Postoperative morbidity and mortality following total knee arthroplasty with computer navigation

Abstract The incidence of postoperative complications following computer navigated total knee arthroplasty is unknown. There is no published evidence to support decreased morbidity compared to standard conventional technique. The Nationwide Inpatient Sample database was used to identify 101,596 pati...

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Bibliographic Details
Published in:The knee 2010-03, Vol.17 (2), p.152-156
Main Authors: Browne, James A, Cook, Chad, Hofmann, Aaron A, Bolognesi, Michael P
Format: Article
Language:English
Subjects:
Aged
Arthroplasty
Arthroplasty, Replacement, Knee - mortality
Cardiovascular Diseases - epidemiology
Cardiovascular Diseases - etiology
Complications
Computer navigation
Databases, Factual
Female
Hematoma - epidemiology
Hematoma - etiology
Humans
Length of Stay - statistics & numerical data
Male
Morbidity
Odds Ratio
Orthopedics
Outcomes
Postoperative Complications - etiology
Postoperative Complications - mortality
Surgery, Computer-Assisted - adverse effects
Survival Rate
Treatment Outcome
United States - epidemiology
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Summary:Abstract The incidence of postoperative complications following computer navigated total knee arthroplasty is unknown. There is no published evidence to support decreased morbidity compared to standard conventional technique. The Nationwide Inpatient Sample database was used to identify 101,596 patients who underwent total knee arthroplasty in 2005. Of these patients, 1156 were coded as having a computer-assisted procedure. Bivariate analysis and regression modeling were used to compare postoperative in-hospital outcomes between the computer-assisted and non-navigated cohorts. We found no differences in postoperative mortality or complications for the majority of our measured outcomes. Under multivariate regression analysis, computer navigation was associated with a lower rate of postoperative cardiac complications (odds ratio 0.40, p = 0.042), a shorter length of stay, and a trend towards fewer hematomas. Further clinical study is required to examine the possible association of computer navigation with postoperative morbidity following knee arthroplasty.
ISSN:0968-0160
1873-5800
DOI:10.1016/j.knee.2009.08.002