{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,25]],"date-time":"2026-02-25T09:43:03Z","timestamp":1772012583657,"version":"3.50.1"},"reference-count":22,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2012,12,31]],"date-time":"2012-12-31T00:00:00Z","timestamp":1356912000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Lasers Surg Med"],"published-print":{"date-parts":[[2013,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background and Objective<\/jats:title><jats:p>Preclinical studies suggest an increased vaporization rate and speed of the 532\u2009nm 180\u2010W XPS GreenLight laser (180\u2010W) compared with the 120\u2010W HPS GreenLight laser (120\u2010W) and the 80\u2010W PV GreenLight laser (80\u2010W). To test the clinical relevance of this observation we analyzed intraoperative data and early postoperative results after photoselective vaporization of the prostate (PVP) with the 180\u2010W, 120\u2010W, and 80\u2010W laser.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Design\/Materials and Methods<\/jats:title><jats:p>A retrospective pair\u2010to\u2010pair comparison was performed including 80 consecutive patients who underwent PVP for the treatment of benign prostate enlargement with the 180\u2010W, 120\u2010W, and 80\u2010W laser. The groups matched concerning age, prostate volume, PSA\u2010value, and preoperative catheterization. Primary study outcome measurement was PSA\u2010value reduction at 3 months; intraoperative data, perioperative complications, and early postoperative functional course were secondary study outcome measurements.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Energy application per case (kJ), preoperative prostate volume (kJ\/ml) operating time (kJ\/minute), and lasing time (kJ\/minute) was significantly higher with the 180\u2010W laser. Prevalence of impaired visibility due to bleeding was comparable between the 180\u2010W and the 120\u2010W laser but significantly lower with 80\u2010W. Duration of hospitalization was shorter with the 180\u2010W laser compared to the former laser systems. During the postoperative course of 3 months voiding parameters and micturition symptoms significantly improved in all groups, the incidence of postoperative dysuria was comparable. Postoperative PSA\u2010value reduction was significantly higher after treatment with the 180\u2010W laser.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>With the 180\u2010W laser, higher energy application and higher speed of tissue vaporization leads to increased tissue vaporization compared to the former 120\u2010W and 80\u2010W laser systems. Clinical efficacy and perioperative safety are maintained with the higher powered laser. Lasers Surg. 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