Today's News

Thursday, March 11, 2004

No higher morbidity in simultaneous bilateral TKR

By Nancy Fehr

The safety of simultaneous bilateral total knee arthroplasty (SBTKR) is an issue of concern, because some studies report increased cardiac and neurologic complications and increased risk of early mortalilty compared to unilateral total knee arthroplasty. However, researchers in Poster Exhibit P125 found that patients undergoing SBTKR are not at risk of increased morbidity.

Researches conducted a retrospective clinical review of all SBTKR patients at one institution from January 1994 to March 2002. Both inpatient and outpatient charts were reviewed, and pertinent demographic and clinical information, including all complications, were recorded.

Study population comprised 274 patients. One-month follow-up was present for 273 patients; 246 patients had follow-up greater than 12 months. Average patient age was 64.7 years (range: 35 to 86 years) and average follow-up was 33.8 months.

There were no fatalities in the first postoperative month. Two patient deaths occurred in the first postoperative year and five patient deaths occurred more than one year after surgery. The 30-day mortality rate was 0.0 percent and the one-year mortality rate was 0.8 percent.

Giles R. Scuderi, MD; W. Norman Scott, MD; Fred D. Cushner, MD; and John N. Insall, MD, all of New York City.

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