Guided growth for caput valgum in developmental dysplasia of the hip

Shih Hui Peng, Wei Chun Lee, Hsuan Kai Kao, Wen E. Yang, Chia Hsieh Chang*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

6 Scopus citations

Abstract

This study reported guided growth for caput valgum deformity and subsequent hip development. Ten children with unilateral hip dysplasia had guided growth by one eccentric transphyseal screw at age 9.1 years with minimum 2 years of follow-up. The first change was decreasing articulotrochanteric distance and then increasing physis tilt angle and head-shaft angle by 1.5 years. The center edge angle that was significantly less than the normal side (18.3 vs. 24.8°) preoperatively became comparable between both the hips 2 years later. Rebounding of physis inclination after screw back out suggested mechanical tethering, rather than permanent physis closure, resulted in morphologic changes in the femur. Level of evidence: Therapeutic study, level IV.

Original languageEnglish
Pages (from-to)485-490
Number of pages6
JournalJournal of Pediatric Orthopaedics Part B
Volume27
Issue number6
DOIs
StatePublished - 01 11 2018

Bibliographical note

Publisher Copyright:
© Copyright 2018 Wolters Kluwer Health, Inc. All rights reserved.

Keywords

  • caput valgum
  • developmental dysplasia of the hip
  • guided growth
  • physis inclination
  • rebounding

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