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Men are very much afraid especially those with chronic heart failure might risk their lives by having sex are overblown, and even those who are taking Viagra may be safe engaging in sexual activity if they are receiving the proper medical care, according to a study published in the journal Mayo Clinic Proceedings.

Researchers Mandeep Mehra and Stacy Mandras conducted a study about a meta-analysis of sexual activity in men with coronary artery disease. They found out that in middle-aged men both with and without such disease, maximize their heart rate; blood pressure and respiratory rate were well within the acceptable range. The highest heart rate during sexual intercourse, in fact, was actually less than the maximum heart rate attained simply in the course of daily activity.

The researchers also reviewed the results of studies being conducted on erectile dysfunction in men with chronic heart failure. They have observed that erectile dysfunction may arise from decreased blood flow to the penis, and that particular drugs used to treat chronic heart failure might actually exacerbate this problem.

They then reviewed studies on the safety of the medication Viagra for patients with congestive heart failure. Because medications for erectile dysfunction also have some effect on blood vessels and circulation, they can be harmful when use together with heart medications, sometimes leading to fatal drops in blood pressure.

The researchers concluded during the study that under the supervision of a physician, Viagra can be safely used in conjunction with heart medications. There are insufficient studies on the newer medications Levitra and Cialis to draw conclusions, however.

Taken together, these studies showed that erectile dysfunction in individuals with mild to moderate chronic heart failure can be safely and effectively treated with Viagra, provided that patients are appropriately screened prior to therapy, say the authors.