The use of oxygen reserve index in one-lung ventilation and its impact on peripheral oxygen saturation, perfusion index and, pleth variability index

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dc.authoridkaramustafaoglu, yekta altemur/0000-0002-5491-1219
dc.authoridsagiroglu, gonul/0000-0002-1189-4973
dc.authorwosidkaramustafaoglu, yekta altemur/S-9512-2019
dc.authorwosidBaysal, Ayse/AAR-8769-2021
dc.contributor.authorSagiroglu, Gonul
dc.contributor.authorBaysal, Ayse
dc.contributor.authorKaramustafaoglu, Yekta Altemur
dc.date.accessioned2024-06-12T11:09:34Z
dc.date.available2024-06-12T11:09:34Z
dc.date.issued2021
dc.departmentTrakya Üniversitesien_US
dc.description.abstractBackground Our goal is to investigate the use of the oxygen reserve index (ORi) to detect hypoxemia and its relation with parameters such as; peripheral oxygen saturation, perfusion index (PI), and pleth variability index (PVI) during one-lung ventilation (OLV). Methods Fifty patients undergoing general anesthesia and OLV for elective thoracic surgeries were enrolled in an observational cohort study in a tertiary care teaching hospital. All patients required OLV after a left-sided double-lumen tube insertion during intubation. The definition of hypoxemia during OLV is a peripheral oxygen saturation (SpO2) value of less than 95%, while the inspired oxygen fraction (FiO2) is higher than 50% on a pulse oximetry device. ORi, pulse oximetry, PI, and PVI values were measured continuously. Sensitivity, specificity, positive and negative predictive values, likelihood ratios, and accuracy were calculated for ORi values equal to zero in different time points during surgery to predict hypoxemia. At Clinicaltrials.gov registry, the Registration ID is NCT05050552. Results Hypoxemia was observed in 19 patients (38%). The accuracy for predicting hypoxemia during anesthesia induction at ORi value equals zero at 5 min after intubation in the supine position (DS5) showed a sensitivity of 92.3% (95% CI 84.9-99.6), specificity of 81.1% (95% CI 70.2-91.9), and an accuracy of 84.0% (95% CI 73.8-94.2). For predicting hypoxemia, ORi equals zero show good sensitivity, specificity, and statistical accuracy values for time points of DS5 until OLV30 where the sensitivity of 43.8%, specificity of 64%, and an accuracy of 56.1% were recorded. ORi and SpO2 correlation was found at DS5, 5 min after lateral position with two-lung ventilation (DL5) and at 10 min after OLV (OLV10) (p = 0.044, p = 0.039, p = 0.011, respectively). Time-dependent correlations also showed that; at a time point of DS5, ORi has a significant negative correlation with PI whereas, no correlations with PVI were noted. Conclusions During the use of OLV for thoracic surgeries, from 5 min after intubation (DS5) up to 30 min after the start of OLV, ORi provides valuable information in predicting hypoxemia defined as SpO2 less than 95% on pulse oximeter at FiO2 higher than 50%.en_US
dc.description.sponsorshipAnesthesiology and Reanimation Department of Trakya University Trakya School of Medicine Hospital, Edirne, Turkeyen_US
dc.description.sponsorshipThe authors received no financial support for the research and/or authorship of this article. This study was done solely by the funding of in Anesthesiology and Reanimation Department of Trakya University Trakya School of Medicine Hospital, Edirne, Turkey.en_US
dc.identifier.doi10.1186/s12871-021-01539-8
dc.identifier.issn1471-2253
dc.identifier.issue1en_US
dc.identifier.pmid34930139en_US
dc.identifier.scopus2-s2.0-85121448887en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1186/s12871-021-01539-8
dc.identifier.urihttps://hdl.handle.net/20.500.14551/22868
dc.identifier.volume21en_US
dc.identifier.wosWOS:000732933800001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherBmcen_US
dc.relation.ispartofBmc Anesthesiologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectOne Lung Ventilationen_US
dc.subjectHypoxemiaen_US
dc.subjectOxygen Reserve Indexen_US
dc.subjectPerfusion Indexen_US
dc.subjectPleth Variability Indexen_US
dc.subjectHypoxemiaen_US
dc.subjectAnesthesiaen_US
dc.subjectHypotensionen_US
dc.titleThe use of oxygen reserve index in one-lung ventilation and its impact on peripheral oxygen saturation, perfusion index and, pleth variability indexen_US
dc.typeArticleen_US

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