Clinical Study
4-Year Outcome Analysis of Endoscopic Vein Harvesting for Coronary Artery Bypass Grafting
Table 1
Patient characteristics of endoscopic vein harvesting group versus open vein harvesting group in 1,991 unmatched cases.
| Preoperative
demographics | EVH group | OVH group | value | | (%) | (%) |
| | Age (years, mean ± SD) | 66.2 ± 10.3 | 66.4 ± 9.8 | 0.82 | | Sex (female) | 218 (28.2) | 317 (26) | 0.76 | | Diabetes | 297 (38.5) | 349 (28.7) | 0.03 | | Hypertension | 365 (47.3) | 596 (48.9) | 0.87 | | Hypercholesterolemia | 411 (53.2) | 525 (43.1) | 0.02 | | Smoking history | 496 (64.2) | 802 (65.8) | 0.81 | | PVD | 121 (15.7) | 115 (9.4) | 0.04 | | Previous stroke/TIA | 48 (6.2) | 89 (7.3) | 0.89 | | COPD | 136 (17.6) | 189 (15.5) | 0.73 | | Serum creatinine ≥ 200 µmol·L−1 | 56 (7.3) | 49 (4.0) | 0.04 | | Prior PCI | 112 (14.5) | 194 (15.9) | 0.71 | | Recent MI | 116 (15.0) | 196 (16.1) | 0.84 | | LVEF > 50% | 527 (68.3) | 901 (73.9) | 0.67 | | LVEF < 50% | 245 (31.7) | 318 (26.1) | 0.71 | | Elective | 514 (66.6) | 824 (67.6) | 0.87 | | Urgent | 258 (33.4) | 395 (32.4) | 0.84 | | Isolated CABG | 576 (74.6) | 869 (71.3) | 0.69 | | CABG + AVR | 111 (14.4) | 207 (17.0) | 0.56 | | CABG + MVR | 85 (11.0) | 143 (11.7) | 0.91 | | Single vessel | 96 (12.4) | 162 (13.3) | 0.84 | | Two vessels | 251 (32.5) | 380 (31.2) | 0.84 | | Three vessels | 425 (55.1) | 677 (55.5) | 0.98 | | Logistic EuroSCORE (mean ± SD) | 8.3 ± 8.4 | 8.6 ± 8.8 | 0.32 |
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AVR: aortic valve replacement; CABG: coronary artery bypass grafting; COPD: chronic obstructive pulmonary disease; EVH: endoscopic vein harvesting; LVEF: left ventricle ejection fraction; MI: myocardial infarction; MVR: mitral valve repair; OVH: open vein harvesting; PCI: percutaneous coronary intervention; PVD: peripheral vascular disease; SD: standard deviation; and TIA: transient ischemic attack.
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