Why the study?
Does left atrial conduit function correlate with left ventricular filling dynamics in patients with myocardial infarction?
Does left atrial conduit function correlate with left ventricular filling dynamics in patients with myocardial infarction?
Left atrial conduit function plays an important role in determining left ventricular filling dynamics in patients with myocardial infarction.
Conduit volume change may relate to LV filling post-MI; leaves open causal role and therapeutic relevance pending prospective studies.
This study observed the left function in determining filling dynamics of the left ventricle in patients with myocardial infarction. The study consisted of eight control subjects and ten patients with myocardial infarction. The left ventricular filling volume is considered to be composed of the left atrial passive emptying, active emptying, and conduit volumes. The change of left ventricular filling volume was correlated with that of conduit volume (r = .87, P less than .01). However, the change of left ventricular filling volume did not have any correlation to those of left atrial passive emptying and active emptying volumes. These results suggested that the left atrial conduit function was important in determining filling dynamics of the left ventricle.
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Toma et al. (1989) studied this question.
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