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方法 157例患者的200支冠状动脉狭窄处接受成形术治疗。每支冠脉随机给予以快速或缓慢球囊减压。快速减压是在<3秒钟内达到最大负压,而缓慢减压是在>10秒钟内达到最大负压。采用国家心肺血液研究院(NHLBI)冠脉成形术登记处标准将内膜撕裂进行分类:完全分离(A-F)、轻度分离(A-B)、重度分离(C-F)和无分离。
Methods A total of 200 coronary stenoses at 157 patients underwent angioplasty. Each coronary artery is given a rapid or slow balloon depressurization. Rapid decompression reaches maximum negative pressure in <3 seconds and slow decompression reaches maximum negative pressure in> 10 seconds. Endometrial tear was classified according to the NHLBI registry: complete separation (A-F), mild separation (A-B), severe separation (C-F) and no separation.