在美国,心脏病是死亡的最主要原因,占死亡人数的38％。治疗各种心血管疾病用药的费用今年达35亿美元,其中主要用于治疗心脏病。由于这是一个大的市场,美国各大型制药公司都在从事新的有效心血管药物的研究工作。近年发展的一些新类型药物为新药的研究和制造商的销售打开了新的局面。这些类别是β-肾上腺素能受体阻滞剂和更引人注意的钙通道阻滞剂。许多心脏病发病的基本原因是由于脂质 Heart disease is the leading cause of death in the United States, accounting for 38% of all deaths. The cost of treating a variety of cardiovascular diseases amounts to 3.5 billion U.S. dollars this year, mainly for the treatment of heart disease. As this is a big market, major U.S. pharmaceutical companies are working on new and effective cardiovascular drugs. Some new types of drugs that have been developed in recent years have opened the door to new drug research and the sale of manufacturers. These categories are beta-adrenergic receptor blockers and more notable calcium channel blockers. The basic cause of many heart attacks is due to lipids