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Table 2 Characteristics of patients undergoing ECMO and controls

From: Vancomycin population pharmacokinetics during extracorporeal membrane oxygenation therapy: a matched cohort study

 

ECMO (n = 11)

Controls (n = 11)

Male, n

4

5

Age, years

43 (19 to 59)

55 (24 to 64)

Estimated weight, kg

70 (46 to 85)

70 (47 to 95)

Estimated body mass index, kg/m2

26 (18-29)

24 (18-29)

Medical admission, n

9

8

APACHE II score on ICU admission

22 (3 to 33)

18 (5 to 34)

Mechanical ventilation on ICU admission

9

7

SOFA score on the first day of therapy

11 (5 to 13)

11 (2 to 15)

Time from ICU admission to ECMO, days

3 (0 to 9)

NA

Time from ICU admission to vancomycin therapy, days

7 (4 to 18)

4 (0 to 8) *

Mechanical ventilation on the first day of therapy

11

7

Fluid balance (the day preceding the loading dose), mL/24 h

1959 (-1404 to 5877)

2153 (-1592 to 9686)

Albumin concentration (before the loading dose), g/dL

2.6 (2 to 3.3)

2.8 (2 to 3.8)

Protein concentration (before the loading dose), g/dL

4.2 (2.8 to 4.8)

4.6 (3.4 to 6.4)

Lactate level (before the loading dose), mmol/L

1.1 (0.5 to 17.9)

1.8 (0.7 to 7.9)

CrCl on the first day of therapy, mL/minute (n = 4)

64 (39 to 99)

61 (46 to 109)

CRRT intensity, mL/kg/h (n = 7)

38 (19 to 53)

42 (20 to 50)

Reason for ECMO initiation

  

Cardiogenic shock/ARDS/Sepsis, n

5/4/2

2/4/5

VA ECMO/VV ECMO, n

5/6

NA

Overall ICU mortality, n

6

3

Comorbidities

  

CVD

2

1

COPD/asthma

3

2

Diabetes

3

2

Previous serum creatinine >2.0 mg/dL

1

0

Liver disease

0

1

Solid organ transplant

2

2

Chronic immunosuppressive therapy

3

3

Neutropenia

1

2

  1. Data are presented as count or median (range). *P <0.05. APACHE, acute physiology and chronic health evaluation; SOFA, sequential organ failure assessment; CrCl, creatinine clearance; CRRT, continuous renal replacement therapy; VA ECMO, veno-arterial extracorporeal membrane oxygenation; VV ECMO, veno-venous extracorporeal membrane oxygenation; ARDS, acute respiratory distress syndrome; CVD, cardiovascular disease; COPD, chronic obstructive pulmonary disease; CRF, chronic renal failure; NA, not applicable.