Blood urea level and diabetes duration are independently associated with ankle-brachial index in type 2 diabetic patients
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Marijan Bosevski1, Sabita S Soedamah-Muthu
1Faculty of Medicine, University Stt. Cyril and Methodius Skopje, Macedonia. marijanbosevski@yahoo.com
Insights
This study found that longer diabetes duration and higher blood urea levels are linked to abnormal ankle-brachial index (ABI) in patients with type 2 diabetes and coronary artery disease. These factors may help identify individuals at higher risk for peripheral arterial disease.
Area of Science:
- Cardiology
- Endocrinology
- Vascular Medicine
Background:
- Type 2 diabetes and coronary artery disease are significant risk factors for peripheral arterial disease (PAD).
- Ankle-brachial index (ABI) is a key indicator of PAD, reflecting lower extremity arterial circulation.
- Assessing factors influencing ABI is crucial for managing cardiovascular risk in diabetic patients.
Purpose of the Study:
- To identify factors associated with ankle-brachial index (ABI) in patients with type 2 diabetes and coronary artery disease.
- To investigate the relationship between metabolic parameters and ABI in this high-risk population.
- To inform clinical practice regarding PAD screening in diabetic patients with coexisting heart disease.
Main Methods:
- Cross-sectional study involving 370 patients with type 2 diabetes and coronary artery disease.
- Multivariable linear regression analysis was used to determine factors of ABI.
- Evaluated parameters included blood pressure, BMI, waist circumference, glucose, urea, creatinine, lipids, and diabetes duration.
Main Results:
- Peripheral arterial disease (PAD) was prevalent, detected in 82.35% of participants.
- Mean ABI was 0.97 ± 0.33, with a minimal value of 0.95 ± 0.38.
- ABI was independently associated with longer diabetes duration and higher blood urea levels.
Conclusions:
- Longer diabetes duration and elevated blood urea levels are significant predictors of pathological ABI.
- These findings highlight the importance of monitoring ABI in diabetic patients with coronary artery disease, particularly those with prolonged diabetes and impaired kidney function.
- Early identification of PAD through ABI assessment can guide targeted interventions and improve patient outcomes.
Aim:
The purpose of the study was to determine factors of ankle-brachial index (ABI) in a population of patients with type 2 diabetes and coronary artery disease.
Material And Methods:
370 patients (mean age 60.3 ± 8.3 years and diabetes duration 8.6 ± 6.2 years) with type 2 diabetes and coronary artery disease were enrolled in a cross sectional study during 2006-2007. Multivariable linear regression analysis was conducted to determine the factors of ABI, considering systolic and diastolic blood pressure, weight, body mass index, waist circumference, glycemia, urea, creatinin, triglycerides, total cholesterol, LDL- and HDL-cholesterol.
Results:
Peripheral arterial disease was detected in 82.35% (280 pts). Mean ABI value of 0.97 ± 0.33, and its minimal value of 0.95 ± 0.38 was detected in this study population. Regression analysis demonstrated that mean and minimal values of ABI were independently associated with diabetes duration (β 0.120, 95% CI -0.014, -0.001) and blood urea level (β -0.126, 95% CI -0.020, -0.002).
Conclusion:
Results might have clinical implications for patients with type 2 diabetes and coronary artery disease in defining those with a long diabetes duration and a higher blood urea level to have greater probability of detecting pathological ankle-brachial index.
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