Erectile tissue depends on regular oxygenation to stay healthy. Under normal circumstances that is supplied by nocturnal erections, which occur several times a night without your involvement or awareness.
After radical prostatectomy, the cavernous nerves are bruised, stretched, or in some cases removed. Even with excellent nerve-sparing technique, nerve function takes many months to recover. During that period nocturnal erections largely stop — and the tissue begins to suffer for want of oxygen.
What happens without intervention
Smooth muscle within the corpora undergoes apoptosis and is gradually replaced by collagen. That fibrosis can produce two lasting problems: shortening, and venous leak — an inability to hold blood even once nerve function eventually returns. The tragedy is that a man can recover his nerves and still not recover his erections, because the tissue they serve has changed.
Rehabilitation is not about having sex during recovery. It is about keeping the tissue alive until the nerves come back.
What a protocol looks like
- Daily low-dose PDE5 inhibitor, started early, to support tissue oxygenation rather than performance
- Vacuum erection device used on a defined schedule, typically daily cycles without a constriction ring
- Intracavernosal injections two to three times weekly where oral agents are insufficient, since they work independently of nerve signaling
- Structured reassessment at three, six, twelve and twenty-four months
The evidence base for rehabilitation is not uniform, and researchers continue to debate optimal protocols. What is not seriously debated is that prolonged disuse of erectile tissue is harmful, and that reasonable steps to prevent it carry very little downside.
Timelines and honesty
Nerve recovery is slow and continues for up to two years, occasionally longer. Men who are younger, who had good function before surgery, and who had bilateral nerve-sparing surgery do best. We tell patients this plainly, because a man expecting recovery in three months will conclude he has failed at the exact point when he most needs to persist.
And if function does not return adequately after an adequate trial, the ladder does not end. Injection therapy works for most men in this situation, and inflatable prostheses have their highest satisfaction rates in precisely this group.
Important
The information on this website is provided for general education and does not constitute medical advice, diagnosis, or treatment. Erectile dysfunction can be the first sign of cardiovascular disease, diabetes, or hormonal disorders. Always consult a licensed physician about your individual circumstances, and never start, stop, or change a prescription based on what you read here.