Airway obstruction. Medical search. Frequent questions

Pulmonary effects of exposure to fine fiberglass: irregular opacities and small airways obstruction. (bmj.com)
The disease is characterized by periods of reversible obstruction and inflammation of the small airways caused by bronchospasm and accumulation of mucus and neutrophils in the airways. (slu.se)
Sampling of biological material from the lung is performed by bronchoscopy where tissues and cells from the large and from the small airways are harvested. (ki.se)
In addition, it has been shown that employees exposed to sidestream tobacco smoke in the work environment are at greater risk of developing small airways dysfunction than are nonexposed employees (2). (cdc.gov)
Small airways disease, which is the first pathological change seen in beginning smokers (3), may increase the risk of developing disabling chronic airways obstruction (4). (cdc.gov)

Exercise, if the patient can manage it comfortably, should be encouraged as it promotes the movement of airway mucus and improves the circulation of blood to the lungs. (parksidevets.com)

Stridor Recurrent airway obstruction Aboussouan, L.S. (wikipedia.org)
Recurrent Airway Obstruction, RAO, är en icke infektiös luftvägssjukdom hos häst. (slu.se)
RAO, Recurrent airway obstruction, is a non-infectious airway disease of horses. (slu.se)
Horses and ponies diagnosed with RAO (Recurrent Airway Obstruction), formerly known as COPD, heaves or dust allergy are highly susceptible to the effects of inhaling allergens from their environment. (parksidevets.com)
The medications for a Recurrent Airway Obstruction initially may be required to treat the inflammation in the lungs and to relieve symptoms such as coughing, wheezing and nasal discharge. (parksidevets.com)
Most horses with Recurrent Airway Obstruction are sensitive to inhaled allergens inside the stable. (parksidevets.com)
The best place for horse or pony with Recurrent Airway Obstruction is outside! (parksidevets.com)

Respiratory Emergencies, section Acute Upper Airway Obstruction[permanent dead link]. (wikipedia.org)

Congenital high airway obstruction syndrome (CHAOS) is defined by complete or near-complete obstruction of the fetal airway. (medscape.com)
Congenital high airway obstruction syndrome. (nel.edu)
Congenital high airway obstruction syndrome (CHAOS) is a very rare fetal malformation caused by obstruction of fetal airway because of l. (nel.edu)
Hamid-Sowinska A, Ropacka-Lesiak M, Breborowicz G. Congenital high airway obstruction syndrome. (nel.edu)

There are a number of other risk factors besides smoking for development of chronic airway obstruction. (ki.se)
The study will explore one explanation to chronic airway obstruction not caused by tobacco smoke. (ki.se)
Recently, it has become evident that chronic airway obstruction in never-smokers is more prevalent than previously known. (ki.se)
In this national multicenter study we will identify factors associated with chronic airway obstruction in never-smokers and to determine the molecular mechanisms of this disease in order to find potential targets for intervention. (ki.se)
In this group, we have identified persons with chronic airway obstruction who have never smoked. (ki.se)
A decentralized rehabilitation program for chronic airway obstruction disease patients in small urban and rural areas of Wisconsin: a preliminary report. (cdc.gov)

Lower airway obstruction is mainly caused by increased resistance in the bronchioles (usually from a decreased radius of the bronchioles) that reduces the amount of air inhaled in each breath and the oxygen that reaches the pulmonary arteries. (wikipedia.org)
Diseases that cause lower airway obstruction are termed obstructive lung diseases. (wikipedia.org)
Lower airway obstruction can be measured using spirometry. (wikipedia.org)
Lower airway obstruction can occur in patients of any age, usually as a result of drowning, bronchospasm, aspiration, infection, swelling or bleeding. (advancedmedicalcertification.com)
A lower airway obstruction was found in all women consumer of water pipe. (who.int)

Introduction: Central airway obstruction (CAO) often requires repeated interventional procedures which offer variable efficacy, a time-limited effect, and have inherent limitations. (elsevierpure.com)
METHODS: Th is was a multicenter registry study of patients undergoing therapeutic bronchoscopy for malignant central airway obstruction. (psu.edu)

Scientists have identified diverse pathways associated with normal lung function, as well as with airflow obstruction and emphysema, by data-mining large-scale genetic information from over 50,000 subjects. (uw.edu)
The paper, "Integrated Pathway Genomics of Lung Function and Airflow Obstruction" is featured on the cover of the December issue of the journal. (uw.edu)
Cover image in Human Molecular Genetics for the paper, "Integrative Pathway Genomics of Lung Function and Airflow Obstruction. (uw.edu)
The investigators then applied a similar pathway analysis to a large airflow obstruction genome-wide association study and found many similar gene sets and biological processes. (uw.edu)
Asthma is a common chronic airway disorder characterized by periods of airflow obstruction known as asthma attacks. (cdc.gov)

