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Article History

Received: 6 August 2025

Accepted: 22 September 2025

First Online: 9 October 2025

Declarations

:

: The present study was approved by the local ethics committee and was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. The VOLT CE Mark study was sponsored by Abbott.

: The manuscript “Catheter Design Matters: Hemolysis and Renal Function After Pulsed Field Ablation With Balloon-in-Basket vs. Pentaspline Systems” is not under consideration for publication elsewhere. None of the paper’s contents has been previously published. All authors have read and approved the manuscript.

: JPW received funding of the German Foundation of Heart Research (F/29/19), speaker fees from Abbott and Doctrina Med, and travel grants from Boston Scientific in each case unrelated to this project. CE received travel grants and research grants from Abbott, Boston Scientific, Lifetech, Biosense Webster and Cardiofocus and speaker honoraria from Abbott, Boston Scientific, Biosense Webster, Cardiofocus and C.T.I. GmbH, and Doctrina Med. JV received travel grants from Abbott, Bayer, Biosense Webster and Daiichi Sankyo, speaker’s honoraria from Abbott, Astra Zeneca, Boston Scientific, Doctrina Med, EHRA, Medtronic, Daiichi Sankyo, and Novartis and is a proctor for Boston Scientific. KHK reports grants and personal fees from Abbott Vascular, Medtronic, and Biosense Webster outside the submitted work. MK received travel and congress grants from Abbott Medical outside the submitted work. RRT is a consultant for Abbott, Boston Scientific, Biotronik, and Biosense Webster and received speaker honoraria from Biosense Webster, Medtronic, Boston Scientific, and Abbot Medical. SSP is a medical consultant by Active Health and has received travel grants and congress grants from Lifetech and educational grants and a speaker grant from Abbott Medical. All other authors have no relevant disclosures.