Preoperative Warming Prevents Postoperative Hypothermia in Laparoscopic Gynecologic Surgery. A Randomized Control Trial

Preoperative Warming Prevents Postoperative Hypothermia in Laparoscopic Gynecologic Surgery. A Randomized Control Trial

Preoperative Active Warming Prevents Postoperative Hypothermia in Patients Undergoing Laparoscopic Gynecologic Surgery. A Randomized Control Trial

This study examined whether 20 minutes of prewarming prior to gynecological laparoscopic surgery prevented inadvertent post-operative hypothermia. Treatment group received prewarming using a forced air body warming, control group received no active warming system. Both groups were then warmed with forced air warmer intraoperatively.

Inadvertent perioperative hypothermia is a well known perioperative complication. The behavioural response to hypothermia is the most powerful protective tool, more effective than any autonomic response, and is obviously removed in the operative setting. Anesthesia alters thermoregulation by profoundly changing the thresholds for vasoconstriction and shivering, making patients vulnerable to the adverse outcomes related to mild hypothermia. Inadvertent postoperative hypothermia can occur in up to 70% of surgical patients. It is defined as a core temperature below 36°C (96.8°F). The aim of this study was to determine if prewarming with an active warming system for 20 minutes preoperatively could prevent postoperative inadvertent hypothermia.

Hypothermia Following Anesthesia, Hypothermia, Hypothermia, Accidental, Body Temperature Changes, Hypothermia Due to Anesthetic

Prewarmed for 20 minutes prior to OR using 3M Bair Paws System, a forced air warming blanket. This warming blanket was then used intraoperatively throughout the case.

Patients received standard care, which is no active prewarming prior to OR. A full body, forced air warming blanket (same as treatment group) was used intraoperatively throughout the case.

11-point VAS pain score postoperatively measured 30 minutes after admission to the post-anesthetic care unit

Inclusion Criteria: ASA I-III undergoing elective laparoscopic gynecological surgical procedures expected duration >60 minutes BMI 18-45 Exclusion Criteria: Current fever (temperature>38.1°C) active endocrine disorders were exclusion criteria

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