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Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model
Published on: November 29, 2024
Microvascular disease, modifiable risk factor profiles and incident arrhythmias in type 2 diabetes
Guo-Chong Chen1, Daniel Nyarko Hukportie2, Wei-Dong Fan3
1Department of Nutrition and Food Hygiene, School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China.
Insights
Diabetic microvascular disease increases arrhythmia risk in type 2 diabetes patients. However, managing modifiable risk factors like blood pressure and A1C may significantly lower this risk.
Area of Science:
- Cardiology
- Endocrinology
- Diabetology
Background:
- Diabetic microvascular disease is a significant complication of type 2 diabetes.
- The interplay between microvascular disease and modifiable risk factors in arrhythmia development requires further investigation.
Purpose of the Study:
- To assess the independent and combined roles of diabetic microvascular disease and modifiable risk factors in the development of arrhythmias.
- To evaluate the predictive value of microvascular disease in arrhythmia development.
Main Methods:
- A cohort of 25,632 participants with type 2 diabetes, free of arrhythmias at baseline, was analyzed from the UK Biobank study.
- Microvascular disease was defined by retinopathy, neuropathy, or chronic kidney disease. Modifiable risk factors included BMI, smoking, systolic blood pressure, and HbA1c.
- Joint associations between microvascular disease states and modifiable risk factors with incident arrhythmias were examined using survival analysis.
Main Results:
- Microvascular disease was associated with a 48% increased hazard of developing arrhythmias.
- The presence of any microvascular disease significantly enhanced arrhythmia prediction when combined with traditional risk factors.
- Individuals with microvascular disease and optimal risk factor control (0-1 risk factors) had a hazard ratio of 0.91, suggesting risk mitigation.
Conclusions:
- Diabetic microvascular disease is an independent risk factor for incident arrhythmias in type 2 diabetes.
- Optimal management of modifiable risk factors may mitigate the increased arrhythmia risk associated with microvascular disease.
Background:
To assess the roles of diabetic microvascular disease and modifiable risk factors and their combination in the development of arrhythmias.
Methods:
We included participants with type 2 diabetes (T2D) who were free of arrhythmias during recruitment in the UK Biobank study. The associations of microvascular disease states (defined by the presence of retinopathy, peripheral neuropathy or chronic kidney disease), four modifiable arrhythmic risk factors (body mass index, smoking, systolic blood pressure and glycosylated haemoglobin) and their joint associations with incident arrhythmias were examined.
Results:
Among the 25 632 participants with T2D, 1705 (20.1%) of the 8482 with microvascular disease and 2017 (11.8%) of the 17 150 without microvascular disease developed arrhythmias during a median follow-up of 12.3 years. Having any of the three microvascular diseases was associated with a 48% increase in the hazard of developing arrhythmias. Incorporating microvascular disease states into a model alongside 11 traditional risk factors significantly enhanced arrhythmia prediction. Furthermore, individuals with microvascular disease who had optimal levels of zero to one, two, three or four arrhythmic risk factors showed an HR of 2.05 (95% CI 1.85, 2.27), 1.67 (95% CI 1.53, 1.83), 1.35 (95% CI 1.22, 1.50) and 0.91 (95% CI 0.73, 1.13), respectively, compared with those without microvascular disease.
Conclusions:
Although microvascular disease, a non-traditional risk factor, was associated with incident arrhythmias in individuals with T2D, having optimal levels of risk factors may mitigate this risk.
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