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Refractory in-stent stenosis after flow diverter stenting associated with delayed cobalt allergic reaction
In-stent stenosis (ISS) triggered by a metal-induced allergic reaction of Pipeline embolization device (PED) placement is extremely rare. The present report describes a patient who presented with delayed parent artery occlusion and refractory ISS after PED placement due to cobalt allergy. A patient in her 70s underwent PED placement for a right internal carotid artery (ICA) large aneurysm; 4 months later, the patient presented with left-sided hemiparesis, and MRI revealed right ICA occlusion even though antiplatelet therapy was optimal. She underwent mechanical thrombectomy, and successful recanalization was achieved. Howe...
Source: Journal of NeuroInterventional Surgery - March 18, 2022 Category: Neurosurgery Authors: Fujii, S., Fujita, K., Yamaoka, H., Miki, K., Hirai, S., Nemoto, S., Sumita, K. Tags: Open access, Hemorrhagic stroke Source Type: research