Fig. 2From: Single shot adductor canal block combined with intravenous patient-controlled analgesia can be effective as continuous adductor canal block in reducing opioid consumption and breakthrough pain after total knee arthroplastyRescue opioid consumption from POD1 to POD5. The number of rescue opioid usage was lower in C-ACB and PCA + sACB groups than in the IV-PCA group, especially on POD1 (p < 0.001). There was no difference in rescue opioid consumption between C-ACB and PCA + sACB groupsBack to article page