Submitted: 08 Jun 2018
Accepted: 19 Sep 2018
First published online: 29 Oct 2018
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J Renal Inj Prev. 2019;8(2):112-115.
doi: 10.15171/jrip.2019.21
  Abstract View: 128
  PDF Download: 154

Original

Vancomycin dosing in low-flux hemodialysis; is adjustment of drug dosage necessary?

Niloofar Khodabandehloo 1, Arash Fourodi 1, Aria Jenabi 2 *

1 Department of Internal Medicine, Rasoul Akram Hospital, Iran University of Medical sciences, Tehran, Iran 2
2 Department of Nephrology, Dialysis Center, Rasoul Akram Hospital, Iran University of Medical sciences, Tehran, Iran
*Corresponding author: Aria Jenabi, Email: ariajenabi@gmail.com, Email: jenabi.a@iums.ac.ir

Article

Introduction: Vancomycin is a wide useable antibiotic against gram-positive bacteria species in different clinical setting particularly in hemodialysis patients.

Objectives: The present study aimed to assess the serum level of vancomycin before and after hemodialysis.

Patients and Methods: This cross-sectional study was performed on patients who were hospitalized and medicated by vancomycin with the loading dose of 1000 mg followed by the maintenance dose of 500 mg after each dialysis session every other day. All patients were dialyzed with a low-flux dialyzer membrane. Half an hour before and immediately after dialysis, 2 mL blood sample was taken and stored at -20°C until assaying the level of vancomycin.

Results: The average reduction in the serum level of vancomycin was totally 17.65 ± 1.69%. The mean reduction in the serum level of vancomycin was significantly higher in the patients aged higher than 60 years, as compared to other ones. But the level of drug was independent to gender or body mass index.

Conclusion: Using low-flux dialyzer membranes, the average reduction in the serum level of vancomycin is expected to be in the range of 12.43% to 21.56% that age was directly associated with the average reduction of the level of vancomycin. Therefore, adjusting and monitoring the serum level of drug in old ages even in the cases of using low-flux dialyzer membranes is recommended.

Implication for health policy/practice/research/medical education:

Given results of our study on assessing the serum level of vancomycin (the loading dose of 1000 mg followed by the maintenance dose of 500 mg) before and after hemodialysis, it is recommended to adjust and monitor the serum level of drug in old ages even in the cases of using low-flux dialyzer membranes.

Please cite this paper as: Khodabandehloo N, Fourodi A, Jenabi A. Vancomycin dosing in low-flux hemodialysis; is adjustment of drug dosage necessary? J Renal Inj Prev. 2019;8(2):112-115. DOI: 10.15171/jrip.2019.21.

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