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- W2441569332 abstract "As there are a number of ankle arteries and some of them can not be blocked completely under higher pressure from the external inflate cuff, we can not accurately identify the starting point of the pulse wave, so the errors of lower limb systolic blood pressure measurement take place and affect the accuracy of ankle-brachial index in diagnosing vascular disease. In this paper, we constructed delay vectors from the data we already collected from lower limb pulse wave and formed an embedding matrix; thus solving the problem of inadequate sensor dimensions. We extracted a single arterial pulse wave through the blind signal separation on the basis of embedding matrix, and we identified the lower limb systolic blood pressure corresponding to the starting point. Simulation and clinical experiments show the method can be used to separate the wave signals of ankle artery which contains information of systolic blood pressure. It improves the accuracy of lower limb systolic blood pressure measurement and hence provides accurate data for the clinical diagnosis of arterial disease." @default.
- W2441569332 created "2016-06-24" @default.
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- W2441569332 date "2010-08-01" @default.
- W2441569332 modified "2023-09-27" @default.
- W2441569332 title "[The lower limb blood pressure measurement of ankle-brachial index based on underdetermined blind signal]." @default.
- W2441569332 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/20842842" @default.
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