Retrograde flow of duodenal contents (BILE ACIDS; PANCREATIC JUICE) into the STOMACH.
A nontoxic radiopharmaceutical that is used in RADIONUCLIDE IMAGING for the clinical evaluation of hepatobiliary disorders in humans.
Retrograde bile flow. Reflux of bile can be from the duodenum to the stomach (DUODENOGASTRIC REFLUX); to the esophagus (GASTROESOPHAGEAL REFLUX); or to the PANCREAS.
Imino acids are organic compounds containing a nitrogen atom in their structure, classified as derivatives of amino acids, where the carbon atom adjacent to the carboxyl group is bonded to a nitrogen atom instead of a hydrogen atom, forming a characteristic imino functional group.
Proposed spasmolytic with possible local anesthetic action used in gastrointestinal disorders.
The region of the STOMACH at the junction with the DUODENUM. It is marked by the thickening of circular muscle layers forming the pyloric sphincter to control the opening and closure of the lumen.
A radiopharmaceutical used extensively in cholescintigraphy for the evaluation of hepatobiliary diseases. (From Int Jrnl Rad Appl Inst 1992;43(9):1061-4)
Retrograde flow of gastric juice (GASTRIC ACID) and/or duodenal contents (BILE ACIDS; PANCREATIC JUICE) into the distal ESOPHAGUS, commonly due to incompetence of the LOWER ESOPHAGEAL SPHINCTER.
The liquid secretion of the stomach mucosa consisting of hydrochloric acid (GASTRIC ACID); PEPSINOGENS; INTRINSIC FACTOR; GASTRIN; MUCUS; and the bicarbonate ion (BICARBONATES). (From Best & Taylor's Physiological Basis of Medical Practice, 12th ed, p651)
A nontoxic radiopharmaceutical that is used in the clinical evaluation of hepatobiliary disorders in humans.
Pathological conditions in the DUODENUM region of the small intestine (INTESTINE, SMALL).
The evacuation of food from the stomach into the duodenum.
An organ of digestion situated in the left upper quadrant of the abdomen between the termination of the ESOPHAGUS and the beginning of the DUODENUM.
A substituted benzamide used for its prokinetic properties. It is used in the management of gastroesophageal reflux disease, functional dyspepsia, and other disorders associated with impaired gastrointestinal motility. (Martindale The Extra Pharmacopoeia, 31st ed)
Bilateral dissection of the abdominal branches of the vagus nerve. It is used frequently in the surgical management of duodenal and gastric ulcers, as well as in physiologic studies of gastrointestinal secretion and motility.
The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers.
Endoscopic examination, therapy or surgery of the gastrointestinal tract.
Pathological processes involving the STOMACH.
The region between the sharp indentation at the lower third of the STOMACH (incisura angularis) and the junction of the PYLORUS with the DUODENUM. Pyloric antral glands contain mucus-secreting cells and gastrin-secreting endocrine cells (G CELLS).
Drugs used for their effects on the gastrointestinal system, as to control gastric acidity, regulate gastrointestinal motility and water flow, and improve digestion.
Hydrochloric acid present in GASTRIC JUICE.
Organic compounds that contain technetium as an integral part of the molecule. These compounds are often used as radionuclide imaging agents.
Retrograde flow of urine from the URINARY BLADDER into the URETER. This is often due to incompetence of the vesicoureteral valve leading to ascending bacterial infection into the KIDNEY.
Ulceration of the GASTRIC MUCOSA due to contact with GASTRIC JUICE. It is often associated with HELICOBACTER PYLORI infection or consumption of nonsteroidal anti-inflammatory drugs (NSAIDS).
The motor activity of the GASTROINTESTINAL TRACT.
Surgical removal of the GALLBLADDER.
Steroid acids and salts. The primary bile acids are derived from cholesterol in the liver and usually conjugated with glycine or taurine. The secondary bile acids are further modified by bacteria in the intestine. They play an important role in the digestion and absorption of fat. They have also been used pharmacologically, especially in the treatment of gallstones.
The middle portion of the SMALL INTESTINE, between DUODENUM and ILEUM. It represents about 2/5 of the remaining portion of the small intestine below duodenum.
Lining of the STOMACH, consisting of an inner EPITHELIUM, a middle LAMINA PROPRIA, and an outer MUSCULARIS MUCOSAE. The surface cells produce MUCUS that protects the stomach from attack by digestive acid and enzymes. When the epithelium invaginates into the LAMINA PROPRIA at various region of the stomach (CARDIA; GASTRIC FUNDUS; and PYLORUS), different tubular gastric glands are formed. These glands consist of cells that secrete mucus, enzymes, HYDROCHLORIC ACID, or hormones.
The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, atomic number 43, and atomic weight 98.91. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years.
Abstaining from all food.
INFLAMMATION of the ESOPHAGUS that is caused by the reflux of GASTRIC JUICE with contents of the STOMACH and DUODENUM.
The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH = log 1/2[1/(H+)], where (H+) is the hydrogen ion concentration in gram equivalents per liter of solution. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)

Duodenogastric reflux: clinical and therapeutic aspects. (1/85)

BACKGROUND: Duodenogastric reflux is believed to cause damage to gastric mucosa. Most reports on this disorder concern adult patients. PATIENTS AND METHODS: 1120 children with abdominal pain were studied; endoscopic features of duodenogastric reflux were found in 92 patients. To confirm the diagnosis of duodenogastric reflux, cholescintigraphy (Tc99-HEPIDA) was performed. Children with confirmed duodenogastric reflux by scintigraphy were given a prokinetic drug (cisapride). RESULTS: Endoscopic features of duodenogastric reflux were found in 92 children; the diagnosis was confirmed by scintigraphy in 59 patients. There was no significant difference in the severity of inflammation in gastric mucosa compared with the control group, whereas significantly fewer of these patients were infected with Helicobacter pylori. There was no correlation between regions of isotope accumulation and inflammatory lesions in the stomach. The prokinetic drug (cisapride) helped eliminate or greatly reduce duodenogastric reflux in children. CONCLUSIONS: When endoscopic features of duodenogastric reflux are found the final diagnosis should be based on an examination that does not itself influence the motility of the gastrointestinal tract: cholescintigraphy seems to be a useful method. However, because the use of milk as a test meal affects the scintigraphic image, there was no correlation between the area of isotope accumulation and the localisation of inflammatory lesions in the stomach. Duodenogastric reflux seems to be less important as a cause of inflammatory lesions than other factors (such as genetic predisposition, stress, etc). Prokinetic drugs have a beneficial influence on treatment results in children with inflammatory lesions of gastric mucosa with duodenogastric reflux.  (+info)

Enterogastric reflux mimicking gallbladder disease: detection, quantitation and potential significance. (2/85)

OBJECTIVE: Visualization of enterogastric reflux (EGR) may be present during hepatobiliary imaging. Reflux of bile may damage the gastric mucosa, altering its function, and cause such symptoms as epigastric pain, heartburn, nausea, intermittent vomiting and abdominal fullness. These symptoms also are associated with gallbladder disease. The aim of this study was to quantitate the EGR index (EGRI) and to determine if a difference exists in normal and abnormal responses using standard cholecystokinin (CCK)-augmented hepatobiliary imaging. METHODS: This study used 129 patients. LAO dynamic data on a 128 x 128 matrix at a rate of 1 frame/min were obtained. After the gallbladder ejection fraction (GBEF) was determined, the EGRI (%) was calculated by relating the counts in the gastric ROI to the counts in the hepatobiliary ROI at a specified time. The results were compared with the patient's final clinical diagnosis. RESULTS: Normal responders (GBEF > or = 35%) had a higher EGRI than abnormal responders with a P = 0.001 EGR observed in 75 patients (58.1%). Significant reflux (EGRI > or = 14.2% at 15 min) was observed in 29 additional patients (22.5%). Patients with EGRI > or = 24.5% showed a strong association with the pathophysiologic syndrome of gastritis, alkaline reflux, gastric ulcer and gastro esophageal reflux disease. There was no EGR observed in the remaining 25 patients (19.4%). CONCLUSION: This simple addition to the CCK-augmented hepatobiliary imaging may both detect and quantitate abnormal EGR as the cause of the patient's symptoms in the presence of a normal GBEF result, and/or those patients with risk factors for gastritis.  (+info)

