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lüll Intracranial angioplasty: experience and complications Takis C; Kwan ES; Pessin MS; Jacobs DH; Caplan LRAJNR Am J Neuroradiol 1997[Oct]; 18 (9): 1661-8PURPOSE: To review our experience with intracranial angioplasty, including the complications we encountered. METHODS: During a 3-year period, from 1993 to 1996, 10 patients had intracranial percutaneous transluminal angioplasty (PTA). The stenosed vessels included three internal carotid arteries, one middle cerebral artery, one basilar artery, and five vertebral arteries. Stenosis in all patients was 75%, or greater. PTA was technically successful in eight patients; in two patients it could not be performed owing to inability to traverse the stenosed area. RESULTS: Two patients had successful and uneventful PTA. Five patients had vasospasm, which resolved with local vasodilators in two and with repeat PTA in one. Vasospasm led to stroke in two patients. Compromise of perforating vessels and arterial dissection were associated with stroke in two patients. CONCLUSION: Intracranial PTA is technically feasible but associated with risks related to vasospasm, arterial trauma, and compromise of perforating vessels.|Adult[MESH]|Aged[MESH]|Angioplasty, Balloon/*instrumentation[MESH]|Brain Ischemia/diagnostic imaging/*therapy[MESH]|Carotid Artery, Internal/diagnostic imaging[MESH]|Carotid Stenosis/diagnostic imaging/*therapy[MESH]|Cerebral Angiography[MESH]|Cerebrovascular Disorders/diagnostic imaging/therapy[MESH]|Female[MESH]|Follow-Up Studies[MESH]|Humans[MESH]|Intracranial Arteriosclerosis/diagnostic imaging/*therapy[MESH]|Ischemic Attack, Transient/diagnostic imaging/therapy[MESH]|Male[MESH]|Middle Aged[MESH]|Neurologic Examination[MESH]|Treatment Failure[MESH]|Vertebrobasilar Insufficiency/diagnostic imaging/*therapy[MESH] |