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. Author manuscript; available in PMC: 2015 Feb 3.
Published in final edited form as: Ann Thorac Surg. 2014 Dec 10;99(2):582–588. doi: 10.1016/j.athoracsur.2014.08.044

Table 1.

Baseline Patient Characteristics

Group D Group B Group H p-value

Demographics
    Total, n 23 43 47
    Age, years 69.7 ± 2.2 67.2± 2.1 67.1 ± 2.1 <0.001
    Male, n (%) 19 (82.6) 38 (88.4) 46 (97.9) 0.08
    BSA, m2 1.82 ± 0.20 1.94± 0.28 1.94 ± 0.21 0.12
    NYHA class 3.5 ± 0.5 3.5± 0.7 3.5± 0.5 0.99
Etiology of Heart Failure, n(%)
     Ischemic 20 (87.0) 24 (55.8) 29 (61.7) 0.04
     Dilated 2 (8.7) 17 (39.5) 12 (25.5) 0.03
     Restrictive 0 (0) 1 (2.3) 3 (6.4) 0.34
     Valvular 1 (4.3) 2 (2.3) 2 (4.3) 0.86
     Other 0 (0) 0 (0) 1 (2.1) 0.49
Co-morbidities, n(%)
     Coronary artery disease 21 (91.3) 27 (62.8) 32 (68.1) 0.05
     Myocardial infarction 14 (60.9) 20 (46.5) 18 (38.3) 0.21
     Diabetes 9 (39.1) 16 (37.2) 17 (36.2) 0.97
     Hypertension 15 (65.2) 18 (41.9) 21 (44.7) 0.17
     Hyperlipidemia 12 (52.2) 15 (34.9) 14 (29.8) 0.18
     Stroke/TIA 1 (4.3) 5 (11.6) 3 (6.4) 0.51
     Peripheral arterial disease 2 (8.2) 3 (7.0) 6 (12.8) 0.64
     Chronic Kidney Disease 14 (60.9) 15 (34.9) 17 (36.2) 0.09
     COPD 3 (13.0) 5 (11.6) 3 (6.4) 0.59
     Prior cardiac surgery 13 (56.5) 18 (41.9) 28 (59.6) 0.22
Echocardiographic Data
     LV ejection fraction, % 19.5 ± 5.3 20.4± 4.4 21.9 ± 9.1 0.34
     LVEDD, cm 6.5 ± 0.8 6.8± 0.8 6.2 ± 1.2 0.02
     RV function a 2.3 ± 0.7 2.1± 0.6 2.0 ± 0.6 0.37
Catheterization Data
     Mean PAP, mmHg 41.3 ± 7.6 35.5± 9.7 30.3 ± 9.9 <0.001
     PCWP, mmHg 27.5 ± 7.6 25.3± 9.0 20.2 ± 7.2 0.001
     CVP, mmHg 15.7 ± 8.6 12.5± 6.9 9.8 ± 5.7 0.005
     Cardiac Output, L/min 2.7 ± 0.6 3.4± 1.1 3.2 ± 1.0 0.08
     Cardiac index, L/min/m2 1.4 ± 0.3 1.7± 0.5 1.7 ± 0.5 0.04
     PVR, dyn*s/cm5 448.2 ± 170.5 284.1± 136.7 288.3 ± 184.4 0.006
     RVSWI, gm/m2/beat 7.1 ± 3.3 7.8± 3.6 7.7 ± 2.5 0.83
Pre-operative Support, n(%)
     Inotrope 18 (78.3) 41 (95.3) 39 (83.0) 0.09
     Intra-aortic balloon pump 7 (30.4) 12 (27.9) 0 (0) <0.001
     Centrimag BiVAD/ECMO 0 (0) 4 (9.3) 0 (0) 0.03
a

RV function scale (1 = normal, 2= mild to moderate dysfunction, 3= severe dysfunction)

Abbreviations: BSA=body surface area, COPD=chronic obstructive pulmonary disease, CVP=central venous pressure, ECMO=extracorporeal membrane oxygenation, LVEDD=left ventricular end diastolic dimension, PAP=pulmonary arterial pressure, PCWP=pulmonary capillary wedge pressure, PVR=pulmonary vascular resistance, RVSWI=right ventricular stroke work index, TIA=transient ischemic attack