ArticleFrontiers in cardiovascular medicine2026
Radial artery thrombus remodeling after transradial access: from fresh components to recanalized channels on OCT.
Article in Frontiers in cardiovascular medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Radial artery thrombus (RAT) is a key substrate of radial artery occlusion after transradial access (TRA), but Aims: This study aims to characterize RAT using optical coherence tomography (OCT), propose an OCT-based phenotyping scheme, and describe interval-stratified patterns after TRA. Methods: We retrospectively analyzed a prospectively maintained, single-center registry of consecutive radial artery OCT (RA-OCT) performed after OCT-guided coronary intervention (April 2019-September 2025). RAT was adjudicated by blinded readers using prespecified criteria: Type 1 (fresh), Type 2a/2b (non-recanalized without/with intrathrombus cavities), and Type 3 (recanalized with communicating channels). Phenotypes were compared across proximal, mid, and distal segments as well as across strata defined by time since the most recent ipsilateral TRA. Results: Eighteen patients underwent RA-OCT. The prevalence of Type 2b increased from proximal to distal segments (11.1% vs. 22.2% vs. 38.9%; Conclusions: RA-OCT enables
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