{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T08:24:26Z","timestamp":1768551866664,"version":"3.49.0"},"reference-count":13,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2017,11,9]],"date-time":"2017-11-09T00:00:00Z","timestamp":1510185600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"KAKENHI","award":["16K20152"],"award-info":[{"award-number":["16K20152"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["LUTS"],"published-print":{"date-parts":[[2019,4]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>Urethral stenosis is a disease in which the lumen of the urethra becomes constricted by fibrosis. Such stenoses have been treated by urethral dilation using a bougie and optical internal urethrotomy (OIU). Recently, high\u2010pressure balloon dilation (BD) has been developed as a new treatment method for urethral stenosis. The present study compared the effectiveness of urethral dilation by BD and OIU.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Twenty\u2010two patients of urethral stenosis were treated at Yokohama City University Medical Center between 2005 and 2015. Of these, 13 underwent BD, whereas OIU was performed in 9. BD was performed at 30\u2009atm twice for 5\u2009min each time. In OIU, an endoscopic knife was used to cut out the stenotic lesion in 3 directions. The endpoint was set as restenosis, which required additional surgical treatment, including BD, OIU, and the use of a urethral bougie.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The causes of urethral stricture were endoscopic surgery (n\u2009=\u20097; 31.8%), development after total prostatectomy (n\u2009=\u20094; 18.2%), iatrogenic reasons associated with catheter insertion (n\u2009=\u20095; 22.7%), development after a prostate needle biopsy (n\u2009=\u20093; 13.6%), and unknown (n\u2009=\u20093; 13.6%). The site of the stenotic lesion site was the anastomosis (n\u2009=\u20093; 13.6%), bladder neck (n\u2009=\u20096; 27.3%), prostatic urethra (n\u2009=\u20094; 18.2%), anterior urethra (n\u2009=\u20097; 31.8%), and membranous urethra (n\u2009=\u20092; 9.1%). The stenosis\u2010free rate was 84% for those undergoing BD and 22% for those receiving OIU. The median stenosis\u2010free time was significantly longer after BD than OIU (1675 vs. 244\u2009days, respectively; <jats:italic>P<\/jats:italic>\u2009&lt;\u2009.01).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The stenosis\u2010free time was significantly longer after BD than OIU.<\/jats:p><\/jats:sec>","DOI":"10.1111\/luts.12208","type":"journal-article","created":{"date-parts":[[2017,11,9]],"date-time":"2017-11-09T05:56:46Z","timestamp":1510207006000},"source":"Crossref","is-referenced-by-count":5,"title":["Management of urethral stricture: High\u2010pressure balloon dilation versus optical internal urethrotomy"],"prefix":"10.1111","volume":"11","author":[{"given":"Yohei","family":"Kumano","sequence":"first","affiliation":[{"name":"Departments of Urology and Renal Transplantation Yokohama City University Medical Center  Yokohama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7049-3379","authenticated-orcid":false,"given":"Takashi","family":"Kawahara","sequence":"additional","affiliation":[{"name":"Departments of Urology and Renal Transplantation Yokohama City University Medical Center  Yokohama Japan"},{"name":"Department of Urology Yokohama City University Graduate School of Medicine  Yokohama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Taku","family":"Mochizuki","sequence":"additional","affiliation":[{"name":"Departments of Urology and Renal Transplantation Yokohama City University Medical Center  Yokohama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daiji","family":"Takamoto","sequence":"additional","affiliation":[{"name":"Departments of Urology and Renal Transplantation Yokohama City University Medical Center  Yokohama 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Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuhide","family":"Miyoshi","sequence":"additional","affiliation":[{"name":"Departments of Urology and Renal Transplantation Yokohama City University Medical Center  Yokohama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasushi","family":"Yumura","sequence":"additional","affiliation":[{"name":"Departments of Urology and Renal Transplantation Yokohama City University Medical Center  Yokohama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masahiro","family":"Yao","sequence":"additional","affiliation":[{"name":"Department of Urology Yokohama City University Graduate School of Medicine  Yokohama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroji","family":"Uemura","sequence":"additional","affiliation":[{"name":"Departments of Urology and Renal Transplantation Yokohama City University Medical Center  Yokohama 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