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Updated: May 31, 2026
09:14
Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
Published on: June 18, 2021
Magnesium sulfate administration in subarachnoid hemorrhage
1Department of Neurology, Baylor College of Medicine, 6501 Fannin St, NB302, Houston, TX 77030, USA, jisuarez@bcm.edu
Neurocritical Care
|July 13, 2011
Summary
Intravenous magnesium for subarachnoid hemorrhage (SAH) showed no clear benefits in clinical trials. Despite theoretical advantages, evidence suggests uncertain trade-offs and potential side effects, questioning its overall net benefit for SAH patients.
Area of Science:
- Neurology
- Pharmacology
- Critical Care Medicine
Background:
- Subarachnoid hemorrhage (SAH) is a critical neurological condition.
- Magnesium has theoretical vascular and neuroprotective properties.
- Intravenous magnesium is explored as a potential treatment for SAH.
Purpose of the Study:
- To review existing literature on intravenous magnesium for SAH.
- To assess the efficacy and safety of magnesium in SAH patients.
- To determine the net benefit of magnesium treatment in SAH.
Main Methods:
- Conducted an electronic literature search for studies on intravenous magnesium in SAH.
- Included studies published in English between January 1990 and October 2010.
- Reviewed 17 articles, including Phase II and III randomized-controlled trials.
Main Results:
- Most studies had low methodological quality.
- Phase II trials indicated no overall net benefit or uncertain trade-offs due to inconsistent benefits and side effects.
- The single Phase III trial did not support a benefit of magnesium for SAH.
Conclusions:
- Current evidence does not support the routine use of intravenous magnesium for subarachnoid hemorrhage.
- The potential benefits of magnesium in SAH are uncertain and may be outweighed by side effects.
- Further high-quality research is needed to clarify the role of magnesium in SAH management.
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