Pharmacokinetic of Doripenem and Piperacillin/Tazobactam in More Than 120 kg Critically Ill Patients

"This arm is composed of 26 no overweight patients, Antibiotic (Doripenem or Piperacillin/Tazobactam) is chosen by the intensivist in charge of the case:~* in 13 no overweight patients, Pipéracilline/tazobactam will be administered in 4g IV (1h) and then 16g/24h IV continuously. Piperacillin/Tazobactam plasma dosage: after the first dose and then every 12h.~* in 13 patients no overweight: doripénème will be administered in 1g/8h with a 4h IV infusion. Doripenem plasma dosage: after the first dose and then twice a day, at peak and residual value."

"This arm is composed of 26 overweight patients, Antibiotic (Doripenem or Piperacillin/Tazobactam) is chosen by the intensivist in charge of the case:~* in 13 overweight patients, Pipéracilline/tazobactam will be administered in 4g IV (1h) and then 16g/24h IV continuously. Piperacillin/Tazobactam plasma dosage: after the first dose and then every 12h.~* in 13 patients overweight: doripénème will be administered in 1g/8h with a 4h IV infusion. Doripenem plasma dosage: after the first dose and then twice a day, at peak and residual value."