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The impact of nocturnal polyuria in older people with nocturnal LUTS.
Minerva Urol Nefrol. 2017 Aug; 69(4):377-383.MU

Abstract

BACKGROUND

Bladder dysfunctions often express the presence of lower urinary tract symptoms (LUTS) and are common in older people. The aim of this study was to analyze the micturition, incontinence and residual in older subjects, evaluating the role of nocturnal polyuria.

METHODS

Eighty-six patients aged 65 or older with invalidating LUTS were hospitalized for 24 hours. The maximum bladder capacity, mean micturition volume, post voiding residual and incontinence volume were recorded and analyzed day-time and night-time. Three groups were defined, i.e. nocturia, nocturnal incontinence and nocturnal polyuria (NP), and patients with or without NP were analyzed.

RESULTS

With a majority of female patients 85% and a mean age of 74.3±5.96 years, a high incidence of nocturia (76%) was observed. NP was associated with nocturia in 56 patients (86%). In the three groups, the maximum bladder capacity and mean micturition volume were statistically higher during the night. Patients with nocturia or nocturnal incontinence associated to NP presented with a higher nocturnal maximum bladder capacity and mean micturition volume. A higher nocturnal post-void residual (PVR) was observed in patients with Nocturnal Incontinence associated with NP (P=0.03). Patients without NP presented significantly higher diurnal results.

CONCLUSIONS

Nocturnal LUTS in older people is the result of a high nocturnal urine production related to NP with a higher nocturnal bladder capacity. The analyses of micturition, incontinence and PVR, and the accurate evaluation of the presence or absence of NP seems to be the key point for a better therapeutic choice in patients suffering by Nocturnal LUTS.

Authors+Show Affiliations

Department of Urology, Ghent University Hospital, Ghent, Belgium - olalu@hotmail.it. Department of Urology, Sant'Andrea University Hospital, Rome, Italy - olalu@hotmail.it.Department of Urology, Ghent University Hospital, Ghent, Belgium.Department of Urology, Ghent University Hospital, Ghent, Belgium.Department of Urology, Sant'Andrea University Hospital, Rome, Italy.Department of Urology, Ghent University Hospital, Ghent, Belgium.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27706125

Citation

Lopes Mendes, Ana L., et al. "The Impact of Nocturnal Polyuria in Older People With Nocturnal LUTS." Minerva Urologica E Nefrologica = the Italian Journal of Urology and Nephrology, vol. 69, no. 4, 2017, pp. 377-383.
Lopes Mendes AL, Decalf V, Denys MA, et al. The impact of nocturnal polyuria in older people with nocturnal LUTS. Minerva Urol Nefrol. 2017;69(4):377-383.
Lopes Mendes, A. L., Decalf, V., Denys, M. A., Tubaro, A., & Everaert, K. (2017). The impact of nocturnal polyuria in older people with nocturnal LUTS. Minerva Urologica E Nefrologica = the Italian Journal of Urology and Nephrology, 69(4), 377-383. https://doi.org/10.23736/S0393-2249.16.02745-4
Lopes Mendes AL, et al. The Impact of Nocturnal Polyuria in Older People With Nocturnal LUTS. Minerva Urol Nefrol. 2017;69(4):377-383. PubMed PMID: 27706125.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The impact of nocturnal polyuria in older people with nocturnal LUTS. AU - Lopes Mendes,Ana L, AU - Decalf,Veerle, AU - Denys,Marie-Astrid, AU - Tubaro,Andrea, AU - Everaert,Karel, Y1 - 2016/10/05/ PY - 2016/10/6/pubmed PY - 2018/8/23/medline PY - 2016/10/6/entrez SP - 377 EP - 383 JF - Minerva urologica e nefrologica = The Italian journal of urology and nephrology JO - Minerva Urol Nefrol VL - 69 IS - 4 N2 - BACKGROUND: Bladder dysfunctions often express the presence of lower urinary tract symptoms (LUTS) and are common in older people. The aim of this study was to analyze the micturition, incontinence and residual in older subjects, evaluating the role of nocturnal polyuria. METHODS: Eighty-six patients aged 65 or older with invalidating LUTS were hospitalized for 24 hours. The maximum bladder capacity, mean micturition volume, post voiding residual and incontinence volume were recorded and analyzed day-time and night-time. Three groups were defined, i.e. nocturia, nocturnal incontinence and nocturnal polyuria (NP), and patients with or without NP were analyzed. RESULTS: With a majority of female patients 85% and a mean age of 74.3±5.96 years, a high incidence of nocturia (76%) was observed. NP was associated with nocturia in 56 patients (86%). In the three groups, the maximum bladder capacity and mean micturition volume were statistically higher during the night. Patients with nocturia or nocturnal incontinence associated to NP presented with a higher nocturnal maximum bladder capacity and mean micturition volume. A higher nocturnal post-void residual (PVR) was observed in patients with Nocturnal Incontinence associated with NP (P=0.03). Patients without NP presented significantly higher diurnal results. CONCLUSIONS: Nocturnal LUTS in older people is the result of a high nocturnal urine production related to NP with a higher nocturnal bladder capacity. The analyses of micturition, incontinence and PVR, and the accurate evaluation of the presence or absence of NP seems to be the key point for a better therapeutic choice in patients suffering by Nocturnal LUTS. SN - 1827-1758 UR - https://www.unboundmedicine.com/medline/citation/27706125/The_impact_of_nocturnal_polyuria_in_older_people_with_nocturnal_LUTS_ L2 - https://www.minervamedica.it/index2.t?show=R19Y2017N04A0377 DB - PRIME DP - Unbound Medicine ER -