Objective： To investigate the effect of intramyocardial bone marrow cell injection on myocardial perfusion and LV function in patients with chronic myocardial ischemia.

研究骨髓干细胞内注射对慢性灌注及左室能的影响。

In fact, the MI patients had unstable angina, a high risk condition already established by pathological studies to bespecifically induced by intramyocardial platelet emboli.

事实上，有不稳定绞痛，病理学研究已证实这种高危状态可由内小板栓子诱发。