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Relationship between toilet training process and primary nocturnal enuresis in children and adolescents - A
Tânia Antunes Carvalho1, Mônica Maria de Almeida Vasconcelos1, Isabela Cristina de Oliveira Guimarães1
1Universidade Federal de Minas Gerais (UFMG), Faculty of Medicine- Pediatrics Department, Pediatric Nephrology Unit- Hospital Das Clínicas da UFMG, Brazil.
Introduction:
Primary nocturnal enuresis (PNE) affects the quality of life of children and families and may lead to low self-esteem and social isolation. The pathophysiology of enuresis is multifactorial. This systematic review aimed to investigate the relationship between toilet training (TT) and PNE in children and adolescents.
Methods:
We searched for articles about TT and PNE in MEDLINE (via PubMed), SCOPUS and WEB of SCIENCE databases. The Preferred Reporting Items for Systematic Reviews (PRISMA) statement was used to guide the systematic review. Prior to the study, the review protocol was registered and approved in PROSPERO under the protocol CRD42021270976. The Risk of Bias in Non-Randomized Studies of Exposures (ROBINS-E) was used to analyze the biases of the select studies.
Results:
A total of 570 studies were initially selected. Of these, eight articles were included in this systematic review, with a total number of 5990 participants aged between 5 and 18 years diagnosed with PNE. Seven of the eight articles reported that prolonged use of disposable diapers for more than one-year, late initiation of the TT process or non-acceptance of the Assisted Infant TT or Elimination Communication approach, use of coercive approaches, and complete of TT after 24 months of age increase the risk of enuresis. Only one of the selected studies did not find an association between the start of TT after 24 months of age and the presence of isolated PNE. Three studies did not mention the approach used in the TT process.
Conclusion:
Most of the articles reviewed showed that prolonged diaper use, delay in the start or completion of the TT and use of coercive approaches increase the risk of enuresis. On the other hand, one study showed no relationship between the start of TT after 24 months of age and the presence of isolated enuresis.
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