Abstract
Using an institutional joint registry, we studied frequency, trends and predictors
of mortality after elective total hip or knee arthroplasty (THA/TKA). Of the 12 727
and 12 484 patients who underwent THA and TKA, respectively, all-cause mortality rates
at 7-, 30-, and 90-days were as follows: THA, 0.1%, 0.2%, and 0.5%; TKA 0.1%. 0.2%,
and 0.4%, respectively. Statistically significant downward time trend in 90-day mortality
was noted after TKA (P = .02) but not after THA (P = .41). In multivariable-adjusted analyses of patients undergoing THA, older age,
higher comorbidity index, and prior cardiac disease were significantly associated
with higher 90-day mortality. In patients undergoing TKA, older age, male gender,
a Society of Anesthesiologist class of III-IV, and higher comorbidity index were associated
with higher 90-day all-cause mortality. Optimization of disease management may reduce
postoperative mortality after THA/TKA.
Keywords
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Article info
Publication history
Published online: May 04, 2012
Accepted:
March 8,
2012
Received:
December 8,
2011
Footnotes
Supplementary material available at www.arthroplastyjournal.org.
The Conflict of Interest statement associated with this article can be found at doi:10.1016/j.arth.2012.03.008.
This study was supported by Dr Singh's time protection provided by the National Institutes of Health CTSA Award 1 KL2 RR024151-01 (Mayo Clinic Center for Clinical and Translational Research), the Department of Orthopedic Surgery, Mayo Clinic School of Medicine, Rochester, Minnesota.
The views expressed in this article are those of the authors and do not necessarily reflect the position or policy of the Department of Veterans Affairs or the US government.
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Published by Elsevier Inc.
