KR102467212B1 - System for providing Home Rehabilitation by using Wearable Electrocardiogram Patch - Google Patents

Abstract

Disclosed is a home cardiac rehabilitation system using a wearable ECG patch. The provided home cardiac rehabilitation system using a wearable ECG patch compares the amount of oxygen consumed by a body during maximum exercise intensity predicted based on sensor data obtained while the wearable ECG patch was attached to the patient with the amount of oxygen consumed by the body during maximum exercise intensity measured in the hospital so as to perform cardiac rehabilitation in an appropriate state, so that cardiac rehabilitation can be performed at home without visiting the hospital.

Description

System for providing Home Rehabilitation by using Wearable Electrocardiogram Patch}

One embodiment of the present invention relates to a home cardiac rehabilitation system using a wearable electrocardiogram patch.

The contents described below merely provide background information related to the present embodiment and do not constitute prior art.

Heart/cardiovascular disease is the next leading cause of death after malignant neoplasm (cancer), and it is a chronic disease that requires accurate early diagnosis and prognosis management to maintain a healthy life. For accurate diagnosis and management of heart/cardiovascular diseases, services such as 24-hour continuous electrocardiogram monitoring (Holter Monitoring) and mobile cardiac monitoring (MCT, Mobile Cardiac Telemetry) are provided for outpatients.

Cardiac rehabilitation refers to a personal comprehensive management program that helps patients with heart disease recover through education and exercise, prevents recurrence of the disease, and ultimately maintains life.

It is known that mortality and recurrence rates are effectively reduced when a steady cardiac rehabilitation program is performed after successful cardiovascular disease treatment. More seriously disabled.

Among university hospitals and cardiovascular specialty hospitals across the country, including regional cardiovascular disease centers, only 26 hospitals made claims for cardiac rehabilitation fees, and the participation rate for cardiac rehabilitation after acute myocardial infarction was only 1.5%. Cardiac rehabilitation requires an outpatient visit and 1:1 rehabilitation management, which is expected to cause inconvenience to medical staff and patients. In particular, since the medical staff and the patient have to perform cardiac rehabilitation one-on-one while visiting the hospital for cardiac rehabilitation, there is a problem that there is a shortage of medical staff and high costs.

In this embodiment, the amount of oxygen consumed by the body during the maximum exercise intensity predicted based on sensor data obtained while a wearable electrocardiogram patch is attached to the patient so that cardiac rehabilitation can be performed at home without visiting the hospital and the amount of oxygen consumed by the body at the hospital An object of the present invention is to provide an at-home cardiac rehabilitation system using a wearable electrocardiogram patch that enables cardiac rehabilitation to be performed in an appropriate state by comparing the amount of oxygen consumed by the body during the measured maximum exercise intensity.

According to one aspect of this embodiment, a hospital server for measuring an actual VO2 Max value for a cardiac rehabilitation patient using a measuring device, and setting and inputting a reference exercise load based on the actual VO2 Max value; And attached to the cardiac rehabilitation patient, calculating the predicted VO2 Max value with the sensing information obtained based on the sensor, determining the current exercise load based on the predicted VO2 Max value, and then the difference between the reference exercise load and the current exercise load It provides an at-home cardiac rehabilitation system comprising a; wearable electrocardiogram patch to generate feedback according to notification.

As described above, according to the present embodiment, the wearable electrocardiogram patch is attached to the patient so that cardiac rehabilitation can be performed at home without visiting a hospital. There is an effect of allowing cardiac rehabilitation to be performed in an appropriate state by comparing the amount of oxygen consumed by the body with the amount of oxygen consumed by the body during the maximum exercise intensity measured in the hospital.

According to the present embodiment, if at-home cardiac rehabilitation is possible, it has an effect of helping to promote national health by increasing the participation rate, and has an effect of reducing the mortality and recurrence rate of cardiovascular disease by activating the at-home cardiac rehabilitation.

1 is a diagram showing an at-home cardiac rehabilitation system according to this embodiment.
2 is a diagram showing a warning score table according to this embodiment.
3 is a diagram showing activity amount regression results for each patient according to the present embodiment.
4 is a diagram showing characteristic indicators of an electrocardiogram according to the present embodiment.
5 is a view showing the exercise load test results according to this embodiment.
6 is a diagram showing exercise load classification according to the present embodiment.
7 is a diagram illustrating a process of examining an exercise load for each patient according to the present embodiment.
8 is a flowchart for explaining a process of at-home cardiac rehabilitation according to the present embodiment.
9 is a diagram showing an example of a screen for patient monitoring according to the present embodiment.