Duodenal-content reflux esophagitis induces the development of glandular metaplasia and adenosquamous carcinoma in rats. (3/85)

Recent studies have demonstrated that refluxed duodenal contents cause esophageal carcinoma in rats without exposure to carcinogens. The histopathological spectrum of these carcinomas includes squamous-cell carcinoma, adenocarcinoma and adenosquamous carcinoma. Pure adenocarcinomas are thought to arise in areas of columnar metaplasia adjacent to the anastomosis, similar to Barrett's esophagus in humans. In contrast, the histogenesis of adenosquamous carcinomas is unclear. The purpose here was to investigate the pathogenesis of esophageal adenosquamous carcinomas in a time-course experiment of chronic duodenal-content reflux without carcinogen. Forty-two 8-week-old male Sprague-Dawley rats were divided into seven groups and exposed to duodenal-content esophageal reflux during 10, 15, 20, 25, 30, 35 and 40 weeks, respectively. All animals underwent an esophagojejunostomy with gastric preservation in order to produce chronic esophagitis. The rats received a standard diet without addition of carcinogens. An increasing incidence of glandular metaplasia and carcinoma was observed over the time course, starting at 20 weeks. After 40 weeks of reflux, multiple foci of glandular metaplasia and adenosquamous carcinoma were found in 83 and 50% of the animals, respectively. Most of the carcinomas occurred in the middle and proximal esophagus and had a dual pattern of differentiation, glandular and squamous. These findings confirm that duodenal content reflux alone has a carcinogenic effect. We propose that chronic duodenal reflux induces the development of metaplastic cells with glandular differentiation from the stem cells of squamous epithelium, and that glandular metaplastic foci are the morphological element from which tumors with a dual pattern of differentiation arise.  (+info)

Duodenogastric reflux and foregut carcinogenesis: analysis of duodenal juice in a rodent model of cancer. (4/85)

The incidence of esophageal adenocarcinoma is increasing rapidly. In rats, surgically induced duodenoesophageal reflux is carcinogenic. One proposed mechanism of carcinogenesis is based on the reaction of physiological bile acids with nitrite to produce carcinogenic N:-nitroso amides. To test this hypothesis, duodenal juice was analyzed for endogenously formed N:-nitroso bile acids and its genotoxicity was determined. Esophagojejunostomy was performed on 15 Sprague-Dawley rats to produce duodeno-esophageal reflux. At the time of surgery and 2 and 6 weeks later, duodenal contents were aspirated and analyzed immediately. High performance liquid chromatography coupled to tandem mass spectrometry was used to detect bile acids and their nitroso derivates. Genotoxicity was assessed using a micronucleus test. The characteristic pattern of bile acid derivatives, with taurocholic acid (TCA) and glycocholic acid (GCA) as the predominant conjugates, was detected in all samples. However, even selective reaction monitoring experiments failed to demonstrate the presence of any N:-nitroso-TCA or N:-nitroso-GCA. In addition, other nitroso derivatives could not be detected in any of the samples by neutral loss experiments monitoring the loss of nitric oxide (detection limit 0.1% of the concentration of TCA). All samples were cytotoxic, but neither the preoperative nor the postoperative samples were genotoxic. Duodenal juice was cytotoxic but not genotoxic. Tumorigenesis of esophageal adenocarcinoma in the rodent model could not be linked to a specific carcinogen, especially not to nitroso bile acids. Chronic inflammation is likely to be the mechanism of carcinogenesis by duodenogastric reflux.  (+info)

Expression of cyclin D1 and p53 and its correlation with proliferative activity in the spectrum of esophageal carcinomas induced after duodenal content reflux and 2,6-dimethylnitrosomorpholine administration in rats. (5/85)

Alterations in expression of the p53 and cyclin D1 genes have been implicated in the development of esophageal carcinomas in both humans and animal models. We hypothesize that altered expression of cyclin D1 and p53 may be involved in the sequential development of esophageal carcinomas with glandular differentiation induced by the carcinogen, 2,6-dimethylnitrosomorpholine (DMNM) in rats with duodenal content reflux esophagitis. In the present study Sprague-Dawley rats were given DMNM 15 days after performing an esophago-jejunostomy in order to induce chronic duodenal content reflux esophagitis. Expression and localization of p53, cyclin D1 and Ki-67 were examined by immunohistochemical analyses. Twenty of 24 animals developed different types of esophageal carcinomas, including pure squamous carcinoma, adenosquamous carcinoma and pure adenocarcinoma. Undifferentiated basaloid areas were frequently observed in these tumors. Cyclin D1 overexpression was observed in hyperplastic lesions and increased through dysplasia and in undifferentiated areas of infiltrating carcinoma. Cyclin D1 expression coincided with increased Ki-67 expression and decreased along with cell differentiation. The p53 immunohistochemical pattern was parallel to that of cyclin D1, although the percentage of positive cells was usually smaller in all lesions and increased p53 expression started at the dysplastic stage. These findings suggest that overexpression of cyclin D1 may be an early event in DMNM-induced rat esophageal tumorigenesis, causing increased proliferation of esophageal stem cells. Abnormal p53 expression may then be required to promote the development of neoplastic transformation from dysplastic epithelium through invasive phenotype, being more evident in cancer cells with squamous differentiation.  (+info)

24-hour gastroesophageal double pH monitoring acid and alkaline gastroesophageal and duodenogastric refluxes in pediatric patients. (6/85)

OBJECTIVE: To study the pathophysiologic significance of gastroesophageal and duodenogastric-esophageal refluxes in pediatric patients. METHODS: Gastroesophageal double pH monitoring was performed on 68 children with gastroesophageal reflux (GER) diseases and 39 normal children. The pH shifts in the intra-gastric and esophageal lumina were recorded for a total of 24 hour period (P1) and for the period of gastric empty (P2) in supine and upright body postures. RESULTS: The following reflux types were identified: acid GER in 40 cases (58.8%), alkaline GER (AGER) in 8 cases (11.8%), mixed GER (MGER) in 14 cases (20.6%) and silent GER (SGER, i.e., reflux with normal pH values in P1) in 6 cases (8.8%) as well as duodenogastric reflux (DGR). The results showed a number of transient GER and DGR (19 of 39 children) in the control group, recorded mainly in the upright position at meal times and 2 hours postprandially. All pH variables for acid reflux were higher in the acid GER and MGER groups than those in the control group (P < 0.01). The alkaline episode was significantly noted in cases with AGER and MGER in the supine position during P2. There was no significant difference in terms of incidence of esophagitis between GER groups. The gastroesophageal double pH monitoring produces the higher positive diagnostic rate of 91.2% than single esophageal pH testing (79.4%). CONCLUSIONS: Transitory GER and DGR at meal times and 2 hours later might be a physiologic phenomenon. Acid and alkaline reflux occurring in the supine position during P2 should be considered of pathologic significance. This combined gastroesophageal pH monitoring is used not only to improve the diagnostic rate but also to guide clinicians to choose efficient anti-reflux therapy based on the type of reflux as well as to provide refined information for the further study of the pathophysiology of duodenogastroesophageal reflux.  (+info)

Inhibition of gastrointestinal lipolysis by Orlistat during digestion of test meals in healthy volunteers. (7/85)

