Jean-Pierre Després
Hypertriglyceridemic waist: a new high risk phenotype in preventive cardiology?
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Several studies have demonstrated that a modest reduction of body weight
of 5-10% can help to substantially and rapidly improve the CAD and
type 2 diabetes risk profiles of viscerally obese patients independent
of notable regression of coronary stenosis.
Weight loss in abdominally obese promotes selective mobilization of visceral
adipose tissue with a ~10% weight loss resulting in ~30%
decrease in visceral adipose tissue regardless of the weight loss strategy
(diet, exercise, drug).
The selective mobilization of VAT leads to improvement in lipid profile
(lower TG and Apo-B and raises HDL), glycemic control, blood pressure
and variables of endothelial dysfunction, fibrinolysisand chronic
inflammation thus reducing the risk of thrombosis.
These synergistic, metabolic improvements may help stabilize unstable
atheromatous plaque in the viscerally obese, thereby reducing the risk
of acute coronary events.
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Hypertriglyceridemic Waist is the syndrome associated with the metabolic
triad described previously.
At present, physicians readily treat the complications associated with
the syndrome and obesity in general, but rarely attack the cause.
Weight management for the overweight and obese - and especially the
viscerally obese - is a necessary component of primary and secondary
prevention of CHD.
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