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Implantable penile venous compression device: initial experience in the chronic canine model
C F Donatucci1, F Trigo-Rocha, J S Paick
1Department of Urology, University of California School of Medicine, San Francisco.
The Journal of Urology
|May 1, 1993
Summary
A new prosthetic penile venous compression device was tested in dogs, showing it can prolong erections without causing tissue damage. This implantable device may improve treatment for venogenic impotence.
Area of Science:
- Urology
- Biomedical Engineering
- Veterinary Surgery
Background:
- Venogenic impotence, a common cause of erectile dysfunction, results from impaired venous occlusion.
- Current treatments for erectile dysfunction have limitations, necessitating novel therapeutic approaches.
Purpose of the Study:
- To evaluate the safety and efficacy of a novel implantable penile venous compression device in a canine model.
- To assess the effects of chronic implantation and repeated device cycling on penile cavernous tissue.
Main Methods:
- A prosthetic penile venous compression device was surgically implanted in 14 dogs.
- The device remained implanted for 37 to 224 days, with 8 to 59 device cycles.
- Erections were induced via pelvic nerve electrostimulation post-recovery for assessment.
Main Results:
- The device successfully prolonged intracavernous pressure elevation for up to 30 minutes after inflation.
- Histological examination revealed no neural injury, vascular compromise, or tissue atrophy in the corpora cavernosa.
- No adverse effects related to chronic implantation or device use were observed.
Conclusions:
- The implantable penile venous compression device is safe and effective in a canine model.
- The device demonstrates potential as an improved treatment for venogenic impotence.
- Further research is warranted to explore its clinical application in humans.