Related Experiment Videos
[Diuretic therapy of hypertensives with Type 2 diabetes; rational therapy or malpractice?]
R F Schäfers1, P Lütkes, T Philipp
1Abteilung für Nieren- und Hochdruckkrankheiten, Universitätsklinikum Essen. rafael.schaefers@uni-essen.de
Insights
Diuretics effectively lower blood pressure and reduce mortality in hypertensive patients with type-II-diabetes. Despite concerns about metabolic effects, the benefits of blood pressure reduction outweigh potential risks, improving patient survival and quality of life.
Area of Science:
- Cardiology
- Endocrinology
- Pharmacology
Background:
- Effective antihypertensive therapy, particularly with diuretics, is proven to reduce overall mortality and cardiovascular issues.
- The use of diuretics in hypertensive patients with type-II-diabetes is debated due to potential adverse metabolic effects.
- Concerns exist that metabolic disturbances from diuretics might negate the cardiovascular benefits of blood pressure reduction in diabetics.
Purpose of the Study:
- To evaluate the role and efficacy of diuretic-based antihypertensive therapy in patients with type-II-diabetes.
- To determine if the benefits of blood pressure reduction with diuretics outweigh potential metabolic side effects in type-II-diabetes.
Main Methods:
- Analysis of large-scale, prospective, randomized intervention trials.
- Comparison of outcomes in hypertensive type-II-diabetic patients treated with diuretics versus other antihypertensives or placebo.
- Assessment of cardiovascular morbidity, total mortality, and metabolic parameters (glucose, lipids, electrolytes).
Main Results:
- Blood pressure reduction via antihypertensive therapy, including diuretics, significantly reduces total mortality and cardiovascular morbidity in type-II-diabetics.
- The cardiovascular benefits of blood pressure lowering in type-II-diabetics are more pronounced than in non-diabetics.
- Adverse effects on glucose, lipid, and electrolyte metabolism are of minor clinical relevance and do not offset the survival benefits.
Conclusions:
- Diuretic-based antihypertensive therapy is a rational and evidence-based treatment for hypertensive patients with type-II-diabetes.
- Diuretics prolong life and improve the quality of life for hypertensive individuals with type-II-diabetes.
- The use of diuretics in this population is not considered malpractice, given the substantial cardiovascular and mortality benefits.
Abstract:
There is overwhelming evidence that effective antihypertensive therapy with diuretics reduces total mortality and cardiovascular morbidity. Therefore, diuretics have a well established place in the pharmacotherapy of hypertension. However, their role in the treatment of hypertensives with type-II-diabetes is a matter of controversy due to their potentially adverse effects on glucose-, lipid- and electrolyte metabolism which--in type-II-diabetics--may potentially offset the beneficial effects of blood pressure lowering. However, results of large-scale, prospective, randomised intervention trials demonstrate that in type-II-diabetics the beneficial effects of blood pressure reduction per se are more important than any potentially adverse effects on metabolic surrogate parameters. The reduction in total mortality and cardiovascular morbidity as a result of effective antihypertensive therapy is more pronounced in type-II-diabetics than in non-diabetics. This holds also true for a diuretic based antihypertensive therapy in type-II-diabetics. Clearly their effects on glucose-, lipid- and electrolyte metabolism are of minor, if any, clinical relevance. The hypertensive type-II-diabetic benefits from diuretics--they prolong life and improve its quality. Therefore, antihypertensive therapy with diuretics constitutes a rational pharmacotherapy founded on the principles of evidence based medicine and must not be considered as malpractice.