下肢动脉硬化性闭塞性疾病的影像学进展

The Imaging Progress of Lower Extremity Arteriosclerotic Occlusive Disease

目前,随着社会的发展和人民生活水平的提高,尤其是糖尿病和高脂血症患者数量的增多,导致下肢动脉硬化性闭塞性疾病的发病率越来越高,影像学诊断地位突显,其诊断方法主要有:多普勒超声(DUS)、多层CT血管成像(MSCTA)、磁共振血管成像(MRA)和数字减影血管造影(DSA)。以上诸多检查方法各有其优缺点,DUS较实用,但是无法显示下肢血管树;MSCTA显示钙化最好,但有辐射;MRA显示血管较清晰,但检查时间长;DSA是公认的金标准,但为有创性检查。为方便临床医师根据实际情况进行筛选,该文就这些影像检查进展做一综述。

Nowadays, with the development of society and the improvement of living standard, especially with the appearance of diabetes mellitus and hyperlipidemia, the incidence of arteriosclerotic occlusive disease is increasing and the imaging diagnosis status is more important, which mainly includes DUS, MSC-TA, MRA and DSA. There are many advantages and disadvantages among the above examination methods, DUS is more applicable, but it cannot display the whole vascular tree of lower cxtremity;MSCTA is the best tc display calcification, but it has radiation;MRA can clearly display vascular, but its examination time is too long;DSA is known as the golden standard, but it is traumatic. For the convcnience of clinician to make better choice in practice, here is to make a review of these imaging methods.