Table 2.
Cranial injectate spread related to the vertebral column.
| S-FICB-H (9 blocks) | S-FICB (8 blocks) | FNB (8 blocks) | I-FICB (9 blocks) | |
|---|---|---|---|---|
| L2, n (%) | 1 (11.1) | – | – | – |
| … | ||||
| L4, n (%) | 2 (22.2) | 3 (37.5) | – | – |
| IVD L4-L5, n (%) | 1 (11.1) | – | – | – |
| L5, n (%) | 4 (44.5) | 1 (12.5) | – | – |
| IVD L5-S1, n (%) | 1 (11.1) | – | 1 (12.5) | 1 (11.1) |
| S1, n (%) | – | 2 (25.0) | 1 (12.5) | 1 (11.1) |
| IVD S1-S2, n (%) | – | 2 (25.0) | – | – |
| S2, n (%) | – | – | 3 (37.5) | – |
| … | ||||
| Coccyges, n (%) | – | – | 2 (25.0) | – |
| … | ||||
| Below the VC, n (%) | – | – | 1 (12.5) | 7 (77.8) |
L lumbar vertebra, S sacral vertebra, IVD intervertebral disc, VC vertebral column, S-FICB(-H) suprainguinal fascia iliaca compartment block with or without hydrodissection, FNB femoral nerve block, I-FICB infrainguinal fascia iliaca compartment block.