Table 1.
Subject | Number of sites with significant (p < 0.025) ARI oscillation (total sites available for study) | Maximum peak to peak amplitude of ARI oscillation/ms (location of electrode) | Peak to peak amplitude of BP oscillation/mm Hg | Mean BP/mm Hg | ||
---|---|---|---|---|---|---|
Systolic | Diastolic | Systolic | Diastolic | |||
1 | 12 (18) | 14 (RV 2) | 21 | 10 | 140 | 85 |
2 | 20 (20) | 8 (RV 1 and LV 6) | 7 | 2 | 159 | 89 |
3 | 11 (16) | 7 (LV 8) | 8 | 4 | 180 | 119 |
4 | 14 (15) | 20 (RV 5) | 16 | 6 | 135 | 80 |
5 | 11 (14) | 16 (RV 10) | 15 | 7 | 121 | 82 |
6 | 13 (18) | 18 (RV 6) | 24 | 8 | 117 | 67 |
7 | 16 (16) | 20 (LV 5) | 22 | 11 | 129 | 90 |
8 | 11 (20) | 7 (RV 6) | 10 | 5 | 144 | 103 |
9 | 7 (12) | 11 (LV 10) | 20 | 17 | 148 | 100 |
10 | 8 (11) | 6 (LV 2) | 11 | 6 | 103 | 67 |
11 | 9 (14) | 25 (LV 9) | 18 | 7 | 166 | 92 |
12 | 6 (9) | 19 (RV 2) | 16 | 15 | 128 | 88 |
13 | 7 (11) | 24 (RV 8) | 10 | 8 | 125 | 74 |
14 | 12 (17) | 26 (RV 1) | 10 | 8 | 112 | 76 |
15 | 6 (19) | 12 (RV 10) | 12 | 6 | 114 | 70 |
16 | 10 (15) | 7 (RV 1) | 9 | 4 | 149 | 82 |
p < 0.001 |
Location of electrode site given as Left or Right Ventricle (LV, RV) with catheter electrodes numbered 1–10, apex to base. Student's paired one-sided t-test was used to determine significance of difference in systolic vs. diastolic BP oscillations.