The Lead Episode 3: A Discussion of Magnetic Resonance Imaging Based Dual Lead Cardiac Resynchronization Therapy-The Lead Episode 3

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In a recent study called "Magnetic Resonance Imaging Based Dual Lead Cardiac Resynchronization Therapy," researchers explored the use of left bundle branch pacing in patients with non-ischemic cardiomyopathy. The study found that patients with less than 10% scar burden in the left ventricle had significant improvements in left ventricular function when treated with left bundle branch pacing alone. However, patients with more than 10% scar burden required the addition of a left ventricular lead for optimal results. The study also highlighted the potential usefulness of MRI in determining the need for a defibrillator and the overall outcome of the treatment. Further randomized studies are needed to confirm these findings and potentially change clinical practice.

Keywords

Magnetic Resonance Imaging Based Dual Lead Cardiac Resynchronization Therapy

left bundle branch pacing

non-ischemic cardiomyopathy

scar burden

left ventricular lead