Table 2.
Summary of identified parameters L ao, A ao,0 for all pigs and ranges of physiological parameters, mean aortic pressure (MAP), PWV, systolic period, and measured SV for volume expansion and dobutamine period
| Pig 1 | Pig 2 | Pig 3 | Pig 4 | |
|---|---|---|---|---|
| Weight (kg) | ||||
| 24.5 | 20 | 23.5 | 23.3 | |
| Identified aortic dimension | ||||
| L-ao (m) | 0.88 | 0.41 | 0.89 | 0.91 |
| Aao,0 (mm2) | 201 | 269 | 473 | 163 |
| Volume expansion | ||||
| MAP (mmHg) | 152 [136 to 182] | 114 [93 to 136] | 111 [93 to 132] | 55 [42 to 77] |
| PWV (m/s) | 5.5 [5.3 to 6.0] | 6.7 [6.4 to 6.9] | 8.5 [8.2 to 8.9] | 3.9 [3.7 to 4.1] |
| Heart rate (beats/min) | 64 [62 to 67] | 86 [78 to 94] | 81 [73 to 88] | 71 [69 to 74] |
| Systolic period (s) | 0.38 [0.33 to 0.46] | 0.32 [0.25 to 0.39] | 0.31 [0.26 to 0.38] | 0.33 [0.31 to 0.36] |
| SVmeasured (ml) | 34 [28 to 40] | 19 [16 to 23] | 30 [26 to 39] | 29 [25 to 34] |
| Dobutamine/+ volume expansion | ||||
| Pressure (mmHg) | 150 [123 to 184] | 90 [54 to 124] | 100 [79 to 123] | 61 [43 to 95] |
| PWV (m/s) | 6.0 [5.6 to 6.7] | 6.3 [5.4 to 6.8] | 8.2 [7.6 to 8.8] | 4.6 [4.3 to 5.2] |
| Heart rate (beats/min) | 104 [90 to 108] | 141 [136 to 142] | 109 [98 to 120] | 107 [93 to 115] |
| Systolic period (s) | 0.23 [0.22 to 0.31] | 0.19 [0.18 to 0.22] | 0.23 [0.19 to 0.3] | 0.23 [0.21 to 0.31] |
| SVmeansreud (ml) | 28 [23 to 36] | 24 [17 to 27] | 25 [21 to 28] | 27 [22 to 31] |
| Total no of heart beats analysed | ||||
| 2956 | 4945 | 3057 | 2451 | |
Data are presented as the mean [5th–95th percentiles]