Biventricular versus His bundle pacing after atrioventricular node ablation in heart failure patients with narrow QRS
- Žižek, David
- Antolič, Bor
- Zupan Mežnar, Anja
- Zavrl-Džananović, Dinko
- Jan, Matevž
- Štublar, Jernej
- Pernat, Andrej
DOIAbstract
Background: His bundle pacing (HBP) is a physiological alternative to biventricular (BiV) pacing. We compared short-term results of both pacing approaches in symptomatic atrial fibrillation (AF) patients with moderately reduced left ventricular (LV) ejection fraction (EF ≥35% and <50%) and narrow QRS (≤120 ms) who underwent atrioventricular node ablation (AVNA). Methods: Thirty consecutive AF patients who received BiV pacing or HBP in conjunction with AVNA between May 2015 and January 2020 were retrospectively assessed. Electrocardiographic, echocardiographic, and clinical data at baseline and 6 months after the procedure were assessed. Results: Twenty-four patients (age 68.8 ± 6.5 years, 50% female, EF 39.6 ± 4%, QRS 95 ± 10 ms) met the i...
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