Impaired glucose tolerance
| Impaired glucose tolerance | |
|---|---|
| Classification and external resources | |
| Specialty | Lua error in Module:Wikidata at line 446: attempt to index field 'wikibase' (a nil value). |
| ICD-10 | R73.0 |
| ICD-9-CM | 790.21 |
| Patient UK | Impaired glucose tolerance |
| MeSH | D018149 |
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.[1]
Criteria
According to the criteria of the World Health Organization and the American Diabetes Association, impaired glucose tolerance is defined as:[2][3][4]
- two-hour glucose levels of 140 to 199 mg per dL (7.8 to 11.0 mmol/l) on the 75-g oral glucose tolerance test. A patient is said to be under the condition of IGT when he/she has an intermediately raised glucose level after 2 hours, but less than the level that would qualify for type 2 diabetes mellitus. The fasting glucose may be either normal or mildly elevated.
From 10 to 15 percent of adults in the United States have impaired glucose tolerance or impaired fasting glucose.[5]
Treatment
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The risk of progression to diabetes and development of cardiovascular disease is greater than for impaired fasting glucose.[6]
Although some drugs can delay the onset of diabetes, lifestyle modifications play a greater role in the prevention of diabetes.[5][7] Patients identified as having an IGT should exercise regularly, lose 5 to 7 percent of body weight, and limit intake of (at least) sugar and highly processed carbohydrates.[5]
See also
References
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- ↑ http://www.diabetes.co.uk/impaired-glucose-tolerance.html
- ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Oxford Handbook of Clinical Medicine, 7th Ed., Longmore, Wilkinson, Turmezei and Cheung. Oxford University Press 2007.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
Further reading
- Lua error in package.lua at line 80: module 'strict' not found. - Editorial review
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