External warming is routinely used in general surgery to offset the deleterious effects of hypothermia. It entails deployment of a disposable, external heating blanket attached to a regulated hot-air pump. The need for external warming in the morbidly obese population undergoing short laparoscopic procedures is unclear. If proven to be unnecessary, time and momentary costs could be lowered. The study will compare core-temperature dynamics during laparoscopic bariatric procedures anticipated to last \<2h. The study group will be left without a warming blanket while the control group will receive routine external warming. Post-anesthesia care unit (PACU) arrival temperature will also be recorded.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
20
Deviation from external heating for all surgery standard
Standard external heating plan used in all surgery types
Sheba Medical Center
Ramat Gan, Israel
Intraoperative core-temperature decline
Core-temperature will be continuously measured throughout surgery
Time frame: Surgery duration, up to 2 hours from surgery start-time
Arrival temperature at post anesthesia care unit (PACU)
Core temperature upon arrival to recovery room
Time frame: arrival to recovery room, up to 2 h from surgery start-time
Hypothermia events
Measurement of core temperature \<35 C
Time frame: 3 hours from surgery start-time
Intraoperative blood loss
Intraoperative bleeding score will be used
Time frame: Surgery duration, up to 2 hours from surgery start-time
Post operative complications
Complications after surgery (30 days), graded according to Clavien-Dindo classification
Time frame: 30 days postoperatively
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