{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T09:35:38Z","timestamp":1762508138889,"version":"3.37.3"},"reference-count":26,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2020,6,5]],"date-time":"2020-06-05T00:00:00Z","timestamp":1591315200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Neurourology and Urodynamics"],"published-print":{"date-parts":[[2020,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aims<\/jats:title><jats:p>Nocturnal polyuria (NP) is caused by a wide array of factors, including genitourinary and systemic comorbidities, modifiable behavior, and pharmaceuticals. When an identifying factor is absent, NP may be purely a symptom of the nocturnal polyuria syndrome (NPS) and secondary to blunting of normal arginine vasopressin action within the circadian rhythm. The purpose of this study is to determine the prevalence of NPS in male patients attending a Veterans Affairs outpatient urology clinic.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Retrospective database analysis was performed of voiding diaries from men who had established care for lower urinary tract symptoms from 2007 to 2018. Patients were excluded if they reported fewer than two nocturnal voids on voiding diary analysis or had comorbidity associated with NP. Distinct cutoffs were separately employed to identify NP: nocturnal polyuria index (NPi; calculated as nocturnal urine volume divided by 24\u2010hour urine volume) greater than 0.33; and nocturnal urine production (NUP) greater than 90\u2009mL\/h.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 283 completed voiding diaries were evaluated and 202 patients had \u22652 nocturnal voids. After exclusions, at NPi\u00a0greater than 33, the floor and ceiling NPS prevalence values were 21% and 41%, respectively. At NUP greater than 90\u2009mL\/h, the floor and ceiling NPS prevalence values were 17% and 32%, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The prevalence of NPS in patients with nocturia in the present study lies between 17% and 41%. NPS constitutes a clinically relevant subgroup of nocturia among male patients in the Veterans Affairs outpatient urology setting.<\/jats:p><\/jats:sec>","DOI":"10.1002\/nau.24403","type":"journal-article","created":{"date-parts":[[2020,6,5]],"date-time":"2020-06-05T16:28:35Z","timestamp":1591374515000},"page":"1732-1736","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Prevalence of the nocturnal polyuria syndrome in men"],"prefix":"10.1002","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6748-452X","authenticated-orcid":false,"given":"Curran J.","family":"Emeruwa","sequence":"first","affiliation":[{"name":"Department of Urology SUNY Downstate Health Sciences University  Brooklyn New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthew R.","family":"Epstein","sequence":"additional","affiliation":[{"name":"Department of Urology SUNY Downstate Health Sciences University  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