Hip displacement in children with cerebral palsy in Scotland : a total population study
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Purpose: The purpose of this study is to report the number of children from a total population of children with cerebral palsy (CP) in Scotland who had a displaced or dislocated hip at first registration in a national surveillance programme. Methods: Migration percentage (MP), laterality, Gross Motor Function Classification System (GMFCS) level, CP subtype, distribution of CP and age were analyzed in 1171 children. Relative risk was calculated with 95% confidence intervals. Hip displacement and dislocation were defined as a MP of 40 to 99 and > 100 respectively. Results: Radiographs were available from the first assessment of 1171 children out of 1933 children registered on the system. In all, 2.5% of children had either one or both hips dislocated (29/1171) and dislocation only occurred in children of GMFCS levels IV and V. A total of 10% of children had a MP 40 to 99 in one or both hips (117/1171). An increasing GMFCS level was strongly associated with an abnormal MP. Hip dislocation was unusual in patients under the age of seven years. A MP of 40 to 99 was not seen in children with isolated dystonia. Displacement was more frequent in children with bilateral involvement and dislocation was only seen in spastic and mixed tone groups. Conclusion: This data gives an overview of the number of CP children who have hip displacement/dislocation in Scotland and who will possibly require surgery.
Bugler , K E , Gaston , M S & Robb , J E 2018 , ' Hip displacement in children with cerebral palsy in Scotland : a total population study ' , Journal of Children's Orthopaedics , vol. 12 , no. 6 , pp. 635-639 . https://doi.org/10.1302/1863-2548.12.180106
Journal of Children's Orthopaedics
Copyright © 2018, The author(s). This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (CC BY-NC 4.0) licence (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed.
DescriptionThe authors are grateful to the Scottish Government, The Robert Barr Trust and Brooke’s Dream for the funding to set up CPIPS and to Edinburgh Children’s Hospital Charity, for continuing funding.
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