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[Relevance of diabetes in high cardiovascular risk hypertensive patients]
Julián Segura1, Alejandro de la Sierra, Sandra Fernández
1Unidad de Hipertensión Arterial, Servicio de Nefrología, Hospital Universitario 12 de Octubre, Madrid, España.
Insights
Hypertensive patients with type 2 diabetes experience higher rates of target organ damage and cardiovascular disease compared to those without diabetes but with multiple risk factors. Diabetes significantly increases cardiovascular risk in hypertensive individuals.
Area of Science:
- Cardiology
- Endocrinology
- Nephrology
Context:
- Hypertension is a major cardiovascular risk factor.
- Type 2 diabetes mellitus exacerbates cardiovascular risk.
- Identifying target organ damage (TOD) and established cardiovascular disease (CVD) is crucial for risk stratification.
Purpose:
- To compare the prevalence of TOD and CVD in hypertensive patients with type 2 diabetes versus those without diabetes but with at least three cardiovascular risk factors (CVRF).
Summary:
- This cross-sectional study analyzed 4,725 hypertensive patients, comparing a group with type 2 diabetes (N=2,608) against a non-diabetic group with ≥3 CVRF (N=2,117).
- Prevalence of TOD (left ventricular hypertrophy, microalbuminuria, renal failure) and CVD was assessed.
- Hypertensive patients with type 2 diabetes exhibited higher rates of obesity, TOD, and CVD, with diabetes independently associated with increased risk.
Impact:
- Hypertensive patients with type 2 diabetes face a greater burden of TOD and CVD.
- These findings highlight the intensified cardiovascular risk in hypertensive individuals with diabetes.
- This underscores the need for proactive cardiovascular risk management in this patient population.
Background And Objective:
The aim of this cross-sectional study was to compare the prevalence of target organ damage (TOD) and established cardiovascular disease (CVD) in a cohort of nondiabetic hypertensive patients with 3 or more cardiovascular risk factors (CVRF) against a group of hypertensives with type 2 diabetes.
Patients And Method:
We included 4,725 hypertensive patients, 62% male, mean age 64 (SD 12) years, with type 2 diabetes mellitus, independently of the number of associated CVRF (N=2,608), or non-diabetics, in which case we required the presence of 3 CVRF (N=2,117). The prevalence of established CVD (clinical interview) and TOD (left ventricular hypertrophy by electrocardiogram, microalbuminuria and estimated glomerular filtration rate) were estimated.
Results:
Hypertensive patients with type 2 diabetes had an older age and more marked obesity. Furthermore, these patients showed a higher prevalence of micro- and macroalbuminuria, renal failure, left ventricular hypertrophy, atherosclerotic plaques in carotid arteries and CVD compared with nondiabetic hypertensive patients with 3 or more CVRF. Multivariate analysis showed that the risk of TOD or established CVD were associated independently with the presence of diabetes.
Conclusion:
Hypertensive patients with type 2 diabetes have a higher prevalence of LOD and CVD compared to nondiabetic hypertensive patients with 3 or more CVRF. Although both situations are included in the high cardiovascular risk stratum, it would be expected an increased incidence of cardiovascular complications in hypertensive diabetic patients.
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