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Fig. 2 | BMC Anesthesiology

Fig. 2

From: Effects of quadratus lumborum block on perioperative multimodal analgesia and postoperative outcomes in patients undergoing radical prostatectomy

Fig. 2

Trials flow chart. Eighty patients who underwent open radical prostatectomy were randomly divided into QLB group and NS group, 40 cases in each group. The QLB group underwent bilateral quadratus lumborum block before induction of general anesthesia, and the NS group was injected with equal volume of normal saline. NRS, cumulative dosage of sufentanil and clinical outcomes were evaluated at different time points after operation. Note: QLB group Quadratus lumborum block group, NS group normal saline group, NRS numerical rating scale

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