Table 2. Pressure-related correlations of area expansion at each level of the aortic root during IVC and ejection.
| Variable | IVC | Ejection | |||
|---|---|---|---|---|---|
| LV pressure | Ao pressure | LV pressure | Ao pressure | ||
| AA | −0.49 (−0.92–0.51) | 0.72 (0.33–0.96) | 0.68 (0.53–0.94) | 0.94 (−0.88–0.99)* | |
| STJ | 0.14 (−0.93–0.94) | 0.14 (−0.63–0.72) | 0.93 (0.83–0.97)* | 0.86 (0.65–0.98)* | |
| C | 0.95 (0.86–0.99)* | −0.38 (−0.91–0.53) | 0.95 (0.84–0.99)* | 0.80 (0.63–0.93) | |
| B | 0.95 (0.88–0.98)* | −0.44 (−0.96–0.53) | 0.91 (0.79–0.98)* | 0.52 (0.3– 0.78) | |
*, significant correlation. IVC, isovolumic contraction; LV, left ventricular; Ao, aortic; AA, ascending aorta; STJ, sinotubular junction; C, commissures; B, annular base.