Septal Coronary Artery Fistula After Implantation of a Left Bundle Branch Area Pacemaker

Nicolas Bradt; Maxim Verlee; Christophe Borin; Hans Vandekerckhove; Laurens De Vos

doi:10.25270/jic/26.00017

January 28, 2026The Journal of invasive cardiology/The journal of invasive cardiology

Septal Coronary Artery Fistula After Implantation of a Left Bundle Branch Area Pacemaker

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Key Points

Ventricular arrhythmias were observed in a patient with a septal coronary artery fistula.
The patient, a 51-year-old man, had a history of hypertrophic cardiomyopathy linked to hypertension.
The case illustrates complications resulting from pacemaker implantation in patients with cardiomyopathy.
Management of the fistula may require multidisciplinary approaches for better outcomes.

Structured PICO

P

Population

1 51-year-old man with mixed-phenotype cardiomyopathy (initially diagnosed as hypertrophic cardiomyopathy) and poorly controlled arterial hypertension, presenting with new-onset ventricular arrhythmias.

I

Intervention

Left bundle branch area pacemaker implantation

O

Outcome

Septal coronary artery fistulasafety

Implantation of a left bundle branch area pacemaker can be complicated by a septal coronary artery fistula, potentially leading to ventricular arrhythmias.

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Implication

Warrants vigilance for fistula-related arrhythmias after LBBAP; hypothesis-generating for this rare complication and needs incidence studies.

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Cite This Study

Bradt et al. (2026) studied this question.

synapsesocial.com/papers/69a75f8fc6e9836116a2b038 https://doi.org/10.25270/jic/26.00017

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Septal Coronary Artery Fistula After Implantation of a Left Bundle Branch Area Pacemaker

Key Points

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Septal Coronary Artery Fistula After Implantation of a Left Bundle Branch Area Pacemaker

Key Points

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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