Abstract

Abstract Augmented renal clearance (ARC) is a recently reported condition in pathophysiology of critically ill patients in the intensive care unit. ARC refers to the enhanced renal elimination of circulating solutes. These patients are either young or previously healthy people who have undergone surgery or multiple trauma. This case report describes an adjustment of dosing regime of vancomycin to a young patient, who demonstrated ARC with severe polytrauma, overcome crush syndrome and sepsis. This 16-year old male patient was crushed by a tractor, which caused severe tissue damaged in the right lower limb. He gradually developed a serious crush syndrome. When kidneys resumed their function, creatinine clearance reached the value that indicated ARC (339.81 mL/min/1.73 m2). Vancomycin was included in the patient’s treatment regime by administering conventional dose of 1 g per 12 hours. The residual measured levels were very low. The dose of vancomycin had to be adjusted to double and then to triple the conventional dose. Without the therapeutic drug monitoring (TDM) and subsequent interpretation of the results by the clinical pharmacists, such high doses would not have been considered for administration. ARC responds strongly to sub-therapeutic serum vancomycin levels. Our case report confirms the significance of TDM and the consecutive interpretation of the results in critically ill patients.

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