P161/225 Proximal balloon-guided catheter with flow inversion vs. distal filter protection during the carotid stent placement, a seven years experiences in a Colombia reference center

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Introduction The carotid stent placement as a therapeutic option for carotid stenosis has been increasing among years; therefore, studies are required to evaluate the security and efficacy of its materials. Aim of Study The purpose of this study was to evaluate the distal filter and the proximal balloon-guided catheter with flow inversion as protection devices during carotid angioplasty and stenting. Methods This is a retrospective, observational study of patients diagnosed with carotid stenosis treated with angioplasty between January 1, 2014, and June 30, 2020; we analyzed a radiology service database to compare the distal filter and the proximal balloon-guided catheter as protection devices during angioplasty. Results One hundred seventy-five angioplasties were performed, the distal filter was the most prevalent embolic protection device used (66%), patients baseline characteristics did not differ between groups with different embolic protection devices, except for history of dyslipidemia (p < 0.000). As well, we did not find any significant differences between the groups in the device related complications, intervention time (p = 0.140), unrelated complications (p = 0.693) and functional independence at 90 days (p=0.096). Conclusion In our study the proximal balloon-guided catheter and the distal filter protection device as protection devices during the carotid stenting didn’t show significant differences regarding complications related to the system. Disclosure of Interest Nothing to disclose

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