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ANZ journal of surgery

Photoselective vaporization of the prostate using the 180W lithium triborate laser.


PMID 22507245

Abstract

Photoselective vaporization of the prostate (PVP) is widely used to treat benign prostatic obstruction (BPO), but there is little experience reported on the new more powerful 180W lithium triborate (LBO) laser. This study evaluates the safety and efficacy of using the 180W LBO laser to treat BPO by examining a multicentre Australian experience. Retrospective review of prospectively collected data on all men treated by 180W LBO laser PVP by eight urologists across six Australian hospitals, from July 2011 to August 2011, was performed. Perioperative and functional outcomes were examined at baseline and 3 months. Of the 85 men (median age 70 years, prostate volume 51 cm(3)) identified, 27% (23/85) were in urinary retention and 44% (37/85) were taking antiplatelet/anticoagulant medication. Median operating time was 46 min, laser time 27 min, energy use 211 kJ, post-operative duration of catheterization 15 h and hospitalization 22 h. Functional outcomes from baseline to 3 months, respectively, were for IPSS 25-7; QoL 5-2; Qmax 7.7-18.4; and PVR 147-38. All improvements were statistically significant (P < 0.01). Thirty-eight percent (32/85) of patients experienced at least one adverse event. Most adverse events were low Clavien-Dindo grade I-II. There were five grade III, two grade IV and no grade V adverse events. Sixty per cent (51/85) of men were able to be discharged home voiding successfully without a catheter within 24-h post-PVP. Our early multicentre Australian experience indicates the 180W LBO laser PVP is an efficacious and safe treatment for BPO.