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Table 2 Details of the test and therapeutic sonications in pig nos. 1–9 (mean values ± standard deviation)

From: MR-guided high-focused ultrasound for renal sympathetic denervation—a feasibility study in pigs

  Test sonications Therapeutic sonications
Number of sonications Power (W) Energy (J) Duration (s) Spot length (mm) Spot diameter (mm) Number of sonications Power (W) Energy (J) Duration (s) Spot length (mm) Spot diameter (mm)
Pig1 3 26.3 525.3 20 17 4.1 15 100.4 2,291.3 22 17 4.1
Pig 2 5 25.8 514.8 20 17 4.1 10 141.7 3,208 22.8 28.2 6.6
Pig 3 2 39 465 12 24 4.9 8 146.6 1,759.8 12 25.1 4.8
Pig 4 2 33 319 12 24 5.6 12 136.8 2,355.5 17.2 27.8 5.8
Pig 5 2 30 599.5 20 26 6.4 7 165.6 3,309.3 20 28.9 7.2
Pig 6 1 27 542 20 26 6.4 7 141.6 2,827.1 20 26.9 6.6
Pig 7 2 25.5 507.5 20 26 6.4 9 103.3 2,578.8 25 23.8 6.4
Pig 8 2 30.5 614.5 20 27 6.4 9 113.3 2,755 23.9 27.5 6.2
Pig 9 3 23 463.3 20 27 6.4 11 147.2 2,947.3 20 27.1 6.7
Mean 2.4 28.9 505.7 18.2 23.8 5.6 9.8 132.9 2,670.2 20.3 25.8 6.0
SD 1.1 4.9 4.9 3.5 4.0 1.0 2.6 22.2 485.5 3.9 3.7 1.0