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Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_13 | Pages 14 - 14
1 Oct 2018
Pellegrini V Martin BI Magder L Franklin P
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Introduction

Several surgical approaches are available for elective total hip arthroplasty (THA) for osteoarthritis. While posterior surgical approaches are the most common, interest in a direct anterior (Hueter) approach is increasing because of alleged advantages in convalescence. However, no studies have examined differences in patient-reported global and condition-specific measures of health across multiple institutions. The ongoing Pulmonary Embolism Prevention after Hip and Knee Replacement (PEPPER) study is a PCORI-funded multicenter pragmatic clinical trial randomizing patients to three different antithrombotic regimens. We analyzed operative data from PEPPER to compare pre-post changes in validated patient-reported outcome measures after THA based on surgical approach.

Methods

Participants (age 21 or older) were recruited from 27 academic medical centers for the PEPPER trial. Eligibility screening, baseline measures, and operative detail were entered into a central database with standardized blinded post-operative data collection protocol. We included participants undergoing elective primary total hip arthroplasty, excluding those undergoing revision, resurfacing, bilateral procedures, on chronic preoperative anticoagulation, with a recent history of gastrointestinal, cerebral, or other hemorrhage, defective hemostasis, or uncontrolled hypertension. Participating centers reported the operative approach as “Posterior”, “Transgluteal”, or “Anterior”. The brief version of the Hip Dysfunction and Osteoarthritis Outcome Score (HOOS Jr.) and the Patient Reported Outcome Measurement Information System Global Survey (PROMIS10) were ascertained pre-operatively, and at 1, 3 and 6 months post-operatively. Mixed-effects linear regression was used to compare difference in patient-reported outcomes over time based on surgical approach, adjusting for baseline measures of health outcome, patient age, sex, race, ethnicity, BMI, comorbidity, education, work status, alcohol use, and smoking status.