Skip to main content
. 2022 Aug 18;130(2):217–225. doi: 10.1016/j.bja.2022.06.031

Table 3.

Influence of highlighting on risk of adverse events and block failure.

Peripheral nerve block Increase
No change
Reduce
No consensus
Total structures
% Structures % Structures % Structures % Structures
Nerve injury/postoperative neurological symptoms (where nerves highlighted)
Interscalene-level brachial plexus block 5.0 4 10.0 8 73.8 59 11.2 9 80
Upper-trunk block 0.0 0 62.5 50 37.5 30 0.0 0 80
Supraclavicular-level brachial plexus block 2.5 2 2.5 2 93.8 75 1.2 1 80
Axillary-level brachial plexus block 0.0 0 33.8 27 56.2 45 10.0 8 80
Adductor canal block 0.0 0 72.5 58 21.2 17 6.2 5 80
Popliteal-level sciatic nerve block 2.5 2 0.0 0 95.0 76 2.5 2 80
Average/total
1.7
8
30.2
145
62.9
302
5.2
25
480
Local anaesthetic systemic toxicity (where arteries highlighted)
Supraclavicular-level brachial plexus block 2.5 2 2.5 2 92.5 74 2.5 2 80
Axillary-level brachial plexus block 2.5 2 1.2 1 91.2 73 5.0 4 80
Suprainguinal fascia iliaca block 0.0 0 8.8 7 81.2 65 10.0 8 80
Adductor canal block 0.0 0 2.5 2 96.2 77 1.2 1 80
Popliteal-level sciatic nerve block 1.2 1 25.0 20 70.0 56 3.8 3 80
Average/total
1.2
5
8.0
32
86.2
345
4.5
18
400
Pneumothorax (only where pleura highlighted)
Supraclavicular-level brachial plexus block 0.0 0 1.2 1 97.5 78 1.2 1 80
Erector spinae plane block 0.0 0 25.0 20 55.0 44 20.0 16 80
Average/total
0.0
0
13.1
21
76.2
122
10.6
17
160
Peritoneum violation (only where peritoneum highlighted)
Rectus sheath block 1.2 1 13.8 11 82.5 66 2.5 2 80
Average/total
1.25
1
13.75
11
82.50
66
2.5
2
80
Block failure (all blocks)
Interscalene-level brachial plexus block 3.8 3 10.0 8 78.8 63 7.5 6 80
Upper-trunk block 2.5 2 8.8 7 81.2 65 7.5 6 80
Supraclavicular-level brachial plexus block 1.2 1 1.2 1 93.8 75 3.8 3 80
Axillary-level brachial plexus block 0.0 0 8.8 7 70.0 56 21.5 17 80
Erector spinae plane block 3.8 3 15.0 12 68.8 55 12.5 10 80
Rectus sheath block 2.5 2 10.0 8 83.8 67 3.8 3 80
Suprainguinal fascia iliaca block 1.2 1 0.0 0 97.5 78 1.2 1 80
Adductor canal block 0.0 0 30.0 24 62.5 50 7.5 6 80
Popliteal-level sciatic nerve block 1.2 1 0.0 0 95.0 76 3.8 3 80
Average/total 1.8 13 9.3 67 81.2 585 7.6 55 720