garbage collectors are occupationally exposed to a variety of airborne contaminants. the main objective of this study was to evaluate the respiratory health of garbage collectors. this study was carried out in fars province, south of iran. a group of 105 garbage collectors and 93 referent subjects were investigated. a standard questionnaire was administered to both groups. furthermore, subjects...

background since tuberculosis (tb) is a major public health problem that is a leading cause of mortality and morbidity among infectious diseases worldwide, early diagnosis and treatment are important to control an effective tuberculosis (tb) and also the increasing number of patients with atypical manifestations of active tb. it suggests more evaluation for active tb in fibrotic lesion in ct sc...

pulmonary hypertension (ph) is an important cause of heart failure in chronic obstructive pulmonary disease (copd). the pro brain natriuretic peptide n-terminal (nt-probnp) has been suggested as a noninvasive marker to evaluate ventricular function. however, there is no evidence to support the use of nt-probnp in monitoring the benefits of vasodilators in copd induced ph. thus, we used nt-probn...

background: one-third of the world’s population is currently infected by tubercle bacillus. this study was performed to evaluate epidemiological and clinical aspects of confirmed cases of tuberculosis infections in a seven-year time period, between years of 2002 to 2008, in the city of hamadan, west of iran. materials and methods: in this descriptive retrospective study, medical records of 375 ...

background: several studies have showed an increased prevalence of airflow obstruction in first degree relatives of individuals with chronic obstructive pulmonary disease (copd). considering no specific research had evaluated airway resistance in offspring of patients with severe copd, we utilized a spirometry and a impulse oscillometry (io) to evaluate this population. materials and methods: i...

objective(s): gastroesophageal reflux disease (gerd) is one of the most common digestive disorders that frequently lead to pulmonary complications due to gastric fluid aspiration. in the present experimental study, chronic aspiration of gastric fluid, its components and bile salts in rat lung was performed to find out the main factor(s) causing pulmonary complications of gastric fluid aspiratio...

conclusions pressure support ventilation, but not spontaneous breathing, induces a significant redistribution of ventilation towards the ventral region. the sensitivity of the support trigger appears to influence the distribution of ventilation only during the early phase of inspiration. background in supine position, pressure support ventilation causes a redistribution of ventilation towards t...

a2-year-old cachectic cross-breed gelding was admitted toveterinary teaching hospital of university of tehran followingthe onset of a marked respiratory distress, coughing and ventraledema. clinical examinations indicated harsh respiratory andexpiratory sounds as well as jugular vein distention. therespiratory and heart rates were 35/min and 60 bpm, respectively.agrade iii/iv pansystolic murmur...

conclusions we observed acceptable results regarding both efficacy and safety with 62.5 mg of bosentan, twice daily in this group of patients. further clinical trials investigating pah with lower dosages of bosentan may be warranted. results no adverse drug reaction was observed during the follow-up. clinical worsening occurred in six (14%) patients, at least one year after treatment, two of th...

background:  pericardial effusion (pe) in down syndrome (ds) patients  usually occur s   secondary to hypothyroidism,  but  we have   no  report of massive pericardial effusion in   euthyroid   down syndrome patient with  supravalvar  pulmonary stenosis . case presentation:  we  report ed   an   11-month-old  male with down syndrome   with  massive  pericardial  effusion that  had conservative ...