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Positive end-expiratory pressure and the incidence of postoperative pulmonary complications in patients undergoing general anaesthesia.
Journal of Perioperative Practice 2024 April 10
AIM OF THE STUDY: To evaluate the effect of intraoperative positive end-expiratory pressure and driving pressure on the development of postoperative pulmonary complications.
METHOD: The prospective study included 83 patients undergoing abdominal surgery and receiving general anaesthesia. Patients were divided into two groups: with low intraoperative positive end-expiratory pressure (0-2cm H2 O) and with high intraoperative positive end-expiratory pressure (8-10cm H2 O). The primary endpoint is the development of postoperative pulmonary complications during follow-up.
RESULTS: The incidence of postoperative pulmonary complications in the group of low intraoperative positive end-expiratory pressure was 9.8%, while in the group of high positive end-expiratory pressure was 7.1% (p = 0.6), demonstrating that high positive end-expiratory pressure used during general anaesthesia does not affect the frequency of complications (odds ratio = 0.71, p = 0.6). In the multivariate analysis that controls for all confounders, driving pressure resulted in a significant and independent risk factor for complications.
CONCLUSION: High intraoperative positive end-expiratory pressure does not affect the frequency of postoperative pulmonary complications. The increase in driving pressure is a risk factor for complications. Positive end-expiratory pressure is easily implemented, and its use does not result in significant economic costs.
METHOD: The prospective study included 83 patients undergoing abdominal surgery and receiving general anaesthesia. Patients were divided into two groups: with low intraoperative positive end-expiratory pressure (0-2cm H2 O) and with high intraoperative positive end-expiratory pressure (8-10cm H2 O). The primary endpoint is the development of postoperative pulmonary complications during follow-up.
RESULTS: The incidence of postoperative pulmonary complications in the group of low intraoperative positive end-expiratory pressure was 9.8%, while in the group of high positive end-expiratory pressure was 7.1% (p = 0.6), demonstrating that high positive end-expiratory pressure used during general anaesthesia does not affect the frequency of complications (odds ratio = 0.71, p = 0.6). In the multivariate analysis that controls for all confounders, driving pressure resulted in a significant and independent risk factor for complications.
CONCLUSION: High intraoperative positive end-expiratory pressure does not affect the frequency of postoperative pulmonary complications. The increase in driving pressure is a risk factor for complications. Positive end-expiratory pressure is easily implemented, and its use does not result in significant economic costs.
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