A comparison of wisconsin instrumentation and cotrel-dubousset instrumentation

William A. Herndon, J. Andy Sullivan, Curtis R. Gruel, David A. Yngve

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Twenty-six patients who underwent Wisconsin instrumentation and 36 patients who underwent Cotrel-Dubousset instrumentation (CDI) for idiopathic scoliosis were studied. Inclusion in the study required at least 24-month follow-up. Variables compared included operating time, blood loss, frontal plane correction, axial and sagittal plane changes, effects on compensation, and complications. In general, operating time, blood loss, and instrumentation problems were greater with CDI. Thoracic curve correction in King II curves was better with CDI. There was no advantage to either system with respect to sagittal plane alignment or rotation. When all factors were considered, a significant advantage to use of CDI could not be demonstrated.

Original languageEnglish (US)
Pages (from-to)615-621
Number of pages7
JournalJournal of Pediatric Orthopaedics
Issue number5
StatePublished - 1993
Externally publishedYes


  • Cotrel-Dubousset instrumentation
  • Decompensation
  • Denotation
  • Scoliosis
  • Wisconsin instrumentation

ASJC Scopus subject areas

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


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