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Operative diagnosis for revision total hip arthroplasty is associated with patient-reported outcomes (PROs).

AbstractBACKGROUND:
Little is known about the impact of the reason for revision total hip arthroplasty (THA) on the outcomes following revision THA. In this study, our objective was to assess the association of operative diagnosis with patient-reported outcomes (PROs) after revision THA.
METHODS:
We used prospectively collected data from the Mayo Clinic Total Joint Registry that collects pre- and post-operative pain and function outcomes using a validated Hip questionnaire, on all revision THAs from 1993-2005. We used logistic regression to assess the odds of moderate-severe index hip pain and moderate-severe limitation in activities of daily living (ADLs) 2- and 5-years after revision THA. We calculated odds ratios (OR) and 95% confidence intervals (CIs).
RESULTS:
For the 2- and 5-year cohorts, the operative diagnosis was loosening/wear/osteolysis in 73% and 75%; dislocation/bone or prosthesis fracture/instability or non-union in 17% and 15%; and failed prior arthroplasty with components removed/infection in 11% and 11%, respectively. In multivariable-adjusted analyses that included preoperative ADL limitations, compared to patients with loosening/wear/osteolysis, patients with dislocation/fracture/instability/non-union had OR of 2.2 (95% CI, 1.3-3.5; p = 0.002) for overall moderate-severe ADL limitation and those with failed prior arthroplasty/infection had OR of 1.6 (95% CI, 1.0-2.8; p = 0.06). At 5-years, ORs were lower and differences were no longer significant. Moderate-severe pain did not differ significantly by diagnosis, at 2- or 5-years in multivariable adjusted analyses, with one exception, i.e. failed prior arthroplasty/infection had a trend towards significance with odds ratio of 1.9 (95% CI, 0.9-3.8; p = 0.07).
CONCLUSIONS:
Operative diagnosis is independently associated with ADL limitations, but not pain, at 2-years after revision THA. Patients should be informed of the risk of poorer short-term outcomes based on their diagnosis.
AuthorsJasvinder A Singh, David G Lewallen
JournalBMC musculoskeletal disorders (BMC Musculoskelet Disord) Vol. 14 Pg. 210 (Jul 17 2013) ISSN: 1471-2474 [Electronic] England
PMID23866848 (Publication Type: Journal Article, Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov't)
Topics
  • Aged
  • Arthroplasty, Replacement, Hip (adverse effects)
  • Body Mass Index
  • Female
  • Hip Joint (pathology, surgery)
  • Hip Prosthesis
  • Humans
  • Logistic Models
  • Male
  • Odds Ratio
  • Pain, Postoperative
  • Patient Satisfaction
  • Postoperative Complications (diagnosis, epidemiology, etiology)
  • Prospective Studies
  • Prosthesis Failure (etiology)
  • Registries
  • Reoperation (statistics & numerical data)
  • Self Report
  • Surveys and Questionnaires
  • Treatment Outcome

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