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SAT0335 Medical Comorbidity is Associated with Persistent Index Hip Pain after Primary THA
  1. J. A. Singh1,
  2. D. Lewallen2
  1. 1Birmingham VA Medical center and University of Alabama at Birmingham, Birmingham
  2. 2Mayo clinic, Rochester, United States

Abstract

Background Pain is the #1 reason for patients with end-stage arthritis to undergo hip arthroplasty. More insights into factors that predict suboptimal pain outcomes after hip arthroplasty are needed to improve patient outcomes after total hip arthroplasty (THA)

Objectives To characterize whether medical comorbidity predicts persistent moderate-severe pain after total hip arthroplasty (THA)

Methods We analyzed the prospectively collected data from the Mayo Clinic Total Joint Registry for patients who underwent primary or revision THA between 1993-2005. Using multivariable-adjusted logistic regression analyses, we examined whether certain medical comorbidities were associated with persistent moderate-severe hip pain 2- or 5-years after primary or revision THA. Odds ratios (OR), along with 95% confidence intervals (CI) and p-value are presented.

Results The primary THA cohort consisted of 5.707 THAs and 3,289 THAs at 2- and 5-years, and revision THA, 2.687 and 1,627 THAs, respectively. In multivariable-adjusted logistic regression models, in the primary THA cohort, renal disease was associated with lower odds of moderate-severe hip pain (OR, 0.6; 95% CI, 0.3, 1.0) at 2-years. None of the comorbidities were significantly associated at 5-years. In the revision THA cohort, heart disease was significantly associated with higher risk (OR, 1.7; 95% CI, 1.1, 2.6) at 2-years and connective tissue disease with lower risk (OR, 0.5; 95% CI, 0.3, 0.9) of moderate-severe hip pain at 5-years follow-up.

Conclusions This study identified new correlates of moderate-severe hip pain after primary or revision THA, a much-feared outcome of hip arthroplasty. Patients with these comorbidities should be informed regarding the increased risk or moderate-severe index hip pain, so that they can have a fully informed consent and realistic expectations.

Disclosure of Interest None Declared

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