transcatheter aortic valve replacement (tavr) is a novel therapeutic intervention for the replacement of severely stenotic aortic valves in high-risk patients for standard surgical procedures. since the initial partner trial results, use of tavr has been on the rise each year. new delivery methods and different valves have been developed and modified in order to promote the minimally invasive p...

BACKGROUND Variability in surgical procedure times increases the cost of healthcare delivery by increasing both the underutilization and overutilization of expensive surgical resources. To reduce variability in surgical procedure times, we must identify and study its sources. METHODS Our data set consisted of all surgeries performed over a 7-yr period at a large teaching hospital, resulting i...

Background: Internal medicine consultants are frequently asked to evaluate patients' tolerance against the stress of an intended surgical operation. Classification of surgical operations to mild, moderate and major is based on the morbidity and mortality rates due to the procedure, duration of procedure and underlying risk factors of the patient. Body response to surgical stress is via some hor...

congenital esophageal atresia needs to be surgically corrected as soon as possible. some will present with post surgical stricture that needs to be dilated by a balloon dilator. this procedure is difficult in premature born due to infant esophageal size and availability of equipments. we herby report the first case in a premature infant with post surgical esophageal stricture of esophageal atre...

from 1983 until 1987, 4177 outpatient urologic procedures were performed at shahid labbafi nejad medical center. 34% of the cases were open surgical, while 66% were endourologic procedures. there was no surgical complication related to the outpatient aspect of the procedure. rate of infection in open surgical cases was almost zero. the number of procedures was increased each succeeding year. al...

Ovariectomy (OVE) is a routine surgical procedure for neutering in small animal practice. Laparoscopy is a new surgical technique which contains advantages such as less trauma, smaller incision and excellent visualization than traditional open surgery. The present study was conducted to examine the feasibility and safety of laparoscopic procedure through two portal comparing with the convention...

introduction: despite the vast number of surveys, no consensus has been reached on the optimum timing of spinal decompression surgery. this systematic review and meta-analysis aimed to compare the effects of early and late spinal decompression surgery on neurologic improvement and post-surgical complications in patients with traumatic spinal cord injuries. methods: two independent reviewers car...