LVEF change after HBP trended higher among MR responders vs nonresponders, but this did not reach statistical significance (+6% [+5 to +24%] vs -1% [-8% to +10%], P = .21) ( Supplemental Table ).
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Impact of physiological pacing on functional mitral regurgitation in systolic dysfunction: Initial echocardiographic remodeling findings after His bundle pacing.
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