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Dysuria after permanent prostate brachytherapy.

Gregory S Merrick1, Wayne M Butler, Kent E Wallner

  • 1Schiffler Cancer Center, Wheeling Hospital, Wheeling, WV 26003, USA. schifonc@wheelinghosp.com

International Journal of Radiation Oncology, Biology, Physics
|February 28, 2003
PubMed
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Dysuria is common after prostate brachytherapy, peaking at 1 month but usually resolving by 45 months. Factors like nocturia and incomplete voiding correlate with dysuria, but treatment parameters do not predict its severity.

Area of Science:

  • Urology
  • Oncology
  • Radiation Oncology

Background:

  • Prostate cancer treatment often involves quality-of-life assessments.
  • Data on brachytherapy-induced dysuria is limited.
  • Understanding dysuria's incidence and resolution is crucial for patient care.

Purpose of the Study:

  • To evaluate the incidence and temporal pattern of dysuria following prostate brachytherapy.
  • To identify clinical, treatment, and dosimetric factors influencing post-brachytherapy dysuria.
  • To assess the long-term resolution of dysuria.

Main Methods:

  • A cohort of 546 patients undergoing prostate brachytherapy was analyzed.
  • Dysuria was assessed using the International Prostate Symptom Score (IPSS) frequency and severity scales.

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  • Clinical (age, T stage, preimplant IPSS), treatment (hormonal therapy, EBRT, isotope), and dosimetric parameters were evaluated.

    • Main Results:

    • Dysuria incidence peaked at 52% one month post-implantation, with near complete resolution by 45 months.
    • Nocturia and incomplete voiding were identified as key indicators of dysuria.
    • Treatment parameters, hormonal status, and specific dosimetric values did not predict dysuria.

    Conclusions:

    • Dysuria is a common but generally mild side effect of permanent prostate brachytherapy.
    • Most patients experience resolution of dysuria within approximately 45 months.
    • While dysuria typically resolves, its persistence can impact quality of life for up to 36 months.