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Table 1 Characteristics of the study population

From: Transthoracic echocardiography: an accurate and precise method for estimating cardiac output in the critically ill patient

Characteristic

Study population (n = 38)

Male

26 (68)

Age (years)

65 (58–74)

SAPS II

67 (51–78)

Admission

 Septic shock/SIRS

19 (50)

 Cardiogenic shock

5 (13)

 Hypovolemic shock

3 (8)

 Respiratory failure

11 (29)

Indication for PAC monitoring

 Hemodynamic failure

24 (63)

 Respiratory failure

14 (37)

Catecholamines

 Norepinephrine

28 (74)

 Dobutamine

3 (7)

 Epinephrine

2 (5)

Surgery

2 (5)

MAP (mmHg)

72 (67–85)

HR (bpm)

102 (81–119)

Sat O2 (%)

96 (93–98)

PaO2/FiO2 ratio

216 (133–294)

Mechanical ventilation

 Tidal volume (ml)

460 (373–500)

 PEEP (cmH2O)

8 (5–10)

 RR (cycle/min)

22 (19–26)

 PPlat (cmH2O)

20 (17–23)

 FIO2 (%)

45 (35–70)

LVEF (%)

58 (42–67)

CO-PAC (L/min)

5.8 (4.7–7.5)

CO-TTE (L/min)

5.8 (4.7–7.1)

SV-PAC (ml)

63 (46–78)

SV-TTE (ml)

64 (49–71)

RV/LV ratio

0.6 (0.6–0.7)

TAPSE (mm)

1.9 (1.6–2.3)

  1. Data expressed as median (IQR) or n (%)
  2. SAPS II Simplified Acute Physiology Score, SIRS systemic inflammatory response syndrome, PAC pulmonary artery catheter, MAP mean arterial pressure, HR heart rate, Sat O 2 oxygen saturation, PEEP positive end-expiratory pressure, RR respiratory rate, PPlat plateau pressure, FIO 2 fraction of inspired oxygen, LVEF left ventricular ejection fraction, CO-PAC cardiac output measured with a pulmonary artery catheter, CO-TTE cardiac output estimated by transthoracic echocardiography, SV-PAC stroke volume measured by pulmonary artery catheter, SV-TTE stroke volume estimated by transthoracic echocardiography, TAPSE tricuspid annular plane systolic excursion, RV/LV ratio ratio between right ventricle area and left ventricle area PaO 2 arterial oxygen partial pressure FIO 2 fractional inspired oxygen
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Critical Care

ISSN: 1364-8535