Increase in operative time is associated with postoperative complications in revision total knee arthroplasty

Aaron Z. Chen, Alex Gu, Chapman Wei, Kenneth T. Nguyen, Safa C. Fassihi, Michael Alexander Malahias, Jiabin Liu, Matthew P. Abdel, Thomas P. Sculco, Peter K. Sculco

Research output: Contribution to journalArticlepeer-review

Abstract

Given the growing rate of revision total knee arthroplasties (TKAs), it is important to understand the potential risk factors associated with postoperative complications. The aim of this study was to determine the role of operative time in postoperative complications in revision TKA. A retrospective cohort study was performed using data from the American College of Surgeons National Surgical Quality Improvement Program database. Patients who had undergone revision TKA between 2007 and 2016 were identified and analyzed based on operative time. The effect of operative time on postoperative complications was examined using multinomial multivariate analysis. A total of 14,769 revision TKA patients were included. On adjusted multivariate analysis, each additional 15 minutes of operative time increased the likelihood of wound complications (odds ratio, 1.023; P=.020), postoperative blood transfusion (odds ratio, 1.169; P<.001), and extended hospital stay (odds ratio, 1.060; P<.001). An increase of 15 minutes of operative time was associated with several postoperative complications. Although operative time is often an uncontrollable factor, surgeons should consider the effect of prolonged operative time on potential complications in the acute postoperative period.

Original languageEnglish (US)
Pages (from-to)18-22
Number of pages5
JournalOrthopedics
Volume44
Issue number1
DOIs
StatePublished - Nov 25 2020

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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