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CN-122004821-A - Method, system and storage medium for monitoring cardiovascular and cerebrovascular diseases

CN122004821ACN 122004821 ACN122004821 ACN 122004821ACN-122004821-A

Abstract

The invention relates to the technical field of cardiovascular and cerebrovascular monitoring, in particular to a cardiovascular and cerebrovascular monitoring method, a cardiovascular and cerebrovascular monitoring system and a storage medium. The method comprises the following steps of sequentially applying pressure according to a preset interactive rhythm to form controllable overlapped blood flow disturbance through arranging a plurality of pressure rhythm units at a target monitoring position, synchronously collecting corresponding compliance echo signals, synchronously overlapped and constructing a dynamic cardiovascular and cerebrovascular compliance matrix through a hardware level, further identifying a blood flow fluctuation mode based on the matrix, and finally outputting a cardiovascular and cerebrovascular functional state monitoring result of the target position. According to the invention, the dynamic cardiovascular and cerebrovascular compliance matrix is constructed by synchronously superposing the interactive pressure application and the compliance echo of the multi-pressure rhythm unit, so that the stable identification and abnormal distinction of the blood flow fluctuation mode are realized, and the accuracy and the reliability of the cardiovascular and cerebrovascular function monitoring are obviously improved under the low-invasion condition.

Inventors

  • HU YUTONG
  • FENG YALI

Assignees

  • 河北省中医院(河北中医药大学第一附属医院、河北省青少年儿童脊柱侧弯防控中心)

Dates

Publication Date
20260512
Application Date
20260203

Claims (10)

