alexa Effect of Magnesium Sulfate on the Total Anesthetic and Analgesic Requirements in Neurosurgery
ISSN: 2155-9562

Journal of Neurology & Neurophysiology
Open Access

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Proceedings

Effect of Magnesium Sulfate on the Total Anesthetic and Analgesic Requirements in Neurosurgery

Essam M. Manaa1,2* and Amro F. Alhabib3

1Anesthesia Department, College of Medicine, Assiut University Hospital, Assiut, Egypt

2Anesthesia Department, College of Medicine, King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia

3Neurosurgery Department, King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia

Corresponding Author:
Essam M. Manaa
Anesthesia Department, Assiut University Hospital
College of Medicine, Assiut, Egypt
Anesthesia Department (41), King Khalid University Hospital
King Saud University, Riyadh, Saudi Arabia
Tel: 00966509870124
Fax: 0096614692366
E-mail: [email protected]

Received date: June 12, 2012; Accepted date: June 27, 2012; Published date: June 30, 2012

Citation: Manaa EM, Alhabib AF (2012)Effect of Magnesium Sulfate on the Total Anesthetic and Analgesic Requirements in Neurosurgery. J Neurol Neurophysiol S11-001. doi:10.4172/2155-9562.S11-001

Copyright: © 2012 Manaa EM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Background: Anesthesia for neurosurgery requires balancing deep and effective anesthesia as well as
postoperative analgesia versus the risks of delayed recovery and postoperative respiratory depression. This
randomized, placebo-controlled, double-blind study was designed to evaluate the effect of magnesium sulfate on the
total anesthetic and analgesic consumption using the clinical parameters in addition to the bispectral index (BIS) and
neuromuscular monitoring using train-of-four (TOF).
Patients and Methods: This study included 60 adult male and female patients, ASA physical status I and II,
and undergoing neurosurgical procedures. Patients were randomly allocated into 2 equal groups. Patients in group
I (magnesium group) received magnesium sulfate (20 mg/kg) as bolus dose over 5 minutes before induction of
anesthesia, followed by 10 mg/kg/h as infusion. While patients in group II (control group) received saline with the
same bolus and infusion rates. All patients were induced by fentanyl (2 μg/kg), propofol (1.5-2 mg/kg) and rocuronium
in a dose of (0.6 mg/kg) to facilitate tracheal intubation. This was followed by continuous infusion of propofol (6-10
mg/kg/h) and fentanyl (1-2 μg/kg/h).
Results: Results showed that total consumptions of fentanyl, propofol and rocuronium were significantly less
(P < 0.05) in magnesium group when compared to control group. Recovery time was significantly shorter (P < 0.05)
in magnesium group. Postoperative pain score as well as total analgesic requirement of morphine was significantly
lower (P < 0.05) in magnesium group compared to control group.
Conclusion: Magnesium sulfate reduces the total anesthetic and analgesic requirements as well as postoperative
pain

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