• Anesthesia and analgesia · Mar 2018

    Multicenter Study Observational Study

    Postoperative Complications Affecting Survival After Cardiac Arrest in General Surgery Patients.

    • Minjae Kim and Guohua Li.
    • From the Department of Anesthesiology, Columbia University Medical Center, New York, New York.
    • Anesth. Analg. 2018 Mar 1; 126 (3): 858-864.

    BackgroundPostoperative cardiac arrest is uncommon but associated with a high mortality risk in general surgery patients and is often preceded by postoperative complications. The relationships between previous complications and mortality after cardiac arrest in general surgery patients have not been completely evaluated.MethodsA retrospective, observational cohort of general surgery in patients with cardiac arrest occurring after postoperative day (POD) #0 (and up to POD #30) was obtained from the 2012-2013 American College of Surgeons National Surgical Quality Improvement Program. Previous complication was defined as at least one of the following occurring before the POD of cardiac arrest: (1) acute kidney injury; (2) acute respiratory failure; (3) deep vein thrombosis/pulmonary embolus; (4) myocardial infarction; (5) sepsis/septic shock; (6) stroke; and/or (7) transfusion. The associations between previous complications and mortality after cardiac arrest were assessed using Cox proportional hazards models that adjusted for preoperative risk factors.ResultsOf 1352 patients with postoperative cardiac arrest, 746 patients (55%) developed at least 1 complication before cardiac arrest. Overall 30-day mortality was 71% (958/1352) and was similar among patients with and without a previous complication (71% [533/746] vs 70% [425/606]; P = .60). Patients with previous complications did not have an increased risk of mortality, compared to patients without previous complications, in adjusted Cox models (hazard ratio, 1.03; 95% confidence interval, 0.90-1.18; P = .70). In addition, no previous complication was associated with increased mortality risk in individual analyses.ConclusionsAmong general surgery patients with cardiac arrest after POD #0, complications occurring before cardiac arrest are common but are not associated with increased mortality risk.

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