Table 3:
Operative characteristics of AD-A patients
| Males, pooled estimate (95% CI) | Females, pooled estimate (95% CI) | OR/SMD (95% CI) | P-value | Studies reported | I 2 (%) | |
|---|---|---|---|---|---|---|
| Isolated supracoronary ascending aortic replacement (%) | 43.3 (25.2–74.5) | 53.0 (34.3–81.9) | 0.70 (0.58–0.84)a | <0.001 | 3 | 36.1 |
| Bentall procedure (%) | 23.8 (19.8–28.7) | 17.3 (15.4–19.4) | 1.49 (1.19–1.86)a | <0.001 | 5 | 30.0 |
| David procedure (%) | 5.33 (3.18–8.93) | 3.19 (2.22–4.58) | 1.95 (1.31–2.91)a | 0.001 | 4 | 15.5 |
| Aortic valve repair or replacement (%) | 10.8 (4.18–28.1) | 9.50 (5.58–16.2) | 1.36 (0.87–2.11)a | 0.174 | 2 | 0.0 |
| Aortic valve replacement (%) | 11.0 (6.37–19.0) | 8.95 (4.34–18.5) | 1.54 (1.05–2.26)a | 0.028 | 4 | 0.0 |
| Total arch replacement (%) | 13.4 (7.26–24.9) | 8.91 (5.71–13.9) | 1.76 (1.09–2.84)a | 0.021 | 6 | 79.9 |
| Concomitant CABG (%) | 10.9 (7.94–14.9) | 9.95 (7.26–13.6) | 1.08 (0.65–1.81)a | 0.772 | 5 | 45.8 |
| Total operation time (min), mean | 321.6 (289.0–357.8) | 271.0 (226.9–323.7) | 0.29 (0.17–0.41)b | <0.001 | 6 | 69.5 |
| Cardiopulmonary bypass time (min), mean | 173.2 (148.2–202.4) | 161.3 (135.7–191.6) | 0.19 (0.13–0.24)b | <0.001 | 7 | 0.0 |
| Aortic cross-clamp time (min), mean | 104.0 (97.8–110.5) | 91.2 (84.3–98.6) | 0.25 (0.11–0.39)b | <0.001 | 6 | 73.1 |
| DHCA/circulatory arrest time (min), mean | 28.6 (25.1–32.6) | 28.4 (26.1–31.0) | 0.07 (−0.06 to 0.19)b | 0.293 | 6 | 62.3 |
a OR. b SMD.
AD-A: acute type A aortic dissection; CABG: coronary artery bypass graft; CI: confidence interval; DHCA: deep hypothermic circulatory arrest; OR: odds ratio; SMD: standardized mean difference.