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Year : 2014  |  Volume : 62  |  Issue : 6  |  Page : 618--624

First Indian single center experience with pipeline embolization device for complex intracranial aneurysms

1 Department of Radiology, Kovai Medical Center and Hospital, Coimbatore, Tamil Nadu, India
2 Department of Neurology, Kovai Medical Center and Hospital, Coimbatore, Tamil Nadu, India
3 Department of Neurosurgery, Kovai Medical Center and Hospital, Coimbatore, Tamil Nadu, India

Correspondence Address:
Mathew P Cherian
Department of Radiology, Kovai Medical Center and Hospital, Avinashi Road, Coimbatore, Tamil Nadu - 641 014
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0028-3886.149383

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Background: Flow diversion is a novel method of therapy wherein an endoluminal sleeve, the flow diverter stent is placed across the neck of complex aneurysms to curatively reconstruct abnormal vasculature. We present the first Indian single center experience with the pipeline embolization device (PED) and 6 months follow-up results of 5 patients. Subjects and Methods: Five complex or recurrent intracranial aneurysms in five patients were treated with PED. The patients were followed-up with magnetic resonance angiography (MRA) after 4 weeks and conventional angiography after 6 months. Feasibility, complications, clinical outcome, early 1-month MRA and 6 months conventional angiographic follow-up results were analyzed. Results: Of the five aneurysms treated, four were in the anterior circulation and one in the posterior circulation. All five patients were treated with a single PED in each, and additionally coils were used in one patient. At 1-month MRA follow-up, complete occlusion was seen in 2 (40%) of the five cases. Post 6 months conventional angiography showed complete occlusion of the aneurysm sac in all five cases (100%). Side branch ostia were covered in three patients, all of which were patent (100%). There was no incidence of major neurological morbidity or mortality. One patient (20%) who had basilar top aneurysm experienced minor neurological disability after 5 days which partially improved. Conclusions: Pipeline embolization device for complex and recurrent aneurysms is technically feasible, safe, offers low complication rate, and definitive vascular reconstruction. PED can be used without fear of occlusion of covered eloquent side branches and perforators.


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