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[Lowering blood pressure--preventing 4 out of 10 strokes. Fully utilizing antihypertensive therapy]
1Medizinische Klinik, St.-Josefs-Hospital, Cloppenburg. J.R.Schrader@t-online.de
Insights
Effective antihypertensive drug therapy significantly reduces stroke risk, especially in diabetic and elderly patients. Treatment goals include blood pressure below 140/90 mmHg, with specific considerations for ACE-inhibitors and calcium-antagonists.
Area of Science:
- Cardiology
- Neurology
- Geriatrics
Context:
- Antihypertensive drug therapy is crucial for preventing stroke and managing hypertension.
- Specific blood pressure targets are recommended: below 140/90 mmHg generally, and below 135/80 mmHg for diabetic patients.
- Elderly patients also benefit significantly from antihypertensive therapy in stroke prevention.
Purpose:
- To outline the benefits of antihypertensive drug therapy in stroke prevention.
- To provide recommendations for blood pressure targets and drug choices, particularly for diabetic patients.
- To discuss the role of antihypertensive therapy in secondary prevention and dementia risk reduction.
Summary:
- Antihypertensive therapy's primary benefit is stroke avoidance, with target blood pressure below 140/90 mmHg (135/80 mmHg for diabetics).
- ACE-inhibitors, potentially combined with calcium-antagonists, are advantageous for diabetics. Therapy also benefits the elderly and aids secondary stroke prevention.
- Hypertension management may reduce dementia risk; non-dipping during sleep indicates a poorer prognosis.
Impact:
- Provides evidence-based guidelines for optimizing antihypertensive therapy to reduce cerebrovascular events.
- Highlights the importance of managing hypertension in diabetic, elderly, and post-stroke populations.
- Emphasizes the potential of antihypertensive treatment to mitigate dementia risk and improve patient outcomes.
Abstract:
The greatest profit of antihypertensive drug therapy consists in avoiding stroke. The blood pressure aimed at should be below 140/90 mmHg, in diabetic patients below 135/80 mmHg. There exist no special recommendations concerning the choice between the various antihypertensive drugs in use. As a matter of fact, it is advantageous to use in diabetic patients primarily ACE-inhibitors, if necessary in combination with calcium-antagonists. The profit of antihypertensive therapy in avoiding stroke is also proved among elderly patients. All vascular risks should be treated. In case of atrial fibrillation and of asymptomatic high-grade restriction of the carotic artery the indication for a surgical treatment respectively for a therapy with antiaggregating drugs should be considered. Secondary prevention: Hypertension after a cerebral ischemia increases the risk of a recurrent ischemic event. Antihypertensive therapy may probably reduce the risk of a recurrent stroke. Analyses performed so far are only incomplete on this subject. For the first time, the PROGRESS-study will show exact data. Special recommendations concerning the choice between the various antihypertensive drugs in use do not exist neither. Therefore, the recommendations of the German Hypertension League for secondary prevention correspond with those for primary prevention. Hypertension increases the risk of developing dementia. Antihypertensive therapy may apparently reduce significantly the risk of developing dementia. A further important aspect is non-dipping at sleep which is correlated with a worse prognosis of patients.