Pacing-Induced Cardiomyopathy in Patients with Heart Block b
Pacing-induced cardiomyopathy (PICM) will develop in 1 in 8 patients who receive a permanent pacemaker for complete heart block with normal ejection fraction. And an increased right ventricular pacing burden is the factor that best predicts PICM.

So conclude electrophysiologist Daniel J. Cantillon, MD, and a team Cleveland Clinic colleagues in a retrospective cohort study published in the December 2016 issue of Heart Rhythm.

The study also showed there’s an excellent opportunity to reverse these patients’ cardiomyopathy by upgrading to cardiac resynchronization therapy (CRT). “Upgrade to CRT is highly effective clinically, but it is underutilized,” notes Dr. Cantillon....

https://consultqd.clevelandclinic.org/2016/12/pacing-induced-cardiomyopathy-patients-heart-block-normal-ef-know/?
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