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Chiari osteotomy in cerebral palsy.
J Osterkamp1, J T Caillouette, M M Hoffer
1Rancho Los Amigos Hospital, Downey, California 90242.
Journal of Pediatric Orthopedics
|May 1, 1988
Summary
Chiari osteotomies effectively treated hip subluxation or dislocation in cerebrospastic patients, with most experiencing painless, stable hips post-surgery. Failures were linked to significant pelvic obliquity.
Area of Science:
- Orthopedic surgery
- Pediatric orthopedics
- Cerebral palsy research
Background:
- Cerebral palsy often leads to hip instability, including subluxation and dislocation.
- Surgical interventions are necessary to manage hip deformities in these patients.
Purpose of the Study:
- To evaluate the long-term outcomes of Chiari osteotomy in treating hip subluxation or dislocation in patients with cerebral palsy.
Main Methods:
- A retrospective review of 13 Chiari osteotomies performed on 12 patients with cerebrospastic conditions.
- Post-operative assessment of hip stability and pain at 24-80 months follow-up.
Main Results:
- Ten out of twelve hips (83%) achieved painless and stable positioning.
- Two cases (17%) resulted in failure, with redislocation attributed to severe pelvic obliquity.
Conclusions:
- Chiari osteotomy is a viable surgical option for hip subluxation/dislocation in cerebrospastic patients.
- Pre-existing pelvic obliquity may be a risk factor for surgical failure.