Articles: nerve-block.
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Clinical therapeutics · May 2020
Randomized Controlled TrialEffect of Ketamine Added to Ropivacaine in Nerve Block for Postoperative Pain Management in Patients Undergoing Anterior Cruciate Ligament Reconstruction: A Randomized Trial.
Nerve blocks are commonly used as a part of multimodal pain relief. It was previously shown that ketamine could enhance the analgesic effect of local anesthetics in nerve blocks. A literature review on adding ketamine to local anesthetics for ameliorating analgesia revealed inconsistencies in analgesic efficiency and safety. This prospective, randomized, double-blind trial was performed to evaluate the antinociceptive effect of mixing ketamine with local anesthetics in a combined femoral and sciatic nerve block (CFSNB) during anterior cruciate ligament (ACL) reconstruction. ⋯ Perineural ketamine added to the ropivacaine-enhanced analgesic efficacy of CFSNB with less rebound pain compared with the IV ketamine and control groups. IV ketamine had no effect in potentiating analgesia when a conventional multimodal approach was used in the study. Chinese Clinical Trial Registry: ChiCTR1900023867.