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Gait improvement surgery in ambulatory children with diplegic cerebral palsy

Acta Orthop. 2015;86(4):511-7. doi: 10.3109/17453674.2015.1011927. Epub 2015 Jan 30.

Abstract

Background and purpose: Instrumented 3-D gait analyses (GA) in children with cerebral palsy (CP) have shown improved gait function 1 year postoperatively. Using GA, we assessed the outcome after 5 years and evaluated parental satisfaction with the surgery and the need for additional surgery.

Patients and methods: 34 ambulatory children with spastic diplegia had preoperative GA. Based on this GA, the children underwent 195 orthopedic procedures on their lower limbs at a mean age of 11.6 (6-19) years. On average, 5.7 (1-11) procedures per child were performed. Outcome measures were evaluation of gait quality using the gait profile score (GPS) and selected kinematic parameters, functional level using the functional mobility scale (FMS), and the degree of parental satisfaction.

Results: The mean GPS improved from 20.7° (95% CI: 19-23) preoperatively to 15.4° (95% CI: 14-17) 5 years postoperatively. There was no significant change in GPS between 1 and 5 years. The individual kinematic parameters at the ankle, knee, and hip improved statistically significantly, as did gait function (FMS). The mean parental satisfaction, on a scale from 0 to 10, was 7.7 (2-10) points. There was a need for additional surgical procedures in 14 children; this was more frequent in those who had the index operation at an early age.

Interpretation: The main finding was that orthopedic surgery based on preoperative GA gave marked improvements in gait function and quality, which were stable over a 5-year period. Nevertheless, additional orthopedic procedures were necessary in almost half of the children and further follow-up with GA for more than 1 year postoperatively is recommended in children with risk factors for such surgery.

MeSH terms

  • Adolescent
  • Biomechanical Phenomena / physiology
  • Cerebral Palsy / complications
  • Cerebral Palsy / physiopathology*
  • Child
  • Female
  • Follow-Up Studies
  • Gait / physiology*
  • Humans
  • Lower Extremity / surgery*
  • Male
  • Mobility Limitation*
  • Orthopedic Procedures / methods*
  • Parents
  • Patient Satisfaction
  • Postoperative Period
  • Prospective Studies
  • Risk Factors
  • Treatment Outcome