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DISCRIMINATION OF CHEYNE-STOKES BREATHING PATTERNS BY USE OF OXIMETRY SIGNALS
专利权人:
Chun Yui Lau
发明人:
Chun Yui Lau,Jeffrey Peter Armitstead
申请号:
US13259649
公开号:
US20120016218A1
申请日:
2010.04.15
申请国别(地区):
US
年份:
2012
代理人:
摘要:
Methods and apparatus provide Cheyne-Stokes respiration (“CSR”) detection based on a blood gas measurements such as oximetry. In some embodiments, a duration, such as a mean duration of contiguous periods of changing saturation or re-saturation occurring in an epoch taken from a processed oximetry signal, is determined. An occurrence of CSR may be detected from a comparison of the duration and a threshold derived to differentiate saturation changes due to CSR respiration and saturation changes due to obstructive sleep apnea. The threshold may be a discriminant function derived as a classifier by an automated training method. The discriminant function may be further implemented to characterize the epoch for CSR based on a frequency analysis of the oximetry data. Distance from the discriminant function may be utilized to generate probability values for the CSR detection.
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来源网址:
http://www.ckcest.cn/home/
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