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Aims: To investigate the relevance of enuresis subtyping for selection of treatment modality and for long-term outcome in a large consecutive patient cohort., Materials and Methods: We included all patients referred for urinary incontinence during a 5-year period but excluding recurrent urinary tract infections (UTI). Type and severity of incontinence, prior history, results of examinations performed, number of visits, and effect of all treatments provided, were included in a clinical database., Results: Seven hundred twenty children aged 4-16 years (mean 8.5 ± 2.2 years, 239 girls) were included in the analysis (42% with monosymptomatic (MNE), 55% with non-MNE, and 3% with isolated daytime incontinence). Initial evaluation revealed only few underlying causes (one neurological and eight anatomical). Investigations showed significant differences between MNE and non-MNE patients as both maximal voided volume and nocturnal urine volume was lower in non-MNE patients (P < 0.001). Follow-up for average 1,587 days (3.4 years) was performed in 660 (92%) patients. A higher number of visits and a longer treatment period were needed for non-MNE patients (on average 4.7 ± 2.8 visits) than MNE patients (3.1 ± 1.6 visits, P < 0.001). The most common treatment regimen that resulted in dryness in both MNE (40%) and non-MNE (36%) was the alarm system. Interestingly, of the 539 patients who initially were referred due to desmopressin resistance 177 (33%) of these were dry on desmopressin monotherapy., Conclusions: The study indicated that MNE and non-MNE are two distinct disease entities with different optimal treatments and showed that the latter patients are more difficult and time-consuming to manage., (© 2013 Wiley Periodicals, Inc.)

Purpose: We evaluated bladder reservoir function in children with monosymptomatic nocturnal enuresis with and without response to desmopressin, and assessed the importance of first morning voiding when defining maximum voided volume., Materials and Methods: A total of 238 patients 5 to 15 years old with monosymptomatic nocturnal enuresis completed 2 weeks of enuresis recordings and 4 days of frequency-volume charts. Of the patients 186 completed subsequent home recordings during titration with desmopressin. Maximum voided volumes with and without the first morning void were calculated. Desmopressin response was defined as greater than 50% reduction in wet nights. Maximum voided volume with and without first morning voiding was evaluated as a prognostic factor for desmopressin response., Results: Mean ± SD maximum voided volume without first morning void was comparable between desmopressin responders and nonresponders (230.5 ± 69.3 ml and 219.0 ± 84.8 ml, respectively, p = 0.391). Inclusion of the first morning void demonstrated responders to have significantly larger values than nonresponders (mean ± SD 296.0 ± 94.0 ml vs 233.5 ± 90.0 ml, p <0.001). When first morning void was included, desmopressin response was seen in 40% of patients with voided volumes of 65% expected volume for age vs 10% of patients with volumes less than 65% expected volume for age., Conclusions: Maximum voided volume can be used as a predictor of desmopressin response only if first morning voids are taken into consideration. All patients with monosymptomatic nocturnal enuresis should receive clear instructions to include this measure when completing frequency-volume charts., (Copyright © 2012 American Urological Association Education and Research, Inc. Published by Elsevier Inc. All rights reserved.)

Purpose: We sought to evaluate the combination of the enuresis alarm and desmopressin in treating children with enuresis., Materials and Methods: A retrospective analysis was performed on data from 423 children treated at our clinics with the enuresis alarm during the years 2000 to 2004. Frequency volume charts and desmopressin titration facilitated characterization of the participants using the current International Children's Continence Society standardization. Children were treated with the enuresis alarm as monotherapy before the addition of desmopressin, which commenced after 6 weeks in patients exhibiting inadequate response to alarm or after 2 weeks in patients experiencing multiple enuretic episodes per night or showing no indication of improvement., Results: Of the initial population 315 children (74%) were treated only with alarm, of whom 290 became dry. A total of 108 children (26%) were treated with a combination of alarm and desmopressin, with 80 being cured. Children dry on alarm therapy were not different from those needing the addition of desmopressin in terms of demographics. Children dry on desmopressin plus alarm had higher average nocturnal urine production on wet nights (303 +/- 12 ml compared to 269 +/- 5 ml, p <0.001). Maximum voided volume before treatment corrected for age was not different between children dry on alarm and those dry on combination therapy (0.84 +/- 0.02 compared to 0.86 +/- 0.05, not significant)., Conclusions: Children needing the addition of desmopressin have a higher nocturnal urine production on wet nights but do not seem to differ in terms of bladder reservoir function characteristics.