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Related Experiment Videos

[The urodynamic examination in prostatism]

J Svihra1, A L Poulsen, J Schou

  • 1Urologická klinika JLF, Martin.

Rozhledy V Chirurgii : Mesicnik Ceskoslovenske Chirurgicke Spolecnosti
|October 1, 1993
PubMed
Summary
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The Score of Prostatic Symptoms (PSS) did not correlate with objective obstruction in men with benign prostatic hyperplasia. Free uroflowmetry showed high sensitivity for detecting obstruction.

Area of Science:

  • Urology
  • Medical Diagnostics

Context:

  • Benign prostatic hyperplasia (BPH) is a common condition in aging men.
  • Assessing BPH severity often involves subjective symptom scores and objective urodynamic measurements.
  • The correlation between subjective symptom scores and objective findings in BPH requires further clarification.

Purpose:

  • To evaluate the correlation between subjective symptom scores (Boyarsky and Madsen-Iversen PSS) and objective urodynamic findings in men with BPH.
  • To assess the diagnostic accuracy of free uroflowmetry and cystometry in identifying infravesical obstruction in BPH patients.

Summary:

  • A prospective study of 29 BPH patients found no correlation between the Boyarsky and Madsen-Iversen PSS and infravesical obstruction determined by pressure flow measurements.
  • Infravesical obstruction was detected in 79.3% of patients, with free uroflowmetry demonstrating 90.9% diagnostic sensitivity.

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  • Cystometry showed no significant difference between obstructed and non-obstructed groups, but detrusor instability was noted in 41.4% of patients, associated with reduced maximal cystometric capacity.

    • Impact:

    • This study highlights the limitations of subjective symptom scores in reflecting objective urodynamic findings in BPH.
    • Free uroflowmetry appears to be a sensitive tool for detecting obstruction in BPH.
    • Findings suggest potential differences in bladder function, such as detrusor instability, even in the absence of significant obstruction or correlation with symptom scores.