Table 5
Compares clinical condition and echocardiographic findings when the two groups of babies were off the ventilator and in less than 30% oxygen. Figures are median (range) or numbers (per cent)
| Respiratory group (n=12) | PPHN group (n=10) | p Value | |
|---|---|---|---|
| Postnatal age (h) | 146 (79–329) | 210 (58–602) | |
| FIO2 | 0.21 (0.21–0.3) | 0.21 (0.21–0.28 | |
| Pulmonary Artery Pressure | |||
| TPV:RVET | 0.36 (0.26–0.44) | 0.37 (0.23–0.45) | |
| SPAP (mm Hg) | 35 (25–37) (n=3) | 44 (25–66) (n=4) | |
| Ductal shunting | |||
| Ductus closed | 12 (100%) | 7 (70%) | 0.003 |
| Left to right shunt | N/A | 2 (20%) | |
| Bidirectional shunt | N/A | 1 (10%) | |
| Diameter of PDA’s (mm) | N\A | 1.5 (0.8–1.6) | |
| Ventricular function and outputs | |||
| LV fractional shortening | 30 (21–40) | 25 (20–47) | 0.8 |
| RV output ml/kg/min | 237 (176–342) | 193 (121–491) | 0.16 |
| LV output ml/kg/min | 240 (178–403) | 194 (128–320) | 0.77 |
| RV or LV output <150 | 0% | 30% | 0.13 |
| Atrial shunting | |||
| No shunt | 5 (41%) | 5 (50%) | |
| Left to right shunt | 3 (25%) | 3 (30%) | |
| Bidirectional shunt | 4 (34%) | 2 (20%) | |
| R-L shunt/cardiac cycle | 0.28 (0.25–0.42) | 0.22 (0.25–0.42) | |
| Atrial shunt diameter (mm) | 3.35 (1.5–6.5) | 3.9 (1.1–5.3) | 0.78 |
