BACKGROUND Mechanical thrombectomy is the most effective treatment for great cerebral artery embolization within a set time window.Typically,an arteriogram does not show the localization of the stent after release and...BACKGROUND Mechanical thrombectomy is the most effective treatment for great cerebral artery embolization within a set time window.Typically,an arteriogram does not show the localization of the stent after release and whether a thrombus is captured or not.Thus,improving the visualization of a stent in interventional therapy will be helpful for clinicians.AIM To analyze stent imaging findings to enhance clinicians’understanding of a special circumstance,wherein a Solitaire AB retrievable stent was visible during the imaging of a thrombus capture that improved the success rate of stent-based mechanical thrombectomy.METHODS This was a retrospective study with four acute ischemic stroke(AIS)patients who underwent stent-based mechanical thrombectomy.RESULTS Patient 1 was a 64-year-old man admitted after 5 h of confusion;angiography revealed basilar artery occlusion.We inserted a stent into the left posterior cerebral artery-P2 segment and visualized the expanded stent that successfully captured a thrombus.Patient 2 was a 74-year-old man admitted with confusion,which lasted approximately 3 h.Angiography revealed a left middle cerebral artery(MCA)-M1 segment occlusion.A stent was deployed in the distal M2 segment,and we could visualize the stent by capturing the thrombus.Patient 3 was a 74-year-old woman admitted after experiencing left hemiplegia for 3 h.We deployed a stent at the distal right MCAM2 segment,and the developing stent captured a large thrombus.Patient 4 was an 82-year-old man who presented with confusion for 3 h.A developing stent was placed in the distal left MCA-M1 segment,which captured a large thrombus and several fragmented thrombi.CONCLUSION To the best of our knowledge,this is the first report of stent imaging in patients with AIS.We demonstrated the usefulness and substantial potential of stent imaging in stent-based mechanical thrombectomy for AIS.展开更多
基金The Clinical Research Project of The First Affiliated Hospital of Shenzhen University,No.20223357030 and No.20223357021the“Double-First Class”Application Characteristic Discipline of Hunan Province(Pharmaceutical Science).
文摘BACKGROUND Mechanical thrombectomy is the most effective treatment for great cerebral artery embolization within a set time window.Typically,an arteriogram does not show the localization of the stent after release and whether a thrombus is captured or not.Thus,improving the visualization of a stent in interventional therapy will be helpful for clinicians.AIM To analyze stent imaging findings to enhance clinicians’understanding of a special circumstance,wherein a Solitaire AB retrievable stent was visible during the imaging of a thrombus capture that improved the success rate of stent-based mechanical thrombectomy.METHODS This was a retrospective study with four acute ischemic stroke(AIS)patients who underwent stent-based mechanical thrombectomy.RESULTS Patient 1 was a 64-year-old man admitted after 5 h of confusion;angiography revealed basilar artery occlusion.We inserted a stent into the left posterior cerebral artery-P2 segment and visualized the expanded stent that successfully captured a thrombus.Patient 2 was a 74-year-old man admitted with confusion,which lasted approximately 3 h.Angiography revealed a left middle cerebral artery(MCA)-M1 segment occlusion.A stent was deployed in the distal M2 segment,and we could visualize the stent by capturing the thrombus.Patient 3 was a 74-year-old woman admitted after experiencing left hemiplegia for 3 h.We deployed a stent at the distal right MCAM2 segment,and the developing stent captured a large thrombus.Patient 4 was an 82-year-old man who presented with confusion for 3 h.A developing stent was placed in the distal left MCA-M1 segment,which captured a large thrombus and several fragmented thrombi.CONCLUSION To the best of our knowledge,this is the first report of stent imaging in patients with AIS.We demonstrated the usefulness and substantial potential of stent imaging in stent-based mechanical thrombectomy for AIS.
文摘目的探讨Solitaire AB支架取栓后桥接治疗进展性和主动脉弓上动脉内大血栓负荷性特殊类型脑梗死的安全性和有效性。方法第1例Solitaire AB支架取栓后桥接支架置入治疗大脑中动脉主干闭塞超取栓时间窗进展性脑梗死;第2例取栓后桥接动脉溶栓治疗颈内动脉起始部至大脑中动脉主干大血栓负荷性脑梗死。术后均给予阿司匹林和氯吡格雷负荷量抗血小板聚集,低分子肝素钙抗凝。术后平均动脉压控制在90-120 mm Hg,同时给予神经保护治疗。结果第1例患者术前NIHSS评分15分,mRS评分为4分,取栓前m TICI分级0级,取栓桥接后m TICI分级3级,术后1周NIHSS评分0分,mRS评分1分,术后90 d NIHSS评分0分,mRS评分1分。第2例患者术前NIHSS评分12分,mRS评分5分,取栓前m TICI分级0级,取栓桥接后m TICI分级2b级,术后1周NIHSS评分2分,mRS评分1分,术后90 d NIHSS评分1分,mRS评分1分。2例患者均未出现明显并发症。结论在严格围手术期管理下使用Solitaire AB支架取栓桥接治疗超取栓时间窗大动脉闭塞进展性脑梗死和大动脉大血栓负荷性特殊类型脑梗死是安全和有效的。
