PENG Block Plus Lateral Femoral Cutaneous Nerve Block for Posterolateral-approached Total Hip Arthroplasty

At the end of surgery, in Post Anesthesia Recovery Room (PACU), PENG block with 20 mL of 0.5 % Ropivacaine will be executed as described by Giron-Arango et al. using a low frequency curvilinear probe. A 22G 80 mm needle (Stimuplex Ultra 360, B.Braun) will be used.

At the end of surgery, in Post Anesthesia Recovery Room (PACU), ultrasound guided Lateral Femoral Cutaneous Nerve Block will be performed with 10 mL of 0.5 % Ropivacaine using a high frequency linear probe. A 22G 50 mm needle (Stimuplex Ultra 360, B.Braun) will be used.

At the end of operation, the surgeon will perform wound infiltration with 20 mL of 0.5 % Ropivacaine.