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An Automatic Control System of the Blood Pressure of Patients Under Surgical Operation  

Furutani, Eiko (Department of Electrical Engineering, Kyoto University)
Araki, Mituhiko (Department of Electrical Engineering, Kyoto University)
Kan, Shugen (Garaduate School of Medicine, Kyoto University)
Aung, Tun (Institute of Medical Science, Tokai University)
Onodera, Hisashi (Garaduate School of Medicine, Kyoto University)
Imamura, Masayuki (Garaduate School of Medicine, Kyoto University)
Shirakami, Gotaro (Garaduate School of Medicine, Kyoto University)
Maetani, Shunzo (Tenri Institute of Medical Research)
Publication Information
International Journal of Control, Automation, and Systems / v.2, no.1, 2004 , pp. 39-54 More about this Journal
Abstract
We developed an automatic blood pressure control system to maintain the blood pressure of patients at a substantially low level during a surgical operation. The developed system discharges two functions, continuous feedback control of the mean arterial pressure (MAP) by a state-predictive servo controller and risk control based on the inference by fuzzy-like logics and rules using measured data. Twenty-eight clinical applications were made beginning in November 1995, and the effects of the automatic blood pressure control on the operation time and on bleeding were assessed affirmatively by means of Wilcoxon testing. This paper essentially reports the engineering details of the control system.
Keywords
Blood pressure control; clinical application; hypotensive anesthesia; risk control; state-predictive servo system.;
Citations & Related Records

Times Cited By Web Of Science : 8  (Related Records In Web of Science)
Times Cited By SCOPUS : 11
연도 인용수 순위
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[ C. Yu;R. J. Roy;H. Kaufman;B. W. Bequette ] / IEEE Trans. on Biomed. Eng.
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