The inhibition of digestive lipases by the antiobesity drug Orlistat along with lipolysis levels and fecal fat excretion were measured in healthy humans. Orlistat was found to be a powerful gastric lipase inhibitor, achieving 46.6--91.4% enzyme inhibition and thus greatly reducing gastric lipolysis of solid and liquid meals (11--33% of respective controls). Gastric lipase inhibition by Orlistat was extremely fast (half-inhibition time < 1 min). Duodenal lipolysis was reduced significantly by Orlistat given with the solid meal (32.6--37.6% of controls) but was only slightly reduced by Orlistat given with the liquid meal (74.5--100% of controls). Human pancreatic lipase (HPL) inhibition was found to be high (51.2--82.6%), however, regardless of the meal. These paradoxical results were explained when in vitro lipolysis experiments were performed. The rates of HPL inhibition by Orlistat were found to be similar with both types of meals (half-inhibition time 5--6 min), but the preemulsified triglycerides of the liquid meal were rapidly hydrolyzed by HPL before the enzyme was significantly inhibited by Orlistat. With the solid meal, the rate of hydrolysis of the meal triglycerides by HPL was slower than the rate of HPL inhibition by Orlistat. As predicted from the previous results, the effects of Orlistat on fat excretion levels were found to be much greater with the solid (40.5--57.4% of ingested fat) than with the liquid (4.2--18.8%) test meal.  (+info)

Duodenogastric reflux following cholecystectomy in the dog: role of antroduodenal motor function. (8/85)

BACKGROUND: Duodenogastric reflux has been implicated in the pathogenesis of gastric ulcer and gastritis. Duodenogastric reflux after cholecystectomy is also a possible cause of post-cholecystectomy syndrome. AIM: To investigate the role of antroduodenal motor function in increased duodenogastric reflux following cholecystectomy and the effect of trimebutine maleate (trimebutine) on the duodenogastric reflux in conscious dogs. METHODS: Antropyloric and duodenal motility and bile acids content in the gastric juice were measured for 3 h during the inter-digestive state in dogs with or without cholecystectomy. RESULTS: Bile acids content in the gastric juice of cholecystectomized dogs was significantly higher than that of non-cholecystectomized dogs. The frequency of pyloric relaxation during phase II of the migrating motor complex was significantly increased following cholecystectomy. Intravenous infusion of trimebutine inhibited both the increased duodenogastric reflux and the frequency of pyloric relaxation in the cholecystectomized dog. CONCLUSION: Duodenogastric reflux and frequency of pyloric relaxations were increased in cholecystectomized dogs and trimebutine suppressed both of them. These findings suggest that the increased frequency of pyloric relaxation contributes to the duodenogastric reflux following cholecystectomy.  (+info)

Duodenogastric reflux (DGR) is a medical condition in which the contents of the duodenum, the first part of the small intestine, flow backward into the stomach. This occurs when the pyloric sphincter, a muscle that separates the stomach and duodenum, fails to function properly, allowing the reflux of duodenal juice into the stomach.

Duodenogastric refluxate typically contains bile acids, digestive enzymes, and other stomach-irritating substances. Chronic DGR can lead to gastritis (inflammation of the stomach lining), ulcers, and other gastrointestinal complications. Symptoms may include abdominal pain, bloating, nausea, vomiting, heartburn, and indigestion. Treatment usually involves medications that reduce acid production or neutralize stomach acid, as well as lifestyle modifications to minimize reflux triggers.

Technetium Tc 99m Lidofenin is a radiopharmaceutical used in nuclear medicine imaging procedures, specifically for hepatobiliary scintigraphy. It is a technetium-labeled compound, where the radioisotope technetium-99m (^99m^Tc) is bound to lidofenin, a liver-imaging agent.

The compound is used to assess the function and anatomy of the liver, gallbladder, and biliary system. After intravenous administration, Technetium Tc 99m Lidofenin is taken up by hepatocytes (liver cells) and excreted into the bile ducts and ultimately into the small intestine. The distribution and excretion of this radiopharmaceutical can be monitored using a gamma camera, providing functional information about the liver and biliary system.

It is essential to note that the use of Technetium Tc 99m Lidofenin should be under the guidance and supervision of healthcare professionals trained in nuclear medicine, as its administration and handling require specific expertise and safety measures due to the radioactive nature of the compound.

Bile reflux is a condition in which bile flows backward from the small intestine into the stomach and sometimes into the esophagus, causing symptoms such as heartburn, nausea, vomiting a greenish-yellow fluid (bile), and abdominal pain. Bile is a digestive fluid produced by the liver that helps to break down fats in the small intestine. Normally, a muscle called the sphincter of Oddi prevents bile from flowing backward into the stomach. However, if this muscle becomes weak or damaged, bile reflux can occur.

Bile reflux is different from gastroesophageal reflux disease (GERD), which occurs when stomach acid flows backward into the esophagus. Although both conditions can cause similar symptoms, such as heartburn and regurgitation, they require different treatments. Bile reflux can increase the risk of complications such as inflammation of the stomach lining (gastritis), ulcers, and cancer of the esophagus. If left untreated, bile reflux can lead to serious health problems, so it is important to seek medical attention if you experience symptoms.

Imino acids are organic compounds that contain a nitrogen atom as part of an amide-like structure. They are structurally similar to amino acids, which contain a carboxyl group and an amino group, but instead of the amino group, imino acids have a structural unit known as an imine or Schiff base, which is a carbon-nitrogen double bond with a hydrogen atom attached to the nitrogen atom.

One example of an imino acid is proline, which is a cyclic imino acid that plays important roles in protein structure and function. Proline is unique among the 20 standard amino acids because its side chain is linked to the nitrogen atom of the backbone, forming a ring-like structure. This structural feature gives proline unique properties, such as restricted rotation around the bond between the nitrogen and alpha carbon atoms, which can affect protein folding and stability.

Other imino acids may be formed through chemical reactions or enzymatic processes, and they can play important roles in various biological pathways, including the biosynthesis of amino acids, nucleotides, and other biomolecules. However, imino acids are not typically considered to be part of the standard set of 20 amino acids that make up proteins.

Trimebutine is an antispasmodic drug that is primarily used to treat functional gastrointestinal disorders, such as irritable bowel syndrome (IBS). It works by relaxing the smooth muscles in the intestines, which helps to reduce cramping, pain, and spasms.

Trimebutine is a derivative of the opioid alkaloid thebaine, but it does not have any significant analgesic or addictive properties. It is thought to exert its effects by acting on certain receptors in the intestinal muscles, including 5-HT3 and mu-opioid receptors.

Trimebutine is available in various forms, such as tablets, capsules, and syrup, and it is typically taken orally several times a day. The dosage may vary depending on the individual's age, weight, and medical condition.

It is important to note that trimebutine should only be used under the supervision of a healthcare provider, as it can have side effects and interact with other medications. Some common side effects of trimebutine include dizziness, dry mouth, and constipation.

The pylorus is the lower, narrow part of the stomach that connects to the first part of the small intestine (duodenum). It consists of the pyloric canal, which is a short muscular tube, and the pyloric sphincter, a circular muscle that controls the passage of food from the stomach into the duodenum. The pylorus regulates the entry of chyme (partially digested food) into the small intestine by adjusting the size and frequency of the muscular contractions that push the chyme through the pyloric sphincter. This process helps in further digestion and absorption of nutrients in the small intestine.

Technetium Tc 99m Disofenin is not a medical condition, but rather a radiopharmaceutical used in diagnostic imaging. It is a radioactive tracer used in nuclear medicine scans, specifically for liver and biliary system imaging. The compound consists of the radioisotope Technetium-99m (Tc-99m) bonded to the pharmaceutical Disofenin.

The Tc-99m is a gamma emitter with a half-life of 6 hours, making it ideal for diagnostic imaging. When administered to the patient, the compound is taken up by the liver and excreted into the bile ducts and gallbladder, allowing medical professionals to visualize these structures using a gamma camera. This can help detect various conditions such as tumors, gallstones, or obstructions in the biliary system.

