background: we investigated the effects of cigarette smoking in non-per os (npo) period on volume and ph of gastric contents in smoker male patients. methods: in a prospective cohort study, 86 male smoker patients undergoing elective non-abdominal surgery under general anesthesia, were surveyed. they were npo for at least 8-12 hrs. prior to surgery without direction to smoking. then they were d...

opium is a derivative of opium poppy; the species of plant which its extract is used for preparing opium. opium abuse is considered under drug dependency classification of psychiatric diseases and opium abusers have a number of major challenges before, during and after anesthesia for surgical operations (i.e. the perioperative period). this article reviews these clinical challenges during the p...

introduction: hemodynamic alterations are a common complication during anesthetic induction with intravenous anesthesia. hypotension due to propofol injection may be very severe in cardiac vascular patient. ketamine produces the significant increasing but temporary in systematic blood stream, heartbeat, cardiac output through central sympathetic stimulation. objective : to determine effect of k...

background simultaneous administration of epidural local anesthetic agents (la) and general anesthetics (intravenous or inhaled) is a common procedure in patients undergoing major operations. the effects of epidural anesthesia during combined general-epidural anesthesia on the alertness level (cgea) in the awake phase and the doses of anesthetics have been reported. objectives the present study...

Objective: To investigate the clinical outcomes of three anesthesia methods in gynecologic laparoscopic surgery. Methods: 300 patients performed gynecologic laparoscopic surgery from January, 2014 to January, 2016 in this hospital were divided into 3 groups by random number method as general anesthesia group, continuous epidural anesthesia group and general anesthesia combined with continuous e...

background: reintubation in patients after cardiac surgery is associated with undesirable consequences. the purpose of the present study was to identify variables that could predict reintubation necessity in this group of patients. methods: w e performed a prospective study in 1000 consecutive adult patients undergoing cardiac surgery with cardiopulmonary bypass. the patients who required reint...