Table 4.
BiVAD Patient Preimplant Characteristics
| Preimplant Characteristics | |
|---|---|
| Age (years), median (IQR) | 3.5 (1.3–9.3) |
| Male | 18 (58%) |
| Weight (kg) | |
| <5 | 3 (10%) |
| 5–10 | 8 (26%) |
| >10 | 20 (65%) |
| BSA (m2), median (IQR) | 0.6 (0.4–0.9) |
| Diagnosis | |
| Dilated cardiomyopathy | 17 (55%) |
| Myocarditis | 6 (19%) |
| Congenital heart disease | 3 (10%) |
| Other | 5 (16%) |
| Previous surgeries | 5 (16%) |
| Status before VAD | |
| INTERMACS profile 1 | 13 (42%) |
| INTERMACS profile 2 | 18 (58%) |
| ECMO support | 9 (29%) |
| Ventilator support | 25 (81%)* |
| GFR† (ml/min/1.73 m2), median (IQR) | 150 (108–203) |
| Renal impairment | |
| Normal: GFR > 99% predicted | 22 (71%) |
| Moderate: GFR 30–99% predicted | 9 (29%) |
| Severe: GFR < 30% predicted | 0 |
| Total bilirubin (mg/dl), median (IQR) | 0.7 (0.4–1.3) |
| Hepatic impairment | |
| Normal (<0.6) | 14 (45%) |
| Moderate (0.7–1.1) | 9 (29%) |
| Severe (≥1.2) | 8 (26%) |
*
Includes patients who were on ECMO.
†
Calculated based on the formula described by Schwartz et al.13
BiVAD, biventricular assist device; BSA, body surface area; GFR, glomerular filtration rate; INTERMACS, International Registry for Mechanically Assisted Circulatory Support; IQR, interquartile range.