Table 7.

Trough concentrations of study antimicrobials stratified by sampling site

Antimicrobial	Cmin arterial line (mg/L)	Cmin pre membrane (mg/L)	Cmin post membrane (mg/L)
Meropenem	12.67 ± 7.50 (n = 6)	12.15 ± 6.50 (n = 6)	11.43 ± 7.35 (n = 6)
Piperacillin	47.93 ± 53.34 (n = 3)	42.47 ± 46.30 (n = 3)	42.23 ± 45.86 (n = 3)
Tazobactam	4.13 ± 4.09 (n = 3)	3.80 ± 3.63 (n = 3)	3.87 ± 3.88 (n = 3)
Linezolid	2.10 ± 1.01 (n = 3)	2.03 ± 1.38 (n = 3)	2.37 ± 1.36 (n = 3)
Ceftaroline	7.17 ± 3.38 (n = 3)	7.57 ± 3.32 (n = 3)	6.73 ± 3.78 (n = 3)

All PK measures are expressed as mean ± SD. Cmin: total trough plasma concentration. Sampling points: arterial line, pre-membrane, and post-membrane