Abstract
自从1982年Aaslid首次应用以来,经颅多普勒超声已成为临床工作中评估颅内血流动力学状况的一种常规手段,并在实验工作中用于功能多普勒超声检查领域的研究.进入90年代后,这一技术得到进一步发展,B型超声与脉冲多普勒超声的结合使得颅脑组织结构的可视化超声观察成为可能,这就是经颅彩色编码超声检查(TCCS)技术.文章旨在从临床医生的立场对TCCS技术的应用现状进行回顾总结.在对检查方法和正常值进行描述后,重点讨论急性缺血性脑梗死发病后短时间内的急诊诊断,结合临床资料和CT检查结果对卒中进行快速鉴别诊断(症状出现3 h内)有助于对tPA溶栓治疗的正确决策.还讨论了TCCS在各种适应证中进行常规床旁随访检查的重要性,以及患者的友好性和效价比.最后,文章对颅内结构多维超声研究领域的未来发展前景进行了展望.
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