Clinical impact of Bachmann's bundle pacing defined by electrocardiographic criteria on atrial arrhythmia outcomes

Evaluate whether Bachmann's bundle pacing (BBp) defined by electrocardiographic (ECG) criteria is associated with less atrial fibrillation/tachycardia (AF/AT) compared with anatomically defined right atrial septal pacing (RASp) and right atrial appendage pacing (RAAp). This is a retrospective s...

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Published in:Europace (London, England) England), 2022-10, Vol.24 (9), p.1460-1468
Main Authors: Infeld, Margaret, Nicoli, Charles D, Meagher, Sean, Tompkins, Bradley J, Wayne, Shawn, Irvine, Benjamin, Betageri, Omkar, Habel, Nicole, Till, Sean, Lobel, Jennings, Meyer, Markus, Lustgarten, Daniel L
Format: Article
Language:English
Subjects:
Atrial Fibrillation - diagnosis
Atrial Fibrillation - epidemiology
Atrial Fibrillation - therapy
Cardiac Pacing, Artificial - methods
Electrocardiography
Heart Septal Defects, Atrial
Humans
Retrospective Studies
Tachycardia
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Summary:Evaluate whether Bachmann's bundle pacing (BBp) defined by electrocardiographic (ECG) criteria is associated with less atrial fibrillation/tachycardia (AF/AT) compared with anatomically defined right atrial septal pacing (RASp) and right atrial appendage pacing (RAAp). This is a retrospective study comparing BBp with non-specific RASp and RAAp on new incidence, burden, and recurrence of AF/AT. We included patients who underwent atrial lead placement between 2006 and 2019 and received > 20% atrial pacing. BBp was defined by paced P-wave morphology and fluoroscopic lead position. Compared with RASp (n = 107) and RAAp (n = 108), AF/AT burden was lower in the BBp (n = 134) group by repeated measures ANOVA (P < 0.001). Over 2-year follow-up, AF/AT burden increased in the RASp (P < 0.01) and RAAp (P < 0.01) groups but did not significantly change in the BBp group (P = 0.91). Atrial arrhythmia burden was lower in the BBp group than the RASp and RAAp groups at 12-15, 18-21, and 24-27 months (P < 0.05) after pacemaker placement. Risk of AF/AT recurrence was lower in BBp than RASp (HR 0.43; P < 0.01) and RAAp patients (HR 0.29, P < 0.01). Risk of de novo AF/AT was also lower in BBp than in RASp (OR 0.12; P < 0.01) and RAAp patients (OR 0.20, P < 0.01). Bachmann's bundle pacing defined using P-wave criteria was associated with decreased atrial arrhythmia burden, recurrence, and de novo incidence compared with right atrial septal pacing and right atrial appendage pacing.
ISSN:1099-5129
1532-2092
DOI:10.1093/europace/euac029