Korean J Anesthesiol.  2000 Sep;39(3):352-356. 10.4097/kjae.2000.39.3.352.

The Effects of Intraperitoneal CO2 Insufflation and/or Reversed Trendelenburg Position on Airway Pressure and Compliance

Affiliations
  • 1Department of Anesthesiology, Hanil General Hospital, College of Medicine, Chung-Ang University, Seoul, Korea.
  • 2Department of Anesthesiology, Hanil General Hospital, College of Medicine, Seoul National University, Seoul, Korea.

Abstract

BACKGROUND: We studied the effects of intraperitoneal CO2 insufflation and/or the reversed Trendelenburg position on airway pressure and compliance of the total respiratory system.
METHODS
We selected and randomly allocated eighty adults to a control group C or laparoscopy group L. Without premedication, propofol and vecuronium were injected for anesthesia. In the supine position we checked peak and plateau airway pressures, and calculated the dynamic and static compliance of the total respiratory system. We only used 10o reverse Trendelenburg position in group C, and used both 10o reverse Trendelenburg position and abdominal CO2 insufflation in group L. Afterwards, we checked airway pressure and compliance and compared them between groups.
RESULTS
In group C, there was no change in airway pressure and compliance. But in group L, peak airway pressure (13.9 +/- 2.4 vs 21.0 +/- 3.3 cmH2O) and plateau airway pressure (11.7 +/- 2.1 vs 18.9 +/- 3.2 cmH2O) were increased and dynamic compliance (47.7 +/- 9.1 vs 30.6 +/- 5.9 ml/cmH2O) and static compliance (58.4 +/- 12.4 vs 13.1 +/- 7.3 ml/cmH2O) of the total respiratory system were decreased.
CONCLUSION
In a laparoscopic cholecystectomy, intraabdominal insufflation of CO2 raises airway pressure and reduces compliance of the total respiratory system. Reverse Trendelenburg position itself does not affect airway pressure and compliance.

Keyword

Lung: compliance; Position: reversed Trendelenburg; Surgery: laparoscopic cholecystectomy; Ventilation: airway pressure

MeSH Terms

Adult
Anesthesia
Cholecystectomy, Laparoscopic
Compliance*
Head-Down Tilt*
Humans
Insufflation*
Laparoscopy
Premedication
Propofol
Respiratory System
Supine Position
Vecuronium Bromide
Propofol
Vecuronium Bromide
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