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比较心肌灌注显像和超声心动药物负荷试验对冠心病诊断的意义

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摘要 通常诊断冠心病(CAD)的药物负荷试验是指进行药物负荷状态下的心肌灌注显像(SPECT)和超声心动图(ECHO).尽管ECHO的资料还不多,但是有超过1/2的负荷ECHO是通过药物完成的.在所有负荷方式中检测CAD总的敏感性SPECT比ECHO略高,而ECHO特异性略高.这种区别无统计学意义.两种技术应用的药物负荷制剂分为两大类;冠脉扩张剂潘生丁和腺苷;心脏正性变力性药物如多巴酚丁胺.这两类药物反映CAD灌注显像异常与冠脉血流储备是同步的.两类药物诊断CAD有高度的准确性,安全性好,仅有小的副作用.
作者 川玲
出处 《转化医学杂志》 2000年第4期215-218,共4页 Translational Medicine Journal
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