Abstract
Multichannel near-infrared spectroscopy (NIRS) could detect change in the regional cerebral oxygenation by following animated pictures of oxy-hemoglobin (OxyHb), deoxy-hemoglobin (DeoxyHb) and total hemoglobin in operations for three surgical cases of thoracic aortic aneurysm with selective cerebral perfusion (SCP). Simultaneously measured jugular venous oxygen saturation (SjO2) showed no change in parallel to OxyHb or DeoxyHb of NIRS. It was concluded that SjO2 represented the entire rather than the local findings of the cerebral oxidative metabolism. Assessment of the intra cranial oxidative metabolism using a multichannel NIRS provided real-time information about the efficacy of SCP, while SjO2 had a comprehensive limited value. The animation enabled the detection of regional hypoperfusion visually and instantly during SCP. This multichannel NIRS was a new real-time monitoring method and was useful to prevent cerebral neurological complication due to hypoperfusion during SCP.
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Shingu, Y., Myojin, K., Ishibashi, Y. et al. Real-time cerebral monitoring using multichannel near-infrared spectroscopy in total arch replacement. Jpn J Thorac Caridovasc Surg 51, 154–157 (2003). https://doi.org/10.1007/s11748-003-0052-1
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DOI: https://doi.org/10.1007/s11748-003-0052-1