Research Article

Hemodynamics in Shock Patients Assessed by Critical Care Ultrasound and Its Relationship to Outcome: A Prospective Study

Table 2

Demographic and clinical characteristics of shock patients and outcome of the studied subjects.

VariableMeasureRange

Gender (male/female)113/68
Age (years)20-89
APACHE II2-50
Heart rate (bpm)65-180
Systolic blood pressure (mmHg)59-174
Diastolic blood pressure (mmHg)32-132
Mean blood pressure (mmHg)43.7-136.3
Urine output per hour (ml)50 (20, 90)0-500
Lactate (mmol/l)3.2 (2.0, 6.8)1-28.2
Length of mechanical ventilation (hours)168 (94, 384)5-1405
PaO2/FiO2185 (124.9, 266.2)44-620
Type of shock/case (%)
 Distributive shock111 (61.3)111/181
 Hypovolemic shock54 (29.8)54/181
 Cardiogenic shock12 (6.6)12/181
 Obstructive shock4 (2.2)4/181
Vasoactive agents/case (%)162 (89.5)162/181
 Norepinephrine/case (%)155 (95.7)155/162
  <0.5 μg/kg·min82 (50.6)82/162
  0.5-1 μg/kg·min35 (21.6)35/162
  >1 μg/kg·min38 (23.5)38/162
 Dopamine/case (%)7 (4.3)7/162
 Inotrope agents/case (%)16 (8.8)16/181
ICU length of stay (d)15 (7, 28)2-138
Hospital length of stay (d)24 (13, 38)2-149
28-day mortality (%)44.881/181

Values were expressed as deviation or median (interquartile range), according to the type of data and data distribution. Percentages for categorical variables and continuous variables were expressed as ranges. Abbreviations: APACHE II: Acute Physiology and Chronic Health Evaluation II; ICU: intensive care unit.