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  • Title: Thirty-five years of progress in cardiovascular research.
    Author: Braunwald E.
    Journal: Circulation; 1984 Nov; 70(5 Pt 2):III8-25. PubMed ID: 6386225.
    Abstract:
    In this overview of the achievements of the National Heart, Lung, and Blood Institute (NHLBI), the major developments in each major form of heart disease since the birth of the Institute 35 years ago are reviewed. In the case of congenital heart disease, it has become possible to establish an accurate diagnosis, often by noninvasive methods, and to correct by surgical treatment almost all congenital cardiac malformations. The major challenge now is to eliminate these disorders; this will require an understanding of the fundamental molecular basis of these lesions. Acquired valvular heart disease can also now be characterized by hemodynamic, angiographic, as well as noninvasive techniques, principally echocardiography. Surgical treatment is usually successful, but improvement in the durability of valves without thromboembolic potential remains an important challenge. While essential hypertension can now be managed pharmacologically in almost every patient and while such management reduces the excess mortality resulting from this condition, current research focuses on elucidating the underlying basis of this disorder. Atherosclerosis remains the most common cause of cardiac and vascular disease. Although its cause has not been defined, several abnormalities in lipid metabolism that play an etiologic role in many patients with atherosclerosis have been identified. The treatment of these disorders with cholesterol-binding resins, which increase the number of cellular receptors for low-density lipoprotein, and with inhibitors of the enzyme required for cholesterol biosynthesis holds considerable promise. Noninvasive techniques will be used increasingly for detection of atherosclerosis in asymptomatic persons and for determining the efficacy of therapy. The mortality resulting from acute myocardial infarction has been reduced in half by the development of coronary care units and the prompt treatment of potentially fatal ventricular tachyarrhythmias. Current research is focused on preventing pump failure by limiting infarct size; lysis of coronary thrombi now appears to be the most promising method of accomplishing this. Chronic angina pectoris can be relieved by the judicious use of three classes of drugs--organic nitrates, beta-adrenergic blockers, and calcium antagonists, and two mechanical approaches--percutaneous transluminal coronary angioplasty and coronary artery bypass grafting--are usually successful in relieving angina in patients who do not respond adequately to medical management. Whether or not any of these approaches prolong life is not yet settled.(ABSTRACT TRUNCATED AT 400 WORDS)
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