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Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/3551

Title: Increased Urine Production Due to Leg Fluid Displacement Reduces Hours of Undisturbed Sleep.
Other Titles: 臥床早期の下肢水分移行はHUSを減少させる
Authors: Kiba, Keisuke
Hirayama, Akihide
Yoshikawa, Motokiyo
Yamamoto, Yutaka
Torimoto, Kazumasa
Shimizu, Nobutaka
Tanaka, Nobumichi
Fujimoto, Kiyohide
Uemura, Hirotsugu
Keywords: bioelectric impedance analysis
body position changing
hours of undisturbed sleep
leg edema
Issue Date: Sep-2018
Publisher: John Wiley and Sons, Inc.
Citation: Lower urinary tract symptoms Vol.10 No.3 p.253-258 (2018 Sep)
Abstract: OBJECTIVE: To investigate whether or not the leg fluid displacement observed when moving from the standing to recumbent position at bedtime reduces the hours of undisturbed sleep (HUS). METHODS: Men aged 50 years or older who were hospitalized for urological diseases were investigated. Body water evaluation was performed three times with a bioelectric impedance method: (i) 17:00, (ii) 30 min after (short-term), and (iii) waking up (long-term). A frequency volume chart was used to evaluate the status of nocturnal urine production, and the factors affecting HUS were investigated. RESULTS: A total of 50 patients (mean age: 68 years) were enrolled. Short-term changes in extracellular fluid (ECF in the legs showed a significant positive correlation with urine production per unit of time at the first nocturnal voiding (UFN/HUS) (r = 0.45, P = 0.01). In the comparison between patients who had <3 HUS vs. those who had ≥3 HUS, the <3 HUS group showed significantly greater short-term changes in leg fluid volume, night-time water intake (17:00-06:00), and UFN/HUS. Multivariate analysis to assess the risk factors for <3 HUS indicated UFN/HUS as a risk factor in the overall model, and short-term changes in leg ECF and night-time water intake as risk factors in the model that only considered factors before sleep. CONCLUSIONS: Nocturnal leg fluid displacement may increase urine production leading up to first voiding after going to bed, and consequently, induce early awakening after falling asleep.
Description: 博士(医学)・甲第703号・平成31年3月15日
© 2017 John Wiley & Sons Australia, Ltd
This is the pre-peer reviewed version of the following article: [https://onlinelibrary.wiley.com/doi/10.1111/luts.12176], which has been published in final form at [http://dx.doi.org/10.1111/luts.12176]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
URI: http://hdl.handle.net/10564/3551
ISSN: 17575664
DOI: http://dx.doi.org/10.1111/luts.12176
Academic Degrees and number: 24601A703
Degree-granting date: 2019-03-15
Degree name: 博士(医学)
Degree-granting institutions: 奈良県立医科大学
Appears in Collections:2018年度

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