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Congenital knee dislocation. Therapeutic protocol and long-term functional results
J Salvador Marín1, C Miranda Gorozarri2, R M Egea-Gámez2
1Servicio de Cirugía Ortopédica y Traumatología, Hospital Universitario Sant Joan d'Alacant, Sant Joan d'Alacant, Alicante, España.
Summary
A protocol for congenital knee dislocation (CKD) management in children shows excellent long-term outcomes. This rare condition, treated conservatively initially, resulted in good function and few complications.
Area of Science:
- Pediatric Orthopedics
- Congenital Abnormalities
- Knee Biomechanics
Background:
- Congenital knee dislocation (CKD) is a rare birth defect characterized by knee recurvatum.
- Optimal treatment strategies for CKD remain undefined, lacking established consensus.
- This study evaluates a specific therapeutic protocol for managing CKD in a pediatric orthopaedic center.
Purpose of the Study:
- To analyze the functional results and long-term complications of a defined management protocol for congenital knee dislocation.
- To assess the efficacy of a standardized treatment approach in a rare pediatric orthopaedic condition.
- To provide insights into the long-term outcomes of congenital knee dislocation management.
Main Methods:
- Retrospective descriptive study of 9 patients (11 knees) with CKD from 1997-2010.
- Patients followed a specific protocol (CRPL) involving serial casting, with surgery reserved for specific indications.
- Demographic data, treatment type, functional outcomes (Lysholm, WOMAC), complications, and recurrences were analyzed.
Main Results:
- Conservative treatment was initiated in all cases; 36% ultimately required surgery.
- High average Lysholm score (90.3) and low WOMAC scores for pain (0.4), stiffness (1.8), and function (3.8) were reported.
- Average follow-up was 15 years, with no recurrences observed.
Conclusions:
- The implemented protocol for congenital knee dislocation (CKD) demonstrates favorable long-term functional results.
- This management approach appears to minimize complications and prevent recurrences in pediatric patients.
- The findings support the use of this specific protocol for rare cases of congenital knee dislocation.
