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Figure 3 | Particle and Fibre Toxicology

Figure 3

From: Effect of wood smoke exposure on vascular function and thrombus formation in healthy fire fighters

Figure 3

Effect of wood smoke and filtered air on forearm blood flow. There was a dose-dependent increase in forearm blood flow with each vasodilator (2-way ANOVA with repeated measures, P < 0.01 for all), however there were no differences in blood flow response to acetylcholine (P = 0.91), sodium nitroprusside (P = 0.52) or verapamil (P = 0.63) between exposures. In contrast, there was an increase in the forearm blood flow to bradykinin following exposure to wood smoke compared to filtered air (P = 0.003). All data expressed as mean ± SEM. There are no differences in blood flow in the non-infused arms and therefore these data points are overlaid.

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