May 22, 2020
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Age, BMI and workers’ compensation can help predict revision hip arthroscopy and THA

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Predictors for conversion to total hip arthroplasty and revision hip arthroscopy procedures include age, BMI and workers’ compensation, according to published results.

The retrospective review consisted of 1,118 hip arthroscopy patients (mean age of 38.7 years) from 2008 to 2015. After exclusions, 246 patients remained, with 122 patients converted to THA and 124 patients undergoing revision hip arthroscopy.

“Multivariate analysis for predictors of total hip arthroplasty found age at surgery (hazard ratio, 1.064/y; P<.05), body mass index (nonlinear; P<.05), labral debridement (HR, 1.558; P=.03), and notchplasty (HR, 2.128; P<.05), with trochanteric bursectomy (HR, 0.367; P<.05) identified as associated with higher survivorship,” the researchers wrote in the abstract.

“Multivariate analysis for predictors of revision surgery found workers’ compensation (HR, 3.352; P<.05), capsular repair (HR, 1.950; P<.05), and femoral head microfracture (HR, 2.844; P=.04) to be significant, with age at date of surgery (HR, 0.973/y; P<.05) and femoral head chondroplasty (HR, 0.241; P=.05) associated with higher survivorship,” the researchers wrote.

Knowledge of risk factors can help when discussing THA and revision hip arthroplasty predictors with patients, the researchers concluded. – by Max R. Wursta

Disclosure: Hammarstedt reports no relevant financial disclosures.