Journal of Orthopaedics Trauma Surgery and Related Research

Journal of Orthopaedics Trauma Surgery and Related Research

An Official Journal of Polish Society of Orthopaedics and Traumatology

ISSN:1897-2276
e-ISSN: 2449-9145

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The majority of conversion total hip arthroplasties can be considered a primary replacement- a matched cohort study

Author(s): Soufiane Aharram*, Mounir Yahyaoui, Jawad Amghar, Omar Agoumi and Abdelkarim Daoudi

Background and study aim: The success of conversion Total Hip Arthroplasty (THA) among primary THA and revision THA remains unclear. We hypothesized that most conversion THA’s can be performed using primary implants and will have an uncomplicated post-operative course.

Materials and methods: Thirty-six patients (23 females, mean age 68,0 years) who underwent conversion THA for failed interventions for proximal femur fractures in the period 2008-2018 were matched sequentially against patients of the same sex and age who underwent primary THA or revision THA. Data was collected on implants used, major complications, and mortality. PROMs used included the Western Ontario and McMaster Osteoarthritis Index, Harris Hip Score, Visual Analogue Scale and the EQ-5D Health Questionnaire.

Results: Seventy-two percent of patients who underwent conversion THA were treated with primary implants and never suffered from a major complication. PROMs were excellent for this group of patients. The distinction primary/conversion/revision THA could not explain differences in outcomes, however the necessity of using revision implants and the development of major complications could.

Conclusion: The majority of conversion total hip arthroplasties can be considered a primary replacement. Predicting outcomes for THA should focus on patient frailty and technical difficulties dealing with infection, stability and loss of bone stock and should discard the conversion versus revision terminology.

Keywords

proximal femur fracture, total hip arthroplasty, conversion, primary, revision, matched cohort study


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Annals of Medical and Health Sciences Research Journal of Orthopaedics Trauma Surgery and Related Research a publication of Polish Society, is a peer-reviewed online journal with quaterly print on demand compilation of issues published.
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