Skip to main content

Table 2 Pharmacokinetic parameters of the four antibiotics

From: Recommended β-lactam regimens are inadequate in septic patients treated with continuous renal replacement therapy

Antibiotic

(number of series)

Vd (l/kg)

Cmax (μg/ml)

Cmin (μg/ml)

AUC (mg/hour/ml)

CL (ml/minute/kg)

t1/2 (hours)

MEM 1 g twice daily (n = 22)

0.45

(0.20 to 3.03)

26

(15 to 67)

6

(2 to 11)

134

(61 to 291)

1.15

(0.54 to 3.37)

4.39 (2.61 to 30.5)

TZP 4.0/0.5 g four times daily (n = 21)

0.44

(0.22 to 1.72)

138

(36 to 262)

60

(4 to 155)

527

(62 to 1378)

1.15

(0.27 to 6.26)

4.16 (1.05 to 15.3)

FEP 2 g twice daily (n = 11)

0.55

(0.33 to 0.94)

43

(28 to 83)

11

(3 to 22)

379

(148 to 483)

1.04

(0.43 to 2.97)

6.17 (3.30 to 22.9)

CAZ 2 g twice daily (n = 15)

0.37

(0.22 to 0.84)

78

(54 to 118)

24

(5 to 46)

536

(258 to 906)

0.52

(0.13 to 1.61)

7.74 (2.52 to 33.5)

  1. Data shown as median (minimum to maximum). Vd, volume of distribution; Cmax, peak concentration; Cmin, trough concentration; AUC, area under the curve; CL, total clearance; t1/2, elimination half-life; MEM, meropenem; TZP, piperacillin-tazobactam; FEP, cefepime; CAZ, ceftazidime.