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Direct lateral vs posterolateral approach to hemiarthroplasty for femoral neck fractures
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Orthopaedics.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Orthopaedics.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Orthopaedics.
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2016 (English)In: Orthopaedics & Traumatology: Surgery & Research, ISSN 1877-0568, E-ISSN 1877-0568, Vol. 102, no 8, 1049-1054 p.Article in journal (Refereed) Published
Abstract [en]

INTRODUCTION: Adopting the direct lateral (DL) instead of the posterolateral (PL) approach in hip arthroplasty for femoral neck fracture (FNF) patients could lower the rate of prosthetic dislocation. However, little is known about how the approach influences the functional outcome.

HYPOTHESIS: We hypothesized that both approaches would give comparable results.

MATERIAL AND METHODS: In a prospective cohort study, we enrolled 185 hips (183 patients, 128 women, median age 84 years) with a displaced FNF. Subjects were assigned to treatment using DL (n=102) or PL approach (n=83) with a hemiarthroplasty (HA). Functional outcome was assessed by Harris Hip Score (HHS), Western Ontario and McMaster Universities Arthritis (WOMAC) index, pain numeric rating scale (PNRS) for pain, mortality and hip complications. Patients were followed-up after 1 year.

RESULTS: The HHS was 71 (SD 18) in the DL group and 72 (SD 17) in the PL group (P=0.59). We found no difference in WOMAC, PNRS and mortality. Seven patients (6.9%) in the DL group and 11 patients (13.3%) in the PL group had undergone a major reoperation (adjusted OR 0.51; 95% CI, 0.18-2.07; P=0.23).

DISCUSSION: In this prospective cohort study, patients treated with HA for FNF using either the DL or PL approaches had comparable functional outcome after 1 year. The PL approach had a tendency towards a higher reoperation rate.

TYPE OF STUDY: Prospective cohort study.

LEVEL OF PROOF: Level 2.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 102, no 8, 1049-1054 p.
Keyword [en]
Femoral neck fracture, Surgical approach, Direct lateral, Posterolateral, Function, Complications
National Category
Orthopedics Surgery
Identifiers
URN: urn:nbn:se:umu:diva-129430DOI: 10.1016/j.otsr.2016.08.017ISI: 000389540700016PubMedID: 27863919OAI: oai:DiVA.org:umu-129430DiVA: diva2:1060213
Available from: 2016-12-28 Created: 2016-12-28 Last updated: 2017-01-10Bibliographically approved

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Mukka, SebastianMahmood, SarwarKadum, BakirSayed-Noor, Arkan
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