Open reduction and soft tissue correction of a congenitally dislocated knee
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Congenital dislocation of the knee (CDK) is rare occurring in 1 in 100,000 live births. Approximately 50% of cases are associated with other conditions including myelodysplasia, arthrogryposis and Larsen’s syndrome.
The severity of the condition is fairly variable. Milder cases can often be managed with serial casting where as the most severe cases require aggressive lengthening of the quadriceps extensor mechanism and an open release of the knee joint, which is shown in the case detailed here.
Surgery is best performed before 1 year of age and patients with associated syndromes will generally have a poorer prognosis.
Author:Christopher Edward Bache FRCS (Tr & Orth)
Institution: The Royal Orthopaedic Hospital, Birmingham, UK.