Mid-Term Outcome Following Pipeline Embolization of Unruptured Intracranial Aneurysms
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background
As an advanced generation of flow diverters (FD), pipeline embolization device (PED) is introduced for endovascular aneurysm occlusion. In the present study, we aimed to present the mid-term results after endovascular treatment of unruptured intracranial aneurysms using PED.
Patients and
Methods
A total of 20 patients with 20 intracranial wide neck aneurysms were treated with PED between July and October 2010. Patients were followed up 4 to 8 months after the procedure. Digital subtraction angiography (DSA) was carried out to assess stent integrity, displacement, and the presence of residual aneurysm.
Results
Out of 20 participants, PED deployment was successful in 19; whereas, intervention failed in one patient due to technical factors in device deployment. No severe acute complications were observed. One patient died after three months as a result of subarachnoid hemorrhage (SAH). Out of the remaining patients, DSA showed complete occlusion of aneurysms in 14 individuals (77.8%), while in four patients (22.2%), residual aneurysm was noted. Stent migration was not observed in any patients. Intra-stent stenosis (25% - 50%) was visualized in only one patient (5.5%).
Conclusion
This study showed promising mid-term results for the pipeline embolization device in the treatment of unruptured intracranial aneurysms. Larger studies with longer follow-up duration are warranted.
Language:
English
Published:
Iranian Journal of Radiology, Volume:15 Issue: 1, Jan 2018
Page:
13
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