Hip flexion contracture and diminished functional outcomes in cerebral palsy

Joseph Ray Pinero, Rachel Y. Goldstein, Stephanie Culver, Craig A. Kuhns, David S. Feldman, Norman Y. Otsuka

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

BACKGROUND:: Hip flexion contracture (HFC) in the ambulatory child with cerebral palsy (CP) may impair function and lead to deteriorations in health-related quality of life. Furthermore, increasing HFC may lead to increasing disability. However, the association between passive range of motion and the measures of function and well-being is unclear. This study was designed to determine whether increasing HFC is associated with functional outcome. METHODS:: A total of 181 children, with an average age of 14.0±10.2 years, were evaluated as part of a multicenter prospective data collection of patients with ambulatory CP. Measurements of HFC were recorded, and patients were evaluated using walking score from Gillette Functional Assessment Questionnaire (FAQ), Gross Motor Function Measure (GMFM), and the Pediatric Outcome Data Collection Instrument (PODCI). Patients were grouped on the basis of severity of HFC: group A, 0 to 14 degrees; group B, 15 to 29 degrees; and group C ≥30 degrees. Associations were examined using the Spearman correlation. RESULTS:: There was an inverse association between degree of HFC and FAQ walking score (P<0.01, ρ=-0.25). Similarly, there was an inverse association between the degree of HFC and GMFM parts D (P<0.001, ρ=-0.31) and E (P<0.001, ρ=-0.32). Lastly, the PODCI domains of global function, mobility, and physical function also showed an inverse association with degree of HFC (P<0.001, ρ=-0.24). CONCLUSIONS:: As surgeons treating children with CP, we often rely on joint measurements as an indirect measure of function. This study of children with ambulatory CP suggests that increased HFC from the physician's perspective is associated with deterioration in function from a patient and a therapist's perspective. LEVEL OF EVIDENCE:: Level II, prospective study.

Original languageEnglish (US)
Pages (from-to)600-604
Number of pages5
JournalJournal of Pediatric Orthopaedics
Volume32
Issue number6
DOIs
StatePublished - Sep 1 2012

Keywords

  • CP
  • FAQ
  • GMFM
  • cerebral palsy
  • functional assessment questionnaire
  • gross motor function measure
  • hip flexion contracture
  • orthopaedics
  • pediatric outcomes data collection
  • pediatrics

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Orthopedics and Sports Medicine

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  • Cite this

    Pinero, J. R., Goldstein, R. Y., Culver, S., Kuhns, C. A., Feldman, D. S., & Otsuka, N. Y. (2012). Hip flexion contracture and diminished functional outcomes in cerebral palsy. Journal of Pediatric Orthopaedics, 32(6), 600-604. https://doi.org/10.1097/BPO.0b013e31824b2a42