Transurethral canine prostatectomy with a cylindrically diffusing fiber

Douglas M. Cromeens D.V.M.; Douglas E. Johnson M.D.; Roger E. Price D.V.M.

doi:10.1117/12.184944

7 September 1994 Transurethral canine prostatectomy with a cylindrically diffusing fiber

Douglas M. Cromeens D.V.M., Douglas E. Johnson M.D., Roger E. Price D.V.M.

Proceedings Volume 2128, Laser Surgery: Advanced Characterization, Therapeutics, and Systems IV; (1994) https://doi.org/10.1117/12.184944
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

In this study, visual laser ablation of the prostate (VLAP) was performed on eight mongrel dogs utilizing a cylindrically diffusing fiber attached to a 1.06 neodymium:YAG (Nd:YAG) laser. All dogs received one continuous dose totaling 15,000 J (25 W for 10 min) applied from the vesical neck to the colliculus seminalis. There was no visible hemorrhage from the lasing intraoperatively in any dog. Postoperative recovery was uneventful with no dog experiencing urinary incontinence and only one incident of dysuria with urinary retention during their observation period. Gross and histopathologic examinations of serial sections of the prostate were performed from 2 hours to 7 weeks postoperatively and demonstrated a consistent spherical zone of destruction 2.9 cm (average) in diameter. We believe the simplified fiber placement and complete lack of postoperative complications in this small group of dogs suggest that the cylindrically diffusing fiber offers significant advantage over laterally deflecting fibers for transurethral prostatectomies in the dog.

Citation Download Citation

Douglas M. Cromeens D.V.M., Douglas E. Johnson M.D., and Roger E. Price D.V.M. "Transurethral canine prostatectomy with a cylindrically diffusing fiber", Proc. SPIE 2128, Laser Surgery: Advanced Characterization, Therapeutics, and Systems IV, (7 September 1994); https://doi.org/10.1117/12.184944

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