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. Author manuscript; available in PMC: 2015 Feb 15.
Published in final edited form as: Am J Nephrol. 2014 Feb 15;39(3):195–203. doi: 10.1159/000358495

Table 1A. Baseline Clinical Characteristics of VAD Patients by AKI Status.

No AKI
(N=113)
AKI
(N=44)
P value

Operative Age (years) 58.3±12.7 56.4±12.7 0.4

Weight (kg) 89.2±23.3 84.3±25.3 0.25

Race N (%)
Caucasian 68(60.2) 23(52.3) 0.39
African American 36(31.9) 18(40.9)
Asian 4(3.5) 0 (0)
Unknown 5(4.4) 3(6.8)

Males: N (%) 89(78.8) 34(77.3) 0.84

Body mass index (kg/m2) 28.9±6.3 28.4±7.3 0.62

Baseline Serum Creatinine (mg/dl) 1.67± 1.01 1.58±0.71 0.57

eGFR MDRD (ml/min) 49.3±26.7 50.4±22.1 0.82

Pre-operative Hematocrit 34.2±6.2 36.5±5.3 0.05

HbA1c 6.9±1.2 6.9±1.2 0.84

Diabetes N(%) 35(31.0) 23(52.3) 0.01

Peripheral Vascular Disease N(%) 7(6.2) 3(6.8) 0.85

Hypertension N(%) 48(42.5) 23(52.2) 0.27

Cerebro-Vascular Disease N(%) 9(8.0) 9(20.5) 0.03

Hyperlipidemia N(%) 61(54) 21(47.7) 0.48

CHF N(%) 101(89.4) 43(97.7) 0.09

Ejection Fraction 17.7 ± 7.6 16.5 ±7.9 0.57

Cardiogenic Shock N(%) 34(30.1) 16 (36.36) 0.68

VAD Device (N%)
HeartMate II 88(77.9) 35(79.6)
Heartware 19(16.8) 5(11.4)
BiVAD 3(2.7) 1(2.2) 0.48
PVAD/RVAD 0(0) 1(2.2)
HeartMate XVE 3(2.6) 2(4.6)

Goal of Implant N (%)
Bridge to Transplant 54(47.8) 21(48.8) 0.90
Destination Therapy 59(52.2) 22(51.2)

NYHA classification N(=133) (%)
Class I 1(1.1) 1(2.6) 0.58
Class II 1(1.1) 1(2.6)
Class III 9(9.4) 4(10.5)
Class IV 84(88.4) 32(84.2)

INTERMACS Score (N=147)
1 18 (17 %) 11 (26.82 %)
2 46(43.39 %) 14 (34.14 %) 0.63
3 25 (23.58 %) 10 (24.39 %)
4 15(14.15%) 6(14.63 %)
≥5 2(1.88 %) 0

Preoperative Hemodynamics (N=111)
RAP (mm-hg) 13.7±6.6 14.5±7.5 0.60
RVSP (mm-hg) 53.3±14.8 51± 12.7 0.45
PASP (mm-hg) 54.3±15.1 51.6±13.9 0.40
PADP (mm-hg) 26.9±8.5 26.5±7.2 0.84
PCWP 25.9±8.7 23.6±10.2 0.25
Cardiac Output (L/min) 3.78±1.7 3.60±1.4 0.62
Cardiac Index 1.84±0.6 1.82±0.7 0.87

eGFR – Estimated Glomerular Filtration Rate

RAP- Right Atrial Pressures

RVSP- Right Ventricle Systolic pressure

PASP – Pulmonary artery Systolic Pressure.

PADP- Pulmonary artery diastolic pressure

PCWP – Pulmonary capillary wedge pressure.

PVAD/RVAD- Paracorporeal ventricular /Right ventricular assist device.

Data presented as either mean ± SD or median (inter-quartile range) as appropriate