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Bladder reservoir function in children with monosymptomatic nocturnal enuresis and healthy controls.
J Urol. 2006 Aug; 176(2):759-63.JU

Abstract

PURPOSE

We investigated bladder reservoir function in children with monosymptomatic nocturnal enuresis and in healthy controls.

MATERIALS AND METHODS

A total of 18 children with monosymptomatic nocturnal enuresis and 119 controls who were 7 to 13 years old were recruited. Children completed frequency volume charts and measurements of nocturnal urine production. Mean diuresis in the period preceding each voiding was calculated. Those with enuresis were grouped according to bladder capacity and hospitalized for 4 nights, including a baseline night and 3 with an oral water load. Enuresis volumes and post-void residual volume were estimated, allowing the calculation of bladder volume at the time of enuresis.

RESULTS

Nine children with monosymptomatic nocturnal enuresis were characterized as having normal bladder capacity and 9 had decreased bladder capacity. We found large intra-individual variability in daytime voided volume in all 3 groups of participants. Children with enuresis and small bladder capacity generally voided with volumes close to maximal voided volume. A total of 93 enuresis episodes were recorded. Large intra-individual variability was seen in bladder volume at enuresis and it was lower than maximal voided volume in more than 50% of episodes. Variability in bladder volume at enuresis was greatest in the patient group with decreased bladder capacity. We found a significant correlation between diuresis and bladder capacity in all groups during the day and night.

CONCLUSIONS

There is a great intra-individual diurnal variability in voided volume in children with enuresis and in healthy children. Enuresis seems to occur at bladder volumes that are smaller and larger than the maximal voided volume obtained from voiding charts.

Authors+Show Affiliations

Clinical Institute, University of Aarhus and Department of Pediatrics, Skejby University Hospital, Denmark. hagstroem@ki.au.dkNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

16813939

Citation

Hagstroem, Søren, et al. "Bladder Reservoir Function in Children With Monosymptomatic Nocturnal Enuresis and Healthy Controls." The Journal of Urology, vol. 176, no. 2, 2006, pp. 759-63.
Hagstroem S, Kamperis K, Rittig S, et al. Bladder reservoir function in children with monosymptomatic nocturnal enuresis and healthy controls. J Urol. 2006;176(2):759-63.
Hagstroem, S., Kamperis, K., Rittig, S., & Djurhuus, J. C. (2006). Bladder reservoir function in children with monosymptomatic nocturnal enuresis and healthy controls. The Journal of Urology, 176(2), 759-63.
Hagstroem S, et al. Bladder Reservoir Function in Children With Monosymptomatic Nocturnal Enuresis and Healthy Controls. J Urol. 2006;176(2):759-63. PubMed PMID: 16813939.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Bladder reservoir function in children with monosymptomatic nocturnal enuresis and healthy controls. AU - Hagstroem,Søren, AU - Kamperis,Konstantinos, AU - Rittig,Søren, AU - Djurhuus,Jens Christian, PY - 2005/09/22/received PY - 2006/7/4/pubmed PY - 2006/8/30/medline PY - 2006/7/4/entrez SP - 759 EP - 63 JF - The Journal of urology JO - J Urol VL - 176 IS - 2 N2 - PURPOSE: We investigated bladder reservoir function in children with monosymptomatic nocturnal enuresis and in healthy controls. MATERIALS AND METHODS: A total of 18 children with monosymptomatic nocturnal enuresis and 119 controls who were 7 to 13 years old were recruited. Children completed frequency volume charts and measurements of nocturnal urine production. Mean diuresis in the period preceding each voiding was calculated. Those with enuresis were grouped according to bladder capacity and hospitalized for 4 nights, including a baseline night and 3 with an oral water load. Enuresis volumes and post-void residual volume were estimated, allowing the calculation of bladder volume at the time of enuresis. RESULTS: Nine children with monosymptomatic nocturnal enuresis were characterized as having normal bladder capacity and 9 had decreased bladder capacity. We found large intra-individual variability in daytime voided volume in all 3 groups of participants. Children with enuresis and small bladder capacity generally voided with volumes close to maximal voided volume. A total of 93 enuresis episodes were recorded. Large intra-individual variability was seen in bladder volume at enuresis and it was lower than maximal voided volume in more than 50% of episodes. Variability in bladder volume at enuresis was greatest in the patient group with decreased bladder capacity. We found a significant correlation between diuresis and bladder capacity in all groups during the day and night. CONCLUSIONS: There is a great intra-individual diurnal variability in voided volume in children with enuresis and in healthy children. Enuresis seems to occur at bladder volumes that are smaller and larger than the maximal voided volume obtained from voiding charts. SN - 0022-5347 UR - https://www.unboundmedicine.com/medline/citation/16813939/Bladder_reservoir_function_in_children_with_monosymptomatic_nocturnal_enuresis_and_healthy_controls_ L2 - https://www.jurology.com/doi/10.1016/S0022-5347(06)00296-5?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -