SAIMSARA Journal

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Embolic Protection Devices Across TAVR, Carotid Stenting, SVG PCI, and Peripheral Interventions: Scoping Review with ☸️SAIMSARA.

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Cardiac & Vascular Health

Issue 1, Volume 1, 2026

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DOI: 10.62487/saimsara29b6d250

Editorial note
• Last update: 2026-05-24 14:06:59
What is this paper about
EPDs are not simply “filters”: across TAVR, carotid stenting, SVG PCI, renal, peripheral, and structural interventions, they reliably capture or deflect embolic material, but clinical benefit depends sharply on anatomy, procedure, device design, and endpoint choice. This evidence map shows where protection appears meaningful, where routine use remains unproven, and why the future of EPDs is likely selective, anatomy-informed deployment rather than universal application.
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Abstract: To map and synthesize the original research evidence on embolic protection devices (EPDs), emphasizing their procedural feasibility, embolic capture or deflection, clinical outcome signals, device-specific limitations, and context-dependent implications across vascular and structural interventions. The review uses 191 references and builds its evidence map from 609 original studies with 1949249 total participants/sample observations (topic-deduplicated ΣN). Across procedures, EPDs reliably capture or deflect embolic material—with debris recovered in up to 99% of protected TAVR cases and cerebral particle deflection reaching 98.7% in experimental models—yet this mechanistic effect translates inconsistently into clinical benefit. The dominant signal is that EPD value is procedure- and anatomy-dependent: carotid stenting registries associate protection with lower stroke or death, while large randomized TAVR evidence has not confirmed routine reduction in early stroke or cognitive decline. These observations support a selective, anatomy-informed approach rather than uniform deployment, while acknowledging that device failure modes and retrieval complications require predefined rescue strategies. Future research should prioritize harmonized endpoints spanning embolic capture, lesion volume, disabling stroke, and patient-centered outcomes within anatomically stratified trials to clarify which patients and procedures derive durable benefit from embolic protection.

Keywords: Embolic protection device; Cerebral embolic protection; Carotid artery stenting; Transcatheter aortic valve replacement; Stroke prevention; Cerebral embolization; Distal filter protection; Aortic arch; Diffusion-weighted MRI; Device retrieval

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