ISSN: 1859 - 2872
Evaluation of analgesic efficiency of ultrasound-guided supraclavicular brachial plexus block for emergency patients with upper extremity injuries
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Summary
Objective: To evaluate analgesic efficiency and adverse effects of ultrasound-guided supraclavicular brachial plexus block for emergency patients with upper extremity injuries. Subject and method: 80 patients of upper extremity injuries in Saint Paul Hospital and Viet Duc Hospital were randomized to 2 groups: Group 1 (n = 40) where patients received ultrasound-guided supraclavicular brachial plexus block with a dose of bupivacaine 2mg/kg combined with NaCl 0.9% into 20ml solution; group 2 in which intramuscular injection of morphine was administered with a dose of 0.2mg/kg. All patients were monitored and evaluated in term of analgesic efficiency, impacts on circulation, respiration and other side effects. All parameters were recorded at the time point P5, P10, P15, P30, P60 (minutes), and H2, H4, H8, H16, H24 after brachial plexus block. Result: Onset time for analgesia of group 1 was shorter than thát of group 2 (8.7 ± 2.9 minutes vs 10.8 ± 3.2 minutes, p<0.05). Duration of analgesia of group 1 was longer than that of group 2 (352.0 ± 98.1 minutes vs 258.0 ± 67.1 minutes, p<0.05). Mean of heart rate, blood pressure, respiratory rate and oxygen saturation (SpO2) of both groups was within normal range, which was not significantly different between 2 groups (p>0.05). In group 1, we did not document any cases that had side effects. Conclusion: Ultrasound-guided supraclavicular brachial plexus block is a safe and an effective analgesic approach for emergency patients with upper extremity injuries.
Keywords: Analgesia, brachial plexus block, supraclavicular, ultrasound-guided, upper extremity injuries.
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