前言Dr DeSanctis是美国哈佛大学麻省总医院内科教授、心脏科主任。于1981年11月11日在广东省心血管病研究所作学术报告。现将其报告的第一讲题整理介绍如下。过去的十年中,在美国,许多人希望能够限制和缩小急性心肌梗塞病人的梗塞面积。曾经有不少人做过这方面的工作。如用β—阻滞剂等药物使心肌氧耗量下降,以缩小梗塞或缺 Preface Dr DeSanctis is a professor of internal medicine and director of cardiology at Massachusetts General Hospital, Harvard University. On November 11, 1981 in Guangdong Province Cardiovascular Institute for academic report. The first topic of his report is now organized as follows. In the past decade, in the United States, many people hope to limit and reduce infarct size in patients with acute myocardial infarction. Many people once did this work. Such as β-blockers and other drugs to myocardial oxygen consumption decreased to reduce infarction or lack of