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Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 249 - 250
1 Jul 2008
LAMPROPULOS M
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We present the case of an 8-year-old child with congenital multiple arthrogriphosis. The child had never walked and presented 80° fixed knee flexion and hips in a position of hyperrotation which enabled him to sit in a Buddha position. Talipes varus equin with non-reducible supination, compromised by rigid stiff upper limbs was resolved by multiple procedures and immobilization with an external fixator.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 250 - 250
1 Jul 2008
LAMPROPULOS M
Full Access

Purpose of the study: In the spastic quadriplegic non-ambulatory child, hip dislocation with severe adduction is a painful situation compromising perineal hygiene and local care as well as positioning in bed or wheel chair. We describe a method of treatment using Castle’s femoral resection-interposition arthroplasty and an external fixator to prevent proximal migration of the remnant femur.

Description: Resection of the proximal femur with articulated distraction of the hip using an external fixator was performed in eight children (11 hips) with cerebral palsy. All patients (five boys, three girls, mean age 15 years) had painful neurological disorders with chronic hip dislocation incompatible with the sitting position and compromising perineal hygiene.

The operation, described by Castle, consisted in subtrochanteric resection and suture of the quadriceps muscle around the femoral cut. The capsule detacted from the femur was closed around the acetabulum. The abductors were sutured between the shaft and the acetabulum in order to ensure interposition of enough soft tissue. An external fixator (Orthofix®) was installed for 90 days. This method has the advantage of producing the necessary distraction while allowing immediate mobility (hip extension flexion) and good balance in the sitting position as well as better perineal hygiene compared with the preoperative situation.

At six months, there was a clear clinical improvement in terms of pain relief, tolerance to the sitting position, and perineal hygiene with a significant increase in joint motion (flexion, extension, abduction). Proximal migration of the femur was observed in one case after removing the external fixator. There were no cases of recurrent adduction deformity, stiffness or bone hypertrophy.

Conclusion: Proximal resection of the femur with capsular interposition arthroplasty and articulated distraction with an external fixator decreases the pain of the dislocated spastic hip. This method is a reliable salvage alternative for painful hip dislocation in cerebral palsy children. Use of an articulated external fixator for the distraction enables immediate postoperative mobilization and the sitting position in a wheel chair, improving patient comfort compared with the classical Russell also described by Castle.