Patient-reported outcome measures after total knee arthroplasty: A systematic review

P. N. Ramkumar, J. D. Harris, P. C. Noble

Research output: Contribution to journalReview articlepeer-review

66 Scopus citations

Abstract

Objectives: A lack of connection between surgeons and patients in evaluating the outcome of total knee arthroplasty (TKA) has led to the search for the ideal patient-reported outcome measure (PROM) to evaluate these procedures. We hypothesised that the desired psychometric properties of the ideal outcome tool have not been uniformly addressed in studies describing TKA PROMS. Methods: A systematic review was conducted investigating one or more facets of patient-reported scores for measuring primary TKA outcome. Studies were analysed by study design, subject demographics, surgical technique, and follow-up adequacy, with the 'gold standard' of psychometric properties being systematic development, validity, reliability, and responsiveness. Results: A total of 38 articles reported outcomes from 47 different PROMS to 85 541 subjects at 26.3 months (standard deviation 30.8) post-operatively. Of the 38, eight developed new scores, 20 evaluated existing scores, and ten were cross-cultural adaptation of existing scores. Only six of 38 surveyed studies acknowledged all 'gold standard' psychometric properties. The most commonly studied PROMS were the Oxford Knee Score, New Knee Society Score, Osteoarthritis Outcome Score, and Western Ontario and McMaster Universities Osteoarthritis Index. Conclusions: A single, validated, reliable, and responsive PROM addressing TKA patients' priorities has not yet been identified. Moreover, a clear definition of a successful procedure remains elusive.

Original languageEnglish (US)
Pages (from-to)120-127
Number of pages8
JournalBone and Joint Research
Volume4
Issue number7
DOIs
StatePublished - Jul 2015

Keywords

  • Measure
  • Outcomes
  • TKA

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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