Patient state prediction apparatus, patient state prediction method, and prediction program

A prediction device and prediction method technology, applied in predicting the patient's condition changes and abnormal fields, can solve problems such as shortage of manpower, and achieve the effect of high-precision prediction

Pending Publication Date: 2021-10-12
HITACHI HEALTHCARE MFG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the ICU (Intensive Care Unit), vital data (biological information) related to the patient's breathing, circulation, central nervous system, immunity, kidney function, blood, etc. are monitored and patients are triaged, but the number of patients is increasing , Insufficient manpower of doctors and nurses specializing in ICU, reducing the load on the site is an urgent problem

Method used

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  • Patient state prediction apparatus, patient state prediction method, and prediction program
  • Patient state prediction apparatus, patient state prediction method, and prediction program
  • Patient state prediction apparatus, patient state prediction method, and prediction program

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Embodiment approach 1

[0053] This embodiment is a prediction method, which includes the following steps: an analysis step, respectively analyzing the patient's biological information and patient diagnosis and treatment information other than the biological information, and extracting feature quantities; a fusion step, fusing the biological information feature quantities and diagnosis and treatment information features Quantity, generating fusion feature quantity; learning step, learning the relationship between biological information feature quantity and diagnosis and treatment information feature quantity; feature quantity change learning step, only according to the input of biological information, through feature quantity relationship learning, predicting fusion feature quantity and a predicting step of predicting the state of the patient using the predictive fusion feature quantity obtained through feature quantity variation learning.

[0054] Hereinafter, a specific configuration example of the ...

Embodiment approach 2

[0097] In Embodiment 1, the feature quantities of different types of patient information (biological information and medical information) are fused for a plurality of patients to generate fused feature quantities, and the correlation between the feature quantities of biological information and the fused feature quantities is learned. A fusion feature is estimated from the input feature quantity of the biological information of the patient to be predicted, and a predicted value of the patient state is obtained from the estimated fusion feature quantity. However, in this embodiment, the feature quantity extracted from multiple pieces of biological information is learned. Correlation with the feature quantity extracted from the biological information of a few items, which is a part of the multi-item biological information, input the biological information of the few items, and estimate the feature quantity of the multi-item biological information, thereby performing state predictio...

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Abstract

A prediction method of the present invention is able to generate fused feature quantities that can reflect the characteristics of a variety of data to predict the patient's state with high accuracy, even if inputting a different number of types of biological information and medical information from the learning data to a prediction model generated using learning data using a variety of biological information and medical information. The method includes an analysis step of extracting feature quantities by analyzing biometric information of a patient and medical care information of the patient other than the biometric information, a fusing step of generating a fused feature quantity by fusing the biometric information feature quantity and the medical care information feature quantity, a learning step of learning a relationship between the biometric information feature quantity and the medical care information feature quantity, a feature quantity mutation learning step of predicting the fused feature quantity by the feature quantity relationship learning from the input of only the biometric information, and a prediction step of predicting a patient state by using the predicted fused feature quantity obtained by the feature quantity mutation learning.

Description

technical field [0001] The present invention relates to a technique for predicting changes and abnormalities in a patient's condition. Background technique [0002] In the ICU (Intensive Care Unit), vital data (biological information) related to the patient's breathing, circulation, central nervous system, immunity, kidney function, blood, etc. are monitored and patients are triaged, but the number of patients is increasing , There is a shortage of doctors and nurses specializing in the ICU, and reducing the load on the scene is an urgent problem. [0003] In order to solve this problem, in recent years, the research and development of using the patient's biological information and diagnosis and treatment information to predict the sign of the patient's condition change and aggravation, and to apply it to the doctor's diagnosis support is being carried out. Patent Document 1 discloses a prediction technique using machine learning. Specifically, a technique is described in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G16H50/30G16H50/20G06N3/04G06N3/08G06N20/00
CPCG16H50/30G16H50/20G06N3/08G06N20/00G06N3/044G06N3/045G16H10/60G16H15/00G16H70/20G16H70/60G16H50/70
Inventor 黎子盛荻野昌宏吉光喜太郎内尾佳贵
Owner HITACHI HEALTHCARE MFG LTD
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