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Diabetes, hypertension, and cardiovascular derangements: pathophysiology and management
Fadi El-Atat1, Samy I McFarlane, James R Sowers
1Department of Internal Medicine, University of Missouri-Columbia, MA410 Health Science Center, One Hospital Drive, Columbia, MO 65212, USA.
Insights
Hypertension and diabetes significantly increase cardiovascular disease risk. Aggressive blood pressure control and cholesterol lowering are vital for managing these conditions and reducing complications.
Area of Science:
- Cardiology
- Endocrinology
- Nephrology
Background:
- Hypertension is twice as common in individuals with diabetes mellitus, significantly elevating their cardiovascular disease (CVD) risk.
- Hypertension contributes to major complications in diabetic patients, including coronary heart disease (CHD), stroke, retinopathy, and nephropathy.
- In type 2 diabetes, hypertension often co-occurs with metabolic syndrome components like obesity, insulin resistance, and dyslipidemia.
Purpose of the Study:
- To summarize the increased cardiovascular disease risk associated with hypertension in diabetic populations.
- To outline the specific characteristics of hypertension in diabetic patients.
- To highlight effective treatment strategies for managing hypertension in individuals with diabetes.
Main Methods:
- Literature review and synthesis of existing research on hypertension and diabetes comorbidities.
- Analysis of epidemiological data regarding the prevalence and impact of hypertension in diabetic populations.
- Evaluation of clinical trial outcomes for hypertension management strategies in patients with diabetes.
Main Results:
- Hypertension is a major contributor to CVD risk, accounting for up to 75% of added risk in diabetic individuals.
- Diabetic hypertension presents unique features, including volume expansion, salt sensitivity, and altered blood pressure diurnal patterns.
- Effective CVD risk reduction is achieved through low-density lipoprotein (LDL)-cholesterol lowering (<100 mg/dL) and strict blood pressure control (<130/80 mm Hg).
Conclusions:
- Managing hypertension is critical for reducing morbidity and mortality in patients with diabetes.
- Achieving target blood pressure often requires a combination of antihypertensive medications.
- Integrated management of hypertension, dyslipidemia, and other metabolic factors is essential for comprehensive care in diabetic patients.
Abstract:
Hypertension frequently coexists with diabetes mellitus, occurring twice as frequently in diabetic as in nondiabetic persons. It accounts for up to 75% of added cardiovascular disease (CVD) risk in people with diabetes, contributing significantly to the overall morbidity and mortality in this high-risk population. Patients with hypertension are two times more prone to have diabetes than are normotensive persons. Hypertension substantially increases the risk for coronary heart disease (CHD), stroke, retinopathy, and nephropathy. In patients with type 2 diabetes, hypertension usually clusters with the other components of the cardiometabolic syndrome, such as microalbuminuria, central obesity, insulin resistance, dyslipidemia, hypercoagulation, increased inflammation, and left ventricular hypertrophy (LVH). In type 1 diabetes, hypertension often occurs subsequent to the development of diabetic nephropathy. Hypertension in people with diabetes is characterized by volume expansion, increased salt sensitivity, isolated systolic blood pressure (BP) elevation, loss of the nocturnal dipping of BP and pulse, and increased propensity toward orthostatic hypotension and albuminuria. Among the treatment strategies tested in hypertensive diabetic persons, low-density lipoprotein (LDL)-cholesterol lowering to less than 100 mg/dL and aggressive BP control to less than 130/80 mm Hg have proven effective in CVD risk reduction. The combination of two or more drugs is usually necessary to achieve the target BP.
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