From: Effect of wood smoke exposure on vascular function and thrombus formation in healthy fire fighters
 | Baseline | Post-exposure | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 mins | 10 mins | 20 mins | 30 mins | 40 mins | 50 mins | 1Â hr | 2Â hrs | 6Â hrs | 24Â hr mean | P-value1 | |||
Systolic pressure, mmHg | Filtered air | 135 ± 2 | 134 ± 2 | 133 ± 2 | 130 ± 3 | 131 ± 2 | 131 ± 2 | 130 ± 3 | 133 ± 2 | 132 ± 2 | 130 ± 2 | 124 ± 2 | 0.59 |
Wood smoke | 132 ± 2 | 135 ± 3 | 131 ± 3 | 130 ± 3 | 131 ± 3 | 130 ± 3 | 130 ± 3 | 135 ± 4 | 134 ± 5 | 131 ± 3 | 127 ± 2 | ||
Diastolic pressure, mmHg | Filtered air | 75 ± 2 | 74 ± 3 | 75 ± 2 | 75 ± 2 | 73 ± 4 | 76 ± 2 | 76 ± 2 | 76 ± 2 | 76 ± 2 | 76 ± 27 | 68 ± 2 | 0.89 |
Wood smoke | 75 ± 2 | 74 ± 2 | 74 ± 2 | 73 ± 2 | 74 ± 2 | 74 ± 2 | 76 ± 2 | 77 ± 2 | 77 ± 2 | 75 ± 2 | 70 ± 2 | ||
Heart rate, bpm | Filtered air | 63 ± 2 | 63 ± 3 | 63 ± 3 | 61 ± 3 | 60 ± 2 | 59 ± 2 | 59 ± 2 | 58 ± 2 | 58 ± 2 | 59 ± 2 | 56 ± 2 | 0.12 |
Wood smoke | 61 ± 3 | 63 ± 3 | 63 ± 3 | 62 ± 3 | 62 ± 3 | 61 ± 3 | 61 ± 3 | 60 ± 3 | 60 ± 3 | 58 ± 3 | 55 ± 2 | ||
∆ Augmentation pressure, mmHg | Filtered air | - | 0.2 ± 0.5 | −0.4 ± 0.7 | −0.7 ± 0.6 | −0.1 ± 0.7 | −0.2 ± 0.7 | 0.1 ± 0.7 | 0.7 ± 0.7 | - | - | - | 0.90 |
Wood smoke | - | 1.0 ± 0.8 | −0.2 ± 0.3 | −0.5 ± 0.3 | −0.7 ± 0.4 | −0.3 ± 0.5 | 0.6 ± 0.5 | 0.2 ± 0.5 | - | - | - | ||
∆ Augmentation index @75 bpm, % | Filtered air | - | 0.01 ± 4.6 | −1.7 ± 6.7 | −3.9 ± 6.1 | −2.8 ± 7.6 | −3.0 ± 7.5 | −2.2 ± 7.0 | −1.2 ± 7.2 | - | - | - | 0.72 |
Wood smoke | - | 2.3 ± 7.6 | −1.1 ± 4.0 | - 2.0 ± 5.1 | −3.2 ± 5.0 | −3.0 ± 6.4 | −1.3 ± 6.7 | −1.6 ± 6.0 | - | - | - | ||
∆ Pulse wave velocity, m/s | Filtered air | - | 0.1 ± 0.1 | 0.0 ± 0.1 | 0.1 ± 0.1 | 0.0 ± 0.1 | −0.1 ± 0.1 | 0.0 ± 0.1 | 0.4 ± 0.5 | - | - | - | 0.98 |
Wood smoke | - | 0.0 ± 0.1 | −0.1 ± 0.1 | 0.0 ± 0.1 | −0.1 ± 0.1 | 0.0 ± 0.1 | −0.1 ± 0.1 | 0.1 ± 0.1 | - | - | - |