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Table 3 Summary of study parameters. Time to Evaluation (TTE) was either 9 days (9d) or 6 months (6 m)

From: Effect of applied energy in renal sympathetic denervation with magnetic resonance guided focused ultrasound in a porcine model

Animal ID TTE Acoustic Power (W) Mean propagation path length, z (cm) Derated Intensity, I D (kW/cm2) Medulla norepinephrine (ng/mL/g) Spinous process enhancement (mm)
Left Right Ratio (R/L)
11 9d 80 8.9 0.40 2322 1322 0.57 0
2 9d 80 8.6 0.41 1131 1480 1.31 0
9 6 m 80 7.5 0.62 1655 2440 1.47 0
12 9d 80 7.3 0.65 2402 1187 0.49 20
20 9d 80 7.2 0.67 1658 3239 1.95 0
18 9d 80 7.1 0.70 2248 1334 0.59 0
5 6 m 80 7.1 0.74 591 1241 2.10 0
17 9d 80 6.5 0.81 810 771 0.95 21
8 9d 200 9.5 0.90 992 1139 1.15 19
7 6 m 140 7.8 1.00 3048 2907 0.95 0
14 9d 140 7.7 1.04 484 789 1.63 18
1 9d 140 7.5 1.10 899 2572 2.86 9
21 9d 140 7.5 1.11 855 892 1.04 20
3 9d 200 8.0 1.19 992 2246 2.26 7
19 9d 140 7.0 1.31 4478 1350 0.30 28
4 6 m 140 6.9 1.33 229 29 0.12 19
15 9d 200 8.0 1.38 861 953 1.11 38
13 9d 200 7.7 1.49 1880 1216 0.65 20
6 6 m 200 7.3 1.49 646 295 0.46 0
16 9d 140 6.4 1.54 539 385 0.71 17
23 9d 140 6.3 1.54 1027 197 0.19 11
24 9d 200 7.6 1.59 1339 837 0.63 22
10 6 m 200 7.3 1.70 1065 1457 1.37 0
22 9d 200 7.2 1.78 653 311 0.48 27
  1. Spinous process enhancement measures the maximum length of any hyper intensity present around the right spinous process after the post-contrast 3D T1w VIBE images. The solid line separator indicates the animal treated with a low or high derated acoustic intensity (1.2 kW/cm2 threshold)