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Published on: May 9, 2018
High power potassium-titanyl-phosphate laser vaporization prostatectomy
R S Malek1, R S Kuntzman, D M Barrett
1Department of Urology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA.
The Journal of Urology
|May 8, 2000
Summary
Potassium-titanyl-phosphate (KTP) laser vaporization prostatectomy effectively treats benign prostatic hyperplasia, offering rapid symptom relief and high patient satisfaction with minimal complications over two years.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Laser Therapeutics
Background:
- Benign prostatic hyperplasia (BPH) is a common condition causing bladder outlet obstruction.
- Surgical intervention is often required to alleviate symptoms.
Purpose of the Study:
- To evaluate the safety and efficacy of potassium-titanyl-phosphate (KTP) laser vaporization prostatectomy for BPH.
- To assess long-term outcomes and patient satisfaction.
Main Methods:
- Prospective study of 55 men with symptomatic BPH undergoing KTP laser vaporization.
- Utilized a 60 W KTP laser delivered via a side-deflecting fiber.
- Prostatic lobes were vaporized to within capsular fibers.
Main Results:
- Significant improvement in American Urological Association symptom score (up to 82%) and peak flow rate (up to 278%).
- No significant blood loss or fluid absorption; no blood transfusions required.
- Low complication rates: transient dysuria (7%), bladder neck contracture (2%), delayed hematuria (4%).
Conclusions:
- 60 W KTP laser vaporization prostatectomy is a safe and effective treatment for BPH.
- Provides rapid relief of bladder outlet obstruction with minimal postoperative complications.
- Achieves high patient satisfaction and good long-term voiding outcomes.