Airway obstruction is a blockage of respiration in the airway that hinders the free flow of air. (wikipedia.org)
It is different from airway restriction (which prevents air from diffusing into the pulmonary arteries because of some kind of blockage in the lungs). (wikipedia.org)
Upper airway obstruction may occur in infants 3 months, who are usually nose breathers and thus may have upper airway obstruction secondary to nasal blockage. (msdmanuals.com)

Upper-airway obstruction may occur at the level of the larynx (laryngeal atresia, rings, webs, or cysts) or along the trachea (tracheal agenesis, rings, webs, and stenosis or subglottic stenosis). (medscape.com)
The upper airway includes the nasal cavity, pharynx (back of throat) and larynx (upper end of trachea, where the vocal chords are). (nortonchildrens.com)
Bronchoscopy is a procedure that allows your doctor to examine your child's throat, larynx, trachea, and lower airways through a tool called a bronchoscope. (childrenshospital.org)
Seventeen dogs with clinical signs attributable to nonneoplastic obstruction of the larynx, trachea, or large bronchi underwent computed tomography (CT) imaging. (avmi.net)

Accidental aspiration of denture cleanser tablets caused severe mucosal edema in upper airway. (pneumotox.com)
This paper discusses the case of and treatment methods fora patient who was initially suspected to have a foreign body aspiration because of presenting to hospital with acute airway obstruction. (tgcd.org.tr)

The study uses innovative statistical methods - parametric survival models with change points - to study the incidence of new onset obstructive airway disease (OAD) diagnoses and symptoms over the first ten years following WTC exposure, with the goal of determining the length of time that exposure response gradients are observed among exposed FDNY firefighters. (cdc.gov)
For how long is WTC exposure associated with incident obstructive airway disease? (cdc.gov)
What is the magnitude of the exposure-response relationship between WTC exposure and incident obstructive airway disease? (cdc.gov)
Is the relationship between WTC exposure and incident obstructive airway disease limited to a single subtype of obstructive airway disease? (cdc.gov)
The World Trade Center (WTC) disaster presents a unique opportunity to describe the latency period for obstructive airway disease (OAD) diagnoses. (cdc.gov)
Conventional wisdom has been that new incident obstructive airway disease (OAD) that is associated with environmental or occupational exposure would present weeks to months, not years, after exposure. (cdc.gov)

Plasma concentrations of a stable prostaglandin F2 alpha metabolite were measured by radioimmunoassay during and after recovery from acute airway obstruction in 15 infants. (bmj.com)
Infants under the age of three months, as well as patients who have loss of muscle tone and decreased consciousness, may experience upper airway obstruction. (advancedmedicalcertification.com)

An upper airway obstruction is when a part of the upper airway, including the nasal cavity, pharynx and larynx, becomes blocked. (nortonchildrens.com)
The risk of worsening airway injuries (eg, turning a partial tear of the larynx into a total one) through injudicious airway instrumentation must be avoided. (medscape.com)

These data suggest that prostaglandin F2 alpha mediates respiratory inflammation in airway obstruction and that trials of specific anti-inflammatory agents for the treatment of airway obstruction may be warranted. (bmj.com)
The immunological background of the disease is still ambiguous and both innate and acquired immunity have been implicated as contributing to airway inflammation. (slu.se)
The analysis can be used to more accurately measure the expression of TLR-4 mRNA in equine samples and thereby enhance the ability to evaluate contribution of the innate immunity to triggering airway inflammation in horses with RAO. (slu.se)
In a cohort of 40 COPD-patients, 40 smokers with normal lung function and 40 neversmokers (Karolinska COSMIC study) we have made significant attempts, by performing bronchoscopy, to characterize inflammation and structural changes in various levels in the airways as well as in the systemic circulation. (ki.se)

After establishment of a secure airway and postnatal recovery, laryngeal or tracheal reconstruction is generally planned as an elective procedure at a later age. (medscape.com)
Type 1: foreign body situated between the oral cavity and oropharynx, while the epiglottis sits in normal position, Type 2: foreign body situated in the oropharynx just above the epiglottis pushing it posteriorly and obstructing the airway, and Type 3: foreign body obstructing the laryngeal inlet while pushing the epiglottis anteriorly. (elsevierpure.com)
Visual laryngeal examination, endoscopy, video fluoroscopy, and necropsy were used for achieving the cause of the upper airway obstruction. (avmi.net)

