| The effect of increased maximum power output on perioperative and early postoperative outcome in photoselective vaporization of the prostate. | |
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MedLine Citation:
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PMID: 23280439 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND AND OBJECTIVE: Preclinical studies suggest an increased vaporization rate and speed of the 532 nm 180-W XPS GreenLight laser (180-W) compared with the 120-W HPS GreenLight laser (120-W) and the 80-W PV GreenLight laser (80-W). 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-W, 120-W, and 80-W laser. STUDY DESIGN/MATERIALS AND METHODS: A retrospective pair-to-pair comparison was performed including 80 consecutive patients who underwent PVP for the treatment of benign prostate enlargement with the 180-W, 120-W, and 80-W laser. The groups matched concerning age, prostate volume, PSA-value, and preoperative catheterization. Primary study outcome measurement was PSA-value reduction at 3 months; intraoperative data, perioperative complications, and early postoperative functional course were secondary study outcome measurements. RESULTS: 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-W laser. Prevalence of impaired visibility due to bleeding was comparable between the 180-W and the 120-W laser but significantly lower with 80-W. Duration of hospitalization was shorter with the 180-W 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-value reduction was significantly higher after treatment with the 180-W laser. CONCLUSIONS: With the 180-W laser, higher energy application and higher speed of tissue vaporization leads to increased tissue vaporization compared to the former 120-W and 80-W laser systems. Clinical efficacy and perioperative safety are maintained with the higher powered laser. Lasers Surg. Med. © 2012 Wiley Periodicals, Inc. |
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Authors:
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Malte Rieken; Gernot Bonkat; Georg Müller; Stephen Wyler; Nicole Ebinger Mundorff; Heike Püschel; Thomas Gasser; Alexander Bachmann |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-31 |
Journal Detail:
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Title: Lasers in surgery and medicine Volume: - ISSN: 1096-9101 ISO Abbreviation: Lasers Surg Med Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2013-1-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8007168 Medline TA: Lasers Surg Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Wiley Periodicals, Inc. |
Affiliation:
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Department of Urology, University Hospital Basel, Spitalstrasse 21, 4031 Basel, Switzerland. mrieken@uhbs.ch. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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