نتایج جستجو برای: respiratory factors
تعداد نتایج: 1261645 فیلتر نتایج به سال:
OBJECTIVE To study the association between environmental factors, prevalence of asthma and respiratory morbidity in relation to air quality levels in a mega city. To study modifiable environmental factors in people with diagnosed asthma and increased respiratory morbidity. METHODS Cross sectional survey of population (N-3233) from 6 localities near air quality stations was done to study preva...
Acute respiratory infections cause considerable morbidity among Inuit children, but there is very little information on the risk factors for these infections in this population. To identify such factors, the authors performed a prospective community-based study of acute respiratory infections in an open cohort of 288 children aged 0-2 years in the town of Sisimiut, Greenland. Between July 1996 ...
The acute respiratory distress syndrome (ARDS) is defined by noncardiogenic pulmonary edema and respiratory failure in the seriously ill patient. The diagnosis is clinical, established by the development of new bilateral pulmonary infiltrates and severe hypoxemia without congestive heart failure (1). The risk for ARDS also depends on both host and etiologic factors. The most common causes are s...
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
Background and purpose: Wheezing is a common respiratory problem which is related to hypersensitivity of airways, GERD (Gasteroesophageal Reflux Disease) is one of the underlying factors of respiratory diseases and wheezing in infants (different rates). For the patients with refractory wheezing, detection and treatment of underlying disorders is very important. So, in this study, frequency of...
introduction: today, air pollution is one of the critical problems in metropolitans and necessary preparations are needed for confronting with this crisis. the present study was based on the goal of determining the relation of air pollutant levels with the rate of emergency admission for respiratory and cardiovascular patients. methods: in the present retrospective cross- sectional study, all r...
according to statistical data from who, respiratory tract infections are among the most important health problems all over the world. differentiating viral from other causes of respiratory infections is difficult, but a good knowledge of viral etiologic factors can guide the physicians in the diagnosis and treatment of the disease. we carried out this descriptive, case-series study to evaluate ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید