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Analysis of nocturia with 24-h urine volume, nocturnal urine volume, nocturnal bladder capacity and length of sleep duration: concept for effective treatment modality.
BJU Int. 2011 Mar; 107(5):791-798.BI

Abstract

OBJECTIVE

• To determine the relationship between the number of nocturia and 24-h urine volume, nocturnal urine volume, nocturnal bladder capacity and length of sleep duration as well as to assess the significance of these factors with respect to eliminating nocturnal voidings in individual patients with nocturia.

PATIENTS AND METHODS

• Among 532 participants who completed a 3-day bladder diary between April 2005 and December 2006, the diaries of 450 participants without 24-h polyuria were analyzed. • Clinical variables such as the number of daytime and night-time voids, 24-h urine volume, nocturnal polyuria index, daytime and night-time maximum voided volumes (MVV), night/day MVV ratio, sleep duration and proportion of night/day urine production rates were obtained from each diary. • Participants were classified into eight groups according to values of three factors: nocturnal MVV, proportion of night/day urine production rates and length of sleep duration. • Each group was divided into three subgroups: non-nocturics (number of nocturnal voidings is zero), mild nocturics (number of nocturnal voidings is one) and severe nocturics (number of nocturnal voidings is two or more). • The data from non-nocturics with three normal factors were regarded as the normal control and compared with the variables of the other subgroups using Dunnett's method.

RESULTS

• Variables that form the basis of classifying participants into eight groups and corresponding to abnormal factors of each group were statistically significant in all the subgroups of each group. • Furthermore, a significantly increased 24-h urine volume was found in severe nocturics of the group with three normal factors. • A significantly decreased 24-h urine volume was found in non-nocturics of groups with nocturnal polyuria, decreased bladder capacity and both long sleep duration and nocturnal polyuria. • A significantly increased nocturnal MVV and night/day MVV ratio were shown in non-nocturics and mild nocturics of the groups with nocturnal polyuria and both long sleep duration and nocturnal polyuria.

CONCLUSIONS

• Because nocturia is a multifactorial disorder and closely related to four factors (i.e. 24-h urine volume, nocturnal urine volume, nocturnal bladder capacity and length of sleep duration), the evaluation of all these factors appears to be clinically useful for determining the main contributing factor in patients with nocturia as well as the suitable treatment modality on an individual basis. • Physicians should take all these factors into consideration in the evaluation and treatment of nocturia.

Authors+Show Affiliations

Department of Urology,Department of Clinical Acupuncture and Moxibustion, Meiji University of Integrative Medicine, Nantan,Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.Department of Urology,Department of Clinical Acupuncture and Moxibustion, Meiji University of Integrative Medicine, Nantan,Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.Department of Urology,Department of Clinical Acupuncture and Moxibustion, Meiji University of Integrative Medicine, Nantan,Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.Department of Urology,Department of Clinical Acupuncture and Moxibustion, Meiji University of Integrative Medicine, Nantan,Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.Department of Urology,Department of Clinical Acupuncture and Moxibustion, Meiji University of Integrative Medicine, Nantan,Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.Department of Urology,Department of Clinical Acupuncture and Moxibustion, Meiji University of Integrative Medicine, Nantan,Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.Department of Urology,Department of Clinical Acupuncture and Moxibustion, Meiji University of Integrative Medicine, Nantan,Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

20804481

Citation

Udo, Yukihiro, et al. "Analysis of Nocturia With 24-h Urine Volume, Nocturnal Urine Volume, Nocturnal Bladder Capacity and Length of Sleep Duration: Concept for Effective Treatment Modality." BJU International, vol. 107, no. 5, 2011, pp. 791-798.
Udo Y, Nakao M, Honjo H, et al. Analysis of nocturia with 24-h urine volume, nocturnal urine volume, nocturnal bladder capacity and length of sleep duration: concept for effective treatment modality. BJU Int. 2011;107(5):791-798.
Udo, Y., Nakao, M., Honjo, H., Ukimura, O., Kawauchi, A., Kitakoji, H., & Miki, T. (2011). Analysis of nocturia with 24-h urine volume, nocturnal urine volume, nocturnal bladder capacity and length of sleep duration: concept for effective treatment modality. BJU International, 107(5), 791-798. https://doi.org/10.1111/j.1464-410X.2010.09581.x
Udo Y, et al. Analysis of Nocturia With 24-h Urine Volume, Nocturnal Urine Volume, Nocturnal Bladder Capacity and Length of Sleep Duration: Concept for Effective Treatment Modality. BJU Int. 2011;107(5):791-798. PubMed PMID: 20804481.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Analysis of nocturia with 24-h urine volume, nocturnal urine volume, nocturnal bladder capacity and length of sleep duration: concept for effective treatment modality. AU - Udo,Yukihiro, AU - Nakao,Masahiro, AU - Honjo,Hisashi, AU - Ukimura,Osamu, AU - Kawauchi,Akihiro, AU - Kitakoji,Hiroshi, AU - Miki,Tsuneharu, Y1 - 2010/08/26/ PY - 2010/9/1/entrez PY - 2010/9/2/pubmed PY - 2011/4/26/medline SP - 791 EP - 798 JF - BJU international JO - BJU Int. VL - 107 IS - 5 N2 - OBJECTIVE: • To determine the relationship between the number of nocturia and 24-h urine volume, nocturnal urine volume, nocturnal bladder capacity and length of sleep duration as well as to assess the significance of these factors with respect to eliminating nocturnal voidings in individual patients with nocturia. PATIENTS AND METHODS: • Among 532 participants who completed a 3-day bladder diary between April 2005 and December 2006, the diaries of 450 participants without 24-h polyuria were analyzed. • Clinical variables such as the number of daytime and night-time voids, 24-h urine volume, nocturnal polyuria index, daytime and night-time maximum voided volumes (MVV), night/day MVV ratio, sleep duration and proportion of night/day urine production rates were obtained from each diary. • Participants were classified into eight groups according to values of three factors: nocturnal MVV, proportion of night/day urine production rates and length of sleep duration. • Each group was divided into three subgroups: non-nocturics (number of nocturnal voidings is zero), mild nocturics (number of nocturnal voidings is one) and severe nocturics (number of nocturnal voidings is two or more). • The data from non-nocturics with three normal factors were regarded as the normal control and compared with the variables of the other subgroups using Dunnett's method. RESULTS: • Variables that form the basis of classifying participants into eight groups and corresponding to abnormal factors of each group were statistically significant in all the subgroups of each group. • Furthermore, a significantly increased 24-h urine volume was found in severe nocturics of the group with three normal factors. • A significantly decreased 24-h urine volume was found in non-nocturics of groups with nocturnal polyuria, decreased bladder capacity and both long sleep duration and nocturnal polyuria. • A significantly increased nocturnal MVV and night/day MVV ratio were shown in non-nocturics and mild nocturics of the groups with nocturnal polyuria and both long sleep duration and nocturnal polyuria. CONCLUSIONS: • Because nocturia is a multifactorial disorder and closely related to four factors (i.e. 24-h urine volume, nocturnal urine volume, nocturnal bladder capacity and length of sleep duration), the evaluation of all these factors appears to be clinically useful for determining the main contributing factor in patients with nocturia as well as the suitable treatment modality on an individual basis. • Physicians should take all these factors into consideration in the evaluation and treatment of nocturia. SN - 1464-410X UR - https://www.unboundmedicine.com/medline/citation/20804481/Analysis_of_nocturia_with_24_h_urine_volume_nocturnal_urine_volume_nocturnal_bladder_capacity_and_length_of_sleep_duration:_concept_for_effective_treatment_modality_ L2 - https://doi.org/10.1111/j.1464-410X.2010.09581.x DB - PRIME DP - Unbound Medicine ER -