Skip to main content

Table 1 Baseline characteristics of the study population

From: Resternotomy does not adversely affect outcome after left ventricular assist device implantation

Variables Overall (n = 112) Resternotomy (n = 24) Primary sternotomy (n = 88) p value
Patient data
 Age (year) 58.4 (10.9) 61.4 (6.5) 57.5 (11.8) 0.02
 Male gender 91 (81.3) 22 (91.7) 69 (78.4) 0.14
 BMI (kg/m2) 26.2 (4.3) 26.4 (3.9) 26.2 (4.4) 0.54
 BSA (m2) 1.96 (0.2) 1.95 (0.2) 1.96 (0.2) 0.93
Clinical variables
 CHD 60 (53.6) 22 (91.7) 38 (43.2) < 0.001
 DCM 49 (43.7) 2 (8.3) 47 (53.4) < 0.001
 Myocarditis 3 (2.7) 0 (0.0) 3 (3.4) 1.00
 BTT/BTC 30 (26.8) 1 (4.2) 29 (33.0) 0.005
 DT 77 (68.7) 23 (95.8) 54 (61.3) 0.001
 BTR 5 (4.5) 0 (0.0) 5 (5.7) 0.85
 INTERMACS 1 31 (27.7) 4 (16.7) 27 (30.7) 0.17
 INTERMACS 2 18 (16.1) 4 (16.7) 14 (15.9) 1.00
 INTERMACS 3 25 (22.3) 3 (12.5) 22 (25.0) 0.19
 INTERMACS 4 35 (31.3) 13 (54.2) 22 (25.0) 0.006
 INTERMACS 5 3 (2.7) 0 (0.0) 3 (3.4) 1.00
 LVEF (%) 17.3 (6.6) 18.8 (6.6) 16.9 (6.5) 0.22
 CI (l/min/m2) 1.8 (0.4) 1.9 (0.5) 1.8 (0.4) 0.43
 MeanPAP (mmHg) 33.8 (10.8) 39.9 (11.3) 32.1 (10.2) 0.03
Comorbidities
 Arterial hypertension 86 (76.8) 20 (80.3) 66 (75.0) 0.59
 CKD 54 (48.2) 12 (50.0) 42 (47.7) 0.84
 Diabetes 38 (33.9) 9 (37.5) 29 (33.0) 0.68
 COPD 34 (30.4) 9 (37.5) 25 (28.4) 0.39
 PAD 12 (10.7) 8 (33.3) 4 (4.5) < 0.001
Preoperative interventions
 IABP 11 (9.8) 1 (4.2) 10 (11.4) 0.45
 ECLS 21 (18.8) 4 (16.7) 17 (19.3) 1.00
 Hemodialysis 25 (22.3) 4 (16.7) 21 (23.9) 0.45
 Invasive ventilation 21 (18.8) 3 (12.5) 18 (20.5) 0.56
Surgical complexity
 CPB time (min) 94.9 (37.2) 99.3 (28.4) 93.7 (39.2) 0.49
 Concomitant procedure 20 (17.9) 2 (8.3) 18 (20.5) 0.24
  1. BMI body mass index, BSA body surface area, CHD coronary heart disease, DCM dilated cardiomyopathy, BTT bridge to transplant, BTC bridge to candidacy, DT destination therapy, BTR bridge to recovery, INTERMACS Interagency Registry for Mechanically Assisted Circulatory Support, LVEF left ventricular ejection fraction, CI cardiac index, PAP pulmonary artery pressure, CKD chronic kidney disease, COPD chronic obstructive pulmonary disease, PAD peripheral arterial disease, IABP intra-aortic balloon pump, ECLS extracorporeal life support, CPB cardiopulmonary bypass