Endotracheal cuff pressure change during gynecologic laparoscopic surgery: effect on the incidence of postoperative airway complications |
Seong Joo Park, Sun Sook Han, Junghee Ryu, Sang Hwan Do, Won Jun Choi, Yun Hong Kim, Jung Min Lee, Hye Kyoung Lee, Woong Gi Han, Sang Chul Lee, Yeun Hee Shin, Jae Moon Shin |
1Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea. 2Department of Anesthesiology and Pain Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea. hss9438@empal.com 3Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea. 4Department of Anesthesiology and Pain Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea. |
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Abstract |
BACKGROUND Laparoscopic surgery with reverse Trendelenburg position and carbon dioxide pneumoperitoneum has been known to increase the endotracheal tube (ETT) cuff pressure and the incidence of postoperative sore throat. The purpose of this study was to evaluate the effect of the Trendelenburg position and pneumoperitoneum on the ETT cuff pressure and the effect of adjustment of ETT cuff pressure on the incidence of sore throat during laparoscopic gynecologic surgery. METHODS One hundred fifty-four female patients undergoing laparoscopic gynecologic surgery were randomly assigned to either control group or adjusted group. In control group, initial cuff pressure was set at 30 cmH2O in the supine position without any adjustment during surgery. Cuff pressure of adjusted group was adjusted to maintain 30 cmH2O throughout the operation. Cuff pressures at intubation (P(imme)), at carbon dioxide insufflation and the Trendelenburg position (P0), and at 10 minute intervals throughout surgery (P10-P60 and P(end)) were checked. Postoperative airway complications including sore throat, hoarseness, dysphagia and cough were compared between the two groups at 2 hours and 24 hours after surgery. RESULTS In control group, P0 and P10 were significantly higher than P(imme). The cuff pressure decreased with time, thereby; P50 (28.2 +/- 4.3), P60 (27.5 +/- 4.0) and P(end) (25.9 +/- 4.2) were significantly lower than P(imme) (P < 0.05). The incidences and severity of airway complications were not different between two groups. CONCLUSIONS ETT cuff pressure decreased in laparoscopic gynecologic surgery. Therefore, controlled cuff pressure does not decrease the incidence of postoperative airway complications. |
Key Words:
Endotracheal cuff pressure, Gynecologic surgery, Laparoscopy, Sore throat, Trendelenburg position |
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