The Lesson from the COMPANION Study: How Large Is the Patient Population That May Benefit?
Nearly 5 million persons living in the United States have heart failure, with 550 000 new cases diagnosed annually. Heart failure is the only cardiovascular disease in which the prevalence is increasing; projections suggest that prevalence will increase two- to three-fold by the year 2010 . This increase is probably the result of aging of the population and the successful treatment of acute coronary syndromes.
KeywordsHeart Failure Chronic Heart Failure Left Bundle Branch Block Advanced Heart Failure Left Ventricular Lead
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