Does pulse oximetry accurately monitor a patient's ventilation during sedated endoscopy under oxygen supplementation?

H Arakawa, M Kaise, K Sumiyama, S Saito, T Suzuki, H Tajiri
2013 Singapore medical journal  
CONCLUSION SpO2 alone is not adequate for monitoring alveolar ventilation during sedated endoscopy under oxygen supplementation due to possible delays in detecting alveolar hypoventilation in patients. Even if SpO2 decreases by only 1% during the procedure and its level remains near 100%, physicians should consider the onset of severe alveolar hypoventilation, which requires immediate intervention.
doi:10.11622/smedj.2013075 pmid:23624448 fatcat:d42afzivsfgt5ias6r7hzxymmy