Hereinafter, this embodiment will be described in detail with reference to the accompanying drawings.

1 is a diagram showing an at-home cardiac rehabilitation system according to this embodiment.

Usually, after surgery (eg, lung surgery, heart surgery), the function of the heart declines. Therefore, cardiac rehabilitation is the process of returning the function of the heart to normal so that it can lead a normal life. If, in the process of cardiac rehabilitation after surgery, excessive exercise in a weakened heart can lead to death. Therefore, it is necessary to monitor the cardiac condition of cardiac rehabilitation patients.

Currently, the general cardiac rehabilitation process is covered by insurance for about 12 weeks after surgery, and the rehabilitation patient visits the cardiac rehabilitation center and receives rehabilitation exercises from medical staff. After the insurance coverage period has passed or during a pandemic due to an infectious disease, rehabilitation patients are usually required to perform rehabilitation at home. Accordingly, the patient performs at-home cardiac rehabilitation after attaching the wearable ECG patch 110 .

The at-home cardiac rehabilitation system measures the consumption of the body during the maximum exercise intensity predicted based on sensor data obtained while the wearable ECG patch 110 is attached to the patient so that cardiac rehabilitation can be performed at home without visiting a hospital. It compares the amount of oxygen consumed by the body during the maximum exercise intensity measured in the hospital so that cardiac rehabilitation can be performed in an appropriate state.

The at-home cardiac rehabilitation system accurately identifies an appropriate exercise level for the cardiac rehabilitation patient and then compares it with sensor-based data obtained during the at-home cardiac rehabilitation process to guide the appropriate exercise.

The at-home cardiac rehabilitation system according to this embodiment includes a wearable ECG patch 110, a patient terminal 112, a patient application 114, a hospital server 120, and a medical staff device 130. Components included in the home cardiac rehabilitation system are not necessarily limited thereto.

The wearable electrocardiogram patch 110 collects patient conditions using an electrocardiogram sensor, an acceleration sensor, and a gyro sensor.

The wearable electrocardiogram patch 110 includes a communication device such as a communication modem for communicating with various devices or wired/wireless networks, a memory for storing various programs and data, and a microprocessor for calculating and controlling by executing the program. It is a versatile device. According to at least one embodiment, the memory is a random access memory (RAM), a read only memory (ROM), flash memory, an optical disk, a magnetic disk, a solid state disk (SSD), and the like. It may be a readable recording/storage medium. According to at least one embodiment, a microprocessor may be programmed to selectively perform one or more of the operations and functions described herein. According to at least one embodiment, the microprocessor may be implemented in whole or in part as hardware such as an Application Specific Integrated Circuit (ASIC) having a specific configuration.

The wearable electrocardiogram patch 110 is attached to a cardiac rehabilitation patient and calculates a predicted VO2 Max value with sensing information acquired based on a sensor. The wearable electrocardiogram patch 110 determines the current exercise load based on the predicted VO2 Max value, and generates feedback according to the difference between the reference exercise load and the current exercise load as a notification.

If the current exercise load is lower than the reference exercise load, the wearable electrocardiogram patch 110 outputs a feedback to increase the current exercise load as a notification. If the current exercise load is higher than the reference exercise load, the wearable electrocardiogram patch 110 outputs a feedback to lower the current exercise load as a notification. The wearable electrocardiogram patch 110 determines that the home cardiac rehabilitation exercise is completed when the current exercise load is maintained in the same state as the reference exercise load for the allocated exercise time, and outputs a home cardiac rehabilitation stop alarm.

When it is determined that the home cardiac rehabilitation exercise is completed, the wearable electrocardiogram patch 110 matches and stores the current exercise load and exercise time for the cardiac rehabilitation patient, and then stores them in a corresponding patient application.

The wearable electrocardiogram patch 110 extracts electrocardiogram information (x ₁ ), acceleration information (x ₂ ), and gyro information (x ₃ ) from sensing information. The wearable electrocardiogram patch 110 extracts height information (x ₄ ), weight information (x ₅ ), and gender information (x ₆ ) from previously stored user information. The wearable electrocardiogram patch 110 is based on electrocardiogram information (x ₁ ), acceleration information (x ₂ ), gyro information (x ₃ ), height information (x ₄ ), weight information (x ₅ ), and gender information (x ₆ ). Calculate the predicted VO2 Max value with

The wearable ECG patch 110 is a value obtained by applying a weight (α) to electrocardiogram information (x ₁ ), a value obtained by applying a weight (β) to acceleration information (x ₂ ), and a value obtained by applying a weight (γ) to gyro information (x ₃ ). Value, weight information (x ₄ ) with weight (δ) applied, weight information (x ₅ ) with weight (ε) added, and gender information (x ₆ )) calculated as predicted VO2 Max value do.

