Abstract
Ultrasound-guided transversus abdominis plane (TAP) block can be performed using a subcostal technique. This technique was simulated using dye injection in cadavers in order to determine segmental nerve involvement and spread of injectate using either single or multiple-injection techniques. Dye most commonly spread to affect T9 and T10 nerves with the single injection technique and T9, T10 and T11 with multiple injections. The median (IQR [range]) spread of dye was 60 (36-63 [32-78]) cm2 using the single-injection technique and 90 (85-96 [72-136]) cm2, in the multiple-injection technique, and this difference was statistically significant (p = 0.003). These results indicate that ultrasound-guided subcostal TAP block will involve nerve roots T9, T10 and T11 and that a multiple-injection technique may block more segmental nerves and increase spread of injectate.
Original language | English (US) |
---|---|
Pages (from-to) | 745-750 |
Number of pages | 6 |
Journal | Anaesthesia |
Volume | 64 |
Issue number | 7 |
DOIs | |
State | Published - Jul 2009 |
Externally published | Yes |
ASJC Scopus subject areas
- Anesthesiology and Pain Medicine