It's important to note that Technetium Tc 99m Disofenin is used diagnostically and not for therapeutic purposes. The radiation exposure from this compound is generally low and considered safe for diagnostic use. However, as with any medical procedure involving radiation, the benefits and risks should be carefully weighed and discussed with a healthcare professional.

Gastroesophageal reflux (GER) is the retrograde movement of stomach contents into the esophagus, which can cause discomfort and symptoms. It occurs when the lower esophageal sphincter (a ring of muscle between the esophagus and stomach) relaxes inappropriately, allowing the acidic or non-acidic gastric contents to flow back into the esophagus.

Gastroesophageal reflux becomes gastroesophageal reflux disease (GERD) when it is more severe, persistent, and/or results in complications such as esophagitis, strictures, or Barrett's esophagus. Common symptoms of GERD include heartburn, regurgitation, chest pain, difficulty swallowing, and chronic cough or hoarseness.

Gastric juice is a digestive fluid that is produced in the stomach. It is composed of several enzymes, including pepsin, which helps to break down proteins, and gastric amylase, which begins the digestion of carbohydrates. Gastric juice also contains hydrochloric acid, which creates a low pH environment in the stomach that is necessary for the activation of pepsin and the digestion of food. Additionally, gastric juice contains mucus, which helps to protect the lining of the stomach from the damaging effects of the hydrochloric acid. The production of gastric juice is controlled by hormones and the autonomic nervous system.

Technetium Tc 99m Diethyl-iminodiacetic Acid (Tc 99m DTPA) is a radiopharmaceutical agent used in medical imaging. It is a technetium-labeled compound, where the radioisotope technetium-99m is bound to diethyl-iminodiacetic acid (DTPA). This complex is used as a renal agent for performing nuclear medicine imaging studies to assess kidney function and structure.

Technetium-99m is a metastable isotope of technetium that emits gamma rays, making it suitable for medical imaging. When Tc 99m DTPA is injected into the patient's body, it is excreted primarily by the kidneys through glomerular filtration and tubular secretion. The gamma rays emitted by technetium-99m are detected by a gamma camera, which generates images of the distribution and excretion of the radiopharmaceutical within the kidneys. This information helps physicians evaluate kidney function, detect abnormalities such as obstructions or tumors, and monitor the effectiveness of treatments.

It is essential to handle and administer Tc 99m DTPA with care due to its radioactive nature, following proper safety guidelines and regulations to ensure patient and staff safety.

Duodenal diseases refer to a range of medical conditions that affect the duodenum, which is the first part of the small intestine. Here are some examples of duodenal diseases:

1. Duodenitis: This is inflammation of the duodenum, which can cause symptoms such as abdominal pain, nausea, vomiting, and bloating. Duodenitis can be caused by bacterial or viral infections, excessive use of nonsteroidal anti-inflammatory drugs (NSAIDs), or chronic inflammation due to conditions like Crohn's disease.
2. Peptic ulcers: These are sores that develop in the lining of the duodenum, usually as a result of infection with Helicobacter pylori bacteria or long-term use of NSAIDs. Symptoms can include abdominal pain, bloating, and heartburn.
3. Duodenal cancer: This is a rare type of cancer that affects the duodenum. Symptoms can include abdominal pain, weight loss, and blood in the stool.
4. Celiac disease: This is an autoimmune disorder that causes the immune system to attack the lining of the small intestine in response to gluten, a protein found in wheat, barley, and rye. This can lead to inflammation and damage to the duodenum.
5. Duodenal diverticulosis: This is a condition in which small pouches form in the lining of the duodenum. While many people with duodenal diverticulosis do not experience symptoms, some may develop complications such as inflammation or infection.
6. Duodenal atresia: This is a congenital condition in which the duodenum does not form properly, leading to blockage of the intestine. This can cause symptoms such as vomiting and difficulty feeding in newborns.

Gastric emptying is the process by which the stomach empties its contents into the small intestine. In medical terms, it refers to the rate and amount of food that leaves the stomach and enters the duodenum, which is the first part of the small intestine. This process is regulated by several factors, including the volume and composition of the meal, hormonal signals, and neural mechanisms. Abnormalities in gastric emptying can lead to various gastrointestinal symptoms and disorders, such as gastroparesis, where the stomach's ability to empty food is delayed.

In anatomical terms, the stomach is a muscular, J-shaped organ located in the upper left portion of the abdomen. It is part of the gastrointestinal tract and plays a crucial role in digestion. The stomach's primary functions include storing food, mixing it with digestive enzymes and hydrochloric acid to break down proteins, and slowly emptying the partially digested food into the small intestine for further absorption of nutrients.

The stomach is divided into several regions, including the cardia (the area nearest the esophagus), the fundus (the upper portion on the left side), the body (the main central part), and the pylorus (the narrowed region leading to the small intestine). The inner lining of the stomach, called the mucosa, is protected by a layer of mucus that prevents the digestive juices from damaging the stomach tissue itself.

In medical contexts, various conditions can affect the stomach, such as gastritis (inflammation of the stomach lining), peptic ulcers (sores in the stomach or duodenum), gastroesophageal reflux disease (GERD), and stomach cancer. Symptoms related to the stomach may include abdominal pain, bloating, nausea, vomiting, heartburn, and difficulty swallowing.

Cisapride is a medication that was used to treat gastrointestinal motility disorders, such as gastroparesis and constipation. It belongs to a class of drugs called "prokinetic agents" which work by increasing the contractions or movements of the muscles in the digestive tract, thereby helping to move food and waste through the system more efficiently.

Cisapride was first approved for use in the United States in 1993, but its use was later restricted due to concerns about serious side effects, including cardiac arrhythmias (irregular heartbeats) and interactions with other medications. In 2000, the U.S. Food and Drug Administration (FDA) requested that cisapride be withdrawn from the market due to these safety concerns.

While cisapride is no longer available for use in many countries, it may still be used in some cases under strict guidelines and monitoring conditions. It is important to note that the use of cisapride should only be initiated and monitored by a healthcare professional, and patients should inform their doctor about all other medications they are taking to avoid potential interactions.

A truncal vagotomy is a surgical procedure that involves the selective or complete division of the trunks of the vagus nerves. The vagus nerves are pairs of nerves that originate in the brainstem and extend down to the abdomen, providing parasympathetic nerve supply to various organs. In a truncal vagotomy, the vagus nerves are cut above the level of the diaphragm, which results in denervation of the stomach and parts of the digestive tract.

This procedure is typically performed as a treatment for peptic ulcers, as it reduces acid secretion in the stomach by interrupting the nerve supply that stimulates acid production. However, truncal vagotomy can also have side effects such as altered gastric motility and decreased intestinal secretions, which may lead to symptoms like bloating, diarrhea, or dumping syndrome.

It's important to note that there are different types of vagotomy procedures, including selective vagotomy and highly selective vagotomy, which aim to preserve some of the nerve supply to the stomach and minimize side effects. The choice of procedure depends on various factors, such as the location and severity of the ulcer, patient's overall health, and individual preferences.

The duodenum is the first part of the small intestine, immediately following the stomach. It is a C-shaped structure that is about 10-12 inches long and is responsible for continuing the digestion process that begins in the stomach. The duodenum receives partially digested food from the stomach through the pyloric valve and mixes it with digestive enzymes and bile produced by the pancreas and liver, respectively. These enzymes help break down proteins, fats, and carbohydrates into smaller molecules, allowing for efficient absorption in the remaining sections of the small intestine.

Gastrointestinal endoscopy is a medical procedure that allows direct visualization of the inner lining of the digestive tract, which includes the esophagus, stomach, small intestine, large intestine (colon), and sometimes the upper part of the small intestine (duodenum). This procedure is performed using an endoscope, a long, thin, flexible tube with a light and camera at its tip. The endoscope is inserted through the mouth for upper endoscopy or through the rectum for lower endoscopy (colonoscopy), and the images captured by the camera are transmitted to a monitor for the physician to view.

