容積補償型連続血圧計測の高精度化を目指したサーボ目標値設定法の新提案
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概要
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Servo-control reference corresponding to arterial unloading volume (r_V<SUB>0</SUB>) is one of the most important parameters when measuring accurately blood pressure (BP) using the volume-compensation method (VCM). We proposed here a new method to set r_V<SUB>0</SUB> by adjusting it to yield approximately equalized values in systolic and diastolic BP that were determined by a pre-operation procedure of the tube-law based volume-oscillometric method. BP measurements at a finger were made in 10 volunteers by the VCM with r_V<SUB>0</SUB> settings of both the original (r_V<SUB>0</SUB>_org) and the new value (r_V<SUB>0</SUB>_prp), while measuring simultaneously brachial BP as a reference. Analyses revealed that r_V<SUB>0</SUB>_prp was higher than r_V<SUB>0</SUB>_org, and that the correlation coefficients between systolic/diastolic BP values using the r_V<SUB>0</SUB>_prp and the r_V<SUB>0</SUB>_org settings and those by the brachial BP measurements were 0.97 and 0.83, respectively. These results indicate the effectiveness of this setting method for more practical and accurate BP measurement by the VCM.
- 一般社団法人 日本生体医工学会の論文
一般社団法人 日本生体医工学会 | 論文
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