Abstract
Purpose
To investigate the optimal dose of vancomycin (VCM) for methicillin-resistant Staphylococcus aureus infections in the urological patients including renal dysfunction.
Methods
We had 143 sets of available data from the consecutive patients treated in the urological department for analysis in VCM dose, VCM trough and estimated glomerular filtration rate: eGFR at VCM trough examination. Patients were classified according to eGFR level, and we calculated the regression line between VCM dose and VCM trough accordingly.
Results
Median VCM dose were 1000 (range 500–3500) mg per day, the VCM trough was 15.6 ± 7.89 μg/ml, and eGFR was 61.1 ± 27.2 ml/min/1.73 m2. Our regression analysis (x axis: VCM dose (mg) and y axis: VCM trough (μg/ml) was statistically significant in the group with eGFR of 30–60 ml/min/1.73 m2 (y = 26.103x + 481.7; r 2 = 0.1291) and the group with eGFR of 60–90 ml/min/1.73 m2 (y = 48.891x + 350.75; r 2 = 0.2561) in both with (p = 0.021 and 0.035, respectively) or without (p = 0.012 and 0.004, respectively) adjustments by body weight for VCM doses.
Conclusion
These data showed that the optimal dose of VCM varied according to the eGFR value in consecutive urological patients with various renal functions.
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Acknowledgments
We thank Mr. Kazuhiro Yamamoto for data analyses.
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Shigemura, K., Osawa, K., Yamamichi, F. et al. Optimal vancomycin doses for methicillin-resistant Staphylococcus aureus infection in urological renal dysfunction patients. Int Urol Nephrol 47, 887–891 (2015). https://doi.org/10.1007/s11255-015-0973-5
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DOI: https://doi.org/10.1007/s11255-015-0973-5