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Metamizole: an effective solution for vasospasm
Burak Kaya1, Servet Elçin Işılgan1, Savaş Serel1
1a Department of Plastic, Reconstructive and Aesthetic Surgery , Ankara University Faculty of Medicine , Ankara , Turkey and.
Journal of Plastic Surgery and Hand Surgery
|February 9, 2016
Summary
Metamizole effectively alleviates vasospasm, showing results comparable to papaverine in microsurgery. This study compared metamizole, papaverine, and lidocaine for treating vasospasm in rat femoral arteries.
Area of Science:
- Vascular Surgery
- Pharmacology
- Microsurgery
Background:
- Vasospasm is a significant complication in microsurgery.
- Pharmacological agents are commonly used to manage vasospasm.
- Metamizole's efficacy in vasospasm treatment is not well-established compared to standard agents.
Purpose of the Study:
- To evaluate the effect of topical metamizole on vasospasm.
- To compare the efficacy of metamizole with papaverine and lidocaine in alleviating vasospasm.
Main Methods:
- Thirty-five female rats were divided into control, metamizole, papaverine, and lidocaine groups.
- Femoral arteries were dissected and photographed before and after topical agent application.
- Arterial diameters were measured at 5, 10, 20, and 30 minutes post-application.
Main Results:
- All tested pharmacological agents significantly increased arterial diameter.
- Metamizole and papaverine demonstrated superior vasodilation compared to lidocaine across all time points.
- Topical metamizole provided significant vasodilation within the 30-minute observation period.
Conclusions:
- Topically applied metamizole is as effective as papaverine in alleviating vasospasm.
- Metamizole presents a viable alternative for managing vasospasm during microsurgical procedures.
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