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Table 1 Baseline characteristics of the study population

From: Natriuretic peptide testing for the evaluation of critically ill patients with shock in the intensive care unit: a prospective cohort study

Characteristic

Value

Age (years)

67.8 ± 13.8

Male sex

69%

Prior heart failure

47%

APACHE II score

21.8 ± 6.9

Hemodynamics

   Cardiac index (l/min per m2)

3.1 ± 1.4

   PCWP (mmHg)

19.2 ± 7.1

Shock origin

   Cardiaca

57%

   Septic/SIRS

43%

Mechanical ventilation

78%

Serum creatinine (mg/dl)

1.80 (1.05–2.25)

Cardiac troponin T (ng/ml)

0.19 (0.05–1.0)

Blood pHb

7.33 ± 2.3

BNP (pg/ml)

482 (194–1340)

NT-proBNP (pg/ml)

3046 (1074–16068)

  1. In total, 49 patients were included. Values are expressed as mean ± standard deviation, percentage, or median (25th–75th centile). aSeven patieints had hemodynamics consistent with cardiogenic shock, as defined in the text. bClosest measurement to time of pulmonary artery catheter placement. APACHE, Acute Physiology and Chronic Health Evaluation; BNP, brain natriuretic peptide; NT-proBNP, amino-terminal pro-brain natriuretic peptide; PCWP, pulmonary capillary wedge pressure; SIRS, systemic inflammatory response syndrome.
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Critical Care

ISSN: 1364-8535