Extracorporeal membrane oxygenation (ECMO) is the device which increases the supply of oxygen to the body tissues in vitro and to assist in heart and lung function. Venoarterial (VA) ECMO is used in patients with cardiogenic shock, cardiac arrest, ventricular arrhythmia and is able to secure a time to self-recovery by reducing the excessive stimulation applied to the heart. However, in ECMO patients, pharmacokinetics of drugs are changing such as increased volume of distribution (Vd) or decreased clearance (CL). For this reason, it is hard to provide the best treatment in ECMO patients. The study is to evaluate whether the PK of drugs is influenced by VA ECMO and to recommend the optimal dosing strategies for proposed drugs in adult patients receiving VA ECMO.
Study Type
OBSERVATIONAL
Enrollment
56
Residual blood samples(1\~2 cc) at each sampling time are collected from all subjects while using ECMO for drug concentration assays(LC-MS/MS etc.).
Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine
Seoul, South Korea
Serum or plasma concentration
Serum or plasma concentration of teicoplanin or levofloxacin or piperacillin/tazobactam or meropenem or vancomycin or remifentanil or cefepime or cefpirome or sufentanil or midazolam or clopidogrel or ticagrelor or prasugrel
Time frame: Between day0 to day3 after removing ECMO
Pharmacokinetic parameter: Cmax
Time frame: Between day0 to day3 after removing ECMO
Pharmacokinetic parameter: Tmax
Time frame: Between day0 to day3 after removing ECMO
Clearance
Time frame: Between day0 to day3 after removing ECMO
volume of distribution
Time frame: Between day0 to day3 after removing ECMO
absorption rate constant
absorption rate constant (if the drug is orally administered),
Time frame: Between day0 to day3 after removing ECMO
elimination half life
Time frame: Between day0 to day3 after removing ECMO
area under the curve (AUC)
area under the curve (AUC) (if possible)
Time frame: Between day0 to day3 after removing ECMO
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