Surgical humidification is the delivery of warm, humidified CO2 in laparoscopic and open surgery.
The condition of the CO2 traditionally used during laparoscopic surgery and the ambient air during open surgery is vastly different to the conditions of the human body, directly drawing heat and moisture from the already compromised patient. Introducing warm, humidified CO2 provides an environment which reflects the physiologic condition of the peritoneum.
In order to demonstrate the effects of CO2 gas used in laparoscopic surgery, this brief film shows three eggs exposed to different CO2 gas conditions over a 60 minute period.
Surgical humidification reduces the incidence of peri-operative hypothermia1,2 and improves core body temperature at the end of surgery in both laparoscopic3 and open surgery2.
Surgical humidification aims to reduce the effects of cellular desiccation and evaporative heat loss when the body is exposed to cold, dry CO2 during laparoscopic surgery or ambient air during open surgery.
Laparoscopic porcine images courtesy of Matsuda et al., 2002.6
Open images Fisher & Paykel Healthcare, 2016.
The use of warm humidified CO2 during laparoscopic and open surgery may reduce morphological mesothelial damage7,8 and maintain the integrity and function of the peritoneum∆.
Peritoneal damage leads to an increased response and the release of pro-inflammatory and pro-angiogenic mediators enhancing implantation of disseminated cancer cells.
Surgical humidification reduces local peritoneal inflammation9 and may reduce adhesion formation10, tumour burden and metastasis11«∆.
Surgical Humidification reduces time in recovery after laparoscopy14. With increased length of stay, patient outcomes deteriorate. Also, the extra time in hospital is a financial burden for the healthcare system.
Fisher & Paykel Healthcare has provided research funding to the ICENI Centre.
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Delivering warm, humidified carbon dioxide in laparoscopic and open surgery
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