ArticleCureus2025
Comparison of the Effects of Dexamethasone and Magnesium Sulfate Used as Adjuvants on Infraclavicular Brachial Plexus Nerve Block: A Prospective, Double-Blinded Randomized Controlled Trial.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Magnesium in brachial plexus blocks: A meta-analysis, meta regression, and trial sequential analysis.Indian journal of anaesthesia · 2025Article
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Authors and funding
2 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Background This prospective clinical study aims to compare the effectiveness of lower-dose dexamethasone and magnesium sulfate as adjuvants to bupivacaine in ultrasound-guided infraclavicular brachial plexus block for distal upper limb surgery. Materials and methods Ninety patients, aged 18 to 65 years, with American Society of Anesthesiologists (ASA) physical status scores of I or II who underwent distal upper limb surgeries, including the arm, elbow, forearm, and hand surgery under infraclavicular brachial plexus block, were included in the study. The block was performed under ultrasound guidance. Patients were allocated to three groups: Group B received 20 mL of 0.5% bupivacaine combined with 5 mL of 0.9% NaCl; Group B+D received 20 mL of 0.5% bupivacaine combined with 4 mg of dexamethasone and 4 mL of 0.9% NaCl; and Group B+M received 20 mL of 0.5% bupivacaine combined with 150 mg of magnesium sulfate and 4 mL of 0.9% NaCl. Outcomes assessed included sensory and motor block onset times, durations of sensory and motor blocks, duration of analgesia, perioperative hemodynamic parameters, and opioid and non-steroidal anti-inflammatory drug (NSAID) consumption. Results Data from 90 patients were analyzed. Demographic characteristics and ASA scores were comparable across groups (p > 0.05). Group B+D demonstrated significantly longer durations of motor block, sensory block, and analgesia compared to Group B and Group B+M (p = 0.001). Moreover, Group B+D showed significantly shorter motor (p = 0.001) and sensory (p = 0.003) block onset times and reduced postoperative opioid and NSAID analgesic consumption, as well as lower VAS scores at 12 and 24 hours postoperatively (p = 0.001). Conclusion When added as an adjuvant to bupivacaine, dexamethasone resulted in longer durations of motor and sensory block, shorter onset times for both motor and sensory block, and better postoperative analgesia compared to magnesium sulfate. It also reduced opioid and NSAID consumption during the first 24 hours.
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