Hybrid total hip arthroplasty for multiple epiphyseal dysplasia - 24/04/18
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Abstract |
Background |
Multiple Ephiphyseal Dysplasia (MED) is a rare autosomal dominant skeletal dysplasia that causes deformation of the epiphysis of the involved joints. The hips are invariably affected and symptoms due to incapacitating early onset degenerative hip disease often begin between the second and fourth decade of life. Literature regarding the clinical and radiographical outcomes after total hip arthroplasty in this young population are very scarce.
Hypothesis in patients with multiple epiphyseal dysplasia and early onset degenerative hip disease, hybrid total hip arthroplasty is a safe and reliable procedure.
Patients and methods |
We followed 10 hybrid total hip arthroplasties in 6 patients with respect to the early and medium term complications. The average age at surgery was 32 years old (17 to 41). All stems were cemented polished straight tapered stems, all cups were porous coated uncemented cups. The mean duration of follow-up was 10.3 (7–14, SD2.8) years. Clinical outcomes were measured using the Charnley modification of the Merle d’Aubigné-Postel grading system and VAS-scores.
Results |
No early complications and no revisions occurred and patients significantly improved for pain, function and mobility. The Charnley, Merle d’Aubigné and Postel hip scores significantly improved from 9.6 points pre-operatively (range: 8–11 points) to 17 points (range: 16–18 points) and the VAS-score significantly improved after surgery from respectively 7 at rest and 8.5 during activity preoperatively to 1 at rest and 1.5 during activity postoperatively. Radiographic evaluation showed no cases of radiolucency around the cemented femoral components. No migration or subsidence of the components was noted. With regard to the acetabular component, osteolysis was noted in 4 hips, but serial radiographs showed no progression or migration of the component and the patients were completely pain free.
Conclusion |
Hybrid total hip arthroplasty is a viable treatment option in multiple epiphyseal dysplasia patients, with excellent mid-term clinical and radiographical outcomes.
Level of evidence |
Level IV, retrospective study.
El texto completo de este artículo está disponible en PDF.Keywords : Total hip arthroplasty, Hip dysplasia, Multiple ephiphyseal dysplasia
Esquema
Vol 104 - N° 3
P. 301-305 - mai 2018 Regresar al número
Artículo precedente
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- J. Girard, A. Lons, N. Ramdane, S. Putman
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Bienvenido a EM-consulte, la referencia de los profesionales de la salud.