Short-term difference only in reported outcomes (PROMs) after anterior or posterior approach to total hip arthroplasty: a 4-year prospective multi-centre observational study

D. Yin Lin, Anthony J. Samson, Matthew G. Cehic, Brigid Brown, Billingsley Kaambwa, Christopher Wilson, Hidde M. Kroon, Ruurd L. Jaarsma

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)
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Abstract

Background: The direct anterior approach (DAA) in total hip arthroplasty (THA) may demonstrate better functional recovery compared to the posterior approach (PA). 

Methods: In this prospective multi-centre study, patient-related outcome measures (PROMs) and length of stay (LOS) were compared between DAA and PA THA patients. The Oxford Hip Score (OHS), EQ-5D-5L, pain and satisfaction scores were collected at four perioperative stages. 

Results: 337 DAA and 187 PA THAs were included. The OHS PROM was significantly better in the DAA group at 6 weeks post-operatively (OHS: 33 vs. 30, p = 0.02, EQ-5D-5L: 80 vs. 75, p = 0.03), but there were no differences at 6 months and at 1 year. EQ-5D-5L scores were similar between both groups at all time points. LOS as inpatient was significantly different, in favour of DAA [median 2 days (IQR 2–3) vs. PA 3 (IQR 2–4), p ≤ 0.0001].

Conclusions: Patients undergoing DAA THA have shorter LOS and report better short-term Oxford Hip Score PROMs at 6 weeks, but DAA did not convey long-term benefits over PA THA.

Original languageEnglish
Article number119
Number of pages7
JournalJournal of Orthopaedic Surgery and Research
Volume18
Issue number1
DOIs
Publication statusPublished - 17 Feb 2023

Keywords

  • Total hip arthroplasty (THA)
  • Recovery
  • Patient outcomes

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