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Postoperative Respiratory Failure After Elective Abdominal Surgery: A Case-Control Study.

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  • 1Department of General Surgery, Cleveland Clinic, Cleveland, Ohio.

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|February 18, 2022
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Summary

Postoperative respiratory failure (PRF) is a major risk after abdominal surgery. Key risk factors include older age, higher American Society of Anesthesiologists score, COPD, diabetes, laparotomy, and fluid balance.

Keywords:
Abdominal surgeryPatient safety indicatorPostoperative respiratory failureReintubation

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Area of Science:

  • Anesthesiology
  • Surgical Outcomes
  • Critical Care Medicine

Background:

  • Postoperative respiratory failure (PRF) significantly increases patient morbidity and mortality.
  • Identifying risk factors for PRF is crucial for improving surgical outcomes.
  • Elective abdominal surgery presents a unique context for studying PRF.

Purpose of the Study:

  • To identify patient characteristics and perioperative risk factors associated with PRF.
  • To improve patient outcomes by understanding PRF predictors.
  • To inform clinical practice for patients undergoing elective abdominal surgery.

Main Methods:

  • Retrospective review of adult patients undergoing elective abdominal surgery (2011-2016).
  • Comparison of patients with Patient Safety Indicator 11 diagnosis of PRF (experimental group) to a time-matched control group.
  • Multivariate analysis to determine significant risk factors.

Main Results:

  • Comorbidities like ascites, CAD, CKD, COPD, DM-II, hypertension, and hypoalbuminemia were linked to PRF.
  • Higher American Society of Anesthesiologists (ASA) scores, longer operative times, laparotomy, and greater net intraoperative fluid balance were observed in the PRF group.
  • Multivariate analysis confirmed age, ASA score, COPD, DM-II, laparotomy, and net intraoperative fluid balance as significant predictors of PRF.

Conclusions:

  • Key pre- and intra-operative risk factors for PRF in elective abdominal surgery were identified.
  • These findings can aid in identifying high-risk patients.
  • Mitigating identified risk factors may help reduce PRF complications.