From: A modified physiologic test for bronchopulmonary dysplasia: a clinical tool for weaning from CPAP and/or oxygen-therapy the premature babies?
Cause of failure
Baseline (N 3)
Challenge (N 10)
Post-test (N 4)
Apnea
0
1
Bradycardia
SpO2 80–90% with TcPO2 < 50 mmHg for 5’
4
SpO2 < 80% for 1’
2
6