Gastrointestinal endoscopy can help diagnose various conditions, such as inflammation, ulcers, tumors, polyps, or bleeding in the digestive tract. It can also be used for therapeutic purposes, such as removing polyps, taking tissue samples (biopsies), treating bleeding, and performing other interventions to manage certain digestive diseases.

There are different types of gastrointestinal endoscopy procedures, including:

1. Upper Endoscopy (Esophagogastroduodenoscopy or EGD): This procedure examines the esophagus, stomach, and duodenum.
2. Colonoscopy: This procedure examines the colon and rectum.
3. Sigmoidoscopy: A limited examination of the lower part of the colon (sigmoid colon) using a shorter endoscope.
4. Enteroscopy: An examination of the small intestine, which can be performed using various techniques, such as push enteroscopy, single-balloon enteroscopy, or double-balloon enteroscopy.
5. Capsule Endoscopy: A procedure that involves swallowing a small capsule containing a camera, which captures images of the digestive tract as it passes through.

Gastrointestinal endoscopy is generally considered safe when performed by experienced medical professionals. However, like any medical procedure, there are potential risks and complications, such as bleeding, infection, perforation, or adverse reactions to sedatives used during the procedure. Patients should discuss these risks with their healthcare provider before undergoing gastrointestinal endoscopy.

Stomach diseases refer to a range of conditions that affect the stomach, a muscular sac located in the upper part of the abdomen and is responsible for storing and digesting food. These diseases can cause various symptoms such as abdominal pain, nausea, vomiting, heartburn, indigestion, loss of appetite, and bloating. Some common stomach diseases include:

1. Gastritis: Inflammation of the stomach lining that can cause pain, irritation, and ulcers.
2. Gastroesophageal reflux disease (GERD): A condition where stomach acid flows back into the esophagus, causing heartburn and damage to the esophageal lining.
3. Peptic ulcers: Open sores that develop on the lining of the stomach or duodenum, often caused by bacterial infections or long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs).
4. Stomach cancer: Abnormal growth of cancerous cells in the stomach, which can spread to other parts of the body if left untreated.
5. Gastroparesis: A condition where the stomach muscles are weakened or paralyzed, leading to difficulty digesting food and emptying the stomach.
6. Functional dyspepsia: A chronic disorder characterized by symptoms such as pain, bloating, and fullness in the upper abdomen, without any identifiable cause.
7. Eosinophilic esophagitis: A condition where eosinophils, a type of white blood cell, accumulate in the esophagus, causing inflammation and difficulty swallowing.
8. Stomal stenosis: Narrowing of the opening between the stomach and small intestine, often caused by scar tissue or surgical complications.
9. Hiatal hernia: A condition where a portion of the stomach protrudes through the diaphragm into the chest cavity, causing symptoms such as heartburn and difficulty swallowing.

These are just a few examples of stomach diseases, and there are many other conditions that can affect the stomach. Proper diagnosis and treatment are essential for managing these conditions and preventing complications.

The pyloric antrum is the distal part of the stomach, which is the last portion that precedes the pylorus and the beginning of the duodenum. It is a thickened, muscular area responsible for grinding and mixing food with gastric juices during digestion. The pyloric antrum also helps regulate the passage of chyme (partially digested food) into the small intestine through the pyloric sphincter, which controls the opening and closing of the pylorus. This region is crucial in the gastrointestinal tract's motor functions and overall digestive process.

Gastrointestinal agents are a class of pharmaceutical drugs that affect the gastrointestinal (GI) tract, which includes the organs involved in digestion such as the mouth, esophagus, stomach, small intestine, large intestine, and anus. These agents can have various effects on the GI tract, including:

1. Increasing gastric motility (promoting bowel movements) - laxatives, prokinetics
2. Decreasing gastric motility (reducing bowel movements) - antidiarrheal agents
3. Neutralizing gastric acid - antacids
4. Reducing gastric acid secretion - H2-blockers, proton pump inhibitors
5. Protecting the mucosal lining of the GI tract - sucralfate, misoprostol
6. Relieving symptoms associated with GI disorders such as bloating, abdominal pain, and nausea - antispasmodics, antiemetics

Examples of gastrointestinal agents include:

* Laxatives (e.g., psyllium, docusate)
* Prokinetics (e.g., metoclopramide)
* Antacids (e.g., calcium carbonate, aluminum hydroxide)
* H2-blockers (e.g., ranitidine, famotidine)
* Proton pump inhibitors (e.g., omeprazole, lansoprazole)
* Sucralfate
* Misoprostol
* Antispasmodics (e.g., hyoscyamine, dicyclomine)
* Antiemetics (e.g., ondansetron, promethazine)

It is important to note that gastrointestinal agents can have both therapeutic and adverse effects, and their use should be based on a careful evaluation of the patient's condition and medical history.

Gastric acid, also known as stomach acid, is a digestive fluid produced in the stomach. It's primarily composed of hydrochloric acid (HCl), potassium chloride (KCl), and sodium chloride (NaCl). The pH of gastric acid is typically between 1.5 and 3.5, making it a strong acid that helps to break down food by denaturing proteins and activating digestive enzymes.

The production of gastric acid is regulated by the enteric nervous system and several hormones. The primary function of gastric acid is to initiate protein digestion, activate pepsinogen into the active enzyme pepsin, and kill most ingested microorganisms. However, an excess or deficiency in gastric acid secretion can lead to various gastrointestinal disorders such as gastritis, ulcers, and gastroesophageal reflux disease (GERD).

Organotechnetium compounds are chemical substances that contain carbon-technetium bonds, where technetium is an element with the symbol Tc and atomic number 43. These types of compounds are primarily used in medical imaging as radioactive tracers due to the ability of technetium-99m to emit gamma rays. The organotechnetium compounds help in localizing specific organs, tissues, or functions within the body, making them useful for diagnostic purposes in nuclear medicine.

It is important to note that most organotechnetium compounds are synthesized from technetium-99m, which is generated from the decay of molybdenum-99. The use of these compounds requires proper handling and administration by trained medical professionals due to their radioactive nature.

Vesico-Ureteral Reflux (VUR) is a medical condition that affects the urinary system, specifically the junction where the ureters (tubes that carry urine from the kidneys to the bladder) connect with the bladder. In normal physiology, once the bladder fills up with urine and contracts during micturition (urination), the pressure within the bladder should prevent the backflow of urine into the ureters.

However, in VUR, the valve-like mechanism that prevents this backflow does not function properly, allowing urine to flow backward from the bladder into the ureters and potentially even into the kidneys. This reflux can lead to recurrent urinary tract infections (UTIs), kidney damage, and other complications if left untreated. VUR is more commonly diagnosed in children but can also occur in adults.

A stomach ulcer, also known as a gastric ulcer, is a sore that forms in the lining of the stomach. It's caused by a breakdown in the mucous layer that protects the stomach from digestive juices, allowing acid to come into contact with the stomach lining and cause an ulcer. The most common causes are bacterial infection (usually by Helicobacter pylori) and long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs). Stomach ulcers may cause symptoms such as abdominal pain, bloating, heartburn, and nausea. If left untreated, they can lead to more serious complications like internal bleeding, perforation, or obstruction.

Gastrointestinal motility refers to the coordinated muscular contractions and relaxations that propel food, digestive enzymes, and waste products through the gastrointestinal tract. This process involves the movement of food from the mouth through the esophagus into the stomach, where it is mixed with digestive enzymes and acids to break down food particles.

The contents are then emptied into the small intestine, where nutrients are absorbed, and the remaining waste products are moved into the large intestine for further absorption of water and electrolytes and eventual elimination through the rectum and anus.

Gastrointestinal motility is controlled by a complex interplay between the autonomic nervous system, hormones, and local reflexes. Abnormalities in gastrointestinal motility can lead to various symptoms such as bloating, abdominal pain, nausea, vomiting, diarrhea, or constipation.

