ArticleJA clinical reports2025
Relationship between the updated oxygen reserve index and arterial partial pressure of oxygen: a prospective observational study.
Article in JA clinical reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThe oxygen reserve index (ORi™), a non-invasive variable that continuously reflects oxygenation, was first reported in 2016. With the 2018 update of ORi, the scaling between 0.00 and 1.00 was modified. This article provides a follow-up report on the relationship between the updated ORi and arterial partial pressure of oxygen (PaO
methodsThe updated ORi version analyzed in the present study used a Revision M sensor. Twenty adult patients who were scheduled for surgery under general anesthesia with arterial catheterization were enrolled. After induction of general anesthesia, arterial blood gas analysis was performed with the fraction of inspiratory oxygen (FiO
resultsSeventy-six datasets from the 20 patients were analyzed. When PaO
conclusionAlthough the original and updated versions of ORi demonstrate similar properties regarding their ability to track PaO
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