The wearable electrocardiogram patch 110 determines one of base, stage 1, stage 2, and stage 3 as the current exercise load according to the predicted VO2 Max value.

The wearable electrocardiogram patch 110 generates an exercise stop alarm as feedback when it is determined that an emergency has occurred based on the sensing information. The wearable electrocardiogram patch 110 includes an ST score corresponding to a change in the ST segment among electrocardiogram waveforms of electrocardiogram information included in sensing information, an arrhythmia score according to whether arrhythmia occurs, and a heart rate score corresponding to a heart rate range Warning Score is calculated based on HR Score and VO2 Score corresponding to predicted VO2 Max (the amount of oxygen consumed by the body during maximum exercise intensity).

The wearable electrocardiogram patch 110 determines that an emergency occurs when the warning score exceeds a preset critical score. The wearable electrocardiogram patch 110 calculates each of the ST score, arrhythmia score, heart rate score, and VO2 score within a preset score range (eg, 0 to 2 points). The wearable electrocardiogram patch 110 determines an emergency situation and outputs a yellow alert as a notification when the sum of the ST score, arrhythmia score, heart rate score, and VO2 score is equal to or greater than a first critical score (eg, 1 point). The wearable electrocardiogram patch 110 determines that it is an emergency situation and outputs a red alert as a notification when the total score is equal to or greater than the second critical score (eg, 2 points).

The patient terminal 112 refers to an electronic device that performs voice or data communication via a network according to a user's key manipulation. The patient terminal 112 includes a wearable electrocardiogram patch 110, a memory for storing a program or protocol for communication with the hospital server 120, and a microprocessor for calculating and controlling by executing the corresponding program.

The patient terminal 112 includes a smart phone, a tablet, a laptop, a personal computer (PC), a personal digital assistant (PDA), and a portable multimedia player (PMP). Multimedia Player), wireless communication terminal (Wireless Communication Terminal), may be an electronic device such as a media player. The patient terminal 112 mounts a separate patient application 114 to monitor the patient's condition.

The patient application 114 refers to a program loaded and driven in the storage of the patient terminal 112 . The patient application 114 may be installed in the patient terminal 112 in an embedded form or installed in an operating system (OS).

The hospital server 120 includes the same hardware modules as a common web server or network server in terms of hardware. The hospital server 120 generally communicates with an unspecified number of clients or other servers via an open computer network such as the Internet.

The hospital server 120 refers to a computer system and computer software (web server program) that derives and provides work results corresponding to work execution requests from clients or other web servers. The hospital server 120 includes, in addition to the web server program described above, a series of application programs that operate on the web server or various databases built in the device.

The hospital server 120 according to the present embodiment measures the actual VO2 Max value (the amount of oxygen consumed by the body during maximum exercise intensity) of the cardiac rehabilitation patient using a measuring device. The hospital server 120 sets a reference exercise load based on the actual VO2 Max value and inputs it to the wearable ECG patch 110 . The hospital server 120 sets one of Base, Stage 1, Stage 2, and Stage 3 as a reference exercise load according to the actual VO2 Max value.

The hospital server 120 motors the at-home cardiac rehabilitation exercise state for the cardiac rehabilitation patient at the time when home cardiac rehabilitation starts in the wearable electrocardiogram patch 110, while providing a reference exercise load, a current exercise load, and a warning for the cardiac rehabilitation patient. print the score

The medical staff device 130 refers to an electronic device capable of receiving various web page data via a network according to a user's key manipulation. The medical staff device 130 refers to a terminal having a patient terminal 112, a memory for storing a program for communication with the hospital server 120, and a microprocessor for calculating and controlling by executing the program.

The medical staff device 130 is preferably a personal PC, but is not necessarily limited thereto, and any terminal can be used as long as it can communicate with the patient terminal 112 and the hospital server 120 . The medical staff device 130 includes any communication computing device such as a notebook computer, a mobile communication terminal, or a PDA.

2 is a diagram showing a warning score table according to this embodiment.

When the rehabilitation time arrives, the wearable ECG patch 110 generates a rehabilitation alarm to the hospital server 120 and the patient terminal 112 .

