Key result
Transvenous coronary sinus defibrillator coil placement combined with CSP undergoes retrospective review in four patients.
Why the study?
Conventional transvenous ICDs with right ventricular defibrillation coils through the tricuspid valve increase risk of tricuspid regurgitation, heart failure hospitalization, and mortality.
Case Report (n=4)
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A retrospective review of four patients describing the use of a transvenous defibrillator coil in the coronary sinus combined with conduction system pacing to avoid trans-tricuspid leads.
Implantable cardioverter-defibrillators (ICDs) prevent sudden cardiac death in patients with sustained ventricular arrhythmias or reduced left ventricular ejection fraction (LVEF). 1 Conventional transvenous ICDs require placement of a right ventricular (RV) defibrillation coil through the tricuspid valve (TV). However, trans-tricuspid leads are associated with an increased risk of new or worsening tricuspid regurgitation (TR), which correlates with higher rates of heart failure (HF) hospitalization and mortality.
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Lamichhane et al. (2026) conducted a case report in Sustained ventricular arrhythmias or reduced left ventricular ejection fraction (n=4). Transvenous defibrillator coil in the coronary sinus combined with conduction system pacing was evaluated. Transvenous defibrillator coil placement in the coronary sinus combined with conduction system pacing was retrospectively reviewed in four patients.
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