Clinical Study
4-Year Outcome Analysis of Endoscopic Vein Harvesting for Coronary Artery Bypass Grafting
Table 2
Patient characteristics of endoscopic vein harvesting group versus open vein harvesting group in 1,544 matched cases.
| Preoperative
demographics | EVH group | OVH group | value | | (%) | (%) |
| | Age (years, mean ± SD) | 66.2 ± 10.3 | 66.0 ± 10.2 | 0.78 | | Sex (female) | 218 (28.2) | 229 (29.7) | 0.81 | | Diabetes | 297 (38.5) | 302 (39.1) | 0.76 | | Hypertension | 365 (47.3) | 381 (49.4) | 0.78 | | Hypercholesterolemia | 411 (53.2) | 406 (52.6) | 0.81 | | Smoking history | 496 (64.2) | 501 (64.9) | 0.89 | | PVD | 121 (15.7) | 101 (13.1) | 0.67 | | Previous stroke/TIA | 48 (6.2) | 51 (6.6) | 0.89 | | COPD | 136 (17.6) | 119 (15.4) | 0.54 | | Serum creatinine ≥ 200 µmol·L−1 | 56 (7.3) | 42 (5.4) | 0.31 | | Prior PCI | 112 (14.5) | 121 (15.7) | 0.67 | | Recent MI | 116 (15.0) | 122 (15.8) | 0.71 | | LVEF > 50% | 527 (68.3) | 549 (71.1) | 0.64 | | LVEF < 50% | 245 (31.7) | 236 (30.6) | 0.81 | | Elective | 514 (66.6) | 529 (68.5) | 0.67 | | Urgent | 258 (33.4) | 267 (34.6) | 0.69 | | Isolated CABG | 576 (74.6) | 581 (72.3) | 0.54 | | CABG + AVR | 111 (14.4) | 121 (15.7) | 0.61 | | CABG + MVR* | 85 (11.0) | 89 (11.5) | 0.93 | | Single vessel | 96 (12.4) | 97 (12.6) | 0.91 | | Two vessels | 251 (32.5) | 257 (33.3) | 0.81 | | Three vessels | 425 (55.1) | 418 (54.1) | 0.79 | | Logistic EuroSCORE (mean ± SD) | 8.3 ± 8.4 | 8.5 ± 8.6 | 0.54 |
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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.
*Includes 27 versus 33 mitral valve replacements.
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