Journal
PEDIATRIC NEPHROLOGY
Volume 36, Issue 11, Pages 3547-3559Publisher
SPRINGER
DOI: 10.1007/s00467-021-05083-y
Keywords
Children; Attention deficit and hyperactivity disorder; ADHD; Nocturnal enuresis; Enuresis
Categories
Funding
- Brazilian National Council of Research Development (CNPq) [302153/2019-5]
- Coordination of High Education Level Personnel (CAPES)
- Foundation of Research of Minas Gerais (FAPEMIG)
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The study found that the prevalence of ADHD in children with enuresis is similar to the prevalence of enuresis in children with ADHD, and the comorbidity of ADHD and enuresis does not seem to impact gender distribution or the presence of other comorbidities. However, enuresis appears to persist for a longer time in children with ADHD. Further research is needed to strengthen the evidence for the reciprocal association between enuresis and ADHD.
Background Attention deficit and hyperactivity/impulsivity disorder (ADHD) and enuresis are common behavioral disorders in childhood, impacting adolescence and adult life. Enuresis (NE) is an incontinence disorder frequently observed in children with ADHD. The relationship between ADHD and NE has been a matter of debate. Objectives We aimed to verify the relationship between ADHD and enuresis and how these conditions can modify each other during development. Using PRISMA guidelines, under the PROSPERO registration number CRD42020208299, we systematically searched the literature and conducted a meta-analysis to answer the following question: how frequent is ADHD and enuresis comorbidity? Twenty-five studies were fully read, and data from seven less heterogeneous case-control studies were pooled to estimate enuresis prevalence comparing ADHD and control samples, whereas six studies were combined to evaluate ADHD frequencies in children with and without enuresis. Results We found the ADHD rates in children with enuresis are similar to the enuresis rates in the group of children with ADHD. The presence of ADHD and enuresis comorbidity does not seem to play a role in gender distribution and the presence of other comorbidities in comparison to controls. However, enuresis seems to persist for more time in children with ADHD. Limitations The selected papers differed in study type, research question, samples, and controls utilized. Conclusions Our systematic review with meta-analysis supports the reciprocal association between enuresis and ADHD. Further studies are necessary to build more robust evidence.
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