Pre-diabetes - Impaired Glucose Tolerance (IGT)

Impaired Glucose Tolerance (IGT) is a pre-diabetic state of hyperglycemia that is associated with insulin resistance and increased risk of cardiovascular pathology. IGT may precede type 2 diabetes mellitus by many years. IGT is also a risk factor for mortality. IGT is defined as two-hour glucose levels of 140 to 199 mg per dL (7.8 to 11.0 mmol) on the 75-g oral glucose tolerance test.

The risk of progression to diabetes and development of cardiovascular disease is greater than for impaired fasting glucose (IFG).

Although some drugs can delay the onset of diabetes, lifestyle modifications play a greater role in the prevention of diabetes. Patients identified as having an IGT should exercise regularly, lose 5 to 7 percent of body weight, and limit intake of  sugar and highly processed carbohydrates.



8.31 minutes video explanation on Impaired Glucose Tolerance


Sources: www.aafp.org, www.wikipedia.com, www.youtube.com

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