An accurate history and physical examination including anterior and posterior rhinoscopy is important in the diagnosis of nasal airway obstruction. (scirp.org)
This case highlights the importance of nasal endoscopy in the diagnosis of nasal airway obstruction. (scirp.org)
Many studies have investigated the usefulness of FEV(1)/forced expired volume in 6 s (FEV(6)) measurements as an alternative for FEV(1)/FVC for diagnosis of airway obstruction. (nih.gov)
We conducted a meta-analysis to determine the FEV(1)/FEV(6) substitute for FEV(1)/FVC in the diagnosis of airway obstruction. (nih.gov)
After a systematic review of all-language studies, sensitivity, specificity, and other measures of accuracy of FEV(1)/FEV(6) in the diagnosis of airway obstruction were pooled using random-effects models. (nih.gov)
FEV(1)/FEV(6) is a sensitive and specific test for the diagnosis of airway obstruction. (nih.gov)
FEV(1)/FEV(6) can be used as a valid alternative for FEV(1)/FVC in the diagnosis of airway obstruction. (nih.gov)
A study was undertaken to determine if diagnosis of airway obstruction was associated with subsequent success in smoking cessation, as advised by a physician. (bmj.com)
Impulse oscillometry has been advocated as a supplemental pulmonary function test to aid in the diagnosis of airway obstruction . (bvsalud.org)
The use of IOS has been primarily used in pediatrics and elderly populations as a validated tool to establish a diagnosis of airway obstruction but is limited in the adult population because of a well-validated set of reference values . (bvsalud.org)

When one is faced with airway emergencies, critical action within a limited time frame is of paramount importance. (medscape.com)
Another pertinent consideration in dealing with airway emergencies is the ability to preoxygenate effectively in a timely fashion. (medscape.com)

Airway remodeling and destruction is a characteristic finding in chronic obstructive pulmonary disease and emphysema. (uw.edu)
The purpose of this study is to evaluate whether biomarkers of lung injury and remodeling are responsive to effective continuous positive airway pressure (CPAP) treatment in adults with idiopathic pulmonary fibrosis (IPF) and moderate-to-severe obstructive sleep apnea (OSA). (nih.gov)
This study aims to evaluate the utility of impulse oscillometry (IOS) in diagnosing airway obstruction in patients undergoing multiple pulmonary function testing (PFT) studies. (bvsalud.org)

Material and methods: We performed a retrospective review of all patients who underwent PCB airway dilation. (elsevierpure.com)
METHODS: Over the years 2000-2006, 153 patients underwent revision operation for nasal obstruction in our rhinoplastic center. (marinosvafiadis.gr)
METHODS: C57Bl/6J (wild type) and TCR-delta-/- mice exposed to Cl2 (400 ppm) for 5 minutes underwent measurements of airway responses to i.v. methacholine (MCh) at 1, 3, and 5 days after exposure. (cdc.gov)

The different causes of nasal airway obstruction are very wide-ranging, spanning from congenital life threatening causes to acquired benign causes. (scirp.org)

In the rare and desperate situation of a CICV patient a surgical airway should be established 1 5 7. (paramedicine.com)
A difficult airway is one for which a preintubation examination identifies attributes that are likely to make laryngoscopy, intubation, bag-mask ventilation (BMV), the use of a supraglottic device, or surgical airway management more difficult than would be the case for a normal airway. (medscape.com)

[ 2 ] have created difficult airway algorithms to help guide clinicians with airway management. (medscape.com)
A key point in managing the unanticipated difficult airway is the importance of maximizing the safe apnea oxygenation time by providing optimal preoxygenation. (medscape.com)

Partial upper airway obstruction or UARS is most prevalent in women, and treatable with Continuous Positive Airway Pressure or CPAP. (perfectsleepsolutions.ca)
This study aims to learn about the effects of continuous positive airway pressure (CPAP) on people with autonomic failure and high blood pressure when lying down (supine hypertension) to determine if it can be used to treat their high blood pressure during the night. (nih.gov)

Although asthma and airway hyperreactivity have been the most common diagnoses , the clinical findings in these patients may be multifactorial. (bvsalud.org)

Treatment will depend on the cause and severity of the upper airway obstruction. (nortonchildrens.com)
The initial evaluation of UAO is focused on determining the severity and suspected site of the obstruction. (mhmedical.com)
CONCLUSION: The severity of airway epithelial injury after Cl2 is greater in TCR-delta-/- mice but the inflammatory response and the change in airway responsiveness to methacholine are reduced. (cdc.gov)

