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Treatment of Pacemaker Induced Severe Mitral Regurgitation with Biventricular Pacing in Two Patients with a Normal Left Ventricular Ejection Fraction
Author(s) -
IRWIN JAMES M.,
GLOVER MATTHEW U.,
BAROLD S. SERGE
Publication year - 2003
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.2003.00372.x
Subject(s) - medicine , cardiology , ejection fraction , mitral regurgitation , heart failure , cardiac resynchronization therapy , regurgitation (circulation)
This report describes two patients who developed severe mitral regurgitation and drug refractory congestive heart failure after implantation of a conventional pacemaker. Both patients had a normal left ventricular ejection fraction. Dramatic long‐term improvement occurred following the institution of biventricular pacing that resulted in mild mitral regurgitation. The findings illustrate the benefit of cardiac resynchronization therapy in pacemaker induced left ventricular dyssynchrony causing severe mitral regurgitation and severe congestive heart failure in selected patients with a normal left ventricular ejection fraction. (PACE 2003; 26:2333–2335)