Table 3 List of studies comparing OPCAB with CPB in elderly patients.
| Author, reference (year) | OPCAB/CPB | Exclusion criteria* | Matching criteria† | Criteria scoring‡ | Conversion | Definition of elderly (years) | Completeness of revascularisation (mean (SD) grafts/patient) | |
|---|---|---|---|---|---|---|---|---|
| OPCAB | CPB | |||||||
| Ricci15 (2001) | 483/1389 | 1, 3 | 2–4, 7–9, 11, 13–16 | 2 | 3 | >70 | 1.9 | 3.4 |
| Meharwal16 (2002) | 186/389 | 3, 4 | 1–8, 10–12, 14, 15 | 2 | ND | >70 | 2.9 (0.3) | 3.2 (0.4) |
| Hirose17 (2001) | 104/74 | ND | 1–10, 12–15 | 3 | ND | >75 | 2.4 (1.1) | 3.7 (1.0) |
| Al‐Ruzzeh18 (2001) | 56/87 | 2–4 | 1–4, 6–16 | 3 | ND | >75 | 2.71 (0.76) | 2.87 (0.57) |
| Koutlas19 (2000) | 53/220 | 3, 5 | 1–4, 6, 7, 12, 13, 15 | 1 | 3 | >75 | 1.5 (0.1) | 2.5 (0.1) |
| Demaria20 (2002) | 62/63 | ND | 1–11, 13–16 | 3 | ND | >80 | 2.6 (0.8) | 2.9 (0.7) |
| Beauford8 (2003) | 113/29 | ND | 1–4, 8, 9, 11–13, 15, 16 | 2 | ND | >80 | 3.3 (1.0) | ND |
| Hoff21 (2002) | 59/69 | 1, 2 | 1–3, 5, 7, 8, 13, 15, 16 | 1 | 0 | >80 | 2.6 | 3.6 |
| Lin9 (2003) | 12/17 | 3, 5 | 1–4, 6–9, 13, 15, 16 | 2 | ND | >80 | 3.1 (0.3) | 3.0 (0.14) |
| Boyd22 (1999) | 30/70 | ND | 1–3, 5, 6, 8, 13–15 | 1 | 0 | >70 | 1.7 (0.6) | 2.9 (0.9) |
| Ascione23 (2002) | 219/771 | ND | 2–5, 12, 15, 16 | 1 | 2 | >70 | 2.42 (0.84) | 3.01 (0.77) |
| D'Alfonso10 (2004) | 73/41 | ND | 1–4, 6–10, 13–15 | 2 | 3 | >80 | 2.7 (1.0) | 2.5 (0.8) |
| Shimokawa11 (2003) | 25/18 | 3 | 1–4, 7–10, 12–15 | 2 | 0 | >80 | 2.0 (1.0) | 2.8 (0.5) |
| Deuse12 (2003) | 53/66 | ND | 1–3, 6–8 | 1 | 3 | >75 | ND | ND |
*Exclusion criteria: 1, emergency operation; 2, minimally invasive direct coronary artery bypass grafting; 3, coronary grafting in combination with other cardiac surgical procedures; 4, <2 grafts; 5, repeat surgery; 6, catastrophic stage: unstable haemodynamic status or severe ischaemia that could not be stabilised with inotropes or intra‐aortic balloon pump.
†Matching criteria: 1, age; 2, sex; 3, diabetes; 4, hypertension; 5, repeat operation; 6, unstable angina; 7, history of pulmonary disease; 8, left ventricular function; 9, left main disease; 10, three‐vessel disease; 11, haemodynamic instability controlled by inotropes or intra‐aortic balloon pump; 12, non‐elective operation; 13, renal disease; 14, peripheral vascular disease; 15, cerebrovascular disease; 16, previous myocardial infarction.
‡Criteria scoring: 1, matched for 0–9 criteria; 2, matched for 10–13 criteria; 3, matched for 14–16 criteria.
CPB, cardiopulmonary bypass; ND, not documented; OPCAB, off‐pump coronary artery bypass.