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Updated: Jul 26, 2025
Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
The effect of operative time on surgical-site infection following total shoulder arthroplasty
Mark W Schmitt1, Parker K Chenault1, Linsen T Samuel1
1Musculoskeletal Education and Research Center, Department of Orthopaedic Surgery, Institute for Orthopaedics and Neurosciences, Carilion Clinic, Roanoke, VA, USA.
Background:
Many factors contribute to the risk of surgical-site infection (SSI) following total shoulder arthroplasty (TSA). Operative time is a modifiable factor that may contribute to SSI occurrence after TSA. This study aimed to determine the correlation between operative time and SSI following TSA.
Materials And Methods:
By use of the American College of Surgeons National Surgical Quality Improvement Program database, a total of 33,987 patient records were queried from 2006 to 2020 and sorted by operative time and the development of an SSI in the 30-day postoperative period. Odds ratios for the development of an SSI were calculated based on operative time.
Results:
An SSI developed in the 30-day postoperative period in 169 of the 33,470 patients in this study, resulting in an overall SSI rate of 0.50%. A positive correlation was identified between operative time and the SSI rate. An inflection point was identified at an operative time of 180 minutes, with a significant increase in the rate of SSI occurrence for operative times >180 minutes.
Discussion And Conclusion:
Increased operative time was shown to be strongly correlated with an increased risk of SSI within 30 days following surgery, with a significant inflection point at 180 minutes. The target operative time for TSA should be <180 minutes to reduce the risk of SSI.
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