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The Effect of Obturator Nerve Block on Hip Lateralization in Low Functioning Children with Spastic Cerebral Palsy

 Eun Sook Park  ;  Dong-Wook Rha  ;  Won Chul Lee  ;  Eun Geol Sim 
 YONSEI MEDICAL JOURNAL, Vol.55(1) : 191-196, 2014 
Journal Title
Issue Date
Cerebral Palsy/drug therapy* ; Child ; Child, Preschool ; Ethanol/therapeutic use ; Female ; Humans ; Male ; Muscle Spasticity/drug therapy ; Nerve Block/methods* ; Obturator Nerve/drug effects* ; Retrospective Studies
Cerebral palsy ; hip dislocation ; nerve block ; obturator nerve
PURPOSE: Hip adductor spasticity has a great impact on developing hip displacement in children with cerebral palsy (CP). Obturator nerve (ON) block is less invasive intervention rather than soft tissue surgery for reduction of hip adductor spasticity. The aim of this study is to investigate the effect of ON block on hip lateralization in low functioning children with spastic CP. MATERIALS AND METHODS: The study was performed by retrospective investigation of the clinical and radiographic follow-up data of low functioning children [gross motor function classification system (GMFCS) level III to V] with spastic cerebral palsy whose hip was subluxated. Migration percentage (MP) was measured on hip radiographs and its annual change was calculated. In intervention group, ON block was done with 50% ethyl alcohol under the guidance of electrical stimulation. RESULTS: The data of 49 legs of 25 children for intervention group and the data of 41 legs of 23 children for nonintervention group were collected. In intervention group, the MP were significantly reduced at 1st follow-up and the MPs at 2nd and last follow-up did not show significant differences from initial MP. Whereas in nonintervention group, the MPs at 1st, 2nd and last follow-up were all significantly increased compared to initial MPs. CONCLUSION: ON block with ethyl alcohol is useful as an early effective procedure against progressive hip displacement in these children with spastic CP.
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1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실) > 1. Journal Papers
Yonsei Authors
Rha, Dong Wook(나동욱) ORCID logo https://orcid.org/0000-0002-7153-4937
Park, Eun Sook(박은숙) ORCID logo https://orcid.org/0000-0002-9144-3063
Sim, Eun Geol(심은결)
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