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Table 1 Effects of diesel exposure on heart rate, blood pressure and markers of arterial stiffness

From: Experimental exposure to diesel exhaust increases arterial stiffness in man

  Air
(n = 12)
Diesel exhaust
(n = 12)
Significance
Time, mins +10 +20 +30 +10 +20 +30 -
Heart rate, bpm 57 ± 2 55 ± 2 55 ± 2 57 ± 2 55 ± 2 54 ± 2 P = 0.66
Systolic BP, mmHg 118 ± 2 114 ± 2 115 ± 3 114 ± 2 114 ± 2 115 ± 3 P = 0.26
Diastolic BP, mmHg 67 ± 2 65 ± 2 66 ± 2 65 ± 2 68 ± 2 67 ± 3 P = 0.48
MAP, mmHg 80 ± 2 78 ± 2 79 ± 2 79 ± 2 81 ± 3 81 ± 3 P = 0.57
Augmentation pressure, mmHg -2.3 ± 0.7 -2.2 ± 0.8 -2.5 ± 0.7 0.2 ± 0.9 -1.3 ± 0.9 -1.8 ± 0.8 P = 0.01
Augmentation index, % -7.0 ± 2.3 -7.4 ± 2.6 -7.9 ± 2.2 0.8 ± 3.2 -3.8 ± 3.5 -5.8 ± 2.7 P = 0.02
Time to wave reflection, ms 187 ± 8 189 ± 11 180 ± 7 171 ± 11 163 ± 9 180 ± 8 P = 0.03
  1. Values are Mean ± SEM;
  2. diesel exhaust versus filtered air (repeated measures ANOVA)
  3. BP = blood pressure; MAP = mean arterial pressure