Validity of same-side reoperation after total hip and knee arthroplasty using administrative databases.

Stephen Lyman, Warren R. Dunn, Chris Spock, Peter B. Bach, Lisa A. Mandl, Robert G. Marx

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Many arthroplasty outcome studies use administrative data to evaluate complications and mortality. Most databases use International Classification of Diseases, Ninth Revision or Current Procedural Terminology codes, which lack laterality information. This study determined the frequency with which a second operation occurs on the same side after total hip arthroplasty (THA) and total knee arthroplasty (TKA) and identified variables associated with ipsilateral reoperation. In a hospital-based sample of patients undergoing multiple THA or TKA, the side of the index operation was compared with the side of the subsequent operation. Concordance was defined as the percentage of same-side reoperations. Overall concordance was 23% for THA and 22% for TKA, suggesting most reoperations were on the contralateral hip or knee. This study provides estimates of misclassification of reoperation after lower extremity arthroplasty when conducting orthopedic research with administrative data. Studies using these data should be aware of this limitation, and efforts should be made to limit reoperation to revision THA and TKA.

Original languageEnglish
Pages (from-to)17-20
Number of pages4
JournalThe journal of knee surgery
Volume22
Issue number1
DOIs
Publication statusPublished - Jan 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Surgery
  • Orthopedics and Sports Medicine

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