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Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/2753

Title: The impact of obstructive sleep apnea syndrome on nocturnal urine production in older men with nocturia.
Other Titles: 高齢夜間頻尿患者における夜間尿産生に対する閉塞性睡眠時無呼吸症候群の影響
Authors: Hoshiyama, Fumiaki
Hirayama, Akihide
Tanaka, Masahiro
Taniguchi, Mitsutaka
Ohi, Motoharu
Momose, Hitoshi
Nakamura, Takahito
Ogawa, Shuhei
Torimoto, Kazumasa
Tanaka, Nobumichi
Fujimoto, Kiyohide
Issue Date: Oct-2014
Publisher: Elsevier Science
Citation: Urology Vol.84 No.4 p.892-896
Abstract: OBJECTIVE: To investigate the impact of obstructive sleep apnea syndrome (OSAS) on night-time secretion of brain natriuretic peptide (BNP) and antidiuretic hormone (ADH) in older men with nocturia accompanied by nocturnal polyuria. MATERIALS AND METHODS: One hundred six men with nocturia aged ≥ 60 years underwent full-night polysomnography to determine whether they had OSAS. Blood count, standard chemistry panel, BNP, urinary ADH, urinary creatinine (u-Cre), and urinary osmolarity were measured at 6:00 AM, and a frequency volume chart was recorded on the same day that polysomnography was performed. RESULTS: We evaluated 83 patients after excluding 18 with mild OSAS and 5 with nocturnal polyuria index <0.35. Participants with OSAS had higher apnea-hypopnea index (P < .0001) than those without OSAS. Body mass index and systolic blood pressure were higher in OSAS patients than those in the control group. BNP was higher in the OSAS patients than in the control patients (48.6 ± 41.4 vs 30.7 ± 31.5; P = .0006). On urinalysis, OSAS patients showed higher urinary sodium and u-Cre secretion than controls (24.7 ± 11.3 vs 16.2 ± 5.1; P <.0001). Urine osmolarity was also higher in OSAS patients than in the control patients (616 ± 172 vs 516 ± 174; P = .0285). There was no significant difference in urinary ADH and u-Cre (6.7 ± 10.4 vs 6.8 ± 7.8; P = .3617) between the 2 groups. CONCLUSION: Our results indicated that older men with nocturnal polyuria and OSAS did not compensate their fluid imbalance presented with decreased secretion of ADH but increased BNP level.
Description: 博士(医学)・乙第1349号・平成26年12月3日
Copyright © 2014 Elsevier Inc. All rights reserved.
URI: http://hdl.handle.net/10564/2753
ISSN: 00904295
Academic Degrees and number: 24601B1349
Degree-granting date: 2014-12-03
Degree name: 博士(医学)
Degree-granting institutions: 奈良県立医科大学
Appears in Collections:2014年度

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