Table 1.
Baseline characteristics of patients
| Characteristics | Control group (n = 150) | Filter group (n = 155) | P value |
|---|---|---|---|
| Age (years) | 3.1 ± 4.6 | 3.7 ± 5.5 | 0.29 |
| Weight (kg) | 13.1 ± 14.9 | 15.5 ± 18.8 | 0.21 |
| Sex (no.) | |||
| Male | 92 | 100 | 0.64 |
| Female | 58 | 55 | |
| Cardiac surgery-no. | |||
| No | 32 | 35 | |
| Yes | 118 | 120 | 0.58 |
| CHD with CPB | 102 | 101 | |
| Cardiac surgery | |||
| Preoperative cyanotic CHD (postoperative persistent) | |||
| Yes | 48 (10) | 45 (11) | |
| No | 70 (108) | 75 (109) | 0.69 (1.00) |
| Total-no. | 118 | 120 | |
| RACHS-1 | |||
| Risk category (no.) | |||
| 1 | 19 | 16 | |
| 2 | 45 | 53 | |
| 3 | 43 | 36 | |
| 4 | 4 | 10 | |
| 5 | 0 | 0 | |
| 6 | 4 | 4 | 0.40 |
| Total-no. | 115 | 119 | |
| CPB time (min) | 118.4 ± 62.2 | 113.9 ± 52.3 | 0.54 |
| Nadir blood temperature (C°) during CPB | 23.6 ± 5.4 | 24.0 ± 4.8 | 0.60 |
| Aortic XCT (min) | 47.9 ± 27.9 | 44.8 ± 26.7 | 0.43 |
| Total-no. | 95 | 95 | |
| Noncardiac surgery | |||
| Arrhythmia/conductive disorder | 5 | 6 | |
| Cardiomyopathy/myocarditis | 6 | 4 | |
| Cyanotic CHD | 7 | 9 | |
| Acyanotic CHD | |||
| Left-to-right shunt lesion | 1 | 3 | |
| Obstructive lesion | 6 | 6 | |
| Pulmonary arterial hypertension | 4 | 4 | |
| Others | 3 | 3 | |
| Total-no. | 32 | 35 | 0.95 |
Table shows allocation of patients to control and filter groups according to demographic characteristics, cardiac surgery and noncardiac surgery entities. None of the differences between the two groups were significant. Data are reported as mean ± SD, or as number (no.) of patients when indicated
RACHS-1 Risk Adjustment in Congenital Heart Surgery 1, CHD congenital heart disease, CPB cardiopulmonary bypass, Aortic XCT aortic cross-clamping time