Genetic Testing in Children with Epilepsy: Report of a Single-Center Experience
Canadian Journal of Neurological Sciences, ISSN: 0317-1671, Vol: 48, Issue: 2, Page: 233-244
2021
- 8Citations
- 61Usage
- 36Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations8
- Citation Indexes6
- Policy Citations2
- Policy Citation2
- Usage61
- Downloads61
- Captures36
- Readers36
- 36
Article Description
Background: Retrospective observational study to determine diagnostic yield and utility of genetic testing in children with epilepsy attending the Epilepsy Clinic at Children's Hospital, London, Ontario, Canada. Methods: Children (birth-18 years) with epilepsy, who were seen in a 10-year period (January 1, 2008-March 31, 2018), were selected using defined inclusion criteria and by combining clinic datasets and laboratory records. Results: In total, 105 children (52.38% male and 47.61% female) with a variety of seizures were included in the analysis. Developmental delay was documented in the majority (83; 79.04%). Overall, a genetic diagnosis was established in 24 (22.85%) children. The diagnostic yield was highest for whole-exome sequencing (WES), at 35.71%. The yield from microarray was 8.33%. Yields of single-gene testing (18.60%) and targeted multigene panel testing (19.23%) were very similar. Several likely pathogenic and pathogenic variants not previously reported were identified and categorized using ACMG criteria. All diagnosed patients underwent a review of anti-seizure medication management and received counseling on natural history of their disease, possible complications, recurrence risks, and possibilities of preimplantation or prenatal genetic diagnosis. Conclusions: Our study confirms the multiple benefits of detecting a genetic etiology in children with epilepsy. Similar yields in single versus multigene testing underscore the importance of accurate clinical phenotyping. Patients with epilepsy and their caregivers in Ontario would undoubtedly benefit from repatriation of multigene panels and WES to the province.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85102837360&origin=inward; http://dx.doi.org/10.1017/cjn.2020.167; http://www.ncbi.nlm.nih.gov/pubmed/32741404; https://www.cambridge.org/core/product/identifier/S0317167120001675/type/journal_article; https://ir.lib.uwo.ca/paedpub/736; https://ir.lib.uwo.ca/cgi/viewcontent.cgi?article=1744&context=paedpub
Cambridge University Press (CUP)
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