Results of a Hydroxyapatite-Coated Modular Femoral Stem in Primary Total Hip Arthroplasty. A Minimum 5-Year Follow-Up

Abstract The use of a modular metaphyseal-diaphyseal femoral stem in primary total hip arthroplasty is infrequent. We analyze 94 ESOP (Fournitures Hospitalieres, Heimsbrunn, France) cementless 2-piece modular stems after a minimum 5 years of follow-up. There were 2 aseptic femoral stem loosenings an...

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Bibliographic Details
Published in:The Journal of arthroplasty 2008-12, Vol.23 (8), p.1132-1139
Main Authors: Garcia-Rey, Eduardo, MD, PhD, Muñoz, Teresa, MD, Montejo, Jorge, MD, Martinez, Javier, MD
Format: Article
Language:English
Subjects:
Adult
Aged
Arthroplasty, Replacement, Hip - instrumentation
Arthroplasty, Replacement, Hip - methods
Durapatite
femoral stem
Femur Neck - diagnostic imaging
Femur Neck - surgery
Follow-Up Studies
Hip Joint - diagnostic imaging
Hip Joint - surgery
Humans
hydroxyapatite
Kaplan-Meier Estimate
Longitudinal Studies
Middle Aged
Orthopedics
primary total hip arthroplasty
Prosthesis Design
Radiography
Retrospective Studies
Treatment Outcome
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Summary:Abstract The use of a modular metaphyseal-diaphyseal femoral stem in primary total hip arthroplasty is infrequent. We analyze 94 ESOP (Fournitures Hospitalieres, Heimsbrunn, France) cementless 2-piece modular stems after a minimum 5 years of follow-up. There were 2 aseptic femoral stem loosenings and no cases with thigh pain. Mean femoral canal filling was 90%. Radiographic ingrowth was obtained in 83 ( P < .001). At 7 years, the survival rate for femoral aseptic loosening was 97.8% and no stem was at risk for revision (95% confidence interval, 94.8%-100%). This prosthesis provides good clinical results with absence of pain and excellent radiographic results. It is an option in femora with good bone quality. Femoral osteopenia and cortical widening were infrequent, and the modular metaphyseal-diaphyseal junction was not a problem in vivo.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2007.10.012