Clinical research of spontaneous vertebral artery dissection 7 cases studies 延髓背外侧综合征病因自发性椎动脉夹层7例临床研究
Objective To explore the characteristics of colour doppler flow imaging ( CDFI ) in the diagnosis of extracranial vertebral artery dissection ( EVAD ). 目的探讨颅外段椎动脉夹层的彩色多普勒超声表现。
We analysis the abnormality of V1 portion of vertebral artery entering transverse foramen, dissection struction and morphology and its harm. 分析V1段入孔异常与解剖结构关系、血管形变及其危害。
Objective To discuss the method of prevention of vertebral artery ischemia while using the endovascular graft exclusion technique for the treatment of Stanford B thoracic aortic dissection. 目的:探讨腔内隔绝术治疗StanfordB型胸主动脉夹层动脉瘤时椎动脉缺血的预防方法。