The wearable electrocardiogram patch 110 checks the exercise setting level for each patient during rehabilitation, monitors the current exercise level, calories burned, exercise time, risk index, respiration, and heart rate (HR: Heart Rate) to notify you in the event of an emergency. Occurs. The wearable electrocardiogram patch 110 compares the input actual VO2 Max value and the predicted VO2 Max value to determine whether the risk range is exceeded.

The wearable electrocardiogram patch 110 identifies appropriate exercise levels and risk factors for each patient. The wearable ECG patch 110 allows the patient to safely and appropriately perform rehabilitation exercises at home while being attached to the patient. The wearable electrocardiogram patch 110 detects the movement of each patient and identifies the exercise stage and calories consumed by each patient. The wearable electrocardiogram patch 110 guides an appropriate exercise based on each patient's exercise stage and calorie consumption.

The wearable electrocardiogram patch 110 early detects when a risk factor for a patient occurs, sounds an alarm to guide, and transmits an alarm to the hospital server 120 being monitored. When receiving an alarm from the wearable electrocardiogram patch 110, the hospital server 120 prepares an action for the corresponding patient.

The wearable electrocardiogram patch 110 calculates the patient's exercise performance level and calories consumed based on the sensor attached to the patient. The wearable electrocardiogram patch 110 acquires exercise time, electrocardiogram signal, respiration, and heart rate based on the sensor for the attached patient. The wearable electrocardiogram patch 110 calculates a warning score based on the patient's exercise performance level, calories burned, exercise time, electrocardiogram signal, respiration, and heart rate.

The wearable electrocardiogram patch 110 is a medical staff device 130 during at-home cardiac rehabilitation. The patient's set exercise stage, the patient's exercise performance stage, calories consumed, exercise time, electrocardiogram signal, respiration, heart rate, and warning score deliver in real time.

The wearable electrocardiogram patch 110 calculates a warning score based on the ST segment change, arrhythmia, and heart rate. The wearable electrocardiogram patch 110 calculates each score as 0 to 2 points, and calculates a yellow alert when the total score is 1 point and a red alert when the total sum score is 2 points or more.

The wearable electrocardiogram patch 110 measures scores (ST Score), arrhythmia score, heart rate score (HR Score), and VO2 Max (the amount of oxygen consumed by the body during maximum exercise intensity) according to ST segment changes among electrocardiogram waveforms. A warning score is calculated based on the VO2 score. The wearable ECG patch 110 calculates a warning score using Equation 1.

The wearable electrocardiogram patch 110 measures the amount of exercise and exercise level by measuring the electrocardiogram (x ₁ ), acceleration (x ₂ ), gyro value (x ₃ ), height (x ₄ ), weight (x ₅ ), gender ( x ₆ ) to calculate the predicted VO2 Max value.

The wearable ECG patch 110 calculates the predicted VO2 Max value using Equation 2.

3 is a diagram showing activity amount regression results for each patient according to the present embodiment.

The wearable electrocardiogram patch 110 predicts VO2 Max that is almost similar to the actual VO2 Max value based on the values measured from the electrocardiogram sensor, acceleration sensor, and gyro sensor to determine whether the exercise load performed by cardiac rehabilitation patients at home is appropriate. Calculate the value.

In the wearable electrocardiogram patch 110 , an activity amount calculated using an electrocardiogram sensor, an acceleration sensor, and a gyro sensor and a regression result of an actual activity amount are as shown in FIG. 3 .

The wearable ECG patch 110 calculates a predicted VO2 Max value based on the sensor. In the wearable ECG patch 110, when the actual VO2 Max value is placed on the x-axis and the predicted VO2 Max value based on the sensor is placed on the y-axis, it is confirmed that the actual VO2 Max value and the predicted VO2 Max value are almost linear. , it can be seen that the predicted VO2 Max value is almost similar to the actual VO2 Max value.

The wearable ECG patch 110 calculates calorie consumption per minute based on information collected from a male patient. For example, the wearable ECG patch 110 consumes calories per minute as Male: Calories/min = (-95.7735 + (0.271 × Age) + (0.394 × Weight) + (0.404 × VO2max) + (0.634 × Heart Rate))/4.184 yields

The wearable electrocardiogram patch 110 calculates a warning score based on information collected from a female patient. For example, the wearable ECG patch 110 consumes calories per minute as Female: Calories/min = (-59.3954 + (0.274 × Age) + (0.103 × Weight) + (0.380 × VO2max) + (0.450 × Heart Rate)) / 4.184 yields

4 is a diagram showing characteristic indicators of an electrocardiogram according to the present embodiment.

