Systems and techniques for estimating the severity of chronic obstructive pulmonary disease in a patient
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United States of America Patent
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Jul 12, 2022
Grant Date -
Jun 22, 2017
app pub date -
Aug 6, 2015
filing date -
Aug 7, 2014
priority date (Note) -
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Abstract
Disclosed herein are embodiments of systems and techniques for estimating the severity of chronic obstructive pulmonary disease (COPD) in a patient. For example, in some embodiments, a system for estimating COPD severity in a patient may include logic to receive a breathing signal representative of breathing activity of the patient over a time interval, receive a locomotion signal representative of locomotive activity of the patient over the time interval, and provide breathing data and locomotion data to additional logic, wherein the additional logic is to generate an estimate of COPD severity in the patient by comparison of 1) a cross-recurrence quantification analysis (cRQA) parameter between the breathing data and the locomotion data and 2) a reference value. The breathing data may be based on the breathing signal, and the locomotion data may be based on the locomotion signal.
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