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Year : 2015  |  Volume : 47  |  Issue : 6  |  Page : 616-619

Metabolic effects as a cause of myotoxic effects of fluoroquinolones

1 Department of Anesthesiology, University Hospital Regensburg, Regensburg, Germany
2 Department of Anesthesiology, Hospital Wuerzburg, Wuerzburg, Germany
3 Department of Anesthesiology, Achdorf Hospital, Landshut, Germany

Correspondence Address:
Dr. Thomas Metterlein
Department of Anesthesiology, University Hospital Regensburg, Regensburg
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0253-7613.169571

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Objectives: To investigate if fluoroquinolones (FQs) influence skeletal muscle metabolism of healthy and malignant hyperthermia susceptible (MHS) pigs. Materials and Methods: After approval from of the Animal Care Committee, 10 MHS pigs, and 6 MHS pigs were anesthetized with hemodynamic and systemic metabolic monitoring. Microdialysis catheters were placed intramuscularly. After equilibration, levofloxacin and ciprofloxacin were injected as a rapid bolus and continuous infusions. Lactate was measured in the dialysate and statistically analyzed was done (Wilcoxon-test; U-test;P < 0.05). Results: There were no differences in age, weight, and baseline lactate levels between the groups. Both applications of levofloxacin- and ciprofloxacin-induced an increase of local lactate levels in healthy and MHS pigs. No difference between the two groups was observed. Conclusion: FQs influence skeletal muscle metabolism. Myotoxic effects of FQs can, therefore, be explained by an influence on the cellular energy balance.


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