Control | ANP 5 min | ANP 10 min | ANP 15 min | |
---|---|---|---|---|
Heart rate (beats/min) | 107 ± 10.9 | 110 ± 12.9 | 101 ± 11.8 | 101 ± 10.5 |
Minimum LV pressure (mm Hg) | 0.8 ± 1.7 | −0.3 ± 1.4 | −0.3 ± 1.5 | −0.2 ± 1.7 |
LV end-diastolic pressure (mm Hg) | 9.0 ± 2.7 | 7.2 ± 3.3 | 6.4 ± 2.6 | 6.2 ± 2.8 |
LV end-systolic pressure (mm Hg) | 101.2 ± 11.8 | 93.5 ± 11.01-150 | 91.7 ± 11.21-150 | 89.3 ± 8.71-150 |
LV end-diastolic volume (ml) | 40.5 ± 6.7 | 40.1 ± 7.0 | 39.6 ± 6.71-150 | 38.9 ± 6.71-150 |
LV end-systolic volume (ml) | 26.3 ± 6.0 | 25.9 ± 5.9 | 25.7 ± 5.7 | 25.6 ± 5.7 |
SV (ml) | 14.2 ± 3.2 | 14.1 ± 3.6 | 13.4 ± 2.91-150 | 13.6 ± 3.61-150 |
Ejection fraction (%) | 35.1 ± 8.7 | 35.2 ± 8.9 | 33.8 ± 7.6 | 35.0 ± 9.7 |
Mean LA pressure (mm Hg) | 6.6 ± 1.7 | 5.1 ± 1.41-150 | 4.4 ± 1.61-150 | 4.2 ± 1.71-150 |
Maximum dP/dt (mm Hg/s) | 2686 ± 503 | 2585 ± 5081-150 | 2583 ± 4861-150 | 2508 ± 4151-150 |
Minimum dP/dt (mm Hg/s) | −2045 ± 353 | −1920 ± 3361-150 | −1867 ± 3511-150 | −1811 ± 2701-150 |
Time constant of relaxation (ms) | 31.2 ± 4.7 | 30.2 ± 3.3 | 30.7 ± 4.1 | 30.5 ± 4.3 |
Ea (mm Hg/ml) | 7.8 ± 1.4 | 7.4 ± 1.6 | 7.2 ± 1.31-150 | 7.3 ± 1.61-150 |
Maximal early filling (ml/s) | 129 ± 33 | 131 ± 36 | 125 ± 331-150 | 119 ± 311-150 |
Ea, effective arterial elastance.
↵1-150 P < .05 versus control.