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Table 1 Clinical data at implantation, weaning and post-explantation

From: Myocardial recovery in peri-partum cardiomyopathy after continuous flow left ventricular assist device

Time/Parameter Pre ECMO 3 months post LVAD 9000 rpm rest 6000 rpm rest 9000 rpm exercise 6000 rpm exercise p-explant 9 months p-explant
NYHA IV I-II I-II I-II -- -- -- I-II
Hemodynamics         
Systolic blood pressure, mm Hg 70 -- -- -- -- -- 80 90
Mean blood pressure, mm Hg 40 95 80 85 180 130 - -
Diastolic blood pressure, mm Hg - -- -- -- -- -- 50 60
Heart rate, beats/min 130 66 70 85 182 185 110 73
Cardiac index, L/min/m2 - - - 3.2 - 4.9 2.9 --
Pulmonary capillary wedge, mm Hg - - - 11 - 22 - --
Pulmonary artery systolic, mm Hg - - - 21 - 40 28 --
Pulmonary artery diastolic, mm Hg - - - 10 - 20 11 --
Central venous pressure, mm Hg - - - 4 - 11 13 --
Right ventricular stroke work index, g/m2 - - - 366 - 416 87 -
Mixed venous O2 saturation, % - - - 67 - 27 61 --
LVAD monitor         
Revolutions per minute -- - 9000 6000 9000 6000 -- --
Flow, L/min -- - 5.3 "---" 6.6 "---" -- --
Pulsatility index -- - 5.4 6.2 3.7 6.3 -- --
Exercise test         
VO2, ml/(kg × min) -- -- -- -- -- 15.3 -- 15.5
VE/VCO2 -- -- -- -- -- 75 -- 35
Respiratory exchange ratio -- -- -- -- -- 1.01 -- 0.9
Laboratory         
Creatinine, μmol/L 64 109 61 - - - 124 95
NT-proBNP, pg/mL 2060 - 137 - - - 6530 312
Troponin T, ng/mL < 0.01 - < 0.01 - - - 0.90 -
Echocardiography         
Left ventricular ejection fraction, % 10-15 70-75 75-80 70-75 75 70 60-70 55-60
Left ventricular end-diastolic diameter, mm - 42 37-40 39 42 37-40 35 51
Fractional shortening, % - 40 50 40 48 45 37 31
Right ventricular fractional area change, % - 35 38 40 - 39 - 32
Right ventricular end-diastolic diameter, mm - 28 27 27 23 22 27 29
Tricuspid regurgitation, grade, 1-4 - 2 < 1 < 1 - < 1 2 2
Tricuspid annular plane systolic excursion, mm - 8.5 9 9.5 - 10 11 15
E/A ratio - 2.2 1.6 2.8 - 1.8 1.6 2.5
E/E' ratio - - 12 15 - 11 - 18
Left atrial diameter, mm - 25 31 31 32 30 23 46
Mitral regurgitation, grade, 1-4 3 1 1 1 - 1 1 3
Septum during systole - right right left right left left left
Aortic valve opening 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1
  1. - not available
  2. -- not applicable
  3. "---" when flow is low, the HeartMate II controller does not estimate flow and the monitor instead displays "---"