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Significance of cavernosography in standardized cavernosometry
J L Fehr1, G Alund, P Mühlebach
1Department of Urology, University Hospital of Zurich, Switzerland.
Urologia Internationalis
|January 1, 1992
Summary
Cavernosography for erectile dysfunction shows limited sensitivity for diagnosing venous leakage. Maintenance flow rate is crucial for assessment, but cavernosography alone is insufficient for screening.
Area of Science:
- Urology
- Andrology
- Vascular Medicine
Background:
- Erectile dysfunction (ED) is a common condition affecting many men.
- Venous leakage is a significant cause of ED, necessitating accurate diagnostic methods.
Purpose of the Study:
- To evaluate the diagnostic value of cavernosometry and cavernosography in patients with erectile dysfunction.
- To assess the role of papaverine-induced cavernosometry in diagnosing venous leakage.
- To determine the effectiveness of cavernosography as a screening tool for venous leakage.
Main Methods:
- Ninety-five patients with ED underwent standardized cavernosometry and cavernosography.
- Investigations were performed both without and with intracavernous papaverine injection (60 mg).
- Key parameters assessed included induction flow rate and maintenance flow rate, with a focus on pressure decrease over time.
Main Results:
- A pathological maintenance flow rate (20-120 ml/min) decreased by an average of 55% after papaverine.
- Induction flow rate demonstrated high variability and limited diagnostic utility.
- Maintenance flow rate showed a strong correlation with pressure decrease time, indicating its importance in quantifying venous leakage.
- Cavernosography exhibited a sensitivity of 59% for detecting venous leakage.
Conclusions:
- Cavernosography alone is not a sufficient screening method for venous leakage in erectile dysfunction.
- Maintenance flow rate is a critical parameter for quantifying venous leakage.
- Cavernosography is primarily indicated when considering surgical intervention for venous leakage.