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  • Title: [Bachmann bundle pacing].
    Author: Israel CW, Burmistrava T, Berger C.
    Journal: Herz; 2018 Nov; 43(7):584-595. PubMed ID: 30255305.
    Abstract:
    In pacemaker and ICD therapy, atrial leads are usually implanted in the right atrial appendage (RAA). This is easy but associated with a risk of negative hemodynamic and electrophysiological effects. Atrial depolarization, atrial contraction, and atrioventricular conduction can be delayed and desynchronized by RAA pacing leading to atrial fibrillation, pacing-induced long first-degree AV block, right ventricular pacing and the development of heart failure. High-septal atrial pacing near Bachmann's bundle that connects the right and left atrium can prevent the negative effects of RAA pacing and synchronize atrial excitation as demonstrated by the shortening of the PQ time and P wave duration during Bachmann bundle pacing. This review presents techniques to implant atrial leads at Bachmann's bundle. Apart from fluoroscopy in left anterior oblique projection, no additional effort compared to RAA implantation is required. Clinical studies on Bachmann bundle pacing are sparse; our own results suggest beneficial effects in patients with sick sinus syndrome and paroxysmal atrial fibrillation who receive atrial pacing for ≥50% of the time. Bachmann bundle pacing represents an interesting and simple option for atrial pacing. It is desirable to make this technique known to a wider spectrum of implanters and to generate more data on its clinical potential.
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