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"Hypertriglyceridemic Waist" Predicts
Presence of Insulin Resistance Syndrome
posted 11/06/02
More than two-thirds of middle-aged men with a waist size of 35
inches (90 cm or more) and triglyceride levels of 180 mg/dL (2.0 mmol/L) or
more have metabolic abnormalities of insulin resistance syndrome
Dr. Jean Pierre Despres, director of research,
Quebec Heart Institute, Quebec City, and colleagues measured the waist
circumference of 335 middle-aged men and determined both triglyceride and
fasting insulin levels. Men were then divided according to a waist circumference
of less than 90 cm or 90 cm or more, as well as by triglyceride levels of 2.0
mmol/L or more, or under 2.0 mmol/L.
The presence of hyperinsulinemia was defined as a
fasting insulin value of 85 pmol/L or more. Hyperinsulinemia was present in only
4% of men with a waist circumference of less than 90 cm and triglyceride levels
of less than 2.0 mmol/L, and in 7% of men with isolated hypertriglyceridemia.
High fasting insulin levels were found in
significantly more men--38%--who had a waist circumference of 90 cm or more, the
researchers found, and in 68% of men with a 'hypertriglyceridemic waist,' i.e.,
a waistline of 90 cm or more and triglyceride levels of 2.0 mmol/L or more.
It's almost like having an insulin assay because
the difference between men with a 'hypertriglyceridemic waist' and those without
is huge, so our message is very simple: physicians need to get out their tape
measure and measure every patient's waist to screen for the presence of
hyperinsulinemia, that according to Dr. Despres.
Source: Diabetes In Control Dot Com.
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