{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T22:56:04Z","timestamp":1773788164067,"version":"3.50.1"},"reference-count":28,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2014,6,3]],"date-time":"2014-06-03T00:00:00Z","timestamp":1401753600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int J of Urology"],"published-print":{"date-parts":[[2014,10]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>To investigate the impact of visceral fat accumulation on the preoperative erectile function of elderly patients undergoing radical prostatectomy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 83 patients who underwent radical prostatectomy from <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>ugust 2005 through <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>ugust 2013 were included in the present study. Findings at preoperative computed tomography scanning and sleep\u2010related erection were used to determine the objective erectile function. Sleep\u2010related erection was measured with an erectometer during at least three nights, and we assessed the maximum penile circumferential change. The visceral fat ratio was calculated as the ratio of the visceral fat area to the total subcutaneous fat area on computed tomography images, and the influence of these parameters on preoperative erectile function was assessed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In simple linear regression analysis there was a strong correlation between the waist circumference and visceral fat ratio (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.01). A visceral fat ratio of 55% was equivalent to a waist circumference of 85\u2009cm, which is the standard value for central obesity in <jats:styled-content style=\"fixed-case\">J<\/jats:styled-content>apan. Furthermore, the factor that most negatively affected maximum penile circumferential change was the visceral fat ratio. In addition, only a visceral fat ratio of 55% or greater was a significant independent risk factor for declining maximum penile circumferential change in both univariate and multivariate analyses (<jats:italic>P<\/jats:italic>\u2009=\u20090.04 and 0.02, respectively).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The present study is the first to show the utility of the visceral fat ratio as an index of central obesity and the relationship with sleep\u2010related erection in elderly men.<\/jats:p><\/jats:sec>","DOI":"10.1111\/iju.12497","type":"journal-article","created":{"date-parts":[[2014,6,3]],"date-time":"2014-06-03T23:52:59Z","timestamp":1401839579000},"page":"1046-1050","source":"Crossref","is-referenced-by-count":2,"title":["Impact of visceral fat ratio on sleep\u2010related erection: A retrospective study of elderly patients"],"prefix":"10.1111","volume":"21","author":[{"given":"Motoi","family":"Takeuchi","sequence":"first","affiliation":[{"name":"Department of Urology Sapporo Medical University School of Medicine  Sapporo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shin\u2010ichi","family":"Hisasue","sequence":"additional","affiliation":[{"name":"Department of Urology Juntendo University Hospital  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kohei","family":"Hashimoto","sequence":"additional","affiliation":[{"name":"Department of Urology Sapporo Medical University School of Medicine  Sapporo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Taiji","family":"Tsukamoto","sequence":"additional","affiliation":[{"name":"Department of Urology Sapporo Medical University School of Medicine  Sapporo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naoya","family":"Masumori","sequence":"additional","affiliation":[{"name":"Department of Urology Sapporo Medical University School of Medicine  Sapporo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2014,6,3]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.287.3.356"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.2169\/naika.94.794"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.ijir.3901333"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1442-2042.2006.01310.x"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.urology.2006.09.057"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2006.08.108"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1006\/pmed.2000.0643"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0090-4295(00)00614-2"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.ijir.3901196"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2003.11.041"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1532-5415.2001.49088.x"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.7326\/0003-4819-139-3-200308050-00005"},{"key":"e_1_2_8_14_1","first-page":"355","article-title":"Relationship between metabolic syndrome and erectile dysfunction","volume":"6","author":"Gunduz MI","year":"2004","journal-title":"Asian J. 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