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Length of operation likely key in limiting complications following TKA

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Total knee arthroplasty procedures that take longer than 120 minutes to complete or are completed in less than 40 minutes are associated with greater rates of complications and revisions, according to a presenter.

Simon W. Young, MD, FRACS, and colleagues conducted a study to analyze the effect of surgical duration on functional outcomes and revision rates for a primary total knee arthroplasty (TKA).

“We found a clear association between a prolonged operative time greater than 120 minutes and higher revision rates in TKA surgery. This is perhaps understandable as longer procedures are more likely in complex cases, or if an intraoperative complication occurs. We also found for primary TKAs lasting less than 120 minutes, there was no evidence that further shortening operative time led to improved patient outcomes. In fact, we found a somewhat paradoxical trend toward an increased risk of revision in very rapid procedures less than 40 minutes,” Young told Orthopaedics Today Europe.

Click here to read the full story in the July/August issue of Orthopaedics Today Europe.