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- W4385398272 abstract "<h3>Objective</h3> Antiplatelet medication is required after stent-assisted coil embolization (SACE) to avoid thromboembolic complications. However, there is no consensus on how long the antiplatelet agent should be maintained. We investigate herein the clinical outcomes in patients who discontinued the antiplatelet agent 12 to 24 months after SACE. <h3>Methods</h3> We retrieved data from a prospective database for 373 consecutive patients with SACE at 6 institutions who discontinued antiplatelet therapy 12 to 24 months after SACE. We defined thromboembolic complications associated with discontinuation as neurologic or radiographic ischemia that occurred within 6 months after discontinuation of the antiplatelet agent; the lesion had to be correlated with the territory of the stented artery. <h3>Results</h3> The mean time of discontinuation of antiplatelet medication was 15.8 ± 4.7 months after SACE (12 to 18 months, n=271; 19 to 24 months, n=102). The most common location of treated aneurysms was the internal carotid artery (n=223; 59.8%). Laser-cut open-cell stent was most commonly applied (n=236; 60.8%), followed by braided closed-cell (n=119; 30.7%) and laser-cut closed-cell (n=33; 8.5%) stent; double stenting was applied in 15 aneurysms. There was no patient with cerebral ischemia related to discontinuation of antiplatelet medications, except for one high-risk patient of the ischemia (0.27%, 95% CI, 0.01% - 1.48%). <h3>Conclusion</h3> Our results suggest that it may be safe to discontinue antiplatelet medication after SACE in patients at low risk for ischemia, and that it appears safe to discontinue the agent at approximately 15 months after the procedure. Large cohort-based prospective studies or randomized clinical trials are warranted to confirm these results. <h3>Disclosures</h3> <b>Y. Cho:</b> None." @default.
- W4385398272 created "2023-07-31" @default.
- W4385398272 creator A5060489479 @default.
- W4385398272 date "2023-07-01" @default.
- W4385398272 modified "2023-09-27" @default.
- W4385398272 title "E-214 Safety of discontinuation of antiplatelet therapy 12 to 24 months after stent-assisted coil embolization: a multicenter retrospective study" @default.
- W4385398272 doi "https://doi.org/10.1136/jnis-2023-snis.313" @default.
- W4385398272 hasPublicationYear "2023" @default.
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