Observational Study
Copyright ©The Author(s) 2025.
World J Methodol. Dec 20, 2025; 15(4): 105386
Published online Dec 20, 2025. doi: 10.5662/wjm.v15.i4.105386
Figure 1
Figure 1 Sono-anatomy of erector spinae block. TM: Trapezius muscle; RM: Rhomboid major; ES: Erector spinae muscle; D: Drug (local anaesthetic) deposited deep to erector spinae muscle; TP: Transverse Process.
Figure 2
Figure 2 Strengthening the Reporting of Observational Studies in Epidemiology flow of participants. ESB: Erector spinae block; TEA: Thoracic epidural analgesia.
Figure 3
Figure 3 Proportion of patients requiring rescue opioid at various time-points post-extubation. ESB: Erector spinae block; TEA: Thoracic epidural analgesia.