Forty-four young and middle-aged men (31-65 years) with essential hyper- tension visited our outpatient clinic and took 尾-blocker treatment (atenolol,metoprolol or bisoprolol) for more than 6 months.All the patients completed a questionnaire regarding erectile function (International Index for ...
Patients were then switched to an equipotent dose of nebivolol for 3 months and, at the end of this time period, filled out the same questionnaire. Results: Twenty-nine out of the 44 (65.9%) patients who took -blockers (atenolol, metoprolol or bisoprolol) had exhibited erectile dysfunction...