PENG and LFCN Block Versus FIC Block for Multimodal Analgesia After Total Hip Replacement Surgery: a Retrospective Analysis Focused on Movement (Retro-PvF)

The PENG block was performed under ultrasound guidance. After skin disinfection, the needle was advanced between the psoas tendon and pubic ramus where 20 mL of 0.5% ropivacaine were injected. The LFCN block was performed following the PENG block.10 ml of 0.5% ropivacaine were injected near the nerve into the fat-filled flat tunnel (FFFT) located at the level of the superior anterior iliac spine and lateral to the sartorius muscle.

FICB was performed under ultrasound guidance. The needle was advanced above the fascia iliaca and 20 mL of 0.5% ropivacaine were injected