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PT  - JOURNAL ARTICLE
AU  - Eugène, F.
AU  - Gauvrit, J.-Y.
AU  - Ferré, J.-C.
AU  - Gentric, J.-C.
AU  - Besseghir, A.
AU  - Ronzière, T.
AU  - Raoult, H.
TI  - One-Year MR Angiographic and Clinical Follow-Up after Intracranial Mechanical Thrombectomy Using a Stent Retriever Device
AID  - 10.3174/ajnr.A4071
DP  - 2015 Jan 01
TA  - American Journal of Neuroradiology
PG  - 126--132
VI  - 36
IP  - 1
4099  - http://www.ajnr.org/content/36/1/126.short
4100  - http://www.ajnr.org/content/36/1/126.full
SO  - Am. J. Neuroradiol.2015 Jan 01; 36
AB  - BACKGROUND AND PURPOSE: Little is known about the consequences of arterial wall damage that may be due to mechanical endovascular thrombectomy. Our aim was to perform 1-year MR angiographic and clinical follow-up of patients treated with mechanical endovascular thrombectomy using the Solitaire device. MATERIALS AND METHODS: Patients with stroke treated between August 2010 and July 2012 were prospectively evaluated with a minimum follow-up of 1 year after mechanical endovascular thrombectomy. Angiographic follow-up was performed on a 3T MR imaging scanner and included intracranial artery TOF MRA and supra-aortic artery gadolinium-enhanced MRA. Images were assessed to detect arterial abnormalities (stenosis, occlusion, dilation) and were compared with the final post-mechanical endovascular thrombectomy run to differentiate delayed and pre-existing abnormalities. Clinical evaluation was performed with the mRS and the 36-Item Short-Form Health Survey questionnaire quality-of-life scale. RESULTS: Thirty-nine patients were angiographically assessed at the mean term of 19 ± 4 months. MRA showed intracranial artery abnormalities in 10 patients, including 5 delayed intracranial artery abnormalities in 4 patients (4 stenoses and 1 dilation), 4 cases of pre-existing intracranial artery stenosis, and 2 occlusions. Pre-existing etiologic cervical artery stenosis or occlusion was observed in 2 patients. All these patients remained asymptomatic during the follow-up period. A significant clinical improvement was observed at 1-year follow-up in comparison with 3-month follow-up (P &amp;lt; .0001), with a good outcome achieved in 62.5% of patients and an acceptable quality of life restored. CONCLUSIONS: One-year follow-up identifies delayed asymptomatic arterial abnormalities in patients treated with the Solitaire device. FUfollow-upMETmechanical endovascular thrombectomySF-3636-Item Short-Form Health Survey QuestionnaireTOASTTrial of Org 10172 in Acute Stroke Treatment