Table 2 Vascular dynamic responses during three stages of the tilt table
0° (rest) | 40° | 80° | |
|---|---|---|---|
Tr-AB | |||
HR (beats min−1) | 58 ± 3 | 66 ± 3 ** | 74 ± 3 ** |
SV (mL min−1) | 104 ± 11 | 79 ± 6 * | 71 ± 6 * |
Qc (L min−1) | 6.0 ± 0.6 | 5.2 ± 0.5 | 5.2 ± 0.5 |
SBP (mmHg) | 116 ± 2 | 117 ± 3 | 118 ± 4 |
DBP (mmHg) | 61 ± 2 | 67 ± 3 | 69 ± 3 |
MAP (mmHg) | 80 ± 3 | 83 ± 4 | 85 ± 3 * |
TPR (mmHg L−1 min−1) | 15 ± 3 | 17 ± 3 | 17 ± 2 |
UnTr-AB | |||
HR (beats min−1) | 64 ± 2 | 78 ± 2 ** | 91 ± 4 ** |
SV (mL min−1) | 93 ± 6 | 73 ± 5 ** | 62 ± 4 ** |
Qc (L min−1) | 5.9 ± 0.4 | 5.7 ± 0.4 | 5.6 ± 0.4 |
SBP (mmHg) | 101 ± 10 | 109 ± 7 | 113 ± 5 |
DBP (mmHg) | 58 ± 6 | 67 ± 4 ** | 72 ± 2 ** |
MAP (mmHg) | 76 ± 7 | 85 ± 5 ** | 90 ± 3 ** |
TPR (mmHg L−1 min−1) | 14 ± 1 | 16 ± 2 | 17 ± 2 |
Tr-SCI | |||
HR (beats min−1) | 73 ± 6 | 79 ± 6 ** | 85 ± 6 ** |
SV (mL min−1) | 78 ± 9 | 71 ± 10 | 74 ± 11 |
Qc (L min−1) | 5.5 ± 0.5 | 5.4 ± 0.6 | 6.1 ± 0.6 |
SBP (mmHg) | 115 ± 4 | 118 ± 2 | 124 ± 4 |
DBP (mmHg) | 70 ± 2 | 73 ± 1 | 76 ± 2 |
MAP (mmHg) | 85 ± 3 | 88 ± 1 | 92 ± 2 |
TPR (mmHg L−1 min−1) | 16 ± 2 | 17 ± 2 | 16 ± 2 |