Table 1 Baseline characteristics (before matching)
From: The effect of posterior pericardiotomy after thoracic aortic surgery
Non-PP group (n = 113) | PP group (n = 88) | p value | |
|---|---|---|---|
Age | 67.6 ± 10.8 | 69.1 ± 12.6 | 0.37 |
Male sex | 66(58.4) | 45(51.1) | 0.37 |
Body mass index | 23.3 ± 3.8 | 23.9 ± 4.7 | 0.38 |
Hypertension | 83(73.4) | 62(70.4) | 0.75 |
Hyperlipidemia | 31(27.4) | 25(28.4) | 1.0 |
Diabetes mellitus | 6(5.3) | 7(7.9) | 0.64 |
CAD | 5(4.4) | 3(3.4) | 1.0 |
Cr (mg/dL) | 0.98 ± 0.93 | 0.91 ± 0.36 | 0.47 |
eGFR (mL/min./1.73m2) | 64.9 ± 21.3 | 63.1 ± 20.6 | 0.53 |
Hemodialysis | 2(1.7) | 0 | 0.59 |
LVEF(%) | 68.8 ± 4.9 | 68.0 ± 7.0 | 0.45 |
LAD(mm) | 36.2 ± 6.4 | 36.5 ± 7.9 | 0.81 |
Medication | |||
ACEI/ARB | 56(49.5) | 35(39.7) | 0.21 |
beta-blocker | 38(33.6) | 14(15.9) | 0.007 |
Ca blocker | 55(48.6) | 35(39.7) | 0.26 |
Etiology | |||
Dissection type A | 79(69.9) | 66(75.0) | 0.52 |
Dissection type B | 14(12.3) | 3(3.4) | 0.04 |
True aneurysm | 20(17.6) | 19(21.5) | 0.60 |
Elective | 59(52.2) | 28(31.8) | 0.005 |
Urgent | 9(7.9) | 16(18.1) | 0.04 |
Emergent | 45(39.8) | 44(50.0) | 0.19 |
Japan Score | |||
30 days operative mortality | 6.35 ± 5.46 | 6.01 ± 4.25 | 0.63 |
Euro score | 5.71 ± 5.10 | 6.71 ± 6.21 | 0.21 |
Procedure | |||
Ascending replacement | 48(42.4) | 45(51.1) | 0.28 |
TAR | 20(17.6) | 14(15.9) | 0.88 |
TAR + FET | 44(38.9) | 28(31.8) | 0.37 |
Other | 1(0.8) | 1(1.1) | 1.0 |
Operative data | |||
Duration(minutes) | |||
Operation | 395.9 ± 81.8 | 389.2 ± 82.4 | 0.56 |
Cardiopulmonary bypass | 232.6 ± 46.4 | 222.8 ± 49.9 | 0.15 |
Selective cerebral perfusion | 115.5 ± 57.3 | 111.5 ± 65.5 | 0.64 |
Circulatory arrest | 45.4 ± 17.9 | 45.6 ± 14.2 | 0.91 |
Cardiac arrest | 149.8 ± 27.2 | 148.5 ± 33.8 | 0.76 |
Blood loss (ml) | 1641.6 ± 922.1 | 1808.1 ± 1116.0 | 0.24 |
Transfusion(ml) | 2186.5 ± 940.2 | 2292.8 ± 1080.5 | 0.45 |
Minimum pharyngeal temp.(℃) | 24.5 ± 0.8 | 24.4 ± 0.5 | 0.17 |