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  • Title: [Antihypertensive therapy in the nineties].
    Author: Weidmann P, Ferrari P.
    Journal: Schweiz Rundsch Med Prax; 1992 Feb 11; 81(7):188-98. PubMed ID: 1535954.
    Abstract:
    The risk for cardiovascular complications is already substantially increased in persons with borderline elevation of arterial pressure (141-159/90-94 mmHg and transiently below). It increases progressively with higher grades of hypertension. The main aim of treatment is thus a significant improvement in survival for the patient. Persons with raised blood pressure (BP) have often additional cardiovascular risk factors such as deranged carbohydrate metabolism, dyslipidemia, left ventricular hypertrophy, smoking and others. Treatment of hypertensive patients should thus not only normalize BP but should at the same time reduce associated risk factors or at least not increase them. Conventional antihypertensive treatment based on thiazides in high doses or beta-blocking agents led to marked reduction of strokes and heart failure, but did not satisfactorily reduce coronary heart disease or sudden cardiac death. It has been suspected that other cardiac risk factors are insufficiently influenced or eventually even deteriorated by conventional therapy, thus counteracting partly a beneficial effect of lowered BP. Beta-blockers however have at least a secondary preventive effect after myocardial infarction. Newer antihypertensive drugs such as ACE-inhibitors, calcium antagonists and alpha 1-blockers reduce left ventricular hypertrophy and are at least neutral with regard to metabolism of lipids and carbohydrates. The non-thiazide diuretic indapamide and the serotonin (S2-) blocker ketanserin likewise are neutral with regard to glucose and lipid metabolism. The efficacy of these new drugs regarding long term survival is as yet undetermined. Persisting borderline or established hypertension should as a rule always be approached with basic non-pharmacologic measures: loss of overweight, reduction of alcohol intake, exercise, avoidance of high salt foods, abstention from smoking and withdrawal of BP-raising drugs. If antihypertensive medication is indicated, potential first line drugs are ACE-inhibitors, calcium antagonists, beta-blockers, thiazides at low dose, indapamide, ketanserin, the alpha 1-blocker prazosin and others; initially as monotherapy, if needed in combinations of 2 or 3. Older patients or those will with additional disturbances such as diabetes, hypercholesterolemia, nephropathy, heart failure, ischemic heart disease, arrhythmias, claudication, asthma and others need problem-adjusted modifications of treatment.
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