  1. 1. A method for monitoring cardiac and cerebral blood vessels, comprising the steps of: Step S1, arranging a plurality of pressure rhythm units at a target monitoring position of a measured object, wherein each pressure rhythm unit comprises a controllable pressing device and a blood flow response node and is used for generating local blood flow disturbance; Step S2, sequentially activating the pressure rhythm units according to a preset interaction rhythm to enable adjacent units to generate superimposed blood flow disturbance waveforms; step S3, collecting overlapped blood flow disturbance waveforms through blood flow response nodes to generate a compliance echo signal; s4, carrying out hardware synchronous superposition on the compliance echo signals of each pressure rhythm unit to form a dynamic cardiovascular and cerebrovascular compliance matrix; and S5, recognizing a blood flow fluctuation mode based on the dynamic cardiovascular and cerebrovascular compliance matrix, and outputting a cardiovascular and cerebrovascular functional state monitoring result of the target monitoring part.
  2. 2. The method for monitoring cardiac and cerebral blood vessels according to claim 1, wherein step S2 comprises the steps of: step S21, setting an activation sequence of the pressure rhythm units and interactive rhythm parameters, wherein the interactive rhythm parameters comprise activation duration time, adjacent unit delay time and pressure application amplitude; step S22, triggering a pressing device of a first pressure rhythm unit according to an activation sequence to enable local blood flow of a target monitoring part to generate an initial disturbance waveform; Step S23, triggering a pressing device of a next pressure rhythm unit after the initial disturbance waveform reaches a preset local blood flow response threshold value, so that a superposition effect is generated between the new disturbance waveform and the disturbance waveform of the previous unit in a local area; And step S24, repeating the step S23 until all the pressure rhythm units are activated according to the preset interactive rhythm to form a complete overlapped blood flow disturbance waveform sequence.
  3. 3. The method for monitoring cardiac and cerebral blood vessels according to claim 2, wherein step S24 further comprises: In the interaction process of the pressure rhythm unit, each blood flow response node acquires the disturbance amplitude, frequency and waveform form of the local blood flow in real time, and preliminary disturbance characteristic data are generated; the preliminary disturbance characteristic data are immediately compared, and the interference effect and the local blood flow response delay between adjacent pressure rhythm units are identified; according to the interference effect and the local blood flow response delay condition, automatically adjusting the pressurizing amplitude of the next activating unit to enable the local blood flow disturbance and the previous unit to form an expected superposition waveform peak value and a phase difference in time sequence; And performing fine tuning circulation on the adjusted pressure amplitude and the activation delay until a continuous and repeatable superimposed blood flow disturbance waveform sequence is generated.
  4. 4. The method of claim 3, wherein automatically adjusting the compression amplitude of the next activation unit according to the interference effect and the local blood flow response delay comprises: After the previous pressure rhythm unit finishes pressurizing, capturing peak time and attenuation inflection point of local blood flow disturbance by the corresponding blood flow response node, and marking the time as a blood flow disturbance reference anchor point; Determining a local blood flow response delay interval according to the time difference between the blood flow disturbance reference anchor point and the current preset activation time of the adjacent pressure rhythm unit; When the local blood flow response delay interval deviates from the expected superposition window, carrying out step correction on the pressurizing amplitude of the next pressure rhythm unit; The blood flow disturbance peak value generated by the next pressure rhythm unit and the blood flow disturbance reference anchor point form a preset phase offset relation on a time axis through step correction; And confirming that the adjacent pressure rhythm units enter a blood flow phase locking state based on a preset phase offset relation, so as to generate a superimposed blood flow disturbance waveform.
  5. 5. The method for monitoring cardiac and cerebral blood vessels according to claim 1, wherein step S4 comprises the steps of: step S41, after the pressure rhythm unit completes one interactive pressurizing period, outputting a compliance echo signal by a corresponding blood flow response node, and sending the compliance echo signal to a public hardware synchronous bus; step S42, on a common hardware synchronous bus, setting independent time alignment marks for each path of compliance echo signals, wherein the time alignment marks take blood flow disturbance reference anchor points as alignment references; Step S43, synchronously sampling the compliance echo signals with the same time alignment mark to form parallel sampling frames of multiple paths of compliance echoes, and directly superposing the parallel sampling frames into a multidimensional storage array according to a preset physical mapping relation to construct a compliance echo superposition unit; And S44, arranging a plurality of compliance echo superposition units according to the spatial arrangement sequence and the interaction rhythm sequence of the pressure rhythm units to form a dynamic cardiovascular and cerebrovascular compliance matrix.
  6. 6. The method of monitoring cardiac and cerebral blood vessels according to claim 4 wherein step S44 comprises: Acquiring physical installation position information of each pressure rhythm unit on a target monitoring part, and defining the physical installation position information as a compliance spatial index; after a complete interactive pressing period is completed, transversely arranging a plurality of corresponding generated compliance echo superposition units according to the compliance space indexes to form a compliance space arrangement band; Based on the activation sequence of the pressure rhythm units, a rhythm time sequence index is distributed for the compliant echo superposition units, and the compliant echo superposition units with continuous rhythm time sequence indexes are sequentially arranged along the longitudinal direction; Constructing a two-dimensional compliance mapping plane through cross mapping of the compliance space arrangement band and the rhythm time sequence index; And continuously updating the two-dimensional compliance mapping plane layer by layer in a pressurizing period to expand the two-dimensional compliance mapping plane along the time dimension so as to form a dynamic cardiovascular and cerebrovascular compliance matrix.
  7. 7. The method for monitoring cardiac and cerebral blood vessels according to claim 1, wherein step S5 comprises the steps of: Step S51, in the dynamic cardiovascular and cerebrovascular compliance matrix, corresponding compliance echo superposition units are read column by column according to the compliance spatial index to form a spatially continuous compliance response band; S52, comparing the shape changes of the compliant response bands under adjacent rhythm time sequence indexes, and identifying whether the fluctuation presentation state of continuous enhancement, continuous attenuation or rhythm fracture exists in the compliant response bands; Step S53, confirming a blood flow fluctuation mode according to the identification result, and determining the state of a blood flow compliance area of a corresponding target monitoring part based on the distribution position of a stable blood flow fluctuation mode or an abnormal blood flow fluctuation mode in a dynamic cardiovascular and cerebrovascular compliance matrix; Step S54, mapping the state of the blood flow compliance area into a preset cardiovascular and cerebrovascular function state type, and outputting a cardiovascular and cerebrovascular function state monitoring result of the target monitoring part.
  8. 8. The method of monitoring cardiac and cerebral blood vessels according to claim 7 wherein determining the pattern of blood flow fluctuations based on the identification result comprises: When the compliant response strip maintains a consistent undulating presentation state over a plurality of successive rhythmic cycles, marking the state as a steady flow undulating pattern; when a compliant response band experiences a mutation between adjacent spatial or rhythmic indices, the state is marked as an abnormal pattern of blood flow fluctuations.
  9. 9. A cardiovascular and cerebrovascular monitoring system for performing the cardiovascular and cerebrovascular monitoring method as claimed in claim 1, comprising: The pressure rhythm arrangement module is used for arranging a plurality of pressure rhythm units at a target monitoring position of a measured object, and each pressure rhythm unit comprises a controllable pressing device and a blood flow response node and is used for generating local blood flow disturbance; The rhythm interactive activation module is used for activating the pressure rhythm units in sequence according to a preset interactive rhythm so as to generate a superimposed blood flow disturbance waveform between adjacent units; the compliance echo acquisition module is used for acquiring the superimposed blood flow disturbance waveform through the blood flow response node and generating a compliance echo signal; The compliance matrix construction module is used for carrying out hardware synchronous superposition on the compliance echo signals of each pressure rhythm unit to form a dynamic cardiovascular and cerebrovascular compliance matrix; The functional state identification module is used for identifying a blood flow fluctuation mode based on the dynamic cardiovascular and cerebrovascular compliance matrix and outputting a cardiovascular and cerebrovascular functional state monitoring result of the target monitoring part.
  10. 10. A storage medium having stored thereon a computer program, which when executed by a processor implements the method of monitoring cardiac and cerebral blood vessels according to any one of claims 1-8.

