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Laparoscopic hypothermia.

D E Ott1

  • 1Georgia Biomedical Research Group, Inc., Macon.

Journal of Laparoendoscopic Surgery
|June 1, 1991
PubMed
Summary
This summary is machine-generated.

Laparoscopic surgery uses more carbon dioxide, leading to patient hypothermia. Each 50 L of CO2 delivered intra-abdominally decreased core body temperature by 0.3°C, highlighting a risk in minimally invasive procedures.

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Area of Science:

  • Minimally Invasive Surgery
  • Surgical Physiology
  • Patient Safety

Background:

  • Operative laparoscopy use is increasing, expanding indications to higher-risk patients.
  • Increased operative times and higher carbon dioxide (CO2) volumes for pneumoperitoneum are common.
  • Patient factors like medical complications and advanced age are now accepted for laparoscopic procedures.

Purpose of the Study:

  • To quantify the hypothermia associated with carbon dioxide delivery during laparoscopy.
  • To evaluate the relationship between CO2 volume and core body temperature changes.
  • To provide data for managing thermal balance in laparoscopic surgery.

Main Methods:

  • Core body temperature was monitored in patients undergoing laparoscopy.

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  • Known volumes of CO2 were delivered intra-abdominally over measured time periods.
  • Controlled flow rates were used for CO2 delivery to maintain pneumoperitoneum.

    • Main Results:

    • A direct correlation was observed between intra-abdominal CO2 volume and hypothermia.
    • A decrease of 0.3°C in core body temperature was measured for every 50 L of CO2 delivered.
    • This finding quantifies the thermal impact of CO2 insufflation.

    Conclusions:

    • Carbon dioxide insufflation during laparoscopy is a significant cause of patient hypothermia.
    • The volume of CO2 used directly impacts the degree of core temperature drop.
    • Clinical awareness and strategies to mitigate CO2-induced hypothermia are crucial in laparoscopic surgery.