Diabetes and hypertension: the bad companions
1Department of Medicine, Department of Veterans Affairs Medical Center, Miami, Florida 33125, USA.
Insights
Diabetes and hypertension frequently coexist, increasing risks for cardiovascular and kidney disease. Managing blood pressure is crucial for reducing complications in diabetic patients, especially those with non-insulin-dependent diabetes mellitus.
Area of Science:
- Cardiology
- Endocrinology
- Nephrology
Background:
- Diabetes mellitus and hypertension are closely linked, significantly increasing the risk of atherosclerotic cardiovascular disease.
- Hypertension is twice as common in individuals with diabetes compared to the general population.
- The co-occurrence of these conditions is rising due to an aging population and the increasing prevalence of age-related non-insulin-dependent diabetes mellitus (NIDDM).
Purpose of the Study:
- To highlight the interrelationship between diabetes and hypertension and their impact on cardiovascular and renal health.
- To emphasize the significant contribution of hypertension to diabetic complications.
- To guide future research towards antihypertensive agents that mitigate cardiovascular risk and slow diabetic renal disease progression.
Main Methods:
- Review of existing literature on the comorbidity of diabetes and hypertension.
- Analysis of epidemiological data on the prevalence of coexisting diabetes and hypertension.
- Examination of the role of diabetic nephropathy in hypertension development.
Main Results:
- An estimated 35-75% of cardiovascular and renal complications in diabetic patients are attributable to hypertension.
- Essential hypertension is the predominant form in diabetic individuals, particularly those with NIDDM (over 90% of dual diagnoses).
- Diabetic nephropathy is a key factor in hypertension development, affecting one-third of insulin-dependent diabetes patients and 20% of NIDDM patients after 15 years.
Conclusions:
- Hypertension is a major contributor to the progression of cardiovascular and renal complications in patients with diabetes mellitus.
- Effective blood pressure management is critical for improving outcomes in diabetic patients.
- Further research is needed to identify antihypertensive therapies that offer dual benefits: blood pressure reduction and protection against cardiovascular and renal disease progression.
Abstract:
DIABETES AND HYPERTENSION: Diabetes mellitus and hypertension are interrelated diseases that strongly predispose people to atherosclerotic cardiovascular disease. Hypertension is about twice as frequent in individuals with diabetes as in those without. The prevalence of coexisting hypertension and diabetes appears to be increasing in industrialized nations because populations are aging, and both hypertension and non-insulin-dependent diabetes mellitus (NIDDM) increase with age. An estimated 35-75% of diabetic cardiovascular and renal complications can be attributed to hypertension.
Essential Hypertension:
Essential hypertension accounts for the majority of hypertension in individuals with diabetes, particularly those with NIDDM, who constitute over 90% of those with a dual diagnosis of diabetes and hypertension. Diabetic nephropathy, which occurs after 15 years of diabetes in one-third of those with insulin-dependent diabetes and 20% of those with NIDDM, is an important contributing factor to the development of hypertension in the diabetic. New investigations should focus increasingly on identifying appropriate antihypertensive agents that not only lower blood pressure but also reduce cardiovascular risk and retard the rate of progression of diabetic renal disease.
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