title: Gold-tip laser sleeve for a bare fiber.
abstract: A gold-tip laser sleeve for a bare laser fiber has been used for Nd:YAG laser irradiation of the prostate in both the canine model and a pilot clinical series. In the animal model, irradiation was undertaken using the Ablaser catheter through an open suprapubic cystotomy, and the procedure was monitored by video endoscopy via a perineal urethrostomy. Intraprostatic heating profiles were determined using real-time interstitial thermometry. As long as no carbonization occurred, irradiation with higher wattage resulted in higher intraprostatic temperatures. The "popcorn effect" caused a superficial temperature reduction but did not alter the ability of thermal conduction to heat deeper in the prostate. A small series of patients has been treated, with good results.
authors.affiliation: Department of Urology, James Buchanan Brady Foundation, New York Hospital-Cornell Medical Center, NY, USA.
authors.forename: A P
authors.initials: AP
authors.lastname: Perlmutter
authors.forename: J N
authors.initials: JN
authors.lastname: Macaluso
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000818:Animals; D004195:Disease Models, Animal; D004285:Dogs; D005336:Fiber Optic Technology; D005500:Follow-Up Studies; D006046:Gold; D006801:Humans; D053685:Laser Therapy / Q000295:instrumentation*; D008297:Male; D008875:Middle Aged; D010865:Pilot Projects; D011468:Prostatectomy / Q000295:instrumentation*
chemical_list: D006046:Gold