Femoral anteversion and neck-shaft angles in hip instability in cerebral palsy

A consecutive sample of 411 hip roentgenograms in 215 patients with cerebral palsy was evaluated. Femoral anteversion and neck-shaft angles were measured and compared with hip stability indexes to determine which of the two angles is more important in hip instability. The correlation coefficients we...

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Bibliographic Details
Published inJournal of pediatric orthopaedics Vol. 14; no. 6; p. 719
Main Authors Laplaza, F J, Root, L
Format Journal Article
LanguageEnglish
Published United States 01.11.1994
Subjects
Adolescent
Adult
Cerebral Palsy - pathology
Cerebral Palsy - physiopathology
Child
Child, Preschool
Female
Femur - pathology
Femur Neck - pathology
Hip Joint - physiopathology
Humans
Joint Instability - physiopathology
Male
Walking - physiology
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Summary:A consecutive sample of 411 hip roentgenograms in 215 patients with cerebral palsy was evaluated. Femoral anteversion and neck-shaft angles were measured and compared with hip stability indexes to determine which of the two angles is more important in hip instability. The correlation coefficients were higher and statistically significant for femoral anteversion and lower and statistically nonsignificant for neck-shaft angles. These findings suggest that increased femoral anteversion has greater correlation than increased coxa valga with hip instability in cerebral palsy patients and therefore should be addressed primarily when surgically treating these hips.
ISSN:0271-6798
DOI:10.1097/01241398-199414060-00006