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Serum fructosamine and colorectal adenomas
Giovanni Misciagna1, Giampietro De Michele, Vito Guerra
1Laboratory of Epidemiology, IRCCS S. De Bellis, Research Hospital for Digestive Diseases, Castellana, Bari 70013, Italy. gmisciag@libero.it
European Journal of Epidemiology
|July 6, 2004
Summary
Higher fructosamine levels, indicating elevated blood glucose, are linked to an increased risk of colorectal adenoma in non-diabetic individuals. This suggests dietary glycemic index may influence polyp development.
Area of Science:
- Gastroenterology
- Endocrinology
- Oncology
Background:
- The link between blood glucose and colorectal adenoma/cancer remains unclear.
- Fructosamine serves as a reliable indicator of average blood glucose levels over the preceding three weeks.
Purpose of the Study:
- To investigate the association between serum fructosamine levels and the risk of colorectal adenoma.
- To explore the relationship between fructosamine, lipids, and insulin in the context of colorectal adenoma.
Main Methods:
- A case-control study was conducted with 153 cases of colorectal adenoma and 84 controls with normal colonoscopies.
- Serum fructosamine was quantified using a colorimetric assay.
- Unconditional multiple logistic regression analysis was employed to assess associations.
Main Results:
- In non-diabetic subjects, elevated fructosamine levels correlated with a higher risk of colorectal adenoma.
- Individuals with fructosamine levels above the median exhibited an odds ratio of 2.3 for colorectal adenoma.
- Increased risk was also associated with higher triglycerides and cholesterol, and lower fasting insulin levels.
Conclusions:
- Elevated fructosamine, reflecting higher blood glucose, is associated with an increased risk of colorectal adenoma.
- This finding highlights the potential role of dietary glycemic load in colorectal polyp development.