Using a prospective, randomized, blinded, controlled multi-center study. Ott et al., (1998) assessed the efficacy and safety of the Insuflow (Georgia BioMedical, Inc.) filter heater hydrator device in reducing the incidence, severity and extent of hypothermia, length of recovery room stay and postoperative pain at the time of laparoscopy. Patients underwent gynecologic procedures via laparoscopy and surgeons, anesthesiologists and recovery room personnel assessed the results; incidence, severity and extent of hypothermia, postoperative pain perception and length of recovery room stay.
The Insuflow group had significantly less intraoperative hypothermia, reduced length of recovery room stay and reduced postoperative pain. Pre-conditioning of laparoscopic gas by filtering heating and hydrating was well tolerated with no adverse effects. The safety profile of the Insuflow pre-conditioned gas showed significant benefits compared to currently used raw gas.
The authors concluded that pre-conditioning laparoscopic gas by filtering heating and hydrating with the Insuflow device was significantly more effective than the currently used standard raw gas and was safe in reducing or eliminating laparoscopic-induced hypothermia, shortening recovery room length of stay and reducing postoperative pain.
(1)
Farley et al., (2004) reported that while patients undergoing laparoscopic cholecystectomy with warmed, humidified CO2 had several advantages such as;
maintain a warmer intraoperative core temperature, have their surgeon experience less fogging of the camera lens, and have less postoperative pain than patients undergoing laparoscopic cholecystectomy with standard CO2 insufflation that were statistically significant, no major clinically relevant differences were evident.
(2)