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Mukherjee K, Das A, Basunia SR, et al. Evaluation of Magnesium as an adjuvant in Ropivacaine-induced supraclavicular brachial plexus block: A prospective, double-blinded randomized controlled study. J Res Pharm Pract. 2014;3(4):123-9doi: 10.4103/2279-042X.145387.
Mukherjee, K., Das, A., Basunia, S. R., Dutta, S., Mandal, P., & Mukherjee, A. (2014). Evaluation of Magnesium as an adjuvant in Ropivacaine-induced supraclavicular brachial plexus block: A prospective, double-blinded randomized controlled study. Journal of research in pharmacy practice, 3(4), 123-9. https://doi.org/10.4103/2279-042X.145387
Mukherjee, Kasturi, et al. "Evaluation of Magnesium as an adjuvant in Ropivacaine-induced supraclavicular brachial plexus block: A prospective, double-blinded randomized controlled study." Journal of research in pharmacy practice vol. 3,4 (2014): 123-9. doi: https://doi.org/10.4103/2279-042X.145387
Mukherjee K, Das A, Basunia SR, Dutta S, Mandal P, Mukherjee A. Evaluation of Magnesium as an adjuvant in Ropivacaine-induced supraclavicular brachial plexus block: A prospective, double-blinded randomized controlled study. J Res Pharm Pract. 2014 Oct;3(4):123-9. doi: 10.4103/2279-042X.145387. PMID: 25535620; PMCID: PMC4262858.
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J Res Pharm Pract. 2014 Oct;3(4):123-9. doi: 10.4103/2279-042X.145387.

Evaluation of Magnesium as an adjuvant in Ropivacaine-induced supraclavicular brachial plexus block: A prospective, double-blinded randomized controlled study.

Journal of research in pharmacy practice

Kasturi Mukherjee, Anjan Das, Sandip Roy Basunia, Soumyadip Dutta, Parthajit Mandal, Anindya Mukherjee

Affiliations

  1. Department of Biochemistry, Medical College, Kolkata, West Bengal, India.
  2. Department of Anaesthesiology, College of Medicine and Sagore Dutta Hospital, Kolkata, West Bengal, India.
  3. Department of Orthopedics, R.G Kar Medical College, Kolkata, West Bengal, India.
  4. Department of G and O, College of Medicine and Sagore Dutta Hospital, Kolkata, West Bengal, India.
  5. Department of Anaesthesiology, N.R.S Medical College and Hospital, Kolkata, West Bengal, India.

PMID: 25535620 PMCID: PMC4262858 DOI: 10.4103/2279-042X.145387

Abstract

OBJECTIVE: Different additives have been used to prolong brachial plexus block. We evaluated the effect of adding magnesium sulfate to ropivacaine for supraclavicular brachial plexus blockade. The primary endpoints were the onset and duration of sensory and motor block and duration of analgesia.

METHODS: One hundred patients (25-55 years) posted for elective forearm and hand surgeries under supraclavicular brachial plexus block were divided into two equal groups (Groups RM and RN) in a randomized, double-blind fashion. In group RM (n = 50), 30 ml 0.5% ropivacaine plus 150 mg (in 1 ml 0.9% saline) magnesium sulfate and in group RN (n = 50), 30 ml 0.5% ropivacaine plus 1 ml normal saline were administered in supraclavicular block. Sensory and motor block onset times and block durations, time to first analgesic use, total analgesic need, postoperative visual analog scale (VAS), hemodynamic variables, and side effects were recorded for each patient.

FINDINGS: Though with similar demographic profile and block (sensory and motor) onset time, the sensory and motor block duration and time to first analgesic use were significantly longer and the total need for rescue analgesics was lower in group RM (P = 0.026) than group RN. Postoperative VAS values at 24 h were significantly lower in group RM (P = 0.045). Intraoperative hemodynamics was comparable among two groups and no appreciable side effect was noted throughout the study period.

CONCLUSION: It can be concluded from this study that adding magnesium sulfate to supraclavicular brachial plexus block may increase the sensory and motor block duration and time to first analgesic use, and decrease total analgesic needs, with no side effects.

Keywords: Magnesium sulfate; Ropivacaine; supraclavicular brachial plexus block

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