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Table 2 Mean cardiac output measurementsa

From: Cross-comparison of cardiac output trending accuracy of LiDCO, PiCCO, FloTrac and pulmonary artery catheters

Baseline CO (L/min), n = 17 using both COTD and CCO  
   PAC (COTD/CCO) 5.6 ± 1.5
   LiDCO Plus 5.4 ± 1.6
   PiCCO 5.4 ± 1.5
   FloTrac/Vigileo 6.1 ± 1.9
Baseline CO (L/min), n = 10 using COTD  
   COTD PAC 6.0 ± 1.3
   LiDCO Plus 5.9 ± 1.3
   PiCCO 6.0 ± 1.3
   FloTrac/Vigileo 6.9 ± 1.5
Baseline CO (L/min), n = 7 using CCO  
   CCO PAC 4.8 ± 1.4
   LiDCO Plus 4.5 ± 1.8
   PiCCO 4.3 ± 1.5
   FloTrac/Vigileo 4.8 ± 1.7
Therapeutic interventions Number
   Vasodilator (any ∆ > 0.1 μg/kg/min in nitroprusside infusion) 34
   Vasoconstrictor (any ∆ > 0.01 μg/kg/min in norepinephrine or phenylephrine infusion) 8
   Volume challenge (any volume > 250 cc of PRBC, FFP, platelets or 0.9% saline given over < 30 min) 8
   Inotrope (any ∆ > 0.01 μg/kg/min in epinephrine or > 1 μg/kg/min in dopamine or dobutamine infusion) 10
   Combination of any two or more interventions simultaneously 66
  1. aData are presented as means ± SD, and for characteristics of the events, total number. PAC, pulmonary artery catheter; COTD/CCO, intermittent bolus/continuous cardiac output; ∆, change; PRBC, packed red blood cells; FFP, fresh frozen plasma.