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From Blackdoctor.org

Women in cardiac rehabilitation following a heart attack or bypass surgery have an average fitness level of patients with more serious heart conditions, a new study found.

The study examined 2,896 patients who were participating in a cardiac rehabilitation program following hospitalization due to a recent cardiac event. The researchers evaluated patients to determine their aerobic fitness level, which affects the heart’s ability to pump blood, as well as their skeletal muscle function.

Results showed that, overall, men were more aerobically fit than women, but both men and women showed lower fitness capacities than anticipated.

“I was surprised by several of our results,” study author Dr. Philip A. Ades, professor of medicine and director of preventive cardiology and cardiac rehabilitation at the University of Vermont College of Medicine, said in a prepared statement.

“The biggest surprise was how low the fitness levels were in women,” Ades said. “The average woman in this study fell in the fitness range where cardiologists often consider heart transplantation in heart failure patients,” he added.

The study was conducted on patients at the University of Vermont and Henry Ford Hospital in Detroit between January 1996 and December 2004.

All of the patients studied had been previously hospitalized because they experienced a heart attack, bypass surgery, angioplasty or chronic angina. Patients in the rehabilitation program were tested using an exercise treadmill stress test, and their oxygen consumption was measured at their peak level of exercise.

Among the findings:

* At the beginning of the study, men had significantly higher aerobic fitness capacities than women.

* Aerobic capacity diminished in both men and women with age but diminished more significantly in men.

* Previous cardiac events had an impact on aerobic capacity in both men and women. The lowest fitness levels were seen in patients who had had coronary bypass surgery, while patients who had had procedures like cardiac catheterization were the most fit.

* The average increase in aerobic fitness capacity was 17 percent — 18 percent in men and 12 percent in women.

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