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Wang S, Yao B, Zhang H, Xia L, Yu S, Peng X, Xiang D, Liu Z. Comorbidity of epilepsy and attention-deficit/hyperactivity disorder: a systematic review and meta-analysis. J Neurol 2023; 270:4201-4213. [PMID: 37326829 DOI: 10.1007/s00415-023-11794-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 06/17/2023]
Abstract
Epilepsy and attention-deficit/hyperactivity disorder (ADHD) are common neurological and neuropsychiatric disorders, respectively, that can exist as comorbidities. However, the degree of comorbidity between both disorders has never been quantified based on a systematic review with meta-analysis. We performed a systematic search of the literature in Embase, PubMed, PsychINFO and the Cochrane Library on June 20, 2022. In a meta-analysis of 63 studies with a total sample size of 1,073,188 individuals (172,206 with epilepsy and 900,982 with ADHD) from 17 countries, the pooled prevalence of ADHD in epilepsy was 22.3% (95% CI 20.3-24.4%). The highest pooled prevalence was 12.7% (95% CI 9-17.1%) for ADHD-I subtype, whereas the pooled prevalence of epilepsy in ADHD was 3.4% (95% CI 2.53-4.21%). However, substantial heterogeneity in comorbidity rates was observed and partially attributed to the following factors: sample size, sample specification, geographical variations and diagnostic methods. Our study highlights the need for increased awareness of this diagnostic co-occurrence, and research is warranted to elucidate the underlying pathophysiological mechanisms.
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Affiliation(s)
- Shun Wang
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Baozhen Yao
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Haiju Zhang
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Liping Xia
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Shiqian Yu
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Xia Peng
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Dan Xiang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
| | - Zhongchun Liu
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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Reilly C, Atkinson P, Memon A, Jones C, Dabydeen L, Helen Cross J, Das KB, Gillberg C, Neville BGR, Scott RC. Autism, ADHD and parent-reported behavioural difficulties in young children with epilepsy. Seizure 2019; 71:233-239. [PMID: 31425870 DOI: 10.1016/j.seizure.2019.08.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 07/30/2019] [Accepted: 08/07/2019] [Indexed: 11/30/2022] Open
Abstract
PURPOSE To provide data on the prevalence of Autism Spectrum Disorder (ASD), Attention-Deficit/Hyperactivity Disorder (ADHD), and parent reported behaviour difficulties in young children with epilepsy, and to compare results with children with neurodisability (neurodevelopmental/neurological difficulties) without epilepsy. METHOD Children with epilepsy (1-7 years, n = 48) and children with neurodisability (1-7 years, n = 48) matched for gender, chronological and developmental age underwent psychological assessment. Parents completed measures of behaviour including the Strengths and Difficulties Questionnaire (SDQ). DSM-5 diagnoses of ASD and ADHD were made at consensus case conferences. Factors associated with child behaviour were analysed using linear regression. RESULTS Of the children with epilepsy, 18% met ASD criteria and 40% met ADHD criteria (corresponding figures in the non-epilepsy group were 41% and 27%). A large proportion (76%-78%) in both groups scored in the at-risk range on the SDQ and frequently had difficulties across multiple behavioural domains. Children with epilepsy had more concerns expressed regarding attention and mood. None of the epilepsy factors were significantly associated with scores on the behavioural measures. SIGNIFICANCE Young children with epilepsy had a very high level of parent reported behavioural difficulties and a high risk for ADHD and ASD highlighting the need for comprehensive multidisciplinary assessment. Behavioural concerns were not greater than for other children with non-epilepsy related neurodisability with the exception of attention and mood. Epilepsy related factors were not associated with child behaviour, suggesting that seizures per se do not confer a unique risk for behavioural difficulties.
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Affiliation(s)
- Colin Reilly
- Research Department, Young Epilepsy, Lingfield, Surrey, RH7 6PW, UK; UCL Great Ormond Street Institute of Child Health (ICH), 30 Guilford Street, London, WC1N 1EH, UK.
| | - Patricia Atkinson
- Child Development Centre, Crawley Hospital, West Green Drive, Crawley, RH11 7DH, West Sussex, UK
| | - Ayesha Memon
- Child Development Centre, Crawley Hospital, West Green Drive, Crawley, RH11 7DH, West Sussex, UK
| | - Chloe Jones
- Research Department, Young Epilepsy, Lingfield, Surrey, RH7 6PW, UK
| | - Lyvia Dabydeen
- Research Department, Young Epilepsy, Lingfield, Surrey, RH7 6PW, UK
| | - J Helen Cross
- Research Department, Young Epilepsy, Lingfield, Surrey, RH7 6PW, UK; UCL Great Ormond Street Institute of Child Health (ICH), 30 Guilford Street, London, WC1N 1EH, UK; Great Ormond Street Hospital for Children NHS Trust, Great Ormond Street, London, WC1N 3JH, UK
| | - Krishna B Das
- UCL Great Ormond Street Institute of Child Health (ICH), 30 Guilford Street, London, WC1N 1EH, UK; Great Ormond Street Hospital for Children NHS Trust, Great Ormond Street, London, WC1N 3JH, UK
| | - Christopher Gillberg
- Research Department, Young Epilepsy, Lingfield, Surrey, RH7 6PW, UK; UCL Great Ormond Street Institute of Child Health (ICH), 30 Guilford Street, London, WC1N 1EH, UK; Gillberg Neuropsychiatry Centre, University of Gothenburg, Kungsgatan 12, Gothenburg, Sweden
| | - Brian G R Neville
- Research Department, Young Epilepsy, Lingfield, Surrey, RH7 6PW, UK; UCL Great Ormond Street Institute of Child Health (ICH), 30 Guilford Street, London, WC1N 1EH, UK
| | - Rod C Scott
- UCL Great Ormond Street Institute of Child Health (ICH), 30 Guilford Street, London, WC1N 1EH, UK; Great Ormond Street Hospital for Children NHS Trust, Great Ormond Street, London, WC1N 3JH, UK; Department of Neurological Sciences, University of Vermont College of Medicine, Burlington, VT, USA
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