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Figure 3 (A) Relationship between the log brain natriuretic peptide (BNP) secretion and hemodynamic parameters. (B) Relationship between log BNP in the aortic root (AO) and hemodynamic parameters. Open circles = group 1 patients; cross marks = group 2 patients; solid lines = patients in group 1; dotted lines = patients in group 2. There were significant correlations between left ventricular end-diastolic pressure (LVEDP), left ventricular ejection fraction (LVEF), and the transcardiac increase in BNP in both groups with the same regression line (A). The regression line between the LVEDP, LVEF, and log BNP in the AO of group 2 showed a significant shift upward compared with that of group 1 (B). CS = coronary sinus.
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