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ICU death risk assessment system based on deep learning

A deep learning and evaluation system technology, applied in the field of death risk prediction, can solve problems such as rough output results and inability to assess the risk of death of patients, and achieve the effect of close correlation and improved efficiency

Active Publication Date: 2022-01-28
XIAMEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the fixedness of the scoring criteria and the fact that neither of these two scoring criteria utilizes the dynamic characteristics of the patient’s physical signs data, the output results of the existing assessment system are relatively rough and cannot accurately assess the risk of death of the patient. Evaluate

Method used

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  • ICU death risk assessment system based on deep learning
  • ICU death risk assessment system based on deep learning
  • ICU death risk assessment system based on deep learning

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Experimental program
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Embodiment 1

[0033] Please refer to figure 1 As shown, the present invention discloses a deep learning-based ICU death risk assessment system, which includes an ICU historical database, a first data preprocessing module, a death risk assessment module, a second data preprocessing module, and a human-computer interaction module; The ICU historical database, the first data preprocessing module, the death risk assessment module and the human-computer interaction module are connected in sequence, and the human-computer interaction module, the second data preprocessing module and the death risk assessment module are connected in sequence.

[0034] The historical patient's sign data set and the real final state of the historical patient are stored in the ICU historical database. The first data preprocessing module extracts the historical patient's sign data set from the ICU historical database and performs preprocessing to obtain training sample data, and at the same time extracts the real final...

Embodiment 2

[0054] In this embodiment, the death risk assessment modules are respectively constructed using a one-way LSTM architecture and a two-way LSTM architecture, and the schematic diagrams of the models are as follows image 3 and Figure 4 shown, with figure 2 It can be seen from the comparison that for the models of the two LSTM architectures, the results are only output at the last time step, and the loss value Loss is calculated with the label Label to train the model.

[0055] Such as Figure 5 Shown is the evaluation effect comparison table of the ICU mortality risk assessment system constructed and trained using the unidirectional LSTM architecture (LSTM), bidirectional LSTM architecture (BiLSTM) and bidirectional supervised LSTM architecture (BiLSTM-ST). The ICU mortality risk assessment model based on the two-way supervised LSTM architecture is significantly better than that based on LSTM or BiLSTM architecture in terms of Precision (precision rate), Recall (recall rate...

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Abstract

The invention discloses an ICU death risk assessment system based on deep learning, which includes: ICU historical database, which stores the historical patient's sign data set and the historical patient's real final state; the first data preprocessing module, which is obtained from the Extract the historical patient's sign data set from the ICU historical database and perform preprocessing to obtain training sample data, and simultaneously extract the real final state of the patient and assign a label to the training sample data; the second data preprocessing module, which is extracted by The human-computer interaction module enters and preprocesses the sign data of the patient to be evaluated; the death risk assessment module is constructed based on a two-way supervisory LSTM neural network; it acquires training sample data and labels from the first data preprocessing module Values ​​are used for model training, and the trained model is used to obtain the sign data of the patient to be evaluated from the second data preprocessing module for evaluation, and finally the evaluation result is output through the human-computer interaction module.

Description

technical field [0001] The invention relates to the field of death risk prediction, in particular to an ICU death risk assessment system based on deep learning. Background technique [0002] At present, the SAPS and APACHE scoring standards are widely used in the hospital ICU to evaluate the risk of death of patients entering the ICU ward. The evaluation system based on these two evaluation methods is based on the data of more than 10 signs in the first 24 hours after the patient enters the ICU. , to assess the patient's physical condition, thereby helping doctors determine more timely and effective treatment measures. However, due to the fixedness of the scoring criteria and the fact that neither of these two scoring criteria utilizes the dynamic characteristics of the patient’s physical signs data, the output results of the existing assessment system are relatively rough and cannot accurately assess the risk of death of the patient. Evaluate. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G16H50/20G16H50/30G16H50/70
CPCG16H50/20G16H50/30G16H50/70
Inventor 范晓亮朱耀史佳王程陈龙彪
Owner XIAMEN UNIV
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