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Risk factors for unplanned reintubation caused by acute airway compromise after general anesthesia: a case-control
Si Chen1, Yuelun Zhang2, Lu Che1
1Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, 100730, China.
Background:
This study aimed to identify the risk factors and evaluate the prognosis of unplanned reintubation caused by acute airway compromise (AAC) after general anesthesia.
Methods:
This case-control study included surgical patients who underwent unplanned reintubation in the operating room and postanesthesia care unit after general anesthesia between January 1, 2014, and December 31, 2018. Cases due to AAC were matched 1:4 with randomly selected controls.
Results:
A total of 123,068 patients were included, and reintubation due to AAC was performed in 36 patients (approximate incidence 0.03%). Univariable analysis revealed that male sex, age > 65, ASA physical status 3, sepsis, heart disease history, cerebral infarction history, Cormack Lehane grade, surgery type, fresh frozen plasma infusion, increased intubation duration, white blood cell count, and creatinine clearance rate were related to AAC-caused unplanned reintubation. Multivariable analysis revealed that age > 65 (OR = 7.50, 95% CI 2.47-22.81, P < 0.001), ASA physical status 3 (OR = 6.51, 95% CI 1.18-35.92, P = 0.032), head-neck surgery (OR = 4.94, 95% CI 1.33-18.36, P = 0.017) or thoracic surgery (OR = 12.56, 95% CI 2.93-53.90, P < 0.001) and a high fluid load (OR = 3.04, 95% CI 1.16-7.99, P = 0.024) were associated with AAC-caused unplanned reintubation. AAC-caused unplanned reintubation patients had longer postoperative hospital (OR = 5.26, 95% CI 1.57-8.95, P < 0.001) and intensive care unit days (OR = 3.94, 95% CI 1.69-6.18, P < 0.001).
Conclusions:
Age > 65, ASA physical status 3, head-neck or thoracic surgery and high fluid load were found to be associated with AAC-caused unplanned reintubation.
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