Why the study?
Does biventricular or left ventricular pacing improve cardiac haemodynamics compared to right ventricular pacing in patients immediately after aortic valve replacement?
Does biventricular or left ventricular pacing improve cardiac haemodynamics compared to right ventricular pacing in patients immediately after aortic valve replacement?
Biventricular pacing increases the force of left ventricular contraction at the onset of systole compared to right ventricular pacing alone, demonstrating the haemodynamic benefit of more synchronous contraction.
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May suggest acute hemodynamic benefit from biventricular pacing post-aortic valve replacement; leaves open effects on clinical outcomes.
Gibson et al. (1971) studied this question.
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