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Year : 2017  |  Volume : 31  |  Issue : 2  |  Page : 112-118

Buprenorphine as an adjuvant to 0.5% ropivacaine for ultrasound-guided supraclavicular brachial plexus block: A randomized, double-blind, prospective study

Department of Anesthesiology, Jawaharlal Nehru Medical College, Ajmer, Rajasthan, India

Correspondence Address:
Neena Jain
Department of Anaesthesiology, Jawaharlal Nehru Medical College, Ajmer - 305 001, Rajasthan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijpn.ijpn_23_17

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Context: Ultrasound-guided supraclavicular brachial plexus block is ideal for upper limb surgical procedures. Buprenorphine used as an adjuvant to ropivacaine may prolong analgesia. Aims: The aim is to assess the analgesic efficacy and safety of buprenorphine added to 0.5% ropivacaine solution. Settings and Design: This prospective, double-blind, randomized study was conducted on 60 adult patients of the American Society of Anesthesiologists physical Status I and II undergoing various upper limb surgeries under ultrasound-guided supraclavicular brachial plexus block. Subjects and Methods: Patients were allocated into two groups of 30 each to receive either 30 ml 0.5% ropivacaine with 1 ml buprenorphine (0.3 mg) (Group B) or 30 ml 0.5% ropivacaine with 1 ml normal saline (Group C) for supraclavicular brachial plexus block. Onset, duration, and quality of sensory block and motor block; duration of analgesia and side effects were observed. Results: The mean duration of analgesia was significantly longer in Group B (868.2 ± 77.78 min) than in Group C (439.3 ± 51.19 min). The mean duration of motor and sensory block were significantly longer in Group B (451.8 ± 57.18 min) and (525.8 ± 50 min), respectively, than in Group C (320.5 ± 43.62 min) and (373 ± 53.78 min), respectively (P < 0.05). Conclusions: Addition of buprenorphine to ropivacaine for ultrasound-guided supraclavicular brachial plexus block prolonged the duration of sensory and motor blockade and postoperative analgesia without an increase in side effects.

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