Characterizing post-extubation negative pressure pulmonary edema in the operating room-a retrospective matched case-control study

Pei-Hsin Tsai, Jen-Hung Wang, Shian-Che Huang, Yen-Kuang Lin, Chen-Fuh Lam

研究成果: 雜誌貢獻文章同行評審

摘要

Background: Post-extubation negative pressure pulmonary edema (NPPE) is an uncommon but important anesthesia-related emergency presenting with acute respiratory distress and hypoxemia after removal of airway devices. This study investigated the incidence and associated risk factors for post-extubation NPPE during emergence.

Methods: This retrospective, matched case-control study was conducted by reviewing the post-anesthesia records in Tzu Chi General Hospital, Taiwan. Patients reported of having acute hypoxemia (SpO2 < 92%) shortly after the removal of the endotracheal tube or supraglottic airway, associating with radiographic evidence of pulmonary edema and/or pink frothy sputum, were identified as definite NPPE cases. The potential risk factors were compared with the matched controls, who were randomly selected from the same database.

Results: A total of 85,561 patients received general anesthesia with airway instrumentation during the 8.5-year study period. A total of 16 patients were identified as definite cases of NPPE. Compared with the matched controls (n = 131), males, active smokers, emergency operation, endotracheal intubation, use of desflurane, and prolonged operation time carried significantly higher risks of developing NPPE (P < 0.05). Multivariate logistic regression analysis illustrated that active smoking (AOR 7.66, 95% CI 1.67-35.3; P = 0.009) and endotracheal intubation (AOR 10.87, 95% CI 1.23-100; P = 0.03) were the two most significant independent variables of post-extubation NPPE.

Conclusion: We present the first clinical comparative study demonstrating that the overall incidence of NPPE immediately after extubation in the operating room is 0.019%. Our results highlight that active smokers and patients receiving endotracheal intubation general anesthesia are associated with significantly higher risks of developing NPPE following extubation in the operating room.

原文英語
頁(從 - 到)28
期刊Perioperative medicine (London, England)
7
DOIs
出版狀態已發佈 - 2018

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