background: low birth weight (lbw) is one of the major determinants of neonatal survival as well as postnatal morbidity. objective: the main objective of the present study was to determine neonatal mortality rate (nmr) in lbw infants in yazd, iran. materials and methods: in a prospective-cohort study, all births in the maternity hospitals of yazd, iran in 2004 were evaluated and mortality rate ...

background and aims: according to different reports about the demographic characteristics of patients with acute myocardial infarction in iran, this study performed to determine the average age of morbidity and mortality from ami and its changes over time. methods: a hospital-based retrospective cohort study (historical) including all patients with acute myocardial infarction admitted to hospit...

conclusions close attention to these predictors may aid officials in planning effective training programs and prevention measures. these predictors can also be used in the legislation of traffic laws and regulations and managerial plans of hospitals. patients and methods this longitudinal study reviewed 15,331 injuries in 21 hospitals in the city of tabriz from march 2012 to march 2013. the req...

as fetal compensation against hypoxemia progresses, the afterload on the heart and peripheral vascular resistance increases. eventually, the right heart fails, which is transmitted to the fetal venous system, causing decreased flow during late diastole or atrial contraction and increased resistance in the ductus venosus and inferior vena cava. the ductus has forward flow during atrial contracti...

the purpose of this study was to evaluate the early and late outcome after total correction of tetralogy of fallot (tof) in 101 consecutive patients with a mean age of 8.23 ± 4.90 years underwent repair of surgery at one institution between 1995 and 2006. forty two patients had initial palliative operations. a transannular patch was inserted in 60 (58.5%) patients. risk factors for operative mo...

background: acute myocardial infarction (ami) is one of the most common causes of morbidity and mortality. considering immense socioeconomic damages of growing ami in developing countries we estimated prognostic value of major risk factors of ami to predict probable in-hospital ami mortality. methods: in a cohort survey from june 2004 to march 2006, 1798 patients hospitalized with proven ami en...

conclusions while high serum pth, calcium, and phosphorus levels could determine the mortality risk in hemodialysis patients, decreased serum phosphorus and pth levels were in association with malnutrition and comorbidities and were not independent risk factors for mortality. background abnormal mineral metabolism is common among hemodialysis patients and has been associated with higher morbidi...

background: elderly patients (>75 years) have constituted the fastest growing portion of the coronary artery bypass grafting (cabg) patient population over the last two decades. of the goals that surgical care for the elderly pursues, cure may be an unfeasible one; nevertheless, palliation and comfort warrant sufficient importance. the present study sought to examine the postoperative course an...

background: economic burden due to premature mortalities is significant both on health system and on the society as a whole. this study aimed to determine the productivity costs and years of potential life lost associated with five leading causes of death in iran from 2006 to 2010.   methods: data on mortality by sex and age-groups due to five main leading causes of death   (myocardial infarcti...

background avoidable mortality as an indicator for assessing the health system performance has caught the attention of researchers for a long time. in this study we aimed to compare the health system performance using this indicator in rural and urban areas of one of iran’s southern provinces.   methods all deaths (29916) which happened during 2004–2011 in bushehr province were assessed. nolte ...