Cholecystectomy is a medical procedure to remove the gallbladder, a small pear-shaped organ located on the right side of the abdomen, just beneath the liver. The primary function of the gallbladder is to store and concentrate bile, a digestive fluid produced by the liver. During a cholecystectomy, the surgeon removes the gallbladder, usually due to the presence of gallstones or inflammation that can cause pain, infection, or other complications.

There are two primary methods for performing a cholecystectomy:

1. Open Cholecystectomy: In this traditional surgical approach, the surgeon makes an incision in the abdomen to access and remove the gallbladder. This method is typically used when there are complications or unique circumstances that make laparoscopic surgery difficult or risky.
2. Laparoscopic Cholecystectomy: This is a minimally invasive surgical procedure where the surgeon makes several small incisions in the abdomen, through which a thin tube with a camera (laparoscope) and specialized surgical instruments are inserted. The surgeon then guides these tools to remove the gallbladder while viewing the internal structures on a video monitor.

After the gallbladder is removed, bile flows directly from the liver into the small intestine through the common bile duct, and the body continues to function normally without any significant issues.

Bile acids and salts are naturally occurring steroidal compounds that play a crucial role in the digestion and absorption of lipids (fats) in the body. They are produced in the liver from cholesterol and then conjugated with glycine or taurine to form bile acids, which are subsequently converted into bile salts by the addition of a sodium or potassium ion.

Bile acids and salts are stored in the gallbladder and released into the small intestine during digestion, where they help emulsify fats, allowing them to be broken down into smaller molecules that can be absorbed by the body. They also aid in the elimination of waste products from the liver and help regulate cholesterol metabolism.

Abnormalities in bile acid synthesis or transport can lead to various medical conditions, such as cholestatic liver diseases, gallstones, and diarrhea. Therefore, understanding the role of bile acids and salts in the body is essential for diagnosing and treating these disorders.

The jejunum is the middle section of the small intestine, located between the duodenum and the ileum. It is responsible for the majority of nutrient absorption that occurs in the small intestine, particularly carbohydrates, proteins, and some fats. The jejunum is characterized by its smooth muscle structure, which allows it to contract and mix food with digestive enzymes and absorb nutrients through its extensive network of finger-like projections called villi.

The jejunum is also lined with microvilli, which further increase the surface area available for absorption. Additionally, the jejunum contains numerous lymphatic vessels called lacteals, which help to absorb fats and fat-soluble vitamins into the bloodstream. Overall, the jejunum plays a critical role in the digestion and absorption of nutrients from food.

Gastric mucosa refers to the innermost lining of the stomach, which is in contact with the gastric lumen. It is a specialized mucous membrane that consists of epithelial cells, lamina propria, and a thin layer of smooth muscle. The surface epithelium is primarily made up of mucus-secreting cells (goblet cells) and parietal cells, which secrete hydrochloric acid and intrinsic factor, and chief cells, which produce pepsinogen.

The gastric mucosa has several important functions, including protection against self-digestion by the stomach's own digestive enzymes and hydrochloric acid. The mucus layer secreted by the epithelial cells forms a physical barrier that prevents the acidic contents of the stomach from damaging the underlying tissues. Additionally, the bicarbonate ions secreted by the surface epithelial cells help neutralize the acidity in the immediate vicinity of the mucosa.

The gastric mucosa is also responsible for the initial digestion of food through the action of hydrochloric acid and pepsin, an enzyme that breaks down proteins into smaller peptides. The intrinsic factor secreted by parietal cells plays a crucial role in the absorption of vitamin B12 in the small intestine.

The gastric mucosa is constantly exposed to potential damage from various factors, including acid, pepsin, and other digestive enzymes, as well as mechanical stress due to muscle contractions during digestion. To maintain its integrity, the gastric mucosa has a remarkable capacity for self-repair and regeneration. However, chronic exposure to noxious stimuli or certain medical conditions can lead to inflammation, erosions, ulcers, or even cancer of the gastric mucosa.

Technetium is not a medical term itself, but it is a chemical element with the symbol Tc and atomic number 43. However, in the field of nuclear medicine, which is a branch of medicine that uses small amounts of radioactive material to diagnose or treat diseases, Technetium-99m (a radioisotope of technetium) is commonly used for various diagnostic procedures.

Technetium-99m is a metastable nuclear isomer of technetium-99, and it emits gamma rays that can be detected outside the body to create images of internal organs or tissues. It has a short half-life of about 6 hours, which makes it ideal for diagnostic imaging since it decays quickly and reduces the patient's exposure to radiation.

Technetium-99m is used in a variety of medical procedures, such as bone scans, lung scans, heart scans, liver-spleen scans, brain scans, and kidney scans, among others. It can be attached to different pharmaceuticals or molecules that target specific organs or tissues, allowing healthcare professionals to assess their function or identify any abnormalities.

Fasting is defined in medical terms as the abstinence from food or drink for a period of time. This practice is often recommended before certain medical tests or procedures, as it helps to ensure that the results are not affected by recent eating or drinking.

In some cases, fasting may also be used as a therapeutic intervention, such as in the management of seizures or other neurological conditions. Fasting can help to lower blood sugar and insulin levels, which can have a variety of health benefits. However, it is important to note that prolonged fasting can also have negative effects on the body, including malnutrition, dehydration, and electrolyte imbalances.

Fasting is also a spiritual practice in many religions, including Christianity, Islam, Buddhism, and Hinduism. In these contexts, fasting is often seen as a way to purify the mind and body, to focus on spiritual practices, or to express devotion or mourning.

Peptic esophagitis is a medical condition that refers to inflammation and damage of the lining of the esophagus caused by stomach acid backing up into the esophagus. This is also known as gastroesophageal reflux disease (GERD). The term "peptic" indicates that digestive enzymes or stomach acids are involved in the cause of the condition.

Peptic esophagitis can cause symptoms such as heartburn, chest pain, difficulty swallowing, and painful swallowing. If left untreated, it can lead to complications like strictures, ulcers, and Barrett's esophagus, which is a precancerous condition. Treatment typically involves lifestyle changes, medications to reduce acid production, and sometimes surgery.

Hydrogen-ion concentration, also known as pH, is a measure of the acidity or basicity of a solution. It is defined as the negative logarithm (to the base 10) of the hydrogen ion activity in a solution. The standard unit of measurement is the pH unit. A pH of 7 is neutral, less than 7 is acidic, and greater than 7 is basic.

In medical terms, hydrogen-ion concentration is important for maintaining homeostasis within the body. For example, in the stomach, a high hydrogen-ion concentration (low pH) is necessary for the digestion of food. However, in other parts of the body such as blood, a high hydrogen-ion concentration can be harmful and lead to acidosis. Conversely, a low hydrogen-ion concentration (high pH) in the blood can lead to alkalosis. Both acidosis and alkalosis can have serious consequences on various organ systems if not corrected.

