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. 2023 Mar;143(3):1637-1642.
doi: 10.1007/s00402-022-04390-9. Epub 2022 Feb 24.

Total hip arthroplasty for hip fractures in patients older than 80 years of age: a retrospective matched cohort study

Jerry Arraut  1 , Mark Kurapatti  2 , Thomas H Christensen  2 , Joshua C Rozell  2 , Vinay K Aggarwal  2 , Kenneth A Egol  2 , Ran Schwarzkopf #  2
Affiliations

Total hip arthroplasty for hip fractures in patients older than 80 years of age: a retrospective matched cohort study

Jerry Arraut et al. Arch Orthop Trauma Surg. 2023 Mar.

Abstract

Introduction: Increasing age and hip fractures are considered risk factors for post-operative complications in total hip arthroplasty (THA). Consequently, older adults undergoing THA due to hip fracture may have different outcomes and require additional healthcare resources than younger patients. This study aimed to identify the influence of age on discharge disposition and 90-day outcomes of THA performed for hip fractures in patients ≥ 80 years to those aged < 80.

Materials and methods: A retrospective review of 344 patients who underwent primary THA for hip fracture from 2011 to 2021 was conducted. Patients ≥ 80 years old were propensity-matched to a control group < 80 years old. Patient demographics, length of stay (LOS), discharge disposition, and 90-day post-operative outcomes were collected and assessed using Chi-square and independent sample t tests.

Results: A total of 110 patients remained for matched comparison after propensity matching, and the average age in the younger cohort (YC, n = 55) was 67.69 ± 10.48, while the average age in the older cohort (OC, n = 55) was 85.12 ± 4.77 (p ≤ 0.001). Discharge disposition differed between the cohorts (p = 0.005), with the YC being more likely to be discharged home (52.7% vs. 27.3%) or to an acute rehabilitation center (23.6% vs. 16.4%) and less likely to be discharged to a skilled nursing facility (21.8% vs. 54.5%). 90-day revision (3.6% vs. 1.8%; p = 0.558), 90-day readmission (10.9% vs. 14.5%; p = 0.567), 90-day complications (p = 0.626), and 90-day mortality rates (1.8% vs 1.8%; p = 1.000) did not differ significantly between cohorts.

Conclusion: While older patients were more likely to require a higher level of post-hospital care, outcomes and perioperative complication rates were not significantly different compared to a younger patient cohort. Payors need to consider patients' age in future payment models, as discharge disposition comprises a large percentage of post-discharge expenses.

Level of evidence: Level III, Retrospective Cohort Study.

Keywords: Elderly; Hip fracture; Outcomes; Total hip arthroplasty.

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