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Revista de la Asociación Argentina de Ortopedia y Traumatología

versión On-line ISSN 1852-7434


MASQUIJO, Julio Javier; INNOCENTI, Sergio  y  BARONI, Eduardo. Congenital dislocation of the patella: surgical treatment with Stanislavljevic technique. Rev. Asoc. Argent. Ortop. Traumatol. [online]. 2009, vol.74, n.3, pp. 237-241. ISSN 1852-7434.

Background: Congenital dislocation of the patella is a rare condition. Controversy exists regarding treatment. Some authors recommend observation alone while others recommend early surgical intervention. Methods: We analyzed retrospectively 8 consecutive patients (8 knees) surgically treated for congenital dislocation of the patella between 1993 and 2006, followed up for at least 12 months post-op. Mean age was 7.8 years. Mean follow-up was 67 months (range: 7-173 months). All patients had fixed painful lateral dislocation of the patella that could not be reduced by closed means, associated with valgus and fixed flexion contracture of the knee. Five patients presented associated syndromes. Results: In the last follow-up, all patients had increased tolerance to activity and pain relief. The extension lag improved in all but two patients (oldest patients in the series). There were no postoperative complications or redislocation of the patella. Conclusions: Stanisavljevic's surgical technique of extensive quadriceps release and derotation yielded satisfactory results. A more limited procedure may suffice in moderately severe cases. Surgical treatment should be approached early to achieve better results.

Palabras clave : Congenital dislocation; Patella; Surgical management.

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