Table 1.
Comparison of the CMRO2 obtained from this study with previous reports.
| Study | Method | Number of subjects | Gestational age (weeks) | Subject condition | Yv (%) | CBF (ml/100g/min) | CMRO2 (μmol/100g/min) |
|---|---|---|---|---|---|---|---|
| Skov et al, 1993 (9) | NIRS | 32 | 26 – 39 | Asphyxiated; RDS | 53.44±15.36 (preterm) 67.30±9.38 (term) |
12.6±6.4 (preterm) 26.5±17.9 (term) |
44.7±17.9 (preterm) 62.6±35.8 (term) |
| Altman et al, 1993 (32) | PET | 11 | 26 – 41 | HIE and other conditions | - | 21.6±21.0 | 21.4±16.4 |
| Yoxall and weindling, 1998 (10) | NIRS | 20 | 24 – 41 | Seizure and other conditions | 64.6 (76.1 – 46.8) | 9.3 (4.5 – 28.3) | 23.1 (8.6 – 78.5) |
| Elwell et all, 2005 (8) | NIRS | 9 | 23 – 37 | Ventilatory support | - | - | 45.9±12.3 |
| This study | MRI | 12 | 35 – 42 | Healthy | 62.6±8.3 | 13.4±4.2 | 38.3±17.7 |
NIRS - near infrared spectroscopy.
PET - positron emission tomography.
MRI - magnetic resonance imaging.
RDS – Respiratory distress syndrome
HIE – Hypoxic-ischemic encephalopathy