A Hydrostatic Calibration Method for the Design of Wearable PAT-based Blood Pressure Monitoring Devices
Refereed conference paper presented and published in conference proceedings


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摘要Pulse arrival time (PAT) has been proposed for measuring blood pressure (BP) noninvasively and continuously. A challenge of the PAT-based BP measurement technique is to calibrate it individually. The objective of this study is to examine a previously proposed model-based calibration method utilizing hydrostatic pressure for BP estimation. A preliminary experiment has been conducted on eight subjects aged from 23 to 36. Each subject was asked to raise their right arms to five different heights (H). At each height, PAT and brachial BP were measured from the elevated arm and the resting arm respectively. The data recorded at each height were used to calibrate a subject-dependent coefficient b which was then used to estimate his/her brachial SBP before and after exercise. It was found that the estimation results were influenced by H and k, which is a constant time interval subtracted from PAT. In this study, the estimation errors were found to be more sensitive to H than to k for -30 <= H <= 30 cm and 40 <= k <= 70 ms.
著者Liu YB, Poon CCY, Zhang YT
會議名稱30th Annual International Conference of the IEEE-Engineering-in-Medicine-and-Biology-Society
會議開始日20.08.2008
會議完結日24.08.2008
會議地點Vancouver
會議國家/地區加拿大
期刊名稱Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society
詳細描述organized by IEEE-EMBS,
出版年份2008
月份1
日期1
出版社IEEE
頁次1308 - 1310
國際標準書號978-1-4244-1814-5
國際標準期刊號1557-170X
語言英式英語
關鍵詞blood pressure; hydrostatic calibration; pulse transit time; Wearable devices
Web of Science 學科類別Engineering; Engineering, Biomedical; Engineering, Electrical & Electronic

上次更新時間 2020-16-11 於 00:59