Cardiopulmonary coupling analysis method based on single lead ECG

A technology of cardiopulmonary coupling and analysis method, applied in the fields of medical science, sensors, diagnostic recording/measurement, etc., can solve problems such as affecting the effect of cardiopulmonary coupling analysis and inaccurate estimation of cardiopulmonary coupling

Active Publication Date: 2016-10-05
GENERAL HOSPITAL OF PLA
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Problems solved by technology

In the prior art, the direct use of EDR and ECG RR interval for cardiopulmonary coupling analysis has technical problems of inaccurate estimation of cardiopulmonary coupling, which affects the analysis effect of cardiopulmonary coupling

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  • Cardiopulmonary coupling analysis method based on single lead ECG
  • Cardiopulmonary coupling analysis method based on single lead ECG
  • Cardiopulmonary coupling analysis method based on single lead ECG

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Embodiment Construction

[0019] Next, the single-lead ECG-based cardiopulmonary coupling analysis method of the present invention will be described with reference to the accompanying drawings.

[0020] like Figure 7 As shown, the key steps of the cardiopulmonary coupling method of the present invention are 1) obtaining the enhanced EDR signal; 2) decomposing the RR interval sequence and the enhanced EDR signal by EMD / EEMD technology, and then decomposing the decomposition results of the two The eigenfunctions of interest are coupled to obtain cardiopulmonary coupling results. Here "interesting" refers to the meaning of "specific frequency range". For example, when performing breath analysis, the range of interest is 0.15-0.4 Hz where the breath frequency band is located.

[0021] Specifically, the heartbeat interval sequence (RR interval sequence) and EDR signal are extracted from the body surface ECG signal, and then the RR interval sequence is used as the reference input signal of the adaptive fi...

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Abstract

A cardiopulmonary coupling analysis method based on single lead ECG includes the steps of extracting an RR inter-phase sequence and an EDR signal from body surface single-lead ECG signals, eliminating the noise components of the EDR signal according to the relevance between the RR inter-phase sequence and the EDR signal by means of a self-adaptive filter with the RR inter-phase sequence as the reference input signal of the self-adaptive filter and the EDR signal as the ideal signal of the self-adaptive filter to obtain an enhanced type EDR signal, conducting experience pattern decomposing on the RR inter-phase sequence and the enhanced type EDR signal to obtain a plurality of intrinsic mode functions of the RR inter-phase sequence and a plurality of intrinsic mode functions of the enhanced type EDR signal, and selecting the intrinsic mode function, corresponding to a preset frequency band, of the RR inter-phase sequence and the intrinsic mode function, corresponding to the preset frequency band, of the enhanced type EDR signal for cardiopulmonary coupling analysis to obtain a coupling result.

Description

technical field [0001] The invention relates to a physiological parameter analysis method, in particular to a cardiopulmonary coupling analysis method based on a single-lead ECG. Background technique [0002] Cardiopulmonary coupling (cardiopulmonary coupling), also known as cardiorespiratory interaction, refers to the internal coordination mechanism and role between the cardiovascular system and the respiratory system, and its research involves a wide range of physiological, pathological and clinical application fields. The cardiopulmonary coupling phenomenon can be used to obtain physiological and pathological information related to the health status of the body, such as evaluating the function of the autonomic nervous system through cardiopulmonary coupling analysis, quantitatively evaluating sleep quality, and detecting sleep-breathing events. Through the physiological phenomenon of cardiopulmonary coupling, it can also regulate and intervene in the health state of the b...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0452
Inventor 张政波柴晓珂郑捷文王步青刘燕辉
Owner GENERAL HOSPITAL OF PLA
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