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Published on: February 14, 2017
The effect of ionised magnesium on coagulation using thromboelastography
W A Ames1, N McDonnell, D Potter
1St. Thomas' Hospital, London, UK.
Anaesthesia
|October 30, 1999
Summary
Magnesium sulfate infusions did not significantly alter blood coagulation in healthy volunteers. This study suggests therapeutic magnesium doses have no clinically relevant impact on blood clotting.
Area of Science:
- Biochemistry
- Hematology
- Pharmacology
Background:
- Magnesium is an essential mineral with known therapeutic applications.
- Laboratory studies have yielded conflicting results regarding magnesium's anticoagulant activity.
- The clinical significance of magnesium's effect on coagulation remains uncertain.
Purpose of the Study:
- To investigate the in vivo effect of a therapeutic dose of magnesium sulfate on blood coagulation parameters.
- To determine if intravenous magnesium sulfate administration impacts hemostasis in healthy individuals.
Main Methods:
- Ten healthy volunteers received a 4g intravenous infusion of magnesium sulfate.
- Thromboelastography and analysis of hematological indices were performed before and after the infusion.
- Coagulation variables were compared pre- and post-magnesium sulfate administration.
Main Results:
- No significant changes were observed in most measured coagulation variables.
- A significant increase in the alpha angle on the thromboelastograph was noted post-infusion.
- Hematological indices remained largely unchanged.
Conclusions:
- Intravenous administration of magnesium sulfate at a therapeutic dose did not produce clinically significant alterations in blood coagulation.
- The observed increase in the alpha angle was not deemed clinically relevant in the context of overall coagulation.
- Further research may be warranted, but current findings suggest magnesium sulfate is safe concerning hemostasis in healthy subjects.
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