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We read with great interest the recent paper by Vargas et al describing a novel beveled tip aspiration catheter with improved recanalization and patient outcome compared with conventional non-beveled tip catheters in a single-center retrospective study.1 We want to express our sincere congratulations to the authors on this finding but also want to present our disagreement with the mechanisms explaining the improved performance of the beveled tip catheter as compared with standard catheters.
The authors conclude that a primary reason for the higher rate of complete clot ingestion with the beveled tip catheter relates to the area of the catheter tip. It is widely accepted that ingestion force predicts recanalization efficacy, …
Contributors Both authors conceptualized the study and wrote and revised the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests YL: Consulting: Endovascular Engineering, LLC. DFK: Ownership/stockholder: Marblehead Medical, LLC, Superior Medical Experts, LLC, NeuroSigma; Research support: MicroVention, Medtronic, NeuroSigma, NeuroVasx, MiVi Neurovascular, Insera Therapeutics; Data Safety Monitoring Board: Vesalio, NoNO.
Provenance and peer review Not commissioned; internally peer reviewed.