background: injured phrenic nerve secondary to cardiac surgeries is the most common cause of diaphragmatic paralysis (dp) in infants. the aim of this study was to determine the risk factors for dp caused by congenital heart defect corrective surgeries in pediatrics. methods: this cross-sectional study, conducted in a 2-year period (2006 – 2008), included 451 children with congenital heart disea...

the duration of icu (intensive care unit) stay in cardiac surgery patients has an important role in the rate of complications and costs. the aim of this study was to determine the role of perioperative risk factors in clinical outcome based on the time of icu discharge. in this descriptive study, 219 patients undergoing off-pump coronary artery bypass (opcab) surgery in afshar hospital in yazd,...

prevention of coronary heart disease, mainly by reducing the levels of known risk factors in the population, remains a priority in public health. this cross-sectional study on randomly selected medical students during their internship was conducted from july 2001 to april 2002 in order to determine the prevalence of major coronary artery disease (cad) risk factors. this survey was done by filli...

introduction: in addition to the annual mortality rate, unintentional home injury may result in temporary or permanent disability and requires medical attention and continuous care in millions of children. this study aimed to explore features and risk factors of these injuries. methods: in this cross-sectional study, demographic variables and epidemiologic pattern of home injuries among childre...

Control charts are widely used in industrial processes as well as in health sciences and particularly for monitoring the performance of cardiac surgeon or a group of surgeons based on the preoperative risk of patients. Since the preoperative risk is a vague and nonprecise variable and the anesthesiologists after checking how many risk factors a patient has, determine the risk of mortality befor...