Is there a relationship between factor V Leiden and type 2 diabetes?

Area of Science:

• Vascular Medicine
• Genetics
• Endocrinology

Background:

• Diabetes is a known risk factor for thrombotic events, contributing to a hypercoagulable state.
• The association between diabetes and venous thromboembolism (VTE) remains debated.
• The Factor V Leiden (FVL) gene variant has been hypothesized to relate to diabetes, but findings are inconsistent.

Purpose of the Study:

• To investigate the potential relationship between the Factor V Leiden (FVL) gene variant and glucose metabolism in patients with a history of VTE.
• To explore the prevalence of impaired glucose tolerance (IGT) and diabetes among VTE patients with and without the FVL variant.

Main Methods:

• Retrospective analysis of 115 patients with previous VTE, screened for inherited thrombophilia.
• Patients were divided into two groups: 64 carriers of FVL (Group A) and 51 non-carriers (Group B, control).
• A 75g oral glucose tolerance test (OGTT) was performed on all subjects to screen for IGT and diabetes.

Main Results:

• No significant differences in baseline or post-OGTT glycemia were observed between FVL carriers and non-carriers.
• A trend towards increased prevalence of IGT and diabetes was noted in VTE patients carrying the FVL variant compared to non-carriers.
• This observed increase in IGT and diabetes prevalence did not reach statistical significance (p < 0.05).

Conclusions:

• The study suggests a potential link between the FVL gene variant, diabetes, and vascular complications like atherothrombosis.
• While not statistically significant in this cohort, the findings warrant further investigation in larger populations.
• This area of research is relevant given recent reports linking the pathogenesis of venous and arterial thrombosis.