Ablate and Pace HIS Study

Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, and estimates suggest its prevalence is increasing. Despite the advances in AF ablation strategies, the outcome of ablation procedures in persistent AF is still unsatisfactory. In addition, many patients are not candidates for ablation due to advanced age, comorbidities and previous failed ablation procedures. It is well known that there is no mortality benefit from rhythm versus rate control strategy in AF, therefore the increased number of AV node ablation and pacemaker insertion for patients with symptomatic AF with uncontrolled heart rate. Following AV node ablation, it is understandable that these patients will be paced 100% of the time where the value of physiological pacing will be at its most. The current standard practice is to pace the right ventricle for this cohort of patients unless they have severe LV systolic dysfunction when a biventricular pacing might be recommended. Previous data showed that RV pacing only can lead to deterioration of LV function, worsening of heart failure symptoms and increased mortality. HIS bundle pacing is a novel technique of pacing through placing the pacemaker lead on the junction box between the top and bottom chamber of the heart. This will allow the utilisation of the normal/intrinsic HIS Purkinjie (eclectic cables) to stimulate the ventricles. This can offer a physiological pacing modality and reduce pacing induced cardiomyopathy specially in pacing dep…

This description comes directly from the study's public registry record.

Mokhtar Ibrahim, Dr  ·  0116 2583887  ·  mokhtar.ibrahim@uhl-tr.nhs.uk

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