purpose : identifying the predisposing factors of the infectious keratitis results in understanding the underlying mechanisms of its expansion and severity that is essential for initiation of optimal empirical antimicrobial therapy. this study identified main predisposing factors of bacterial keratitis in a sample of iranian population. methods : ninety patients with bacterial keratitis were pr...

abstarct background: base deficit is a non-respiratory indicator of acid base status that evaluates the severity of shock at the cellular level. base deficit results from cellular metabolism of pyruvate under anaerobic conditions. in this situation, base deficit is a sensitive marker of the magnitude of anaerobic metabolism and tissue oxygen deficit [1]. several studies have shown a strong posi...

BACKGROUND AND PURPOSE We assessed whether the effects of surgical decompression for space-occupying hemispheric infarction, observed at 1 year, are sustained at 3 years. METHODS Patients with space-occupying hemispheric infarction, who were enrolled in the Hemicraniectomy After Middle cerebral artery infarction with Life-threatening Edema Trial within 4 days after stroke onset, were followed...

introduction: bronchiectasis is a common problem in children especially under 5 years. early diagnosis of disease and its causes could be useful in early treatment and preventing probable complications. this study aimed at evaluating the cystic fibrosis (cf) in patients with  bronchiectasis. methods: in a cross-sectional study, 374 children with bronchiectasis were studied. the diagnosis was ma...

background :impact of substance abuse on outcome of hospitalized patients with acute myocardial infarction (mi) is a frequent question. available studies show disagreements over its impact, thus we performed this study to find a clear answer.   methods : in a cross sectional study, 304 patients (include 152 consecutive opium dependents and equal number of independents) with acute mi admitted to...

background: intracerebral  hemorrhage (ich) is the  most fatal subtype  of stroke.  despite  limited effective therapy, there  is no  accepted clinical grading  scale to  predict  in- hospital  mortality,  especially  in developing  nations.  the purpose  of this study was to assess the  predictors  of in- hospital mortality among a sample of iranian patients  with spontaneous ich for use at th...

background: studies on the prognosis of st elevation myocardial infarction (stemi) versus non-st elevation myocardial infarction (non-stemi) have shown different results. the present study was designed to compare the early outcome and left ventricular systolic function of patients with st and non-st elevation myocardial infarction. methods: the patients' information was derived from 10,065 cons...

background the evidence saying that the rate of systemic inflammatory response syndrome (sirs) is high in patients with advanced cirrhosis and portal hypertension, this could have negative outcome on patients prognosis. methods this prospective study included 109 cirrhotic patients who were admitted to imam khomeini hospital, affiliated with orumieh university of medical sciences, during 2011-2...

purpose: to compare long-term results of excimer laser sub-epithelial keratectomy (lasek) and laser in situ keratomileusis (lasik) for low to moderate myopia. methods: in a comparative case series, visual outcomes in 415 lasik-treated eyes (212 patients) and 359 lasek-treated eyes (194 patients) with myopia ranging from -1.5 to -5 diopters (d) and astigmatism up to -2.75 d using a flying spot e...

a casual comparative study was made to determine the effect of pregnant women's working conditions on   pregnancy outcome (fetal death, gestational age and birth weight).   600 women, delivered or treated for spontaneous abortion in eleven hospitals of tehran, were interviewed, 200   were working women (the study group) and 400 housewives (the control group).   for collecting information a...