The acute obstruction of the upper airways is a serious complication requiring the professional's immediate attention to reverse the picture. (bvsalud.org)
often have abnormal upper airways that are more easily obstructed. (msdmanuals.com)

1177 (26.2%) subjects had airway obstruction and were told that they had COPD and that smoking cessation would halt rapid progression of their lung disease. (bmj.com)

Functional upper airway obstruction may occur in patients who exhibit abnormal glottic closure during inspiration and/or expiration. (mhmedical.com)

Four proteins associated with only FVC and none with FEV 1 /FVC ratio, suggesting associations mainly through lung volume, not airway obstruction. (lu.se)

The conventional FEV(1)/FVC test is the "gold standard" to quantitate airway obstruction, but elderly subjects or patients with severe respiratory diseases quite frequently cannot make such an effort. (nih.gov)
In the challenging airway patient consideration should be given to attempting intubation with the patient in the 'ramped' position (achieving horizontal alignment between the middle of the ear and the sternal notch), especially in obese patients 10 11. (paramedicine.com)
There is an urgent need to recognize partial obstruction as a treatable form of sleep disordered breathing as these patients are symptomatic. (perfectsleepsolutions.ca)
In these five patients, the CV was clearly the most sensitive parameter of airway obstruction . (onlineasthmainhalers.com)
Early laryngoscopic examination of the upper airway is crucial in the evaluation of burn patients with suspected inhalation injury. (mhmedical.com)

If this is inadequate, begin bag and mask ventilation with 100% oxygen, and again re-evaluate for patency of the airway. (virtualpediatrichospital.org)

BACKGROUND: Acute exposure to chlorine (Cl2) gas causes epithelial injury and airway dysfunction. (cdc.gov)

The most common cause of snoring is nasal passage obstruction caused from nasal septum deviation, allergies, sinus infections, swollen turbinates (nasal concha) and enlarged tonsils. (canberrasleepclinic.com.au)

Children with moderate to severe upper airway obstruction are at high risk of deterioration and complete obstruction if they are upset, sedated or repositioned. (rch.org.au)
It has been restricted to situations of extreme obstruction above the vocal cords, such as anaphylactic reactions or severe facial trauma. (bvsalud.org)
All the limitations of CV determination (nitrogen bolus technique) are not yet known, but it certainly appears CV is a technique best suited for detection of minimal and early airway obstruction rather than severe or established airway obstruction. (onlineasthmainhalers.com)

This study is a retrospective analysis of 14 cases with food bolus upper airway obstruction as the defined cause of death where both postmortem computed tomography and autopsy were performed. (elsevierpure.com)
Iino, M & O'Donnell, C 2010, ' Postmortem computed tomography findings of upper airway obstruction by food ', Journal of Forensic Sciences , vol. 55, no. 5, pp. 1251-1258. (elsevierpure.com)

The mnemonic DOPE can be used to remember common causes for being unable to ventilate subsequent to intubation: Displacement (of the ETT), Obstruction (both in the ETI and in the lower airway, such as asthma), Pneumothorax, and Equipment failure (consider failure from the source of oxygen, to the tip of the ETT and then back again) 9. (paramedicine.com)

4494 current smokers (57.4% men) with a history of at least 10 pack-years of smoking were recruited from 100 000 subjects screened by spirometric testing for signs of airway obstruction. (bmj.com)
The study will, in particular, gain knowledge on predisposing factors for developing of airway obstruction in smokers. (ki.se)

A clinical study done in the US and Europe has shown that VIVAER® significantly improves nasal obstruction symptoms, previously seen only in invasive surgical treatment. (dallasent.com)

A decreased FEV1/FVC ratio (versus the normal of about 80%) is indicative of airway obstruction, as the normal amount of air can no longer be exhaled in the first second of expiration. (wikipedia.org)

The validated smoking cessation rate in those with airway obstruction was 16.3% compared with 12.0% in those with normal spirometric parameters (p = 0.0003). (bmj.com)
Simple smoking cessation advice combined with spirometric testing resulted in good 1 year cessation rates, especially in subjects with airway obstruction. (bmj.com)
Since the spirometric testing used in NHANES III did not include reversibility testing, it was not possible to distinguish reversible from irreversible obstruction. (ersjournals.com)
A comparison among R5 (resistance at 5 Hz), R20 (resistance at 20 Hz), and X5 (reactance at 5 Hz) was performed in those individuals with and without spirometric obstruction. (bvsalud.org)

Eight PCB dilations were performed for CAO related to distal airway stent stenosis. (elsevierpure.com)
CONCLUSIONS: Technical success rates were high overall, with the highest success rates associated with stent placement and endobronchial obstruction. (psu.edu)

