AMBULATORY MONITORING OF INDIRECT BEAT-TO-BEAT ARTERIAL-PRESSURE IN HUMAN FINGERS BY A VOLUME-COMPENSATION METHOD

被引：17

作者：

KAWARADA, A ^{[1
]}

SHIMAZU, H ^{[1
]}

ITO, H ^{[1
]}

YAMAKOSHI, K ^{[1
]}

机构：

[1] HOKKAIDO UNIV,APPL ELECT RES INST,SAPPORO,HOKKAIDO 060,JAPAN

来源：

MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING | 1991年 / 29卷 / 01期

关键词：

AMBULATORY MEASUREMENT; DIGITAL ARTERY; INDIRECT SPHYGMOMANOMETRY; INSTANTANEOUS ARTERIAL PRESSURE;

D O I：

10.1007/BF02446296

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Using a volume-compensation technique, a portable device has been designed for the indirect measurement of beat-to-beat arterial pressure and its waveforms in the basal phalanx of fingers of ambulatory subjects. The device consists of (1) a transmission infra-red photoelectric plethysmograph (TIPP) to detect the variation of arterial volume, (2) a pneumatic cuff with an actuator, (3) a servosystem to control the cuff pressure, and (4) a stereo cassette tape recorder. Arterial pressure was determined from the cuff pressure which was controlled by the servosystem so as to maintain the arterial volume constant at the 'vascular unloading' state. This device is equipped with a compensator for any hydrostatic pressure difference between the heart and finger. Thus, the blood pressure at heart level can be obtained for any finger height. The total weight of the device was 1.6kg. Blood pressure changes during walking, jogging, jumping, and exercises such as side-stepping, Master's two-step test and car driving, have been successfully recorded.

引用

页码：55 / 62

页数：8

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