Key result
Overweight and obesity linked to a survival advantage in HF that disappears above BMI 40.
Why the study?
The relationship between obesity and heart failure is complex and not fully understood, particularly regarding the survival advantage observed in obese patients with heart failure.
The review summarizes the obesity paradox in heart failure, noting a survival advantage for obese and overweight patients that complicates weight loss recommendations.
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Supports obesity paradox in HF; hypothesis-generating and requires prospective validation before clinical consideration.
Nagarajan et al. (2016) conducted a review in Heart failure and obesity. Obesity and overweight vs. Normal weight or low weight was evaluated on Survival. Obesity and overweight are associated with a survival advantage in patients with heart failure compared to normal or low weight, though this advantage is lost in morbid obesity (BMI >40 kg/m2).
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