Cerebral palsy is the leading cause of motor disability in children. Children with little or no walking (GMFCS III, IV and V) represent 43% of children with cerebral palsy, the majority of whom present pelvic and spinal deformities in the frontal and sagittal planes. However, sagittal pelvic spinal statics have been little studied, especially in the sitting position, which is the functional position of these children.
Moreover, there are currently no recommendations on how to perform follow-up radiographs of the spine in children who do not walk much.
A better understanding of pelvic and sagittal spinal statics would help prevent deformities and their complications.
Standardizing the method of performing pelvic-spinal radiographs in the sitting position will make monitoring of spinal statics more reliable.
Child or adolescent aged 4 to 17 years
Child or adolescent with cerebral palsy GMFCS III, IV or V
Child or adolescent whose parents, or the child if possible, have given free, informed and written consent
Child or adolescent affiliated or beneficiary of a health insurance plan
Child or adolescent with history of spinal surgery
Child or adolescent with parents unable to give consent
Child or adolescent participating in a therapeutic research study (RIPH 1 or drug study)
Child or adolescent in an exclusion period determined by another study
Children and adolescents from 4 to 17 years old with cerebral palsy GMFCS III, IV or V followed in the Physical Medicine and Rehabilitation Department, Children Rehabilitation Unit of the CHU of Nîmes
Cohort
Prospective
spine and pelvis radiography
RadiationX-ray of the spine and pelvis from the front and the side will be performed under the standardized conditions that we put in place: in a sitting position on a specific modular chair.
Evolution of the sagittal spinal statics in the sitting position
measurement of pelvic incidence (normal values between 35 and 85 degrees)
Evolution of the sagittal spinal statics in the sitting position
sacral slope (angle of inclination of the sacral plateau in profile to the horizontal (degrees))
Evolution of the sagittal spinal statics in the sitting position
pelvic version (angle between the vertical and the line joining the center of the femoral heads with the middle of the sacral plateau (in degrees))
Evolution of the sagittal spinal statics in the sitting position
lordoses cervicales (in degrees)
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