Δευτέρα 28 Μαΐου 2018

Nalbuphine as an adjuvant to 0.25% levobupivacaine in ultrasound-guided supraclavicular block provided prolonged sensory block and similar motor block durations (RCT)

Abstract

Purpose

Prolonged postoperative analgesia with early motor recovery for early rehabilitation is a challenge in regional block. The purpose of this study is to evaluate the effect of adding 20 mg nalbuphine to 25 ml of 0.25% levobupivacaine in supraclavicular brachial plexus block.

Methods

One hundred thirty-five (135) patients scheduled for hand and forearm surgeries with supraclavicular block were randomly allocated into three equal groups. Group L received 25 ml of 0.5% levobupivacaine + 1 ml normal saline; group H received 25 ml of 0.25% levobupivacaine + 1 ml normal saline; and group N received 25 ml of 0.25% levobupivacaine + 1 ml (20 mg) nalbuphine. Onset time and duration of sensory and motor block, and time to first analgesic dose were recorded.

Results

Sensory block onset was comparable between the three groups. Motor block onset in group L and group N was comparable (13.16 ± 3.07 and 13.84 ± 3.05 min, respectively) and was shorter than that in group H (15.71 ± 2 0.91 min). Sensory block duration in group L and group N was comparable (522.22 ± 69.57 and 533.78 ± 66.03 min, respectively) and was longer than that in group H (342.67 ± 92.80 min). Motor block duration in group N and group H was comparable (272.00 ± 59.45 and 249.78 ± 66.01 min, respectively) and was shorter than that in group L (334.67 ± 57.90 min). Time to first analgesic dose was significantly longer in group N (649.78 ± 114.76 min) than that of group L and group H (575.56 ± 96.85 and 375.56 ± 84.49 min, respectively) and longer in group L when compared to group H.

Conclusions

Adding 20 mg nalbuphine to 25 ml of 0.25% levobupivacaine in supraclavicular block provided prolonged duration of sensory block with similar duration of motor block.



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