The role of gamma delta T cells in airway epithelial injury and bronchial responsiveness after chlorine gas exposure in mice. (cdc.gov)
A proximal bronchial obstruction was found at 11 women who were consumer of the "neffa" and cigarettes. (who.int)

Spirometry in this dataset did not include reversibility testing, making it impossible to distinguish reversible from irreversible obstruction. (ersjournals.com)
Correlation of Impulse Oscillometry with Spirometry in Deployed Military Personnel with Airway Obstruction. (bvsalud.org)
Only 32 (8.9%) had evidence of obstruction by both spirometry and IOS, whereas 210 (57.3%) had neither. (bvsalud.org)

If a child acutely obstructs his airway and respiratory arrest occurs, attempt to position the child to open the airway using the chin-lift or jaw thrust maneuvers. (virtualpediatrichospital.org)

The duration of an exposure response gradient between incident obstructive airways disease and work at the World Trade Center site: 2001-2011. (cdc.gov)
6 demonstrated that the measured prevalence of disease depends upon the criterion used to define obstruction. (ersjournals.com)

The goal of this study is to identify the perceptions, beliefs, and family-relevant outcomes regarding the treatment of obstructive sleep apnea syndrome (OSAS) with positive airway pressure (PAP) in children with Down's Syndrome (DS). (nih.gov)

There is a correlation between clinical manifestation of RAO and exposure of airways to endotoxins. (slu.se)
Mild sedation (e.g. benzodiazepines) may be used to permit basic airway management as the clinical situation permits 2. (paramedicine.com)
Partial upper airway obstruction is underrepresented because there is no consensus of its etection, qualification, or clinical impact. (perfectsleepsolutions.ca)
In clinical practice a Level 1 study is helpful to detect partial upper airway obstruction. (perfectsleepsolutions.ca)

Nearly 70% attended a follow up visit (n = 3077): 61% were men, mean (SD) age was 52 (10) years, mean (SD) tobacco exposure 30 (17) pack-years, and 33.3% had airway obstruction during the baseline examination. (bmj.com)
Using several widely used definitions of airway obstruction, the impact of these definitions on overall prevalence estimates for the USA was compared using the Third National Health and Nutrition Examination Survey (NHANES III). (ersjournals.com)

That's The First Symptom of Nasal Airway Obstruction. (dallasent.com)

Mean (SEM) metabolite concentrations (ng/l) in plasma obtained both before (1033 (418)) and after (1470 (413)) initial treatment for airway obstruction were significantly higher than those obtained from the same subjects after resolution of the obstruction--25.5 (6.6)--and those obtained from two comparison groups. (bmj.com)
Initial treatment of airway obstruction may include: basic airway manoeuvres, positioning, suctioning, oro- or naso-pharyngeal airways, and/or LMA. (paramedicine.com)
VIVAER® gives you a treatment for nasal airway obstruction that offers significant benefits without disadvantages. (dallasent.com)
This study is investigating if the Self-Supporting Nasopharyngeal Airway (ssNPA) device can be used in the treatment of obstructive sleep apnea in children with Hypotonic Upper Airway Obstruction (HUAO). (nih.gov)
CPAP (a widely used treatment for sleep apnea) involves using a machine that blows air into a tube connected to a mask covering the nose, or nose and mouth, to apply a low air pressure in the airways. (nih.gov)

Anatomy27

Organisms1

Diseases83

Chemicals and Drugs20

Analytical, Diagnostic and Therapeutic Techniques and Equipment63

Psychiatry and Psychology1

Phenomena and Processes27

Disciplines and Occupations1

Technology, Industry, Agriculture2

Named Groups1

Health Care7

Small airways5

Mucus1

Recurrent Airway Obst7

Acute Upper Airway Obst1

High Airway Obstruction4

Chronic airway obst6

Lower airway obstruction5

Central airway obstruction2

Airflow obstruction5

Blockage3

Trachea4

Aspiration2

Obstructive airway disease6

Infants2

Larynx2

Inflammation4

Laryngeal3

Diagnosis10

Emergencies2

Pulmonary3

Underwent3

Congenital1

Surgical airway2

Difficult airway2

Continuous Positive2

Diagnoses1

Severity3

Upper airways2

COPD1

Occur in patients1

Lung1

Patients5

Patency1

Dysfunction1

Nasal passage1

Severe3

Computed tomography2

Asthma1

Smokers2

Symptoms1

Indicative1

Spirometric4

Stent2

Bronchial2

Spirometry3

Respiratory arrest1

Disease2

Syndrome1

Clinical4

Examination2

Symptom1

Treatment5