Total Knee Arthroplasty Has Higher Postoperative Morbidity Than Unicompartmental Knee Arthroplasty: A Multicenter Analysis

Abstract A total of 2235 primary total knee arthroplasties (TKAs) and 605 unicompartmental knee arthroplasties performed at 3 institutions over 5 years were reviewed to compare the incidence of postoperative complications between these groups. The overall risk of complications for patients undergoin...

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Bibliographic Details
Published inThe Journal of arthroplasty Vol. 27; no. 8; pp. 86 - 90
Main Authors Brown, Nicholas M., MD, Sheth, Neil P., MD, Davis, Kenneth, MS, Berend, Mike E., MD, Lombardi, Adolph V., MD, Berend, Keith R., MD, Della Valle, Craig J., MD
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.09.2012
Subjects
Aged
Arthroplasty, Replacement, Knee - adverse effects
Arthroplasty, Replacement, Knee - methods
Female
Humans
Incidence
Male
Middle Aged
morbidity
Orthopedics
Postoperative Complications - epidemiology
Postoperative Complications - etiology
Retrospective Studies
total knee arthroplasty
unicompartmental knee arthroplasty
morbidity
total knee arthroplasty
unicompartmental knee arthroplasty
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Summary:Abstract A total of 2235 primary total knee arthroplasties (TKAs) and 605 unicompartmental knee arthroplasties performed at 3 institutions over 5 years were reviewed to compare the incidence of postoperative complications between these groups. The overall risk of complications for patients undergoing TKA was 11.0%, compared with 4.3% for patients undergoing unicompartmental knee arthroplasty ( P < .0001). Total knee arthroplasty was associated with increased rates of manipulation (odds ratio [OR], 13.0; P < .0001), transfusion (OR, 8.5; P = .036), intensive care unit admission (OR, 7.4; P = .049), discharge to a rehabilitation facility (OR, 5.2; P < .0001) and had longer hospital stays (mean, 3.3 vs 2.0 days; P < .0001). There was a trend toward an increased risk of deep infection (0.8% vs 0.2%, P = .13), readmission (4.2% vs 2.7%, P = .0795), thromboembolic events (1.0% vs 0.64%, P = .398), and any reoperation (1.4% vs 0.6%; P = .064). The increased risk of perioperative complications after TKA should be considered when counseling patients if they are an appropriate candidate for either procedure.
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ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2012.03.022