Impaired Fasting Glycaemia

The name IFG refers to Impaired Fasting Glycaemia or Impaired Fasting Glucose which is considered as a Pre-Diabetic state, because the fasting blood glucose is already and consistently elevated above the normal levels, but not high enough to be classified as Diabetes Mellitus.

This Pre-Diabetic state is associated with insulin resistance and increased risk of cardiovascular pathology, although of lesser risk than Impaired Glucose Tolerance (IGT). However and still Impaired Fasting Glycaemia is also a risk factor for mortality.

Among its signs and symptoms you can find sudden sweating, confusion, thirst, hunger, heart palpitations, impaired speech, difficulty focusing – these are just a few symptoms and are not just limited to these.

Having Impaired Fasting Glycaemia you have a 50% chance that it will progress into Type 2 Diabetes Mellitus within 2 to 10 years. However the newest studies reveal that the average time for progression is less than three years.

As a Pre-Diabetic you might prevent Type 2 Diabetes if you are able to change on your lifestyle.

 

Fasting blood glucose levels are in a continuum within a given population, with higher fasting glucose levels corresponding to a higher risk for complications caused by the high glucose levels.

Some patients with Impaired Fasting Glucose may also be diagnosed with Impaired Glucose Tolerance, but many have normal responses to a glucose tolerance test.

Criteria defined by World Health Organization
fasting plasma glucose level from

6.1 mmol/l (110 mg/dL) to 6.9 mmol/L (125 mg/dL)

Criteria defined by American Diabetes Association
fasting plasma glucose level from

5.6 mmol/L (100 mg/dL) to 6.9 mmol/L (125 mg/dL)

It is interesting to observe that the World Health Organization (WHO) has a different criteria for impaired fasting glucose than the American Diabetes Association (ADA). The reason of this lies in the definition of the normal range of glucose which is different by each.

The World Health Organization also opted to keep its upper limit of normal at under 6.1 mmol/l (110 mg/dL) for fear of causing too many people to be diagnosed as having impaired fasting glucose.


Researched, collected and written by Zsolt Szemerszky

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