Table 1.
Pediatric subjects characteristics
| Characteristics | NF | F | F-LVAD |
|---|---|---|---|
| Number in cohort | 16 | 20 | 11 |
| Male, n (%) | 9 (56) | 10 (50) (P=0.7) | 6 (54) (P=0.9) |
| Mean age at tissue collection (years) | 11 ± 5 | 6 ± 6 (P=0.01) | 7 ± 6 (P=0.08) |
| Mean days on LVAD (range) | 71(12–210) | ||
| Type of LVAD (n) | Berlin Heart (8) Thoratec LVAD (1) Pedimag (1) Heartware HVAD (1) |
||
| Mean EF ±SD (%) | 49 ±15 | 18 ± 8 (P=0.0004) | |
| Milrinone, n (%) | 10 (50) | 3 (19) | |
| PDE5 inhibitor, n (%)* | 4 (36) | ||
| Beta-blocker, n (%) | 2 (13) | 4 (20) | 4 (36) |
| ACE inhibitor, n (%) | 18 (90) | 3 (27) | |
| Non-PDEi Inotrope, n (%)† | 9 (56) | 3 (15) | 1 (9) |
NF, non-failing; F, Failing; F-LVAD, failing patients treated with an LVAD; M, male; EF, ejection fraction; SD, standard deviation; PDE, phosphodiesterase; PDEi, phosphodiesterase inhibitor and ACE, angiotensin-converting enzyme.
PDE5 inhibitor, sildenafil or tadalafil.
Non-PDEi Inotropes include: dopamine, dobutamine, epinephrine, & norepinephrine. P-values are compared to non-failing.