FIRST EXPERIENCE OF HO:YAG LASER URETHROTOMY IN THE TREATMENT OF STRICTURES IN PATIENTS WITH PROSTATE CANCER


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Abstract

Strictures of vesicourethral anastomosis (VUA), urethral strictures, and bladder neck obliteration are frequent complications occurring after treatment for prostate cancer and dramatically reducing the quality of life of the patients. To date, there is no single standard treatment of urethral strictures. One of the promising methods is laser optical urethrotomy using a solid-state Ho:YAG- laser. Since 2012, we treated 12 patients with strictures of VUA, urethral strictures, and bladder neck obliteration. According urethrography, the maximum length of stricture was 4.5 cm. Treatment efficacy was assessed at 6 months after surgery objectively according urethrography, uroflowmetry, and ultrasound of the bladder with the definition of residual urine; and subjectively - by IPSS questionnaire and QoL questionnaire. After removal of the urethral catheter, all patients had recovered independent urination, decreased IPSS scores by 59,5%, IPSS-QoL score by 45.87 %, decreased residual urine volume by 89.92 %, and increased maximum urinary flow rate by 78.19 %. Intraoperative complications and early postoperative complications were not observed. Ho:YAG laser is a minimally invasive and safe tool for urethrotomy of strictures of VUA, urethral strictures, and bladder neck obliteration arising after treatment for prostate cancer. Definitive conclusions about the effectiveness of this method should be based on long-term results of comparative trials.

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About the authors

A. A Lebedinets

FSBI «Russian Research Center for Radiology and Surgical Technologies»

Email: andrey.lebedinets@yandex.ru
Department of Interventional Radiology and Operative Urology St. Petersburg

M. I Shkolnik

FSBI «Russian Research Center for Radiology and Surgical Technologies»

Department of Interventional Radiology and Operative Urology St. Petersburg

D. A Timofeev

FSBI «Russian Research Center for Radiology and Surgical Technologies»

Department of Interventional Radiology and Operative Urology St. Petersburg

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