Can a Continuous Wound Infiltration System Replace Intravenous Patient-Controlled Analgesia for Postoperative Pain Management after a Single-Port Access Laparoscopy?

The use of higher potency rescue analgesics such as tramadol hydrochloride and pethidine hydrochloride were less frequent in the combined group than the CWI and IV PCA groups, but the difference did not reach statistical significance.

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