Linda Horwood1, Patricia Li1, Elise Mok2, Michael Shevell3, Evelyn Constantin4. 1. Department of Pediatrics, Montreal Children's Hospital, McGill University Health Centre, Montreal, Quebec, Canada; Research Institute, McGill University Health Centre, Montreal, Quebec, Canada. 2. Research Institute, McGill University Health Centre, Montreal, Quebec, Canada. 3. Department of Pediatrics, Montreal Children's Hospital, McGill University Health Centre, Montreal, Quebec, Canada; Research Institute, McGill University Health Centre, Montreal, Quebec, Canada; Department of Neurology, Montreal Children's Hospital, McGill University Health Centre, Montreal, Quebec, Canada. 4. Department of Pediatrics, Montreal Children's Hospital, McGill University Health Centre, Montreal, Quebec, Canada; Research Institute, McGill University Health Centre, Montreal, Quebec, Canada. Electronic address: evelyn.constantin@mcgill.ca.
Abstract
BACKGROUND: Up to 85% of children with neurodevelopmental disorders have sleep problems, compared with 25% of typically developing children. Children with cerebral palsy (CP)may have risk factors (brain injury, physical disability, and comorbidities) that make them more likely to have sleep problems compared with typically developing children. OBJECTIVE: To determine prevalence of sleep problems in children with CP. METHODS: We conducted a systematic review and meta-analysis to report on the prevalence of sleep problems in children with CP, within subgroups (age, CP phenotype, presence of impairments [auditory, visual, and cognitive], and presence of epilepsy) and compared with control groups of healthy children. We searched eight relevant electronic databases from their respective start dates until September 2018. RESULTS: 23 full-text articles (n=2,908 children with CP) were included in the review. All studies were cross-sectional and examined caregiver-reported sleep measures. The Sleep Disturbance Scale for Children (SDSC) was the most commonly used questionnaire. No study met all Joanna Briggs Institute quality assessment criteria for prevalence studies; selection, coverage, classification, and/or confounding biases were present in all studies. Using a random effects model with a Freeman-Tukey double arcsine transformation, the pooled prevalence was 23.4% (95% confidence interval [CI] 18.8-28.4%; n=9 studies) for an abnormal total score on the SDSC and 26.9% (95% CI 21.5-32.7%; n=9 studies) for disorders of initiation and maintenance of sleep, the most prevalent sleep problem reported. For the studies that reported prevalence for control groups of healthy children (n=4 studies), sleep problems were generally more prevalent in the CP group. CONCLUSION: The prevalence of sleep problems in children with CP is high. There is notable variability in the prevalence of sleep problems between subgroups of children with CP. Future studies using questionnaires validated in children with CP and objective measures (such as polysomnography or actigraphy) in well-described, large, broadly recruited samples are recommended.
BACKGROUND: Up to 85% of children with neurodevelopmental disorders have sleep problems, compared with 25% of typically developing children. Children with cerebral palsy (CP)may have risk factors (brain injury, physical disability, and comorbidities) that make them more likely to have sleep problems compared with typically developing children. OBJECTIVE: To determine prevalence of sleep problems in children with CP. METHODS: We conducted a systematic review and meta-analysis to report on the prevalence of sleep problems in children with CP, within subgroups (age, CP phenotype, presence of impairments [auditory, visual, and cognitive], and presence of epilepsy) and compared with control groups of healthy children. We searched eight relevant electronic databases from their respective start dates until September 2018. RESULTS: 23 full-text articles (n=2,908 children with CP) were included in the review. All studies were cross-sectional and examined caregiver-reported sleep measures. The Sleep Disturbance Scale for Children (SDSC) was the most commonly used questionnaire. No study met all Joanna Briggs Institute quality assessment criteria for prevalence studies; selection, coverage, classification, and/or confounding biases were present in all studies. Using a random effects model with a Freeman-Tukey double arcsine transformation, the pooled prevalence was 23.4% (95% confidence interval [CI] 18.8-28.4%; n=9 studies) for an abnormal total score on the SDSC and 26.9% (95% CI 21.5-32.7%; n=9 studies) for disorders of initiation and maintenance of sleep, the most prevalent sleep problem reported. For the studies that reported prevalence for control groups of healthy children (n=4 studies), sleep problems were generally more prevalent in the CP group. CONCLUSION: The prevalence of sleep problems in children with CP is high. There is notable variability in the prevalence of sleep problems between subgroups of children with CP. Future studies using questionnaires validated in children with CP and objective measures (such as polysomnography or actigraphy) in well-described, large, broadly recruited samples are recommended.
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