نتایج جستجو برای: respiratory tract

تعداد نتایج: 310379  

2005
Charles W. Stratton

Community-acquired respiratory tract infections continue to be among the most common and important infections seen by practicing clinicians. These infections not surprisingly have some common aspects in regards to the microbes involved as well as their pathogenesis and typically involve the sinuses, the airways, and the lungs. Acute respiratory tract infections can be caused by a wide variety o...

Journal: :Occupational and environmental medicine 1998
D Fishwick A Curran

OBJECTIVES The aims of this study were to document the prevalence of work related upper and lower respiratory tract symptoms in workers exposed to organic dusts and to identify variables predictive of their occurrence. METHODS A cross sectional survey with an administered questionnaire (a previously validated adaptation of the Medical Research Council (MRC) respiratory questionnaire) was perf...

Journal: :Frontiers in Microbiology 2021

Similar to those in the upper respiratory tract, there are microbes present healthy human lower tract (LRT), including lungs and bronchus. To evaluate relationship between LRT microbiome allergic diseases children, we enrolled 68 children who underwent bronchoscopy from January 2018 December affiliated hospital of Capital Institute Pediatrics. Using total IgE (TIgE) values, were divided into tw...

Journal: یافته 2006
abolfazl Jafari , ali Jourabchi , ehsanollah Ghaznavi , latif Moini , mohammad Rafiei , mohammad reza Palizvan , reza Zareie ,

Background: Moraxella catarrhalis is Gram negative diplococci which is a member of Neisseriacae. It was considered as a harmless commensal of the upper respiratory tract. Since 1990 its pathogenecity was established and known as a common cause of respiratory infection, particularly otitis media, sinusitis and lower respiratory tract. The aim of this research was to determine the prevalence and ...

Mohammad Nouri,

Polyunsaturated fatty acids play a role as precursors of biolo­gically active compounds that can act as mediators or modulators  of various cell functions. Thus three main groups of derivatives­ the prostaglandins, the thromboxanes, and recently discovered  leukotrienes are formed by oxygenation and further transformation of various polyunsaturated fatty acids of which arachidonic acid  plays t...

Journal: :Annals of internal medicine 2001
R Gonzales J G Bartlett R E Besser J M Hickner J R Hoffman M A Sande

The following principles of appropriate antibiotic use for adults with nonspecific upper respiratory tract infections apply to immunocompetent adults without complicating comorbid conditions, such as chronic lung or heart disease. 1. The diagnosis of nonspecific upper respiratory tract infection or acute rhinopharyngitis should be used to denote an acute infection that is typically viral in ori...

2014
Tatjana Peroš-Golubičić Jasna Tekavec-Trkanjec

The upper respiratory system includes the nose, nasal cavity, pharynx, and larynx with subglottic area of trachea. In the normal circumstances, air enters the respiratory system through nostrils where it is filtered, humidified, and warmed inside the nasal cavity. Conditioned air passes through pharynx, larynx, and trachea and then enters in lower respiratory system. Dysfunction of any part of ...

Journal: :Physical education, sports and health culture in modern society 2017

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