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Dev Med Child Neurol. 2002 Mar;44(3):177-80.

Use of a lying hip abduction system in children with bilateral cerebral palsy: a pilot study.

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  • 1Ronnie Mac Keith Child Development Centre, Derbyshire Children's Hospital, Derby, UK.


Fourteen children aged 4 to 14 years with hip subluxation due to cerebral palsy (CP) were considered for a trial in a lying hip abduction system (Jenx Dreama, Jenx Limited, Sheffield, UK). Baseline data were recorded for 6 months, then assessments of the system were made for one year at 6 and 12 months. Assessments consisted of hip radiographs in the standard position, a parental questionnaire, and a sleep chart, which was completed by parents every Friday night during the trial. Three children could not enter the trial because of general sleep problems, and three could not complete it because they were unable to sleep with the system. One further child withdrew from the study just before the end because of unacceptable deterioration for which surgery was needed. The remaining seven children completed the trial and there was an overall improvement in rate of hip migration percentage on the right from 7% per annum in the baseline period to 4% with the system (p<0.05). On the left, changes were -3% and 0% respectively (ns). Average sleep at night changed from 9 to 9.4 hours (ns) and wakenings/night from 1 to 1.3 (ns). On the parental questionnaire, there were significant improvements noted with the system in position for seating and sleeping, ease of hip abduction for washing, and with pain reduction. This pilot study supports the use of this type of lying system but further studies are needed to establish the acceptability and efficacy of these systems, particularly in children aged 2 to 5 years when irreversible bony deformities of the hip tend to occur.

[PubMed - indexed for MEDLINE]
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