... , bile reflux (gastritis), duodenogastroesophageal reflux (DGER) or duodenogastric reflux is a condition that ... Biliary reflux can be confused with acid reflux, also known as gastroesophageal reflux disease (GERD). While bile reflux ... Distinguishing Between Bile Reflux and Acid Reflux can be Difficult Mabrut JY, Collard JM, Baulieux J (2006). "[Duodenogastric ... "Bile reflux - Symptoms and causes". Mayo Clinic. Sifrim D (2013). "Management of bile reflux". Gastroenterol Hepatol (N Y). 9 ( ...
"Experimental and clinical results with proximal end-to-end duodenojejunostomy for pathologic duodenogastric reflux". Annals of ... There is a greater chance of bile reflux than a traditional duodenal switch. While previously considered experimental, in 2020 ...
"The importance of an innervated and intact antrum and pylorus in preventing postoperative duodenogastric reflux and gastritis ...
... duodenogastric reflux MeSH C06.405.748.240.140 - bile reflux MeSH C06.405.748.280 - gastric antral vascular ectasia MeSH ... duodenogastric reflux MeSH C06.405.469.275.800 - peptic ulcer MeSH C06.405.469.275.800.348 - duodenal ulcer MeSH C06.405. ... gastroesophageal reflux MeSH C06.405.117.119.500.742 - plummer-vinson syndrome MeSH C06.405.117.136 - diverticulosis, ...
Reflux may also refer to: Duodenogastric reflux or biliary reflux Acid indigestion, cardialgia or pyrosis, all synonyms for ... Atypical reflux, extraesophageal reflux disease (EERD), supraesophageal reflux or supra-esophageal reflux, all synonyms for ... gastric reflux disease or gastro-oesophageal reflux disease (GORD), all synonyms for gastroesophageal reflux disease (GERD) ... laryngopharyngeal reflux (LPR) Vesicoureteral reflux (VUR) Superficial venous reflux, see Chronic venous insufficiency This ...
... duodenogastric reflux, formula, medications, and/or illness. The clinical decision to discard the gastric residuals (versus re- ... Since preterm infants with gastro-oesophageal reflux disease do not have a fully developed antireflux mechanism, deciding on ... reflux, apnea, and sudden oxygen desaturation episodes have not been reported in the trials considered in a 2021 systematic ... versus bolus intermittent intragastric tube feeding for preterm and low birth weight infants with gastro-oesophageal reflux ...

No data available that match "duodenogastric reflux"


