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 |