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Children with dyskinetic cerebral palsy are severely affected as compared to bilateral spastic cerebral palsy
Marie Préel1, Gija Rackauskaite2, Mads L Larsen3
1Department of Paediatrics, Copenhagen University Hospital, Hillerød, Denmark.
Insights
Children with dyskinetic cerebral palsy (CP) face more severe neurodevelopmental impairments and adverse perinatal events compared to those with bilateral spastic CP. This highlights key differences in clinical findings and risk factors for these CP subtypes.
Area of Science:
- Neurology
- Pediatrics
- Developmental Pediatrics
Background:
- Cerebral palsy (CP) is a group of movement disorders.
- Dyskinetic CP and bilateral spastic CP are distinct subtypes with varying clinical presentations.
- Understanding differences is crucial for targeted interventions.
Purpose of the Study:
- To compare clinical findings in children with dyskinetic CP versus bilateral spastic CP.
- To identify distinct perinatal risk factors and neurodevelopmental outcomes.
Main Methods:
- Data from the Danish nationwide CP register (1999-2007 births).
- Analysis of 92 dyskinetic CP cases and 540 bilateral spastic CP cases.
- Comparison of perinatal factors, motor function, and associated impairments.
Main Results:
- Dyskinetic CP showed higher rates of low Apgar scores and neonatal seizures.
- More severe gross motor function impairment (GMFCS levels III-V) in dyskinetic CP (90.0% vs. 66.0%).
- Higher prevalence of basal ganglia lesions (27.7% vs. 12.8%) and severe neurodevelopmental issues (developmental quotient, visual impairment, epilepsy) in dyskinetic CP.
Conclusions:
- Dyskinetic CP and bilateral spastic CP share some features but differ in perinatal risks.
- Children with dyskinetic CP experienced more adverse peri- or neonatal events.
- Severe neurodevelopmental impairment is characteristic of dyskinetic CP.
Aim:
We aimed at describing clinical findings in children with dyskinetic as compared to bilateral spastic cerebral palsy (CP).
Methods:
Data were extracted from the Danish nationwide CP register. Participants were born in 1999-2007 and were 5-6 years at ascertainment.
Results:
The total number of CP cases was 1165 of which 92 had dyskinetic and 540 bilateral spastic CP. Prevalence of dyskinetic CP was 0.16 per 1000 live births. In participants with dyskinetic compared to bilateral spastic CP, there was more frequently an Apgar level less than five at five minutes (22.7% vs. 11.2%) and neonatal seizures (43.5% vs. 28.5%), but less respiratory deficiency, hyperbilirubinaemia and sepsis. Impairment based on gross motor function classification was more severe in dyskinetic CP (level III-V 90.0% vs. 66.0%). In dyskinetic CP, there was a high rate of reduced developmental quotient (68.1%), visual impairment (39.3%) and epilepsy (51.6%). Basal ganglia lesions were more prevalent in dyskinetic compared to bilateral spastic CP (27.7% vs. 12.8%).
Conclusion:
Cases of dyskinetic CP had overlapping clinical features with cases of bilateral spastic CP, but differed significantly in several perinatal risk factors. The children with dyskinetic CP had experienced more peri- or neonatal adverse events, and neurodevelopmental impairment was severe.
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