対数線形化末梢血管粘弾性モデルを用いたパルス電流刺激に対する交感神経活動評価

概要

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This study proposes a novel method to assess the sympathetic activity based on the log-linearized peripheral arterial viscoelastic model. The arterial stiffness included in the model was calculated from the measured electrocardiogram, continuous left radial arterial pressure, and left second finger photo-plethysmogram while applying the triangular pulse current to the right forearm. Additionally, the self-reported numeric rating scale (NRS) was compared with the estimated stiffness. As results of four subjects, the relation between the stiffness and the NRS was approximated by the sigmoid function. The result thus showed the proposed method has a potential to assess a pain objectively.
一般社団法人日本生体医工学会の論文