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Functional results of iliopsoas transfer in myelomeningocele hip dislocations
Insights
Surgical treatment for paralytic hip dislocations in children with myelomeningocele had limited success. Functional outcomes were more influenced by spinal lesion level and lower extremity alignment than hip reduction status.
Area of Science:
- Pediatric Orthopedics
- Spinal Cord Injury Research
- Rehabilitative Medicine
Background:
- Paralytic hip dislocations are a common complication in children with myelomeningocele.
- Surgical interventions aim to improve hip stability and patient function.
- Outcomes of these interventions can be variable.
Purpose of the Study:
- To evaluate the effectiveness of surgical treatments for paralytic hip dislocations in children with myelomeningocele.
- To identify factors influencing functional outcomes in this patient population.
Main Methods:
- Retrospective review of 37 children with myelomeningocele and paralytic hip dislocations.
- Surgical treatments included open reduction, iliopsoas tendon transfer, and other hip procedures.
- Functional outcomes and hip reduction maintenance were assessed at follow-up.
Main Results:
- Less than half of the patients achieved community ambulation and maintained hip reduction.
- The level of the spinal lesion was a significant factor in functional outcomes.
- Lower extremity alignment and the presence of scoliosis/pelvic obliquity also impacted function.
- Hip reduction status was less critical for overall function than other factors.
Conclusions:
- Surgical management of paralytic hip dislocations in myelomeningocele yields suboptimal results regarding ambulation and reduction maintenance.
- Functional outcomes are predominantly determined by the severity of the spinal defect and associated musculoskeletal deformities.
- Focusing on spinal lesion level, limb alignment, and scoliosis management may be more critical for improving function than isolated hip surgery.
Abstract:
Paralytic hip dislocations in 37 children with myelomeningoceles have been treated by open reduction, iliopsoas tendon transfer and various other procedures about the hip. At follow-up, less than half the patients were community ambulators and had maintained their reductions. The level of the spinal lesion, alignment of the lower extremities in relation to the trunk and pelvis and the presence of scoliosis including pelvic obliquity were more important factors in determining the patient's degree of function than the status of the hip reduction.