Table 3. Operative characteristics and early outcomes in unmatched cohorts.
TAR (n = 187) | ACVB (n = 158) | ||||
---|---|---|---|---|---|
Mean | SD | Mean | SD | P value | |
Operation time (min) | 183 | 29.2 | 200 | 61.8 | 0.002 |
Bypass time (min) | 67.3 | 17.6 | 97.1 | 45 | <0.001 |
Cross-clamp time | 40.5 | 12 | 50.9 | 17.7 | <0.001 |
Peripheral anastomoses (count) | 3.29 | 0.7 | 3.62 | 0.75 | <0.001 |
Ventilation time (h) | 20.5 | 86.8 | 23.9 | 37.1 | <0.001 |
Stay on ICU (days) | 1.73 | 4.11 | 2.16 | 2.46 | <0.001 |
Total hospital stay (days) | 13.5 | 7.39 | 15.1 | 7.48 | 0.044 |
Follow-up time (years) | 13.1 | 0.86 | 13.6 | 0.15 | <0.001 |
n | (%) | n | (%) | P value | |
Conduits used | |||||
Venous | |||||
1 | 0 | 0 | 9 | 5.7 | <0.001 |
2 | 0 | 0 | 128 | 81 | <0.001 |
3 | 0 | 0 | 21 | 13.3 | <0.001 |
Arterial | |||||
1 | 0 | 0 | 158 | 100 | <0.001 |
2 | 187 | 100 | 0 | 0 | <0.001 |
Harvested grafts | |||||
LITA | 187 | 100 | 156 | 93.7 | <0.001 |
RITA | 0 | 0 | 2 | 1.3 | <0.001 |
RA | 187 | 100 | 0 | 0 | <0.001 |
SV | 0 | 0 | 158 | 100 | <0.001 |
Conduits to | |||||
LAD | 185 | 98.9 | 154 | 97.5 | 0.419 |
Diagonal | 86 | 46 | 84 | 53.2 | 0.196 |
RCx | 4 | 2.1 | 2 | 1.3 | 0.691 |
PLA1 | 128 | 68.4 | 124 | 78.5 | 0.039 |
PLA2 | 41 | 21.9 | 33 | 20.9 | 0.895 |
PLA3 | 3 | 1.6 | 8 | 5.1 | 0.121 |
RIM | 20 | 10.7 | 23 | 14.6 | 0.327 |
RCA | 5 | 2.7 | 19 | 12 | <0.001 |
RPLA | 27 | 14.4 | 21 | 13.3 | 0.876 |
RIVP | 113 | 60.4 | 97 | 61.4 | 0.912 |
SAE | |||||
Cardiopulmonary resuscitation | 5 | 2.7 | 4 | 2.5 | 1.000 |
Myocardial infarction | 3 | 1.6 | 3 | 1.9 | 1.000 |
Low cardiac output | 3 | 1.6 | 9 | 5.7 | 0.073 |
Neurological complications | 8 | 4.3 | 4 | 2.5 | 0.557 |
Renal failure | |||||
GFR (ml/min) <60 | 16 | 8.6 | 40 | 26.3 | <0.001 |
GFR (mL/min) <30 | 2 | 1.1 | 14 | 9.2 | <0.001 |
Deep sternal infection | 1 | 0.5 | 5 | 3.2 | 0.097 |
Harvesting site infection | 2 | 1.1 | 7 | 4.4 | 0.086 |
Prolonged ventilation (>48 h) | 5 | 2.7 | 6 | 3.8 | 0.557 |
Post-OP death within 30 days | 0 | 0 | 7 | 4.5 | 0.004 |
ACVB: combined arterial and venous revascularization; GFR: glomerular filtration rate; ICU: intensive care unit; LAD: left anterior descending; LITA: left internal thoracic artery; PLA: posterior lateral branch; RA: radial artery; RCA: right coronary artery; RCx: left circumflex; RIM: ramus intermedius; RITA: right internal thoracic artery; RIVP: right posterior descending; RPLA: right posterior lateral branch; SAE: serious adverse event; SD: standard deviation; SV: saphenous vein; TAR: total arterial revascularization