The wearable electrocardiogram patch 110 divides the P waveform, QRS-complex (N, S, V), T waveform, and noise waveform included in the electrocardiogram waveform into waveform units.

The ECG waveform appears as a series of beats, and beats can be largely divided into normal beat (N), supraventricular beat (S), and ventricular beat (V). One beat of the ECG waveform basically includes a P waveform, a QRS waveform, and a T waveform.

It includes noise generated by the non-invasive bio-signal collection method in the electrocardiogram waveform. The wearable ECG patch 110 detects P, Q, R, S, and T waves included in the ECG waveform, and classifies normal beat (N), supraventricular beat (S), and ventricular beat (V). do. The wearable electrocardiogram patch 110 calculates a feature value (Feature) from the localization of the P, Q, R, S, and T waveforms.

The wearable ECG patch 110 classifies a PR interval, a QRS interval, a QT interval, an ST segment, and a RR interval for an input ECG waveform.

The wearable electrocardiogram patch 110 classifies the heartbeat based on the characteristic information of the P wave, Q wave, R wave, S wave, and T wave based on the PR interval, QRS interval, QT interval, ST segment, and RR interval. can do

The wearable ECG patch 110 classifies heart beats into normal beat (N), supraventricular beat (S), and ventricular beat (V). The wearable electrocardiogram patch 110 may detect an abnormal condition based on localization and classification information when reading an electrocardiogram waveform.

The wearable ECG patch 110 performs localization on the ECG waveform, calculates characteristic index values, and detects abnormal conditions (arrhythmia, abnormal beats (S, V), ST, QTc, etc.) using the characteristic index values .

The wearable electrocardiogram patch 110 uses an arrhythmia detection machine learning model (eg, feature index value A, feature index value B, and feature index value D) to detect arrhythmia, feature index value B, characteristic index value C, and feature index value E. , B arrhythmia lock using feature index value F, abnormal beat detection using feature index value A, feature index value F) to detect abnormal conditions (arrhythmia, abnormal beats (S, V), ST, QTc, etc.) detect

The wearable electrocardiogram patch 110 may perform precise localization using segmentation and obtain reliable and precise feature index values based on the localization result. The wearable electrocardiogram patch 110 is used to detect other abnormal beats, arrhythmias, etc. based on characteristic index values.

The wearable electrocardiogram patch 110 performs classification on the electrocardiogram waveform to classify the heartbeat as normal beat (N), supraventricular beat (S), and ventricular beat (V). ), and detect arrhythmias.

The wearable electrocardiogram patch 110 applies a segmentation technique to the electrocardiogram waveform, and checks characteristic index values of each section of the P waveform, Q waveform, R waveform, S waveform, T waveform, and noise waveform included in the electrocardiogram waveform. The wearable electrocardiogram patch 110 quickly classifies heartbeats into normal beats (N), supraventricular beats (S), ventricular beats (V), and noise based on the characteristic index value, and removes the noise to quickly and accurately Let a medical judgment be made.

5 is a view showing the exercise load test results according to this embodiment.

The wearable electrocardiogram patch 110 calculates and graphs the change in each index during the exercise stress test. The wearable electrocardiogram patch 110 calculates a predicted VO2 Max value based on acquired sensor information (heart rate (HR), acceleration (ACC), and gyro). The wearable electrocardiogram patch 110 performs an exercise load test based on the predicted VO2 Max value. The wearable electrocardiogram patch 110 divides the exercise load into a baseline, a first step, a second step, and a third step based on the predicted VO2 Max value.

The wearable electrocardiogram patch 110 examines the current exercise load and determines it as a base, first step, second step, and third step. The wearable electrocardiogram patch 110 recognizes that the load on the heart gradually increases according to changes in heart rate (HR), acceleration, and gyro sensor values according to exercise intensity, and outputs an exercise load test result. The wearable electrocardiogram patch 110 outputs time on the horizontal axis and heart rate (HR), acceleration, and gyro sensor values on the vertical axis.

The wearable electrocardiogram patch 110 determines how much faster the heart rate is on the time axis based on the heart rate (HR) value. The wearable electrocardiogram patch 110 determines how much faster the acceleration is on the time axis based on the acceleration value. The wearable electrocardiogram patch 110 determines how much more it has rotated in the time axis based on the gyro value.

The wearable electrocardiogram patch 110 calculates the exercise load by recognizing that the load on the heart increases as the heart rate, acceleration, and rotation values increase.

6 is a diagram showing exercise load classification according to the present embodiment.

