Introduction
Patients and methods
Study population
n = 152 | n = 119 | ||
---|---|---|---|
Patient characteristics | No open anastomosis 56.1% | Open anastomosis 43.9% | p |
Gender (female) (%) | 35 (23) | 25 (21) | 0.77 |
Age (years) at operation (IQR) | 64 (56–73) | 60 (53–69) | 0.02 |
BMI (IQR) | 25.9 (23.8–28.7) | 26.2 (24.1–29.0) | 0.50 |
Arterial hypertension (%) | 96 (63) | 77 (65) | 0.80 |
Nicotin (%) | 69 (45) | 60 (50) | 0.50 |
COPD/Asthma (%) | 11 (7) | 6 (5) | 0.62 |
Peripheral arterial occlusive disease (%) | 12 (8) | 6 (5) | 0.46 |
Dyslipidemia (%) | 69 (45) | 40 (34) | 0.06 |
Stroke (without/with residuum) (%) | 8 (5) / 8 (5) | 5 (4) /4 (3) | 0.73 |
Previous myocardial infarction (%) | 7 (5) | 0 (0) | 0.02 |
Previous cardiac operation (%) | 36 (24) | 8 (7) | 0.0002 |
Urgency | |||
Elective (%) | 121 (80) | 96 (81) | 0.06 |
Urgent (%) | 22 (14) | 9 (8) | |
Emergency (%) | 9 (6) | 14 (11) | |
Ejection fraction (%) | |||
- 1 (≥50%) | 120 (79) | 92 (77) | 0.69 |
- 2 (49–30%) | 26 (17) | 24 (20) | |
- 3 (≤29%) | 6 (4) | 3 (3) |
Surgical technique: freestyle® implantation and open arch anastomosis
Statistical analysis
Results
Patient characteristics
Intraoperative parameters
Open anastomosis (+ascending aorta) (OA) n = 90 | Root replacement (+ascending aorta)a (non-OA) n = 23 | Stand-alone root replacement (non-OA) n = 78 | p | |
---|---|---|---|---|
Cannulation Site | axillary (n = 90) | central (n = 14) axillary (n = 9) | central (n = 49) axillary (n = 29) | |
CBP time | 116 (105–135) | 131 (116–135) | 130 (104–152) | 0.02b |
Crossclamp time | 88 (77–102) | 95 (89–120) | 87 (73–112) | 0.08c |
Total duration of OP | 250 (219–285) | 250 (220–300) | 251 (210–335) | 0.58 |