OGTT (oral glucose tolerance test)
The oral glucose tolerance test (OGTT) is a diagnostic tool used to measure how well your body processes sugar, which is crucial for diagnosing conditions like diabetes and prediabetes. Several studies have highlighted its effectiveness in various contexts. For instance, OGTT has been found to accurately assess glucose metabolism in both humans and animals, making it useful for understanding the impact of different diets on insulin sensitivity. In pregnant women, OGTT is particularly effective for screening gestational diabetes, especially when used universally or for late-onset cases. The test's ability to detect early signs of impaired glucose tolerance makes it a valuable tool in preventive healthcare.
OGTT results can be compared with other measures of insulin sensitivity, such as the euglycemic insulin clamp, providing a comprehensive view of metabolic health. Despite its widespread use and reliability, some studies have noted that the test's accuracy can vary based on factors like timing and patient preparation. The evidence supporting OGTT is robust but should be interpreted with consideration of individual patient circumstances.
The strongest connections to other topics include gestational diabetes screening and insulin sensitivity assessment. These links underscore the test's versatility in both clinical diagnostics and research settings.
While the body of evidence is strong, it is important to note that some studies have limitations, particularly in sample size and variability in testing protocols.
Sources
- Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT). (PMID:29364280)
- Oral glucose tolerance testing. (PMID:22675678)
- The oral glucose tolerance test (OGTT) revisited. (PMID:21238885)
- Insulin sensitivity indices obtained from oral glucose tolerance testing: comparison with the euglycemic insulin clamp. (PMID:10480510)
- Oral Glucose Tolerance Test for Universal screening for Gestational Diabetes Mellitus. (PMID:39080950)
- Oral glucose tolerance test for suspected late onset gestational diabetes. (PMID:31851555)
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Connections
No connections recorded yet.
Sources
- Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT). (2018) pubmed
- Oral glucose tolerance testing. (2012) pubmed
- The oral glucose tolerance test (OGTT) revisited. (2011) pubmed
- Insulin sensitivity indices obtained from oral glucose tolerance testing: comparison with the euglycemic insulin clamp. (1999) pubmed
- Oral Glucose Tolerance Test for Universal screening for Gestational Diabetes Mellitus. (2024) pubmed
- Oral glucose tolerance test for suspected late onset gestational diabetes. (2021) pubmed
- One-Hour Oral Glucose Tolerance Test for the Postpartum Reclassification of Women With Hyperglycemia in Pregnancy. (2025) pubmed
- Oral glucose tolerance test: Ηow to maximize its diagnostic value in children and adolescents. (2022) pubmed
- Oral Glucose Tolerance Test for the Screening of Glucose Intolerance Long Term Post-Heart Transplantation. (2022) pubmed
- Methods for Measuring Risk for Type 2 Diabetes in Youth: the Oral Glucose Tolerance Test (OGTT). (2018) pubmed