BACKGROUND The purpose of this study was to determine the effects of dexmedetomidine on systemic and cardiac autonomic reflex responses during rest and during thermal stress. METHODS Volunteers received either placebo or low- or high-dose dexmedetomidine (target plasma concentrations 0.3 or 0.6 ng/ml, respectively) infusions in a prospectively randomized, double-blinded crossover study design...

BACKGROUND Postoperative shivering (POS) is a common and distressing experience occurring in up to 60% patients postoperatively. This study was designed to compare the efficacy of tramadol in preventing POS when used with two different induction agent, propofol or thiopentone. MATERIALS AND METHODS One hundred and twenty-four ASA I and II adult patients, aged between 18-60 years, undergoing g...

213(2): 547-556* 1967* -An attempt has been made to ascribe the regulation of body temperature in homeotherms to the hypothalamus and the preoptic region. Results of measurements of hypothalamic temperature and regulatory responses in the normal dog in hot, neutral, and cold environments and in the resting, waking state are interpreted on the assumption that the hypothalamus responds to changes...

BACKGROUND In the present study, we compared changes in body temperature and the occurrence of shivering in elderly patients undergoing total knee arthroplasty under spinal anesthesia during warming with either a forced-air warming system or a circulating-water mattress. METHODS Forty-six patients were randomly assigned to either the forced-air warming system (N = 23) or circulating-water mat...

Aims: Postoperative shivering is unpleasant and annoying for the patient, occurring in up to 65% of cases undergoing general anesthesia. Various mechanisms were suggested postoperative shivering. Shivering after anesthesia can cause complications, such as cardiovascular conditions, bleeding, infection. This study compared effects dexamethasone, pethidine, ketamine on prevention Methods & Ma...

Background: Under general anaesthesia, the core temperature may drop up to 6°C. Patients undergoing prolonged maxillofacial surgery frequently experience unintentional hypothermia that causes postanaesthetic shivering which is a common complication of anaesthesia should be prevented. This study aimed evaluate role warmed intravenous fluid in preventing intraoperative and postoperative shivering...

perature 99*8?; one copious stool. 13tli.?Temperature 98-2?. 14th.?Temperature (J8*4?, wound suppurated, feels better. 4 P. M. temperature 99-2?. 15th.?Temperature 98-4? ; sits up in bed, looks cheerful. 4 P. M. temperature 103?, had slight shivering. Kith.?Temperature 100-8?, some swelling and tension?on the left side of the wound, could not sleep last night. 4 p. m. temperature 102-4?, had sl...

The role of therapeutic moderate hypothermia (32 to 34oC) has evolved in the past decade and become an essential part of management following post-cardiac arrest resuscitation.1 Additionally, this practice has gained momentum as a potential neuroprotective measure in patients following acute brain injury. However, achieving and maintaining the target temperature is challenging. The human body m...

Introduction: Pethidine is commonly used to treat shivering after general anesthesia (GA), yet respiratory depression may subsequently occur. Warming methods such as warm fluids and/or humid-warm oxygen inhalation can reduce shivering after GA. This randomized clinical trial aimed to compare the effects of three different methods on the reduction of shivering and their hemodynamic and respirato...