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Table 1 Summary of the in vivo experiments

From: Ablation of the sacroiliac joint using MR-guided high intensity focused ultrasound: a preliminary experiment in a swine model

 

S1 Right

S1 Left

S2 Right

S2 Left

S3 Right

S3 Left

Number of sonications

8

37

4

8

5

12

Acoustic energy (J)

1163 ± 154

747 ± 90

835 ± 42

654 ± 0

689 ± 0

574 ± 0

Cooling time (s)

130 ± 47

133 ± 33

405 ± 177

474 ± 137

393 ± 160

424 ± 241

Focal height (mm)

151 ± 6

116 ± 8

-

-

123 ± 5

114 ± 5

Maximum Temperature (C)

71 ± 5

63 ± 5

75 ± 7

86 ± 6

85 ± 14

77 ± 10

MR thermometry imaging plane

Axial(8)

Axial(16) Sag (19) Cor(2)

Axial(3) Sag (1)

Sag (8)

Axial(3) Sag (2)

Sag (12)