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Quantification and ...
Quantification and Explanation of the Variability of First-Dose Amikacin Concentrations in Critically Ill Patients Admitted to the Emergency Department : A Population Pharmacokinetic Analysis
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- De Winter, Sabrina (författare)
- Univ Hosp Leuven, Dept Pharm, Leuven, Belgium.
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- van Hest, Reinier (författare)
- Univ Amsterdam, Amsterdam Univ Med Ctr, Dept Hosp Pharm & Clin Pharmacol, Amsterdam, Netherlands.
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- Dreesen, Erwin (författare)
- Uppsala universitet,Institutionen för farmaci,Katholieke Univ Leuven, Dept Pharmaceut & Pharmacol Sci, Leuven, Belgium.
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- Annaert, Pieter (författare)
- Katholieke Univ Leuven, Dept Pharmaceut & Pharmacol Sci, Drug Delivery & Disposit, Leuven, Belgium.;BioNotus, Galileilaan 15, B-2845 Niel, Belgium.
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- Wauters, Joost (författare)
- Univ Hosp Leuven, Dept Internal Med, Leuven, Belgium.
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- Meersseman, Wouter (författare)
- Univ Hosp Leuven, Dept Internal Med, Leuven, Belgium.
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- Van den Eede, Nele (författare)
- Univ Hosp Leuven, Lab Clin Bacteriol & Mycol, Leuven, Belgium.
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- Desmet, Stefanie (författare)
- Univ Hosp Leuven, Lab Clin Bacteriol & Mycol, Leuven, Belgium.
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- Verelst, Sandra (författare)
- Univ Hosp Leuven, Dept Emergency Med, Leuven, Belgium.
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- Vanbrabant, Peter (författare)
- Univ Hosp Leuven, Dept Internal Med, Leuven, Belgium.
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- Peetermans, Willy (författare)
- Univ Hosp Leuven, Dept Internal Med, Leuven, Belgium.
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- Spriet, Isabel (författare)
- Univ Hosp Leuven, Dept Pharm, Leuven, Belgium.;Katholieke Univ Leuven, Dept Pharmaceut & Pharmacol Sci, Leuven, Belgium.
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Univ Hosp Leuven, Dept Pharm, Leuven, Belgium Univ Amsterdam, Amsterdam Univ Med Ctr, Dept Hosp Pharm & Clin Pharmacol, Amsterdam, Netherlands. (creator_code:org_t)
- 2021-07-23
- 2021
- Engelska.
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Ingår i: European journal of drug metabolism and pharmacokinetics. - : Springer Nature. - 0378-7966 .- 2107-0180. ; 46, s. 653-663
- Relaterad länk:
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https://lirias.kuleu...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Background: There may be a difference between the determinants of amikacin exposure in emergency department (ED) versus intensive care (ICU) patients, and the peak amikacin concentration varies widely between patients. Moreover, when the first dose of antimicrobials is administered to septic patients admitted to the ED, fluid resuscitation and vasopressors have just been initiated. Nevertheless, population pharmacokinetic modelling data for amikacin in ED patients are unavailable.Objective: The aim of this study was to quantify the interindividual variability (IIV) in the pharmacokinetics of amikacin in patients admitted to the ED and to identify the patient characteristics that explain this IIV.Methods: Patients presenting at the ED with severe sepsis or septic shock were randomly assigned to receive amikacin 25 mg/kg or 15 mg/kg intravenously. Blood samples were collected at 1, 6 and 24 h after the onset of the first amikacin infusion. Data were analysed using nonlinear mixed-effects modelling.Results: A two-compartment population pharmacokinetic model was developed based on 279 amikacin concentrations from 97 patients. The IIV in clearance (CL) and central distribution volume (V-1) were 71% and 26%, respectively. Body mass index (BMI), serum total protein level, serum sodium level, and fluid balance 24 h after amikacin administration explained 30% of the IIV in V-1, leaving 18% of the IIV unexplained. BMI and creatinine clearance according to the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation 24 h after amikacin administration explained 46% of the IIV in CL, and 39% remained unexplained.Conclusion: The IIV of amikacin pharmacokinetics in ED patients is large. Higher doses may be considered in patients with low serum sodium levels, low total protein levels, or a high fluid balance.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmakologi och toxikologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmacology and Toxicology (hsv//eng)
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De Winter, Sabri ...
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van Hest, Reinie ...
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Dreesen, Erwin
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Annaert, Pieter
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Wauters, Joost
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Meersseman, Wout ...
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Van den Eede, Ne ...
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Desmet, Stefanie
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Verelst, Sandra
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Vanbrabant, Pete ...
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Peetermans, Will ...
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Spriet, Isabel
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