Near-infrared Spectroscopy (NIRS) is a noninvasive technique to monitor tissue oxygenation dynamics and microcirculation. Because of the advantage, sepsis has been investigated with NIRS for many years including severe sepsis and sepsis shock. However, it is necessary to involve a physical method, which is often venous occlusion to change hemodynamics. There are some drawbacks of vessel-occlusion method that include skin contact, uncomfortable and microcirculation block of patients. In order to improve the user experience from venous occlusion, we developed a new method which is far-infrared illumination. In this study, we investigated sepsis patient with far-infrared illumination and NIRS. The result release that this method could recognize severe sepsis and sepsis shock with good user experience. We hope this method can be used for clinical diagnosis of other peripheral arterial disease.
Kuei Hung Chuang and Chia-Wei Sun, "Investigation of oxygenation dynamics of sepsis patient using far-infrared intervention with near-infrared spectroscopy measurement (Conference Presentation)," Proc. SPIE 9698, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XIV, 96980Y (Presented at SPIE BiOS: February 16, 2016; Published: 4 October 2017); https://doi.org/10.1117/12.2212679.4828055427001.
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