Evaluation the Accuracy of Oscillometric Blood Pressure Measurement According to the AAMI SP10

被引:0
作者
Xiang, H. Y. [1 ]
Liu, Y. Y. [1 ]
Guo, T. [1 ]
Qin, Y. F. [1 ]
Yu, M. S. [1 ]
机构
[1] Inst Aviat Med, Aviat Med Engn Ctr, Beijing, Peoples R China
来源
WORLD CONGRESS ON MEDICAL PHYSICS AND BIOMEDICAL ENGINEERING, 2015, VOLS 1 AND 2 | 2015年 / 51卷
关键词
oscillometric; Korotkoff sounds; noninvasive measurement; blood pressure; KOROTKOFF;
D O I
10.1007/978-3-319-19387-8_243
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
The auscultatory method is regarded as the golden standard in non-invasive arterial blood pressure measurement. The oscillometric method are used widely in most automated blood pressure measurement instruments recently. The limitation of oscillometric method is that both the systolic and the diastolic pressure are estimated using empirical criteria. In fact, there are large variance of the amplitude ratios among population. Therefore, the estimation of the systolic and diastolic blood pressure based on oscillomentic technique is not always accurate. In present study, an oscillometric method blood pressure measurement experiment system was established to acquire and analyze the blood pressure measurement data of the subjects with low, medium and high pressure. Eight-five subjects with a wide range of blood pressure were recruited. Each subject was measured three times. The experiment system acquires the cuff pressure and the oscillometric pulse. The manual auscultation measurement was performed on the same-limb simultaneously by two trained observers. The data were analyzed using self-programmed analyzing software based on Matlab. The averages of systolic and diastolic ratios are 0.50 and 0.71 respectively. Both the systolic and diastolic ratios fluctuate in a wide range, especially for the subjects with higher or lower blood pressure. Based on the golden standard, the accuracy of oscillometric method would not be generally accepted for the subjects with a wide range blood pressure.
引用
收藏
页码:998 / 1001
页数:4
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