Aortic Valve Stenosis Clinical Trial
Official title:
Pacing of the Left Bundle Branch Area NEcessitated After TAVR
Prospective, randomized, single center clinical trial to compare the outcome of left bundle branch area pacing versus right ventricular apical pacing in patients with higher degree atrio-ventricular block and a normal left ventricular function after transcatheter aortic valve replacement.
Transcatheter aortic valve replacement (TAVR) is a well-established treatment of aortic valve stenosis. Yet, requiry of permanent pacing due to new onset atrio-ventricular conduction block remains a frequent complication. Standard right ventricular pacing (RVP) at high pacing burden may lead to deterioration of left ventricular function. Left-Bundle-Area Pacing (LBBP) is a new, innovative method of physiological ventricular stimulation resulting in narrow, physiological QRS complexes. In this prospective, randomized, single center clinica trial, patients are included after TAVR and with normal left ventricular function who require pacing due to a higher degree atriao-ventricular block with an anticipated high pacing burden. Patients will be randomized to receive either left bundle branch area pacing (intervention) or right ventricular apical pacing (control). The results will confirm the feasibility of LBBP in patients following TAVR. Results will further investigate the primary outcome of a clinically relevant QRS narrowing and a combination of exploratory secondary endpoints including clinical outcomes, functional status, laboratory biomarkers, and quality of life. ;
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