Description

Method, system and storage medium for monitoring cardiovascular and cerebrovascular diseases Technical Field The invention relates to the technical field of cardiovascular and cerebrovascular monitoring, in particular to a cardiovascular and cerebrovascular monitoring method, a cardiovascular and cerebrovascular monitoring system and a storage medium. Background The existing monitoring methods mainly depend on technologies such as blood pressure measurement, electrocardiogram, ultrasonic imaging or magnetic resonance blood flow imaging, and the like, and have the problems of single-point measurement, limited spatial resolution, large influence by operating environment or individual difference, difficult continuous dynamic monitoring and the like, so that the vascular compliance and the local blood flow fluctuation characteristics are difficult to comprehensively reflect. In addition, part of methods have certain invasiveness or rely on complex imaging equipment, and use cost is high, and long-term and convenient function monitoring is difficult to realize. Therefore, a novel monitoring method capable of reflecting the cardiovascular and cerebrovascular functional states in real time, continuously and with high precision through controllable blood flow disturbance and multipoint compliance acquisition under the low invasive condition is needed to improve the stability and clinical usability of blood flow fluctuation pattern recognition. Disclosure of Invention Based on this, it is necessary to provide a method, a system and a storage medium for monitoring cardiac and cerebral vessels, so as to solve at least one of the above technical problems. To achieve the above object, a method for monitoring cardiac and cerebral vessels, the method comprising the steps of: Step S1, arranging a plurality of pressure rhythm units at a target monitoring position of a measured object, wherein each pressure rhythm unit comprises a controllable pressing device and a blood flow response node and is used for generating local blood flow disturbance; Step S2, sequentially activating the pressure rhythm units according to a preset interaction rhythm to enable adjacent units to generate superimposed blood flow disturbance waveforms; step S3, collecting overlapped blood flow disturbance waveforms through blood flow response nodes to generate a compliance echo signal; s4, carrying out hardware synchronous superposition on the compliance echo signals of each pressure rhythm unit to form a dynamic cardiovascular and cerebrovascular compliance matrix; and S5, recognizing a blood flow fluctuation mode based on the dynamic cardiovascular and cerebrovascular compliance matrix, and outputting a cardiovascular and cerebrovascular functional state monitoring result of the target monitoring part. The invention provides a cardiovascular and cerebrovascular monitoring system, which is used for executing the above cardiovascular and cerebrovascular monitoring method, and comprises the following steps: The pressure rhythm arrangement module is used for arranging a plurality of pressure rhythm units at a target monitoring position of a measured object, and each pressure rhythm unit comprises a controllable pressing device and a blood flow response node and is used for generating local blood flow disturbance; The rhythm interactive activation module is used for activating the pressure rhythm units in sequence according to a preset interactive rhythm so as to generate a superimposed blood flow disturbance waveform between adjacent units; the compliance echo acquisition module is used for acquiring the superimposed blood flow disturbance waveform through the blood flow response node and generating a compliance echo signal; The compliance matrix construction module is used for carrying out hardware synchronous superposition on the compliance echo signals of each pressure rhythm unit to form a dynamic cardiovascular and cerebrovascular compliance matrix; The functional state identification module is used for identifying a blood flow fluctuation mode based on the dynamic cardiovascular and cerebrovascular compliance matrix and outputting a cardiovascular and cerebrovascular functional state monitoring result of the target monitoring part. The invention also provides a storage medium on which a computer program is stored, which when being executed by a processor implements the method for monitoring cardiac and cerebral blood vessels as described above. The invention has the beneficial effects that the dynamic cardiovascular and cerebrovascular compliance matrix with space and time sequence double dimensions is constructed by arranging a plurality of pressure rhythm units at the target monitoring position and generating controllable and stackable local blood flow disturbance by a preset interaction rhythm and utilizing synchronous acquisition and hardware-level superposition of the compliance echo signals, thereby realizing the fine characterization and st