Short and Mid-term Outcomes and Functional Results in Metal-on-metal Hip Resurfacing Arthroplasty at 5 Years Follow-up: the Spanish Experience

Overview

Journal BMC Musculoskelet Disord

Publisher Biomed Central

Specialties Orthopedics
Physiology

Date 2019 Apr 18

PMID 30992064

Citations 2

Authors

Olga S Perez-Moro

Marcos E Fernandez-Cuadros

Inmaculada Neira-Borrajo

Eduvigis Aranda-Izquierdo

Maria J Albaladejo-Florin

Rafael Llopis-Miro

Affiliations

Soon will be listed here.

Abstract

Background: Hip resurfacing arthroplasty (HRA) and in particular, Birmingham hip resurfacing (BHR), is commonly employed as an alternative to total hip arthroplasty (THA) in young patients, as it allows for preservation of femoral bone stock and resumption of physical activity. The aim of our study was to investigate 5-year survival and functional outcomes of BHR arthroplasty in young Spanish osteoarthritis (OA) patients.

Methods: This is an observational, prospective, cohort study of patients who underwent BHR between June 2005 and December 2009 at a Spanish public hospital with a minimum follow-up of 5 years. All surgeries were performed by a single surgeon (RLM). Survival was analyzed using the Kaplan-Meier method. Functional outcomes and return to work and physical activities were also assessed.

Results: Five-year survival rate of the prosthesis was 95.74% (95% CI: 95.77-98.07), and estimated 10-year survival was 92.92% (95% CI: 85.07-96.72). Harris hip score significantly increased from 41.13 to 97.63 (p < 0.001) at 5-year follow-up. Average time for returning to work and sporting activities was 3.89 (SD: 2.39) and 3.47 (SD: 1.18) months respectively. Failure occurred in 14 patients, 8 of whom experienced femoral neck fractures.

Conclusions: Our data support the short and mid-term efficacy of BHR arthroplasty in young OA patients, indicating good implant survival, improvement in patients' functionality and a swift return to work and physical activities after surgery.

Citing Articles

What is the long-term survivorship, complication profile, and patient reported outcomes after Birmingham hip resurfacing?.

Fong S, Shah A, Hecht C, Kamath A J Orthop. 2024; 55:134-148.

PMID: 38706587 PMC: 11063114. DOI: 10.1016/j.jor.2024.04.016.

Bone Density Micro-CT Assessment during Embedding of the Innovative Multi-Spiked Connecting Scaffold in Periarticular Bone to Elaborate a Validated Numerical Model for Designing Biomimetic Fixation of Resurfacing Endoprostheses.

Uklejewski R, Winiecki M, Patalas A, Rogala P Materials (Basel). 2021; 14(6).

PMID: 33809176 PMC: 8000753. DOI: 10.3390/ma14061384.

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