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Congruence between veno-occlusive parameters during dynamic infusion cavernosometry: assessing the need for
J P Mulhall1, M Anderson, M Parker
1Department of Urology, Weill Medical College of Cornell University, New York-Presbyterian Hospital, 525 E. 68th Street, New York, NY 10021, USA. jpm2005@med.cornell.edu
International Journal of Impotence Research
|March 19, 2004
Summary
Dynamic infusion cavernosometry (DIC) is rarely used, but cavernosography
Area of Science:
- Urology
- Andrology
- Diagnostic Imaging
Background:
- Dynamic infusion cavernosometry (DIC) is a diagnostic tool for erectile dysfunction.
- Cavernosography, a component of DIC, aims to identify venous leak sources.
- The utility of cavernosography is debated due to declining use of venous ligation surgery.
Purpose of the Study:
- To assess the congruence between flow-to-maintain (FTM), pressure decay (PD), and cavernosography in diagnosing venous leak during DIC.
- To evaluate the diagnostic value of cavernosography in patients with venous leak.
Main Methods:
- Retrospective analysis of DIC procedures.
- Diagnosis of venous leak based on established FTM values.
- Cavernosography performed using nonionic contrast at 90 mmHg.
- Vasoactive agent-redosing schedule employed.
Main Results:
- A significant correlation (r=0.58, P=0.025) was found between FTM and PD.
- 54% of patients exhibited abnormal cavernosograms (CG).
- 46% of patients with abnormal FTM values had normal CG findings, indicating poor sensitivity.
Conclusions:
- Cavernosography visualization is inconsistent in men diagnosed with venous leak via FTM during DIC.
- These findings question the diagnostic value of cavernosography, especially for low-grade venous leaks.
- The study suggests cavernosography may not be a reliable standalone diagnostic tool for venous leak.