Table 2.
Left and right heart measurements at rest and during GTN infusion.
| Baseline | During GTN | Value of p | |
|---|---|---|---|
| Left ventricular end-diastolic volume (ml) | 161 ± 51 | 141 ± 52 | <0.001 |
| Left ventricular end-systolic volume (ml) | 64 ± 22 | 48 ± 18 | <0.001 |
| Left ventricular stroke volume (ml) | 97 ± 30 | 93 ± 35 | 0.14 |
| Left ventricular ejection fraction (%) | 61 ± 3 | 66 ± 4 | <0.001 |
| Cardiac output (L/min) | 6.24 ± 1.46 | 6.49 ± 1.43 | 0.37 |
| Cardiac index (L/min m2) | 3.35 ± 0.5 | 3.47 ± 0.3 | 0.4 |
| Right atrial area (cm2) | 23.3 ± 7.8 | 20.9 ± 6.7 | 0.04 |
| Right ventricular end diastolic volume | 161 ± 54 | 148 ± 64 | 0.01 |
| Right ventricular end systolic volume | 70 ± 26 | 61 ± 29 | 0.03 |
| Right ventricular ejection fraction | 59 ± 3 | 60 ± 3 | 0.46 |
Significant differences on paired t-test are highlighted.