|
| RVO diameter | RVO flow velocity | Angle correction | Time after birth | RVO (mL/kg/min) |
Preterm infants | Term infants |
| Mean | SD | | Mean | SD |
|
Takenaka et al., 1987 [27] | not done | RVOT 2D guided PW doppler parasternal short axis | no | 24 hours | | | | | | |
|
Sholler et al., 1987 [28] | Pulmonary annulus at end systole in 2D parasternal short axis | RVOT 2D guided PW doppler parasternal short axis | no | 14 days | | | | 25 | 310 | 70 |
|
Shiraishi et al., 1988 [29] | Pulmonary artery M mode leading edge parasternal long axis | RVOT 2D guided PW doppler parasternal short axis | no | 1-2 days | | | | 10 | 200 | |
|
Walther et al., 1990 [18] | mean systolic diameter of the Pulmonary artery | RVOT 2D guided PW doppler parasternal short axis | no | unknown | 26 | 254 | 48 | 16 | 254 | 48 |
|
Evans et al., 1996 [7] | Pulmonary annulus at end systole in 2D sagittal view | RVOT 2D guided PW doppler sagittal view | no | 24 hours | 19 | 202# | 71 | | | |
|
Evans and Kluckow, 1996 [7] | Pulmonary annulus at end systole in 2D sagittal view | RVOT 2D guided PW doppler sagittal view | no | 4 days | 20 | 287# | 60 | | | |
|
Yanowitz et al., 1999 [30] | Pulmonary annulus at end systole in 2D parasternal short axis | RVOT 2D guided PW doppler parasternal short axis | no | 24 hours | 20 | 355 | 40 | | | |
|
Yanowitz et al., 1999 [30] | Pulmonary annulus at end systole in 2D parasternal short axis | RVOT 2D guided PW doppler parasternal short axis | no | 7 days | 20 | 450 | 50 | | | |
|
Tsai-Goodman et al., 2001 [22] | Pulmonary annulus at end systole in 2D parasternal short axis | RVOT 2D guided PW doppler parasternal short axis | no | 24 hours | 10 | 255 | | 16 | 255 | |
|
Groves et al., 2008 [24] | Pulmonary annulus at end systole in 2D parasternal short axis | RVOT 2D guided PW doppler parasternal short axis | no | 24 hours | 80 | 400 | 90 | | | |
|
Sloot et al., 2010 [25] | Pulmonary annulus at end systole in 2D sagittal view | RVOT 2D guided PW doppler sagittal view | no | 7 days | 57 | 429 | 116 | | | |
|