Table 1. Hemodynamic Responses at Exercise Onset.
| Baseline | 10s | 20s | 30s | ANOVA | |
|---|---|---|---|---|---|
| MAP (mmHg) | Time P<0.01 | ||||
| -FH | 84 ± 13 | 87 ± 13* | 87 ± 13* | 88 ± 14* | Interaction P<0.01 |
| +FH | 80 ± 11 | 87 ± 11* | 89 ± 12* | 91 ± 12* | |
|
| |||||
| SBP (mmHg) | Time P<0.01 | ||||
| -FH | 127 ± 19 | 130 ± 19* | 130 ± 19* | 130 ± 20* | Interaction P<0.01 |
| +FH | 122 ± 17 | 129 ± 16* | 130 ± 18* | 133 ± 17* | |
|
| |||||
| DBP (mmHg) | Time P<0.01 | ||||
| -FH | 64 ± 11 | 65 ± 11 | 66 ± 12 | 67 ± 12* | Interaction P<0.01 |
| +FH | 61 ± 13 | 66 ± 11* | 68 ± 12* | 70 ± 13* | |
|
| |||||
| HR (bpm) | Time P<0.01 | ||||
| -FH | 66 ± 6 | 70 ± 7* | 72 ± 7* | 70 ± 8* | Interaction P<0.01 |
| +FH | 61 ± 9 | 69 ± 10* | 71 ± 10* | 74 ± 11* | |
|
| |||||
| CO (L/min) | |||||
| -FH | 4.8 ± 0.9 | 5.2 ± 1.0 | 5.2 ± 1.0 | 5.2 ± 1.0 | Time P<0.01 |
| +FH | 5.0 ± 1.3 | 5.5 ± 1.7 | 5.5 ± 1.7 | 5.5 ± 1.7 | Interaction P=0.90 |
|
| |||||
| TPR (cgs) | |||||
| -FH | 1671 ± 351 | 1603 ± 311 | 1623 ± 311 | 1642 ± 304 | Time P=0.04 |
| +FH | 1751 ± 606 | 1651 ± 522 | 1654 ± 494 | 1682 ± 501 | Interaction P=0.86 |
MAP, mean arterial pressure; SBP, systolic blood pressure; DBP, diastolic blood pressure; HR, heart rate; CO, cardiac output; TPR, total peripheral resistance; -FH, without family history of hypertension; +FH, positive family history of hypertension.
*
P<0.05 vs. baseline. Data presented as mean±SD.