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Related Experiment Videos

Bladder consequences of prostatic obstruction

B Mauroy1

  • 1Service Universitaire d'Urologie Hôpital Victor Provo, Roubaix, France.

European Urology
|January 1, 1997
PubMed
Summary
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Benign prostatic hyperplasia (BPH) causes pelvic anatomical changes affecting the bladder. These changes lead to urinary symptoms due to an imbalance between bladder contractility and urethral resistance.

Area of Science:

  • Urology
  • Anatomy
  • Physiology

Background:

  • New imaging techniques enhance understanding of pelvic anatomy and the bladder's response to prostatic obstruction.
  • Bladder changes are closely linked to irritative and obstructive symptoms of benign prostatic hyperplasia (BPH).

Purpose of the Study:

  • To illustrate the anatomical changes in the pelvic region resulting from prostatic enlargement.
  • To explain the link between these anatomical changes and lower urinary tract symptoms in BPH.

Main Methods:

  • Review of anatomical relationships between the prostate and surrounding pelvic structures.
  • Description of physiological consequences of prostatic enlargement on bladder function.

Main Results:

Related Experiment Videos

  • Prostate enlargement, particularly of the median lobe, can irritate the trigone and cause urinary retention.
  • Urethral obstruction from prostatic growth increases detrusor muscle mass and reduces bladder compliance due to altered collagen-to-muscle ratio.
  • Two bladder states emerge: 'high pressure conflict' or 'distended low pressure'.

    • Conclusions:

    • Urinary disturbances in BPH stem from an imbalance between bladder contractility and urethral resistance.
    • Understanding pelvic anatomy is crucial for comprehending BPH-related bladder dysfunction.