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Two Patients Who Underwent Emergency Stenting for Iatrogenic Cervical Internal Carotid Artery Dissection during Thrombectomy

Objective: Iatrogenic artery dissection during reperfusion therapy is one of the complications causing a poor prognosis. We report two cases of emergent stent placement for iatrogenic cervical carotid artery dissection during reperfusion therapy for acute ischemic stroke. Case Presentation: Two patients, a 77-year-old woman and a 77-year-old man, were diagnosed with acute major cerebral artery occlusion, and underwent reperfusion therapy. The iatrogenic internal carotid artery dissection was caused by derivation of a 6-Fr catheter and 0.014-inch wire in the tortuous cervical internal carotid artery, and emergent stent placement was performed. Recanalization was confirmed and no deterioration caused by the iatrogenic dissection was found. Conclusion: In patients in whom cerebral infarction is localized on MRI, additional stent placement may be effective for preventing adverse events caused by iatrogenic cervical internal carotid artery dissection during reperfusion therapy for intracranial cerebral artery occlusion related to atherosclerotic change. iatrogenic artery dissection led to a favorable postoperative course. In this study, we report two patients in whom emergency stenting for iatrogenic cervical internal carotid artery dissection, which occurred after introducing a 6-Fr catheter and 0.014-inch wire during reperfusion therapy for acute cerebral infarction, resulted in a favorable postoperative course.