Distal rectus femoris surgery in children with cerebral palsy: Results of a delphi consensus project

Robert M. Kay, Kristan Pierz, James McCarthy, H. Kerr Graham, Henry Chambers, Jon R. Davids, Unni Narayanan, Tom F. Novacheck, Jason Rhodes, Erich Rutz, Jeffrey Shilt, Benjamin J. Shore, Matthew Veerkamp, M. Wade Shrader, Tim Theologis, Anja Van Campenhout, Thomas Dreher

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: The purpose of this study was for an international panel of experts to establish consensus indications for distal rectus femoris surgery in children with cerebral palsy (CP) using a modified Delphi method. Methods: The panel used a five-level Likert scale to record agreement or disagreement with 33 statements regarding distal rectus femoris surgery. The panel responded to statements regarding general characteristics, clinical indications, computerized gait data, intraoperative techniques and outcome measures. Consensus was defined as at least 80% of responses being in the highest or lowest two of the five Likert ratings, and general agreement as 60% to 79% falling into the highest or lowest two ratings. There was no agreement if neither threshold was reached. Results: Consensus or general agreement was reached for 17 of 33 statements (52%). There was general consensus that distal rectus femoris surgery is better for stiff knee gait than is proximal rectus femoris release. There was no consensus about whether the results of distal rectus femoris release were comparable to those following distal rectus femoris transfer. Gross Motor Function Classification System (GMFCS) level was an important factor for the panel, with the best outcomes expected in children functioning at GMFCS levels I and II. The panel also reached consensus that they do distal rectus femoris surgery less frequently than earlier in their careers, in large part reflecting the narrowing of indications for this surgery over the last decade. Conclusion: This study can help paediatric orthopaedic surgeons optimize decision-making for, and outcomes of, distal rectus femoris surgery in children with CP.

Original languageEnglish (US)
Pages (from-to)270-278
Number of pages9
JournalJournal of Children's Orthopaedics
Volume15
Issue number3
DOIs
StatePublished - 2021
Externally publishedYes

Keywords

  • Cerebral palsy
  • Consensus
  • Rectus femoris
  • Stiff knee
  • Surgical indications

ASJC Scopus subject areas

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

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