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Thrombosis occurring during transseptal puncture with electrocautery: A case report

Year: 2025

Type: article

Abstract: Electrocautery-assisted transseptal puncture offers clinical advantages but is associated with potential complications. Herein, we describe a case encountered during radiofrequency ablation for atrial fibrillation, in which intracardiac echocardiography detected a thrombus that formed after electrocautery and guidewire traversal of the interatrial septum. The thrombus appeared as a hyperechoic, cord-like structure adherent to the right atrial side of the interatrial septum. Prompt heparin administration led to thrombus resolution without embolization, enabling the procedure to continue safely. This case underscores the thrombotic risk of electrocautery transseptal puncture and highlights the need for further research on optimal anticoagulation strategies.

Source: Heart Rhythm O2

DOI: 10.1016/j.hroo.2025.10.004

Authors: Xiaohong Fu, Jia Gao, Min Guo, Meng Sun, Nan Zhang, Rui Wang

Institutions: Shanxi Medical University, First Hospital of Shanxi Medical University

Language: English

Topic: Atrial Fibrillation Management and Outcomes

Subfield: Cardiology and Cardiovascular Medicine

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $2,150