The Impact of Travel Distance on Patient-Reported Outcomes Following Primary Total Hip Arthroplasty.

Background: Total hip arthroplasties (THAs) are increasingly being performed at high-volume centers, causing some patients to travel further distances to receive care. Concerns remain that increased travel distance limits follow-up, which may impact outcomes and early return to the hospital. The purpose of this study is to evaluate the impact of travel distance on 90-day patient-reported outcomes (PROs) and 90-day complication rates.
Methods: Patients undergoing inpatient primary THA at a single center by one of three surgeons between 2017 and 2021 were retrospectively reviewed. Patients whose local and distant medical records were available were included. Patients who lived ≥ 40 miles from the location or follow-up were labeled as "travelers," and those < 40 miles were "locals." Primary outcomes included PROs as measured by Veterans Rand 12 Item Health Survey, Harris Hip Score, and Hip Dysfunction and Osteoarthritis Outcome Score for Joint Replacement. Secondary outcomes included rates of 90-day medical complications, emergency department visits, unplanned readmissions, and reoperations.
Results: A total of 413 patients were analyzed at a mean of 897.1 days (range, 92 to 2,196) including 96 travelers. Travelers averaged 96.1 miles for follow-up (range, 40.1 to 678 miles), and locals averaged 14.1 miles for follow-up (range, 0.3 to 39.8 miles). There were no differences in the percentage of patients achieving minimal clinically important difference in PROs. There was no difference in the rate of 90-day medical complications, 90-day readmissions, and reoperations. Local patients were significantly more likely to have unplanned postoperative emergency department visits (travelers = 0%, locals = 7.4%, P = 0.003).
Conclusions: Travelers did not demonstrate any significant differences with respect to rates of achieving minimal clinically important difference in PROs or 90-day complication rates. These data suggest that increased travel distance to treatment centers does not impact outcomes following primary THA.
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