Table 1 Baseline characteristics of 261 patients underwent a Fontan completion
From: Impact of older age at Fontan completion on mid-term survival
Variable | Age ≤ 6 years (n = 139) | Age > 6 years (n = 122) | p value |
|---|---|---|---|
Sex | 0.964 | ||
Female (n = 113) | 60 (43.2%) | 53 (43.4%) | |
Male (n = 148) | 79 (56.8%) | 69 (56.6%) | |
Systemic ventricle morphology | 0.084 | ||
LV morphology (n = 122) | 58 (41.7%) | 64 (52.5%) | |
RV morphology (n = 139) | 81 (58.3%) | 58 (41.7%) | |
mPAP (mmHg) [range] | 10 [4–16] | 11 [4–18] | 0.275 |
LVEDP (mmHg) [range] | 10 [4–17] | 10 [3–16] | 0.448 |
Preoperative saturation (%) [range] | 81 [53–98] | 79 [60–98] | 0.029* |
≤ 80% (n = 135) | 64 (46%) | 71 (58.2%) | 0.050 |
> 80% (n = 126) | 75 (54%) | 51 (41.8%) | |
Type of pulmonary blood flow | 0.117 | ||
Restricted PBF (n = 189) | 95 (68.3%) | 94 (77%) | |
Unrestricted PBF (n = 72) | 44 (31.7%) | 28 (23.0%) | |
AV valve regurgitation | 0.486 | ||
Yes (n = 34) | 20 (14.4%) | 14 (11.5%) | |
No (n = 227) | 119 (85.6%) | 108 (88.5%) | |
Prior BCPS procedure | 0.253 | ||
Primary Fontan (n = 34) | 15 (10.8%) | 19 (15.6%) | |
Staging Fontan (BCPS) (n = 227) | 124 (89.2%) | 103 (84.4%) | |
Duration between BCPS and Fontan (years) | 2 (1–5) | 5 (0–17) | < 0.001* |
≤ 3 years (n = 166) | 92 (66.2%) | 74 (60.7%) | < 0.001* |
> 3 years (n = 95) | 47 (33.8%) | 48 (39.3%) | |
Intraoperative factors | |||
Type of Fontan connection | 0.396 | ||
LT (n = 14) | 9 (6.5%) | 5 (4.1%) | |
ECC (n = 247) | 130 (93.5%) | 117 (95.9%) | |
Fenestration | 0.086 | ||
Yes (n = 181) | 90 (64.7%) | 91 (74.6%) | |
No (n = 80) | 49 (35.3%) | 31 (25.4%) | |
Duration of AoX (minutes) [range] | 0 (0–198) | 25 (0–131) | 0.001* |
Duration of CPB (minutes) [range] | 107 (36–340) | 136 (28–543) | < 0.001* |
CPB ≤ 120 min (n = 128) | 85 (61%) | 43 (35%) | < 0.001* |
CPB > 120 min (n = 133) | 54 (39%) | 79 (65%) | |
Postoperative factors | |||
Length of stay (days) [range] | 15 (6–86) | 14,5 (6–97) | 0.588 |
LOS ≤ 15 days | 70 (50.4%) | 67 (54.9%) | 0.463 |
LOS > 15 days | 69 (49.6%) | 55 (45.1%) | |
Duration of Fontan circulation (years) | 0.355 | ||
0–3 years | 92 (66.2%) | 74 (60.7%) | |
> 3 years | 47 (33.8%) | 48 (39.3%) | |