Table 1 The effective rate of the block in all regions in patients at different time points after the horizontal erector spinal muscle block of the T12 transverse process (%, n = 28)
From: Distribution of the T12 erector spinal muscle plane block in the dorsal region guided by ultrasound
Block region | After the block | ||||||
|---|---|---|---|---|---|---|---|
10 min | 20 min | 30 min | 40 min | 50 min | 60 min | ||
1 | T7~T8 | 0 | 0 | 3 | 3 | 3 | 3 |
2 | T8~T9 | 0 | 25 | 48.2 | 50 | 50 | 50 |
3 | T9~T10 | 0 | 57.1 | 91 | 92.8 | 92.8 | 92.8 |
4 | T10~T11 | 11.1 | 60.7 | 96.4 | 96.4 | 96.4 | 96.4 |
5 | T11~T12 | 44.6 | 69.6 | 92.8 | 92.8 | 92.8 | 92.8 |
6 | T12~L1 | 42.8 | 76.7 | 87.5 | 89.2 | 89.2 | 89.2 |
7 | L1~L2 | 42.8 | 75 | 87.5 | 87.5 | 87.5 | 87.5 |
8 | L2~L3 | 0 | 78.5 | 87.5 | 91 | 91 | 91 |
9 | L3~L4 | 0 | 51.7 | 83.9 | 85.7 | 85.7 | 85.7 |
10 | L4~L5 | 0 | 10.7 | 73.2 | 82.1 | 82.1 | 82.1 |
11 | L5~S1 | 0 | 0 | 12.5 | 14.2 | 14.2 | 14.2 |