Evaluation of endoscopic visible light spectroscopy: comparison with microvascular oxygen tension measurements in a porcine model.
Rinse UbbinkLouisa J D van DijkDesirée van NoordTanja JohannesPatricia A C SpechtMarco J BrunoEgbert G MikPublished in: Journal of translational medicine (2019)
These results suggest that VLS measures the mixed venous oxygen saturation rather than mucosal capillary hemoglobin oxygen saturation. Further research is needed to establish if the mixed venous compartment is optimal to assess gastrointestinal ischemia.