نتایج جستجو برای: respiratory function test
تعداد نتایج: 2084304 فیلتر نتایج به سال:
background : the present study was undertaken to ascertain whether (or not) long term occupational exposure to low (sub-tlv levels) atmospheric concentrations of chlorine gas was associated with any significant decrements in the parameters of pulmonary function and/or increased prevalence of respiratory symptoms. methods : in this retrospective cohort study that was performed in 2012, 54 worke...
flour dust has been introduced as one of the effective factors in the prevalence of respiratory disorders among the workers of the flour production factories. the purpose of the present study is to examine the effects of this pollutant on the pulmonary functions and survey the prevalence of respiratory symptoms among workers of flour production factories in arak, iran. exposure to flour dust ...
background: this cross sectional study was carried out to determine the relationship between metal dust exposure and respiratory health in male steel workers in terengganu, malaysia. methods: subjects were interviewed using a structured questionnaire from british medical research council (bmrc) questionnaire regarding respiratory symptoms and were examined their lung function using spirometer. ...
abstract Introduction: Spirometry is a common device screening in occupational pulmonary disease. Dental laboratory workers usually are exposed to vapor, toxic gases, dust, metallic alloys, acrylics, and stones. Aim of This study was a Spirometric evaluation of the pulmonary function of Yazd’s dental laboratory workers. Method and materials: in this cross-sectional study 37 Yazd’dental tech...
formaldehyde is a common indoor pollutant with irritant properties. the present case control study was undertaken among 37 exposed staff with formaldehyde and 19 non exposed (referent) ones to study the acute and chronic effects of it in two educational hospitals. all subjects were tested for respiratory function by a portable alpha vitalograph-uk. in addition using a respiratory questionnaire,...
asthma has been linked to family disfunctioning and poor control of the disease. this study was conducted to analyze the interactions between the level of intermittent asthma control, family functioning and respiratory function and between quality of life of asthmatic patients and their caregivers. 7 to 15 years old children with intermittent asthma were included. asthma control test questionna...
Abstract Background: Tile workers are exposed to a lot of dusts and are susceptible to various pulmonary complications. This study was designed to evaluate the respiratory symptoms and lung capacities of tile workers. Methods: This was a retrospective, cross sectional study on 350 workers in different factory workshops. We assessed respiratory complaints and pulmonary function tests. Data wer...
objectives the aim of this study was to investigate the relation between respiratory muscle strength and the severity of chf, and the influence of respiratory muscle strength on abnormal ventilation during exercise in chf patients. conclusions respiratory muscle strength is related to the severity of chf, and associated with rapid and shallow ventilation or excessive ventilation during exercise...
Background: Respiratory distress syndrome is developmental immaturity of lungs, that is caused by lack of surfactant. Lack of surfactant lead to wide atelectasis and arterial hypoxemia which is a life-threatening lung disorder. The aim of this study was to compare the function of cochlear in infant who suffer respiratory distress syndrome with normal infants by transient evoked otoacoustic emis...
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