{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T08:06:58Z","timestamp":1790755618658,"version":"4.1.0"},"reference-count":19,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2017,6,2]],"date-time":"2017-06-02T00:00:00Z","timestamp":1496361600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["LUTS"],"published-print":{"date-parts":[[2018,9]]},"abstract":"Objectives<\/jats:title>We report early experiences of contact laser vaporization of the prostate for symptomatic benign prostatic hyperplasia (BPH<\/jats:styled-content>).<\/jats:p><\/jats:sec>Methods<\/jats:title>A total of 80 patients recruited at four institutions in J<\/jats:styled-content>apan from A<\/jats:styled-content>pril 2013 through S<\/jats:styled-content>eptember 2014 underwent contact laser vaporization of the prostate using 980\u2009nm high power diode laser with an end\u2010firing fiber in the contact mode. Patients were followed prospectively at 1\u2009day, 2, 4, 8, 12, and 24\u2009weeks, postoperatively per protocol, and at 1 and 2\u2009years post\u2010protocol.<\/jats:p><\/jats:sec>Results<\/jats:title>Of 76 eligible patients, 64 (84.2%) achieved more than 50% decrease in I<\/jats:styled-content>nternational P<\/jats:styled-content>rostate S<\/jats:styled-content>ymptom S<\/jats:styled-content>core at 24\u2009weeks (95% confidence interval: 74.0\u201391.6%), clearing the pre\u2010fixed non\u2010inferiority efficacy level to transurethral resection of the prostate (65%). Symptom scores, maximum flow rate, post\u2010void residual urine, and prostate volume showed significant improvements at 12 and 24\u2009weeks after the surgery. Perioperative complications included transient urinary retention (n<\/jats:italic>\u2009=\u200920), retrograde ejaculation (5), bladder neck contracture (4), urethral stricture (3), stone in prostatic bed (3), bladder stone (2), bladder perforation (1), bladder deformity (1), and transient urgency incontinence (1). Urinary retention and bladder neck contracture occurred almost exclusively at one institution. Improved symptom scores, maximum flow rate, and post\u2010void residual urine observed at 24\u2009weeks remained virtually unchanged at 1 and 2\u2009years.<\/jats:p><\/jats:sec>Conclusions<\/jats:title>Early experience of contact laser vaporization in J<\/jats:styled-content>apan showed efficacy comparable to transurethral resection of the prostate as a surgical procedure for BPH<\/jats:styled-content> at 24\u2009weeks. Long\u2010term efficacy of the procedure remains uncertain.<\/jats:p><\/jats:sec>","DOI":"10.1111\/luts.12173","type":"journal-article","created":{"date-parts":[[2017,6,2]],"date-time":"2017-06-02T08:22:50Z","timestamp":1496391770000},"page":"242-246","source":"Crossref","is-referenced-by-count":13,"title":["Early Experiences of Contact Laser Vaporization of the Prostate using the 980\u2009nm High Power Diode Laser for Benign Prostatic Hyperplasia"],"prefix":"10.1111","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8985-7702","authenticated-orcid":false,"given":"Hideyo","family":"MIYAZAKI","sequence":"first","affiliation":[{"name":"Department of Urology, Graduate School of Medicine The University of Tokyo Tokyo Japan"},{"name":"Department of Urology The Fraternity Memorial Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshikazu","family":"HIRANO","sequence":"additional","affiliation":[{"name":"Department of Urology The Fraternity 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