Predicting functional change from preintervention measures in selective dorsal rhizotomy

Jack R. Engsberg, Sandy A. Ross, David R. Collins, Tae Sung Park

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


Object. In this investigation the authors attempted to predict change in function following selective dorsal rhizotomy (SDR) and intensive physical therapy in patients with spastic diplegic cerebral palsy (CP) based on multidomain preintervention measures. Methods. Data pertaining to 22 children with CP were collected before the SDR and again 20 months afterward. Although equations for predicting change in gait speed and function (such as the Gross Motor Function Measure) were derived, the 95% confidence interval (CI) widths were too broad to make accurate predictions that were clinically useful outside the study group. Conclusions. Future work should be focused on developing additional measures such as lower-extremity motor control and balance in an attempt to reduce the CIs to more clinically relevant values.

Original languageEnglish
Pages (from-to)282-287
Number of pages6
JournalJournal of neurosurgery
Issue number4 SUPPL.
StatePublished - Apr 2007


  • Cerebral palsy
  • Gait spasticity
  • Pediatric neurosurgery
  • Predictive measure
  • Rhizotomy
  • Strength


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