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Reduced Biventricular Pacing clinical trials

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NCT ID: NCT04065893 Completed - Clinical trials for Ventricular Tachycardia

Impact of Catheter Ablation of Ventricular Arrhythmias on Suboptimal Biventricular Pacing in Cardiac Resynchronization Therapy

Start date: September 1, 2020
Phase:
Study type: Observational

Cardiac resynchronization therapy reduces mortality in patients with systolic heart failure and left bundle branch block. Reduced biventricular pacing can lead to therapy failure. Most effective mortality reduction was seen with a BiV pacing above 98%. Reduced BiV pacing is a common phenomenon with potential impact on CRT-response and pts' prognosis. Frequent ventricular ectopy may be associated with attenuated benefit from CRT. The investigators sought to systematically assess the effect of ventricular arrhythmia treatment on BiV pacing.