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From 1992 to 1997,We perfomed PICA on 30 pts with corcoary beart dieeaselfaterial and methed:30 pts (26malea,4 females),aged 54(40-70)yrs,included 9post-infarction. 6 stable angina 15 unatable angina(course of diseaae lmonth12yrs cardiac function Ⅰ-Ⅱ°