Why the study?
Does effective atrial contraction improve left ventricular performance in patients with valvular aortic stenosis?
Does effective atrial contraction improve left ventricular performance in patients with valvular aortic stenosis?
In patients with valvular aortic stenosis, effective atrial contraction significantly augments left ventricular stroke volume and stroke work, though its effect on integrated cardiac performance varies.
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May support preserving atrial contraction in aortic stenosis; hypothesis-generating for rhythm strategies.
Kroetz et al. (1967) studied this question.
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