SAFE-CUTTM球囊冠状动脉成形术的血管内超声观察Intravascular ultrasound study of SAFE-CUTTMballoon angioplasty in coronary heart disease
张邢炜,葛均波,杨建敏,周亮,高炎,王宁夫,徐坚,叶显华,潘浩,童国新,李佩璋
摘要(Abstract)：
目的采用血管腔内超声(IVUS)观察SAFE-CUTTM球囊成形术(SFCT)治疗冠状动脉(冠脉)狭窄的安全性和疗效。方法冠脉狭窄>70%的冠心病患者81例(男性59例,女性22例,年龄61±11岁),行SFCT(n=37)和普通球囊成形术(POBA,n=44)。所有病例术前、术后即刻行定量冠脉造影(QCA),55例(SFCT组24例,POBA组31例)术前、术后行IVUS。以QCA分析最小管腔直径(MLD)、参照管腔直径(RLD)和管腔直径狭窄百分比(DS);以IVUS分析外弹力膜内横截面积(EEMA)、最小管腔横截面积(MLA)、管腔面积狭窄率(AS)以及内膜撕裂类型和夹层形成。结果SFCT和POBA手术成功率均达到100%,无严重并发症发生。SFCT组平均扩张压力为871.4kPa,小于POBA组的1013.2kPa(P<0.05)。夹层发生率SFCT组为30.5%,POBA组为62.34%(P<0.05)。术后即刻MLA和MLD增大,SFCT组的MLD在介入治疗前后分别为0.67±0.45mm和2.41±0.33mm(P<0.01),MLA分别为1.49±0.61mm2和6.01±3.44mm2(P<0.01);POBA组的MLD在介入治疗前后分别为0.66±0.48mm和2.32±0.51mm(P<0.01),MLA分别为1.47±0.55mm2和5.51±3.02mm2(P<0.01)。SFCT组的MLD即刻获得为1.74±0.34mm,POBA组的MLD即刻获得为1.66±0.49mm(P<0.05);SFCT组的MLA即刻获得为4.52±0.50mm2,POBA组的MLA即刻获得为4.04±0.50mm2(P<0.05)。结论SFCT治疗冠脉狭窄安全有效。
关键词(KeyWords)： 血管成形术,气囊;超声检查,介入性;冠状动脉疾病
基金项目(Foundation):
作者(Author): 张邢炜,葛均波,杨建敏,周亮,高炎,王宁夫,徐坚,叶显华,潘浩,童国新,李佩璋
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