Abstract
Introduction: During mechanical ventilation, various factors can cause the endotracheal cuff pressure to exceed the tracheal mucosal perfusion pressure, potentially leading to postoperative sore throat and hoarseness. Our study was designed to test the hypothesis that, during gynecological laparoscopic surgery, increased endotracheal cuff pressure is directly associated with elevated airway pressure due to reduced respiratory compliance. Methods: This cross-sectional descriptive study included 100 patients undergoing gynecological laparoscopic surgery. All patients received general anesthesia with high-volume, low-pressure endotracheal tubes. After baseline adjustment to 25 cmH₂O, cuff pressure was continuously monitored using a manometer. Data on cuff pressure, airway pressure, mechanical ventilation parameters, and intra-abdominal pressure were collected throughout anesthesia. Results: Cuff pressure significantly changed after concomitant variations in the airway pressure: increasing from 25 cmH₂O before peritoneal insufflations, to 32 (30 - 36) cmH₂O after peritoneal insufflation, and decreasing to 22 (20 - 24) cmH₂O after peritonealdeflation (p < 0,05). A statistically significant association was observed between peak airway pressure and endotracheal tube cuff pressure: each 1 cmH₂O increase in peak airway pressure was
associated with a 0,39 cmH₂O rise in cuff pressure (estimated coefficient β = 0,39; 95% CI: 0,25 - 0,53; p < 0,05). Conclusion: In patients undergoing gynecologic laparoscopic surgery, the increase in airway pressure during pneumoperitoneum in the low head position directly leads to an elevation in endotracheal tube cuff pressure.
| Published | 2026-09-28 | |
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| Issue | Vol. 16 No. 5 (2026) | |
| Section | Original Articles | |
| DOI | 10.34071/jmp.2026.5.933 | |
| Keywords | Cuff pressure, airway pressure, gynecological laparoscopic surgery Áp lực bóng chèn, áp lực đường thở, phẫu thuật nội soi phụ khoa |
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