Biventricular pacing for severe mitral regurgitation following atrioventricular nodal ablation

Patrick J S Disney, Dale T Ashby, Glenn D Young, Julie A Bradley
Pacing and Clinical Electrophysiology: PACE 2003, 26 (2): 643-4
A 69-year-old woman developed acute pulmonary edema and severe mitral regurgitation (MR) 2 days following an uncomplicated AV nodal (AVN) ablation and insertion of VVI pacemaker for chronic atrial fibrillation. There was no history of significant mitral valve disease. Left ventricular function was normal and there was no evidence of an acute cardiac ischemic event. Transthoracic echo and right heart catheterization studies showed reduction in the severity of MR with biventricular pacing as opposed to RV pacing alone. A permanent pacemaker configured for biventricular pacing was implanted with complete resolution of symptoms and significant reduction in degree of MR.

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