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. 2024 Jul 8;110(10):6558–6572. doi: 10.1097/JS9.0000000000001849

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Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0/

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Temporal course of changes in reflectance of the gastric conduit (T1, T2, T3, T4). HSI color index pictures, StO₂ quantifications and respective spectra for the gastric conduit over the course of baseline (T1), after hemorrhage (T2), 60 min after intervention (T3) and 120 min after intervention (T4) stratified for interventional groups. A, HSI StO₂ color index pictures. B, StO₂ quantifications and respective spectra comparing groups. C, PCA visualizing the development from T2 to T4. D–E, StO₂ quantifications and respective L1-normalized reflectance spectra comparing timepoints stratified for interventional groups. Scale bar equals 5.