The hospital server 120 measures the actual VO2 Max using measurement equipment to measure the exercise intensity of the cardiac rehabilitation patient. The hospital server 120 measures the actual VO2 Max once for the first time after attaching the electrocardiogram patch and the exercise load test equipment to the cardiac rehabilitation patient.

The hospital server 120 sets the measured actual VO2 Max as a reference exercise load. The hospital server 120 registers a reference exercise load set based on actual VO2 Max for each patient.

Here, exercise incubation means a process of giving a strain to the heart by exercising a patient in the process of recovering after surgery. For example, exercise incubation refers to the process of monitoring the heart condition while walking or running on a treadmill equipment slowly and quickly.

When measuring the initial exercise intensity, the hospital server 120 measures VO2 Max (the amount of oxygen consumed by the body during the maximum exercise intensity) using a measuring device. The hospital server 120 sets an initial exercise set value based on the range of VO2 Max values. For example, the hospital server 120 sets a higher exercise set value as the range of the VO2 Max value is wider than a preset threshold value.

The hospital server 120 sets the initial exercise setting values in basic steps, first steps, second steps, and third steps according to the VO2 Max value measured using the measuring equipment.

The wearable ECG patch 110 classifies the exercise load based on the predicted VO2 Max value. The wearable ECG patch 110 receives one of Base, Stage 1, Stage 2, and Stage 3 as a reference exercise load based on the actual VO2 Max value. The wearable electrocardiogram patch 110 calculates a current exercise load for one of base, stage 1, stage 2, and stage 3 based on the predicted VO2 Max value. The wearable ECG patch 110 correlates a reference exercise load (one of Base, Stage 1, Stage 2, and Stage 3) with a current exercise load (one of Base, Stage 1, Stage 2, and Stage 3) Create a Confusion Matrix based on the relationship.

7 is a diagram illustrating a process of examining an exercise load for each patient according to the present embodiment.

The hospital server 120 registers the patient after performing an exercise load test for inputting personalized information for home cardiac rehabilitation (S710). A wearable electrocardiogram patch 110 is attached to each patient (S720).

The wearable electrocardiogram patch 110 checks the attached exercise load based on the sensor (S730). The wearable electrocardiogram patch 110 receives an appropriate exercise level and risk factor value for each patient (S740).

Although it is described in FIG. 7 that steps S710 to S740 are sequentially executed, it is not necessarily limited thereto. In other words, since it will be applicable to changing and executing the steps described in FIG. 7 or executing one or more steps in parallel, FIG. 7 is not limited to a time-series sequence.

As described above, the exercise load test process for each patient according to the present embodiment described in FIG. 7 may be implemented as a program and recorded on a computer-readable recording medium. The computer-readable recording medium on which the program for implementing the exercise load test process for each patient according to the present embodiment is recorded includes all types of recording devices in which data readable by a computer system is stored.

8 is a flowchart for explaining a process of at-home cardiac rehabilitation according to the present embodiment.

The wearable ECG patch 110 is attached to the patient (S810).

The wearable electrocardiogram patch 110 checks whether home cardiac rehabilitation starts (S820). As a result of the check in step S820, if home cardiac rehabilitation is started, the wearable ECG patch 110 starts home cardiac rehabilitation (S832).

The wearable electrocardiogram patch 110 generates a notification after calculating the current exercise load based on the sensor (S834). In step S834, the wearable electrocardiogram patch 110 transmits feedback on the reference exercise load and the current exercise load to the patient application 114 that interoperates during home cardiac rehabilitation. The wearable electrocardiogram patch 110 transmits an appropriate exercise step based on the reference exercise load and the current exercise load to the patient application 114 . The wearable electrocardiogram patch 110 transmits feedback to increase the exercise intensity if the exercise intensity is too low when a patient in the process of recovering from surgery is exercising, and if the exercise intensity is too high, feedback to lower the exercise intensity send The wearable electrocardiogram patch 110 checks the emergency situation and generates an exercise stop alarm when an emergency occurs during exercise. The wearable ECG patch 110 transmits an emergency notification to the hospital server 120 .

When the wearable electrocardiogram patch 110 determines a response situation based on a sensor, it generates a response situation notification (S836). In step S836, the wearable electrocardiogram patch 110 continuously monitors an emergency situation with a risk index using arrhythmia, ST segment change, and heartbeat, and when an emergency occurs, an alarm is sent to the patient terminal 112 and the hospital server 120. Occurs. The wearable ECG patch 110 continuously monitors an emergency situation based on a risk index for arrhythmia, ST segment change, and heart rate.

