The goal of this prospective observational study is to investigate minimum cuff pressure to prevent gas leakage during mechanical ventilation in laryngomicrosurgery.
It has been well known that cuff pressure should be adequately limited to prevent ischemic injury of tracheal mucosa, which is about 20-30 mmHg. However, higher cuff pressure that 20-30 mmHg might be required to prevent gas leakage during general anesthesia for laryngomicrosurgery. The hypothesis of this study is that the required cuff pressure to prevent gas leakage from mechanical ventilation during general anesthesia for laryngomicrosurgery, and there will be no damage from the required cuff pressure because of short time of surgery.
Study Type
OBSERVATIONAL
Enrollment
46
observe and record the required cuff pressure to prevent gas leakage during mechanical ventilation for laryngomicrosurgery
Seoul Metropolitan Government Seoul National University Boramae Medical Center
Seoul, South Korea
Cuff pressure
the required cuff pressure to prevent gas leakage from mechanical ventilation during general anesthesia for laryngomicrosurgery
Time frame: intraoperative
post operative complication
any postoperative symptoms associated with cuff pressure such as hoarsness, dyspnea
Time frame: from end of surgery to 1-2 weeks after surgery
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