Oral Perphenazine 8 mg: A Low-Cost, Efficacious Antiemetic Option

Objective To compare pain outcome reports of patients undergoing hip or knee replacement who received single-injection nerve/plexus blocks with plain bupivacaine (BPV) to patients who received injections of buprenorphine-clonidine-dexamethasone (BCD) admixed with BPV. Design Prospective, parallel arms, randomized, double-blind trial. Setting A single Veterans hospital. Subjects 98 Veterans, scheduled for total hip or knee replacement surgery, with spinal as the primary anesthetic. Methods Participants were randomized to BPV-BCD or plain BPV groups. They underwent nerve/plexus blocks in the L2-L4 and L4-S3 distributions in advance of joint replacement surgery. The primary outcome was change in pain from baseline during the post-operative day assessed by the total pain score in the short-form McGill Pain Questionnaire-v2 (SF-MPQ-2). Secondary outcomes were pain during movement, pain interference, range of motion, mobility, and quality of recovery. Results On post-operative day one, the SF-MPQ-2 total score for the BPV-BCD group demonstrated greater pain reduction compared to the plain BPV group (mean difference 1.8 points, 95% CI 0.6 to 3.0, P = 0.003). The BPV-BCD group also had larger reductions in pain during movement in the surgical joint and less pain interference, along with increased range of hip and knee flexion, compared to the plain BPV group. Outcomes of mobility and quality of recovery were not different between groups. Conclusions Preoperative BPV-BCD blocks in the L2-L4 and L4-S3 nerve distributions for hip and knee replacements led to less pain on post-operative day one and increased knee and hip range of motion, compared to plain BPV blocks.

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Jin

Gan

Belani

et al. 2021

Anesthesia &Amp; Analgesia

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Oral Perphenazine 8 mg: A Low-Cost, Efficacious Antiemetic Option

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References 7 publications

Aim for zero: prevention of postoperative nausea and vomiting using an off-patent five-drug multimodal approach

Aim for zero: prevention of postoperative nausea and vomiting using an off-patent five-drug multimodal approach

Day-One Pain Reductions After Hip and Knee Replacement When Buprenorphine-Clonidine-Dexamethasone Is Added to Bupivacaine Nerve/Plexus Blocks: A Randomized Clinical Trial

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