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- W1902133784 abstract "Cerebral blood flow is regulated over a range of systemic blood pressures through the cerebral autoregulation (CA) control mechanism. The COx measure based on near infrared spectroscopy (NIRS) has been proposed as a suitable technique for the analysis of CA as it is non-invasive and provides a simpler acquisition methodology than other methods. The COx method relies on data binning and thresholding to determine the change between intact and impaired autoregulation zones. In the work reported here we have developed a novel method of differentiating the intact and impaired CA blood pressure regimes using clustering methods on unbinned data. K-means and Gaussian mixture model algorithms were used to analyse a porcine data set. The determination of the lower limit of autoregulation (LLA) was compared to a traditional binned data approach. Good agreement was found between the methods. The work highlights the potential application of using data clustering tools in the monitoring of CA function." @default.
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- W1902133784 date "2015-09-16" @default.
- W1902133784 modified "2023-09-27" @default.
- W1902133784 title "Data clustering methods for the determination of cerebral autoregulation functionality" @default.
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- W1902133784 doi "https://doi.org/10.1007/s10877-015-9774-8" @default.
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