The wearable electrocardiogram patch 110 confirms completion of home cardiac rehabilitation (S838). In step S838, the wearable electrocardiogram patch 110 generates an alarm to stop the home cardiac rehabilitation to the patient application 114 when the at-home cardiac rehabilitation exercise is completed for an appropriate exercise stage for an allotted time, and then causes the exercise to end. The wearable electrocardiogram patch 110 generates an alarm to terminate at-home cardiac rehabilitation when a patient in the process of recovering from surgery performs an exercise for a preset exercise intensity when a preset exercise time is reached.

The wearable electrocardiogram patch 110 stores the current exercise load (S840). In step S840, the wearable ECG patch 110 stores the current exercise load performed when the home cardiac rehabilitation exercise is finished. The wearable electrocardiogram patch 110 matches the intensity of exercise performed by the patient with the amount of exercise and stores it as a patient application 114 every day.

As a result of checking in step S820, if at-home cardiac rehabilitation starts in the wearable ECG patch 110, the hospital server 120 motors the at-home cardiac rehabilitation exercise status for each patient (S852). In step S852, the hospital server 120 displays an electrocardiogram, risk index, respiration, heart rate (HR), calories burned, standard exercise load, current exercise load, exercise time, etc.

When receiving an emergency notification from the wearable electrocardiogram patch 110, the hospital server 120 checks whether or not there is an emergency (S854). In step S854, the hospital server 120 continuously monitors an emergency situation with a risk index using arrhythmia, ST segment change, and heart rate based on the information received from the wearable electrocardiogram patch 110, and if an emergency occurs, monitoring Trigger an alarm on the screen. The hospital server 120 transmits situational guidance and an exercise stop command to the patient terminal 112 .

The hospital server 120 manages the patient's condition after stopping the monitoring (S856). In step S856, the hospital server 120 checks for an emergency situation, and if there is no problem, the hospital server 120 contacts the patient. If it is determined that there is a problem, the hospital server 120 sends first responders to the location of the patient.

Although it is described in FIG. 8 that steps S810 to S856 are sequentially executed, it is not necessarily limited thereto. In other words, since it will be applicable to changing and executing the steps described in FIG. 8 or executing one or more steps in parallel, FIG. 8 is not limited to a time-sequential order.

As described above, the at-home cardiac rehabilitation process according to the present embodiment described in FIG. 8 may be implemented as a program and recorded on a computer-readable recording medium. The computer-readable recording medium on which the program for implementing the at-home cardiac rehabilitation process according to the present embodiment is recorded includes all kinds of recording devices storing data readable by a computer system.

9 is a diagram showing an example of a screen for patient monitoring according to the present embodiment.

The hospital server 120 monitors patients one to one and determines whether an emergency occurs.

The hospital server 120 outputs a risk index, respiration, and heart rate (HR) for each patient identification information. The hospital server 120 outputs the setting step, exercise step, calorie consumption, and exercise time for each patient identification information. The hospital server 120 outputs whether or not exercise steps have been achieved as many as the set steps for each patient identification information. The hospital server 120, when the preset exercise time is maintained while achieving the exercise step as much as the set step, causes the exercise to end and outputs the calories consumed.

The hospital server 120 can be used not only for at-home cardiac rehabilitation but also for determining an individual's exercise state and strength. The hospital server 120 can reduce the mortality and recurrence rates of cardiovascular diseases by activating home cardiac rehabilitation.

The hospital server 120 registers appropriate exercise load values and risk factors for each cardiac rehabilitation patient. The hospital server 120 monitors the patient's condition together with the hospital server 120 when a patient recovering from surgery goes home and attaches the wearable electrocardiogram patch 110 and starts home cardiac rehabilitation.

The above description is merely an example of the technical idea of the present embodiment, and various modifications and variations can be made to those skilled in the art without departing from the essential characteristics of the present embodiment. Therefore, the present embodiments are not intended to limit the technical idea of the present embodiment, but to explain, and the scope of the technical idea of the present embodiment is not limited by these embodiments. The scope of protection of this embodiment should be construed according to the claims below, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of rights of this embodiment.