  • Biliary reflux, bile reflux (gastritis), duodenogastroesophageal reflux (DGER) or duodenogastric reflux is a condition that occurs when bile and/or other contents like bicarbonate, and pancreatic enzymes flow upward (refluxes) from the duodenum into the stomach and esophagus. (wikipedia.org)
  • While bile reflux involves fluid from the small intestine flowing into the stomach and esophagus, acid reflux is backflow of stomach acid into the esophagus. (wikipedia.org)
  • Bile reflux has been associated with gastric cancer, chemical gastritis and the development of ulcers. (wikipedia.org)
  • Frequent heartburn Pain in the upper part of the abdomen Vomiting bile and or Regurgitation (digestion) Hypersalivation Bile reflux can be asymptomatic when lying down or after eating, as bile reflux occurs physiologically. (wikipedia.org)
  • Bile reflux is usually associated with: Erosive esophagitis Barrett's esophagus Ursodeoxycholic acid is an adequate treatment of bile reflux gastritis. (wikipedia.org)
  • Obesity is an independent risk factor for development of bile reflux. (wikipedia.org)
  • Bile reflux is very infrequent in healthy individuals. (wikipedia.org)
  • Distinguishing Between Bile Reflux and Acid Reflux can be Difficult Mabrut JY, Collard JM, Baulieux J (2006). (wikipedia.org)
  • Sprague-Dawley (SD) rats were used to create a surgical model of bile reflux injury. (jcancer.org)
  • Biliary reflux can be confused with acid reflux, also known as gastroesophageal reflux disease (GERD). (wikipedia.org)
  • Barrett's esophagus (BE) is an acquired condition in which normal squamous epithelium is replaced with metaplastic columnar epithelium as a consequence of gastroesophageal reflux disease. (jcancer.org)
  • Gastroesophageal reflux disease (GERD) probably plays a major role in the development of BE by inducing repeated mucosal damage. (jcancer.org)
  • Numerous studies have shown significant effects of bile salts and other components of gastroesophageal reflux on cellular physiology, including the activation of protein kinase C and nuclear transcription factors [ 7 ]. (jcancer.org)
  • Duodenogastric and gastroesophageal refluxes can be accurately detected by hepatobiliary and gastroesophageal scintigraphy. (uni-tuebingen.de)
  • Nighttime heartburn in patients with gastroesophageal reflux disease under routine care. (findmedarticle.com)
  • 23. Schwab M, Klotz U, Hofmann U, Schaeffeler E, Leodolter A, Malfertheiner P, Treiber G. Esomeprazole-induced healing of gastroesophageal reflux disease is unrelated to the genotype of CYP2C19: evidence from clinical and pharmacokinetic data. (findmedarticle.com)
  • Early onset of duodenogastric reflux and underlying H. pylori gastritis cause early gastric mucosal injury following cholecystectomy procedure by interacting collectively. (springeropen.com)
  • Reflux Gastritis Score (RGS) (Dixon et al. (springeropen.com)
  • Keighley MR, Asquith P, Edwards JA, Alexander-Williams J. The importance of an innervated and intact antrum and pylorus in preventing postoperative duodenogastric reflux and gastritis. (medscape.com)
  • Maximal gastric secretion and duodenogastric reflux in patients with gastric or duodenal ulcer and in control subjects. (nih.gov)
  • The severity of mucosal damage is increased in patients who reflux both gastric and duodenal juice compared with patients who reflux gastric juice alone [ 6 ]. (jcancer.org)
  • 1986 ) and Biliary Reflux Index (BRI) (Dixon et al. (springeropen.com)
  • citation needed] Biliary reflux may also be treated surgically, if medications are ineffective or if precancerous tissue is present in the esophagus. (wikipedia.org)
  • To evaluate association between duodenogastric reflux and early gastric mucosal changes before and after the cholecystectomy procedure. (springeropen.com)
  • Demographic and clinical characteristics, histological parameters, presence of duodenogastric reflux, and Updated Sydney scores were noted. (springeropen.com)
  • Labenz J, Armstrong D, Zetterstrand S, Eklund S, Leodolter A. Clinical trial: factors associated with freedom from relapse of heartburn in patients with healed reflux oesophagitis--results from the maintenance phase of the EXPO study. (findmedarticle.com)
  • 6. Jaspersen D, Nocon M, Labenz J, Leodolter A, Richter K, Stolte M, Vieth M, Lind T, Willich SN, Malfertheiner P. Clinical course of laryngo-respiratory symptoms in gastro-oesophageal reflux disease during routine care--a 5-year follow-up. (findmedarticle.com)
  • 7. Labenz J, Armstrong D, Zetterstrand S, Eklund S, Leodolter A. Clinical trial: factors associated with resolution of heartburn in patients with reflux oesophagitis--results from the EXPO study. (findmedarticle.com)
  • 11. Labenz J, Leodolter A. [Medication therapeutic strategies for gastro-esophageal reflux disease]. (findmedarticle.com)
  • Is there any relationship between severe reflux and gallbladder problems? (science-bbs.com)
  • Both reflux and gallbladder disease are very common problems. (science-bbs.com)
  • The major harmful components of refluxed gastric material are acid and bile salts. (jcancer.org)
  • When the pyloric sphincter is damaged or fails to work correctly, bile can enter the stomach and then be transported into the esophagus as in gastric reflux. (wikipedia.org)
  • The presence of small amounts of bile in the stomach is relatively common and usually asymptomatic, but excessive refluxed bile causes irritation and inflammation. (wikipedia.org)
  • and prokinetic agents, to move material from the stomach to the small bowel more rapidly and prevent reflux. (wikipedia.org)
  • Health-related quality of life in patients with gastro-oesophageal reflux disease under routine care: 5-year follow-up results of the ProGERD study. (findmedarticle.com)
  • 19. Leodolter A, Nocon M, Kulig M, Willich SN, Malfertheiner P, Labenz J. Gastro esophageal reflux disease is associated with absence from work: results from a prospective cohort study. (findmedarticle.com)
  • Bile reflux is usually associated with: Erosive esophagitis Barrett's esophagus Ursodeoxycholic acid is an adequate treatment of bile reflux gastritis. (wikipedia.org)
  • 15. Duodenogastric reflux and reflux esophagitis. (nih.gov)
  • There were five cases of endoscopically proven reflux gastritis/esophagitis and no Roux stasis syndrome. (kjco.org)
  • This study aimed to investigate the expression and genetic variation of PXR in reflux esophagitis (RE), Barrett's esophagus (BE) and esophageal adenocarcinoma. (biomedcentral.com)
  • Biliary reflux, bile reflux (gastritis), duodenogastroesophageal reflux (DGER) or duodenogastric reflux is a condition that occurs when bile and/or other contents like bicarbonate, and pancreatic enzymes flow upward (refluxes) from the duodenum into the stomach and esophagus. (wikipedia.org)
  • The effect of eliminating duodenogastroesophageal reflux on BE is not known. (elsevierpure.com)
  • 9. Acid and duodenogastroesophageal reflux after esophagectomy with gastric tube reconstruction. (nih.gov)
  • The aim of the study was to establish by complementary methods the role of duodenogastroesophageal reflux diagnosed by spectrophotometry in the persistence of postcholecistectomy symptoms correlated with endoscopic lesions of esophageal mucosa. (lifewithnogallbladder.org)
  • Bile reflux has been associated with gastric cancer, chemical gastritis and the development of ulcers. (wikipedia.org)
  • Applicated methods of examination showed the peculiarities of ulcers, caused by DMR: appearance in young age 156 (78%), resistance to conservative treatment 168 (84%), presence of complications 162 (81%), reflux biliary gastritis 152 (76%), evaco-motorical duodenal disturbances and persistence of free H+ ions in duodenal content - 200 (100%) cases. (cnaa.md)
  • https://journals.lww.com/ajg/Fulltext/2017/02000/ACG_Clinical_Guideline__Treatment_of_Helicobacter.12.aspx http://www.ncbi.nlm.nih.gov/pubmed/28071659?tool=bestpractice.com Erosive gastritis may occur in response to nonsteroidal anti-inflammatory drugs (NSAIDs), alcohol use or misuse, and to bile reflux into the stomach that may follow previous gastric surgery or cholecystectomy. (bmj.com)
  • Bile reflux gastritis. (bmj.com)
  • http://www.ncbi.nlm.nih.gov/pubmed/3810208?tool=bestpractice.com [6] Niemala S. Duodenogastric reflux in patients with upper abdominal complaints or gastric ulcer with particular reference to reflux-associated gastritis. (bmj.com)
  • Characteristics of reflux gastritis. (bmj.com)
  • Roux-en-Y gastrojejunostomy is increasingly used in expectation of less gastritis and alkaline reflux despite its technical difficulty. (kjco.org)
  • less gastritis and alkaline reflux [ 5 , 6 ]. (kjco.org)
  • The trophic effect of pathologic duodenogastric reflux (DGR) was investigated on the esophagus, stomach and pancreas in rats. (uaeu.ac.ae)
  • While bile reflux involves fluid from the small intestine flowing into the stomach and esophagus, acid reflux is backflow of stomach acid into the esophagus. (wikipedia.org)
  • When the pyloric sphincter is damaged or fails to work correctly, bile can enter the stomach and then be transported into the esophagus as in gastric reflux. (wikipedia.org)
  • citation needed] Biliary reflux may also be treated surgically, if medications are ineffective or if precancerous tissue is present in the esophagus. (wikipedia.org)
  • Background: To assess the effect of Roux-en-Y gastric bypass (RYGB) at a tertiary referral Center of Excellence for bariatric surgery on the length and presence of dysplasia in morbidly obese patients with Barrett's esophagus (BE). (elsevierpure.com)
  • Houghton, SG, Romero, Y & Sarr, MG 2008, ' Effect of Roux-en-Y gastric bypass in obese patients with Barrett's esophagus: attempts to eliminate duodenogastric reflux ', Surgery for Obesity and Related Diseases , vol. 4, no. 1, pp. 1-4. (elsevierpure.com)
  • Backwash of stomach contents into the esophagus (gastroesophageal reflux). (kivach.ru)
  • In Barrett esophagus, healthy esophageal epithelium is replaced with metaplastic columnar cells-the result, it is believed, of damage from prolonged exposure of the esophagus to the refluxate of gastroesophageal reflux disease (GERD). (medscape.com)
  • The classic picture of a patient with Barrett esophagus is a middle-aged (55 yr) white man with a chronic history of gastroesophageal reflux-for example, pyrosis, acid regurgitation, and, occasionally, dysphagia. (medscape.com)
  • Barrett esophagus is well recognized as a complication of gastroesophageal reflux disease (GERD). (medscape.com)
  • Biliary reflux can be confused with acid reflux, also known as gastroesophageal reflux disease (GERD). (wikipedia.org)
  • Conclusion: Our results suggest that RYGB might be the procedure of choice in morbidly obese patients with BE requiring surgical treatment for gastroesophageal reflux disease. (elsevierpure.com)
  • These surgical techniques did not remove etiopathogenic factor, keeping the duodeno-gastric reflux, duodenostasis, with non-satisfactory results in majority of cases. (cnaa.md)
  • The study supports a role for duodenal reflux in esophageal disease and provides possible mechanisms for the trophic effect in the pancreas. (uaeu.ac.ae)
  • The body mass index had decreased from 43 ± 4 kg/m 2 to 33 ± 3 kg/m 2 , and all experienced subjective improvement in reflux symptoms postoperatively. (elsevierpure.com)
  • RYGB resulted in complete or partial regression of BE in 4 of 5 patients and improvement in reflux symptoms in all. (elsevierpure.com)
  • 6. Gastric motor activity in gastric pull-up esophagectomized patients with and without reflux symptoms. (nih.gov)
  • Patients are more sensitive to acid exposure but have had symptoms for a shorter duration, with normal LES pressures and only upright reflux on 24-hour esophageal pH testing. (medscape.com)
  • Additionally, Mueller-Lissner (1986) noted that chronic smokers who abstained from smoking for 12 hours had more duodenogastric bile reflux than nonsmokers and confirmed that smoking cigarettes acutely augments the already elevated rate of bile reflux. (nih.gov)
  • 5. Prevention of gastroduodenal content reflux and delayed gastric emptying after esophagectomy: gastric tube reconstruction with duodenal diversion plus Roux-en-Y anastomosis. (nih.gov)
  • Frequent heartburn Pain in the upper part of the abdomen Vomiting bile and or Regurgitation (digestion) Hypersalivation Bile reflux can be asymptomatic when lying down or after eating, as bile reflux occurs physiologically. (wikipedia.org)
  • Cholecistectomy can be included in the category of risk factors for alkaline duodenoesophageal reflux. (lifewithnogallbladder.org)
  • Obese patients have a high prevalence of gastroesophageal reflux and might be at an increased risk of developing BE and esophageal adenocarcinoma. (elsevierpure.com)
  • The uncut Roux-en-Y gastrojejunostomy (uRYGJ) retains the advantages of Roux-en-Y reconstruction but helps prevent Roux stasis syndrome. (kjco.org)
  • For reconstruction after LDG, Billroth I (B-I), Billroth II (B-II), and Roux-en-Y gastrojejunostomy (RYGJ) are commonly used. (kjco.org)
  • B-II reconstruction is rarely done in Japan due to the same issue concerning bile reflux [ 3 , 4 ]. (kjco.org)
  • The study was recorded in a computer and the reflux quantitated. (nih.gov)
  • Bilitec showed an mean values of number of refluxes for the study group of 8.000 ± 8.58098 (SD), much higher than the value identified for the control group - 1.7500 ± 0.83532 (SD). (lifewithnogallbladder.org)
  • The number of long refluxes are much closer between the two groups - study group 2.000 ± 1.73717 (SD), control group 1.4853 ± 0.50350 (SD). (lifewithnogallbladder.org)
  • The rate of secretion in both groups fell by 25% without any statistically significant change in pyloric loss or duodenogastric reflux. (bmj.com)
  • Obesity is an independent risk factor for development of bile reflux. (wikipedia.org)