Why erections often improve after surgery

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1:17 It improves because [music] many patients already have erectile problems before surgery due to the medication they're taking. Tamsulosin, dutasteride, combinations with other drugs, and by stopping the medication after surgery, sexual function recovers.

1:32 It's also true that patients who have surgery end up sleeping better. They'll urinate fewer times at night, and that nighttime rest also promotes [music] a good erection.