110: wearable electrocardiogram patch
112: patient terminal
114: patient application
120: hospital server
130: medical staff device

Claims (13)

A hospital server that measures an actual VO2 Max value for a cardiac rehabilitation patient using a measuring device and sets and inputs a reference exercise load based on the actual VO2 Max value;
After being connected to the hospital server and inputting the standard exercise load, it is attached to the cardiac rehabilitation patient, calculates a predicted VO2 Max value with sensing information obtained based on a sensor, and calculates a current exercise load based on the predicted VO2 Max value A wearable electrocardiogram patch configured to generate feedback according to a difference between the reference exercise load input from the hospital server and the determined current exercise load as a notification after determination,
The wearable electrocardiogram patch,
Electrocardiogram information (x ₁ ), acceleration information (x ₂ ), and gyro information (x ₃ ) are extracted from the sensing information, and height information (x ₄ ), weight information (x ₅ ), and gender information are extracted from pre-stored user information. (x ₆ ) is extracted, and the electrocardiogram information (x ₁ ), the acceleration information (x ₂ ), the gyro information (x ₃ ), the height information (x ₄ ), the weight information (x ₅ ), the gender The at-home cardiac rehabilitation system, characterized in that for calculating the predicted VO2 Max value based on information (x ₆ ). According to claim 1,
The wearable electrocardiogram patch,
If the current exercise load is lower than the reference exercise load, at-home cardiac rehabilitation system, characterized in that for outputting a feedback to increase the current exercise load as a notification. According to claim 1,
The wearable electrocardiogram patch,
If the current exercise load is higher than the reference exercise load, at-home cardiac rehabilitation system, characterized in that for outputting a feedback to lower the current exercise load as a notification. According to claim 1,
The wearable electrocardiogram patch,
When the current exercise load is maintained in the same state as the reference exercise load for an exercise time allocated, the at-home cardiac rehabilitation system determines that the at-home cardiac rehabilitation exercise is completed and outputs an alarm to stop the at-home cardiac rehabilitation. According to claim 4,
The wearable electrocardiogram patch,
When it is determined that the at-home cardiac rehabilitation exercise is completed, the at-home cardiac rehabilitation system characterized in that for storing the current exercise load and the exercise time for the cardiac rehabilitation patient by matching and storing them as a corresponding patient application. According to claim 1,
The hospital server
The home cardiac rehabilitation system, characterized in that for setting one of the base (Base), stage 1, stage 2, stage 3 as the reference exercise load according to the actual VO2 Max value. delete According to claim 1,
The wearable electrocardiogram patch,
A value obtained by applying a weight (α) to the electrocardiogram information (x ₁ ), a value obtained by applying a weight (β) to the acceleration information (x ₂ ), a value obtained by applying a weight (γ) to the gyro information (x ₃ ), and the key The value obtained by applying the weight (δ) to the information (x ₄ ), the value obtained by applying the weight (ε) to the weight information (x ₅ ), and the sum of the gender information (x ₆ ) are calculated as the predicted VO2 Max value At-home cardiac rehabilitation system, characterized in that. According to claim 1,
The wearable electrocardiogram patch,
The at-home cardiac rehabilitation system, characterized in that determining one of Base, Stage 1, Stage 2, and Stage 3 as the current exercise load according to the predicted VO2 Max value. According to claim 1,
The wearable electrocardiogram patch,
If it is determined that an emergency has occurred based on the sensing information, the home cardiac rehabilitation system, characterized in that for generating an exercise stop alarm. According to claim 10,
The wearable ECG patch
Among the electrocardiogram waveforms of the electrocardiogram information included in the sensing information, an ST score corresponding to a change in the ST segment, an arrhythmia score according to whether arrhythmia occurs, a heart rate score corresponding to a heart rate range, and A warning score is calculated based on the VO2 score corresponding to the predicted VO2 Max (the amount of oxygen consumed by the body during maximum exercise intensity), and if the warning score exceeds the preset threshold score, the emergency At-home cardiac rehabilitation system, characterized in that to determine that the situation has occurred. According to claim 11,
The wearable ECG patch
Each of the ST score, the arrhythmia score, the heart rate score, and the VO2 score is calculated within a preset score range, and the total sum of the ST score, the arrhythmia score, the heart rate score, and the VO2 score is equal to or greater than a first threshold score. , it is determined as the emergency situation and outputs a yellow alarm as a notification, and if the total score is greater than or equal to a second threshold score, it is determined as the emergency situation and a red alarm is output as a notification. According to claim 1,
The hospital server,
Outputting the reference exercise load, the current exercise load, and a warning score for the cardiac rehabilitation patient while motoring the home cardiac rehabilitation exercise state for the cardiac rehabilitation patient at the time when the home cardiac rehabilitation starts in the wearable electrocardiogram patch At-home cardiac rehabilitation system, characterized in that.

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