Abstract
To observe the short-term efficacy of Pipeline embolization divice (PED) for the treatment of complex intracranial aneurysms. The clinical data of 29 consecutive patients with 32 intracranial aneurysms treated with PED between April 2015 to September 2016 were analyzed retrospectively. There were 3 small aneurysm, 15 large aneurysms, 8 giant aneurysms, 5fusiform ayneurysms and 1 recidivation. The vessels include 25 anterior circulation and 4 posterior circulation. We treated 31 aneurysms with 30 PEDs and all of the stents were implanted successfully. 1 case of single aneurysm was multiple divices implanted and 1 case of 3 aneurysms were treated by single PED. 12 of the 29 patients were implanted PED only, 17 were implanted PED with coils, 2 underwent balloon remodeling after the PED implanted. The ostia of 19ophthalmic arteries, 10 posterior communicating arteries, 4 posterior inferior cerebellar arteries and 1 anterior cerebral artery were covered by PED during procedures; 1 ophthalmic arteries and 1 posterior communicating artery disappeared, no branch vessels occlusion and parent artery stenosis occurred.Hemorrhagic complacations occurred in 2 patients, 2 hours and 5 days after procedure respectively. Radiographic follow-up examnations were carried out in 24 patients and revealed complete occlusion in 21patients, uncomplete occlusion in 3 patients. No neurological injure occurred in 27 patients who received a clinical follow-up. PED provide a safe and effective methord for the treatment of intracranial complex aneurysms like wide-neck aneurysms, fusiform aneurysms, giant aneurysms in low risk of procedural complications and high rates of aneurysm occlusion.
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