The following is an excerpt....
BASICS
Description
- Inability to achieve or maintain an erection sufficient for satisfactory sexual performance (1)[C]
- Erectile dysfunction is sometimes assumed to be a symptom of the aging process in men, but it can likely result from concurrent medical conditions of the patient or from medications that patients may be taking to treat those conditions.
- Normal penile erection requires full functioning of the vascular, nervous, and hormonal systems.
- System(s) affected: Cardiovascular; Nervous; Urologic; Reproductive
- Synonym: Impotence
Epidemiology
Prevalence
- Overall prevalence for erectile dysfunction per the Massachusetts Male Aging Study (2):
- 52% in men age 40–70 years
- Age-related increase ranging from 12.4% in men age 40–49 years up to 46.6% in men age 50–69 ...
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