Abstract
Since the turn of the millennium, obesity has been on the rise worldwide, and particularly so throughout the United States. Even more concerning is the rate at which persons with severe obesity continue to trend upwards. Given the detrimental effects of obesity on cardiac structure and function, it is not surprising that obesity stands as one of the leading risk factors for developing heart failure (HF). This state-of-the-art article aims to review the updated literature on the obesity paradox to help further understand its relationship to body composition, weight loss, fitness, and exercise. An intriguing phenomenon appears to exist in which obesity is associated with a better prognosis in those with HF, compared to patients with lesser body mass. Recent studies suggest, however, that weight loss induced by pharmacologic strategies might be beneficial in patients with HF with preserved ejection fraction. Despite the presence of an obesity paradox, recent data suggest that obesity could be targeted in HF, however, long-term data are currently lacking. Consequently, definitive guidelines for managing obesity, and specifically the body composition of these patients, remain amiss.
Published Version
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