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자료유형
학술저널
저자정보
In-Cheol Jeong (Yonsei University) Yoo-Nah Choi (Johnson and Johnson Medical Korea) Hyung-Ro Yoon (Yonsei University)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.2 No.1
발행연도
2007.3
수록면
136 - 141 (6page)

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The Purpose Of This Paper Is To Use A Tactile Sensor To Compensate The Error Rate. Most Automated Sphygmomanometers Use The Oscillometric Method And Characteristic Ratio To Estimate Systolic And Diastolic Blood Pressure. However, Based On The Fact That Maximum Amplitude Of The Oscillometric Waveform And Characteristic Ratio Are Affected By Compliance Of The Aorta And Large Arteries, A Method To Measure The Artery Stiffness By Using A Tactile Sensor Was Chosen In Order To Integrate It With The Sphygmomanometer In The Future Instead Of Using Photoplethysmography. Since Tactile Sensors Have Very Weak Movements, Efforts Were Made To Maintain The Subject's Arm In A Fixed Position, And A 40hz Low Pass Filter Was Used To Eliminate Noise From The Power Source As Well As High Frequency Noise. An Analyzing Program Was Made To Get Time Delay Between The First And Second Peak Of The Averaged Digital Volume Pulse (Δt<SUB>dvp</SUB>), And The Subject's Height Was Divided By Δt<SUB>dvp</SUB> To Calculate The Stiffness Index Of The Arteries (Si<SUB>dvp</SUB>). Regression Equations Of Systolic And Diastolic Pressure Using Si<SUB>dvp</SUB> And Mean Arterial Pressure (Map) Were Computed From The Test Group (60 Subjects) Among A Total Of 121 Subjects (Age: 44.9±16.5, Male: Female = 40:81) And Were Tested In 61 Subjects To Compensate The Error Rate. Error Rates Considering All Subjects Were Systolic 4.62±9.39㎜hg, And Diastolic 14.40±9.62㎜hg, And Those In The Test Set Were 3.48±9.32㎜hg, And 14.34±9.67㎜hg Each. Consequently, Error Rates Were Compensated Especially In Diastolic Pressure Using Si<SUB>dvp</SUB>, Various Slopes From Digital Volume Pulse And Map To Systolic - 1.91±7.57㎜hg And Diastolic 0.05±7.49㎜hg.

목차

Abstract
1. Introduction
2. Methods
3. Results
4. Conclusions
Acknowledgment
References

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