High-complexity example of Pipeline embolisation device (PED) treatment of a giant 25 mm right-sided petrocavernous internal carotid artery (ICA) cerebral.

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Presentation transcript:

High-complexity example of Pipeline embolisation device (PED) treatment of a giant 25 mm right-sided petrocavernous internal carotid artery (ICA) cerebral aneurysm. High-complexity example of Pipeline embolisation device (PED) treatment of a giant 25 mm right-sided petrocavernous internal carotid artery (ICA) cerebral aneurysm. (A) Right ICA digital subtraction angiogram (DSA; anteroposterior (AP) view) and (B) three-dimensional rotational reconstructed image demonstrating the right-sided 25 mm petrocavernous ICA aneurysm. Treatment of this aneurysm required complex PED deployment. (C) Twisting of the PED (red arrow) during initial deployment of a 5.0 mm × 30 mm device. Despite multiple manipulations, the twist was unable to be corrected and this device was removed without incident. An intracranial exchange was performed to establish a neutral microcatheter for subsequent PED deployment. Two telescoping PEDs (5.0 mm × 30 mm and 5.0 mm × 18 mm) were subsequently deployed. (D–E) Balloon angioplasty (D, pre; E, post) was used to improve wall apposition and device opening where the vessel was flattened from the mass effect of the aneurysm (white arrows in D). (E) Following angioplasty, the PED was widely open and well apposed (black arrows). (F) Post-PED implantation DSA demonstrating good anterograde flow in the parent vessel. The procedure was performed with 152 min of fluoroscopy time and 6109 mGy of radiation exposure, with a P2Y12 reaction unit value of 125. The patient awoke from the procedure in good condition. Shortly afterwards, the patient experienced a decline in mental status and decreased movement in the left upper extremity. Following a CT head that was negative for haemorrhage, the patient was brought back emergently for angiography. (G) DSA demonstrated multifocal platelet plugs (red arrowheads) in the Pipeline construct and reduced flow in the right anterior cerebral artery (red arrow). (H) An intra-arterial abciximab bolus was given with significant reduction in platelet plugging (black arrowheads) and improved anterograde flow (black arrow). The patient returned to her neurological baseline by the time of discharge. (I, AP; J, lateral) 12-month follow-up angiography demonstrated complete aneurysm occlusion and vessel remodelling with no evidence of in-stent stenosis or thrombosis. Bowen Jiang et al. Stroke Vasc Neurol 2018;svn-2018-000150 © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.