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Review: alarms reduce nocturnal enuresis in children

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 Q What is the effectiveness of alarms for nocturnal enuresis in children? Are alarms more effective than other interventions?

Clinical impact ratings GP/FP/Primary care ★★★★★★☆


Embedded ImageData sources:

Cochrane Incontinence Review Group’s specialised register (most recent search December 2002), hand searches of journals, and reference lists of relevant articles.

Embedded ImageStudy selection and assessment:

randomised or quasi-randomised controlled trials that compared alarm interventions with no active treatment, behavioural interventions, drugs, or other treatments (alone or combined with alarms) for treatment of non-organic nocturnal enuresis in children (usually ⩽16 y). Quality of individual studies was assessed.

Embedded ImageOutcomes:

included number of participants failing to attain 14 consecutive dry nights during treatment (treatment failure) and treatment failure or subsequent relapse after treatment completion (relapse).


53 randomised controlled trials (n = 2862) met the selection criteria. Only the results for analyses of ⩾2 trials are reported here. Alarm v placebo/no treatment. Alarms reduced treatment failure and relapse more than placebo/no treatment (table). Different …

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  • * Updated information provided by author.

  • For correspondence: Dr C Glazener, University of Aberdeen, Foresterhill, Aberdeen, UK.

  • Source of funding: National Health Service Research and Development Programme UK.