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A preliminary report of patellofemoral arthroplasty in isolated patellofemoral arthritis / 中华医学杂志(英文版)
Chinese Medical Journal ; (24): 3020-3023, 2010.
Artículo en Inglés | WPRIM | ID: wpr-285737
ABSTRACT
<p><b>BACKGROUND</b>Isolated patellofemoral osteoarthritis is not uncommon. Surgical treatment of isolated patellofemoral arthritis remains controversial and poses a challenging treatment dilemma. The present study aimed to evaluate the short-term results of patellofemoral arthroplasty for patients with isolated patellofemoral osteoarthritis.</p><p><b>METHODS</b>We analyzed 11 patellofemoral arthroplasties performed from March 2006 to September 2009 in 11 patients with isolated patellofemoral arthritis. The patients comprised 2 males and 9 females with an average age of 53.7 years (range, 46 - 74 years). Standard weightbearing radiographs were taken in the anteroposterior, lateral, and 45° axial views. The knee pain and functional status were evaluated by the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scales and American Knee Society (AKS) scores. For comparison, 23 total knee arthroplasties in 23 patients with primary tibiofemoral osteoarthritis were matched according to age, gender, bilaterality and body mass index. The duration of follow-up was 23.7 months (range, 12 - 47 months).</p><p><b>RESULTS</b>The majority of the 11 patients experienced improvement in their patellofemoral symptoms after patellofemoral arthroplasty. The WOMAC scores improved considerably by 7.4 points with respect to pain and by 5.2 points with respect to function. The AKS scores also improved considerably by 23.9 points with respect to pain and 44.3 points with respect to function. Although the clinical outcomes after patellofemoral arthroplasty were not better than those after total knee arthroplasty, patellofemoral arthroplasty exhibited advantages in the shorter operation time, lower blood loss and increased postoperative range of motion. At the latest follow-up, there was no clinical or radiographic evidence of patellofemoral maltracking, loosening or wear.</p><p><b>CONCLUSIONS</b>On the basis of our experience in this relatively small series of patients with a short-term follow-up, patellofemoral arthroplasty is an effective treatment alternative to total knee arthroplasty in isolated patellofemoral arthritis. MRI and arthroscopy may contribute to define those patients with isolated patellofemoral degeneration.</p>
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Cirugía General / Diagnóstico por Imagen / Radiografía / Resultado del Tratamiento / Artroplastia de Reemplazo de Rodilla / Osteoartritis de la Rodilla / Síndrome de Dolor Patelofemoral / Métodos Tipo de estudio: Estudio diagnóstico Límite: Anciano / Femenino / Humanos / Masculino Idioma: Inglés Revista: Chinese Medical Journal Año: 2010 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Cirugía General / Diagnóstico por Imagen / Radiografía / Resultado del Tratamiento / Artroplastia de Reemplazo de Rodilla / Osteoartritis de la Rodilla / Síndrome de Dolor Patelofemoral / Métodos Tipo de estudio: Estudio diagnóstico Límite: Anciano / Femenino / Humanos / Masculino Idioma: Inglés Revista: Chinese Medical Journal Año: 2010 Tipo del documento: Artículo