background: discrete subaortic stenosis (dss) is a progressive condition. controversy still rumbles on as to whether the subaortic membrane causes aortic regurgitation (ar) and whether membrane resection reduces ar severity. we investigated the association between the left ventricular outflow tract peak gradient (lvot-pg) and ar severity preoperatively and changes in ar severity and obstruction...

conclusions compared to supine position, semi-fowler’s position is more effective in relieving chemotherapy-induced nausea and vomiting. results the severity, duration, and frequency of nausea and the severity and frequency of vomiting episodes in the control group differed significantly across the nine measurement time-points (p < 0.001). in the experimental group, the severity (p = 0.254) and...

vehicle occupants comprise a considerable proportion of traffic crash victims in iran. this paper has focused on vehicleoccupants’ injury severity and employed the classification and regression tree (cart) technique in order toidentify the most important variables affecting the injury severity of these road users in crashes occurred on rural freewaysand multilane highways in iran over a three y...

purpose: to assess the relationship between the severity of coronary arteries involvement and the extent and pattern of myocardial scars in cardiac magnetic resonance of patients with history of remote myocardial infarction. materials and methods: the cardiac magnetic resonance images of sixty patients with history of remote st segment or non-st segment elevation myocardial infarction were revi...

objective: to determine the predictive and diagnostic value of thorax trauma severity score (ttss) in a population of thoracic trauma patients admitted to a secondary level trauma center. methods : a retrospective analysis of patients admitted over a period of two years with idc-9 codes related to thoracic trauma was undertaken. the association of ttss with complications and mortality was evalu...