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Functional bladder capacity and urodynamics in males with nocturia.
APMIS Suppl. 2003AS

Abstract

Previous studies in males with lower urinary tract symptoms (LUTS) have shown that nocturia in some patients is associated with nocturnal polyuria whereas other patients have preserved circadian urine output rhythm. This outpatient study based on 7-dayss frequency/volume (FV) charts showed that patients with nocturnal polyuria and age-matched controls without nocturia had a diurnal variation in functional bladder capacity (FBC) with higher night-time values. In contrast, patients without nocturnal polyuria no diurnal variation was observed in FBC with lower day and night-time values than both controls and nocturnal polyuric patients. Nocturia volumes correlated significantly to daytime FBC in both patient groups. Voided volumes obtained from daytime pressure/flow urodynamic investigations correlated significantly with night-time FBC obtained from the FV chart. In patients with LUTS nocturia was caused by nocturnal polyuria in 10 of 23 patients and by diminished night-time functional bladder capacity in the remaining 13 patients. In conclusion, nocturia in males with LUTS referred for BPH evaluation is caused by a mismatch between nocturnal urine production and night-time FBC analogous with the pathophysiology of nocturnal enuresis. The evaluation of circadian urine production and FBC seems mandatory in the assessment of patients with nocturia and LUTS.

Authors+Show Affiliations

Institute of Experimental Clinical Research, Aarhus University Hospital-Skejby, DK-8200 Aarhus N, Denmark. Thorsten@dadlnet.dkNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

12874952

Citation

Matthiesen, T B., et al. "Functional Bladder Capacity and Urodynamics in Males With Nocturia." APMIS. Supplementum, 2003, pp. 59-65.
Matthiesen TB, Rittig S, Djurhuus JC. Functional bladder capacity and urodynamics in males with nocturia. APMIS Suppl. 2003.
Matthiesen, T. B., Rittig, S., & Djurhuus, J. C. (2003). Functional bladder capacity and urodynamics in males with nocturia. APMIS. Supplementum, (109), 59-65.
Matthiesen TB, Rittig S, Djurhuus JC. Functional Bladder Capacity and Urodynamics in Males With Nocturia. APMIS Suppl. 2003;(109)59-65. PubMed PMID: 12874952.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Functional bladder capacity and urodynamics in males with nocturia. AU - Matthiesen,T B, AU - Rittig,S, AU - Djurhuus,J C, PY - 2003/7/24/pubmed PY - 2003/8/7/medline PY - 2003/7/24/entrez SP - 59 EP - 65 JF - APMIS. Supplementum JO - APMIS Suppl. IS - 109 N2 - Previous studies in males with lower urinary tract symptoms (LUTS) have shown that nocturia in some patients is associated with nocturnal polyuria whereas other patients have preserved circadian urine output rhythm. This outpatient study based on 7-dayss frequency/volume (FV) charts showed that patients with nocturnal polyuria and age-matched controls without nocturia had a diurnal variation in functional bladder capacity (FBC) with higher night-time values. In contrast, patients without nocturnal polyuria no diurnal variation was observed in FBC with lower day and night-time values than both controls and nocturnal polyuric patients. Nocturia volumes correlated significantly to daytime FBC in both patient groups. Voided volumes obtained from daytime pressure/flow urodynamic investigations correlated significantly with night-time FBC obtained from the FV chart. In patients with LUTS nocturia was caused by nocturnal polyuria in 10 of 23 patients and by diminished night-time functional bladder capacity in the remaining 13 patients. In conclusion, nocturia in males with LUTS referred for BPH evaluation is caused by a mismatch between nocturnal urine production and night-time FBC analogous with the pathophysiology of nocturnal enuresis. The evaluation of circadian urine production and FBC seems mandatory in the assessment of patients with nocturia and LUTS. SN - 0903-465X UR - https://www.unboundmedicine.com/medline/citation/12874952/Functional_bladder_capacity_and_urodynamics_in_males_with_nocturia_ L2 - https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0903-465X&date=2003&volume=&issue=109&spage=59 DB - PRIME DP - Unbound Medicine ER -