4.5 Article

Machine Learning-Based Automatic Classification of Video Recorded Neonatal Manipulations and Associated Physiological Parameters: A Feasibility Study

期刊

CHILDREN-BASEL
卷 8, 期 1, 页码 -

出版社

MDPI
DOI: 10.3390/children8010001

关键词

CNN; electronic medical records; IoT; LSTM; machine learning; neonatal intensive care units; physiological deviations; physiological parameters; streaming server; video monitoring

资金

  1. Child Health Imprints (CHIL) Pte. Ltd., Singapore

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This study aimed to use a deep learning system to classify neonatal manipulations and analyze their impact on physiological parameters, finding that diaper changes affect heart rate and oxygen saturation, while patting and tube feeding affect heart rate.
Our objective in this study was to determine if machine learning (ML) can automatically recognize neonatal manipulations, along with associated changes in physiological parameters. A retrospective observational study was carried out in two Neonatal Intensive Care Units (NICUs) between December 2019 to April 2020. Both the video and physiological data (heart rate (HR) and oxygen saturation (SpO(2))) were captured during NICU hospitalization. The proposed classification of neonatal manipulations was achieved by a deep learning system consisting of an Inception-v3 convolutional neural network (CNN), followed by transfer learning layers of Long Short-Term Memory (LSTM). Physiological signals prior to manipulations (baseline) were compared to during and after manipulations. The validation of the system was done using the leave-one-out strategy with input of 8 s of video exhibiting manipulation activity. Ten neonates were video recorded during an average length of stay of 24.5 days. Each neonate had an average of 528 manipulations during their NICU hospitalization, with the average duration of performing these manipulations varying from 28.9 s for patting, 45.5 s for a diaper change, and 108.9 s for tube feeding. The accuracy of the system was 95% for training and 85% for the validation dataset. In neonates <32 weeks' gestation, diaper changes were associated with significant changes in HR and SpO(2), and, for neonates >= 32 weeks' gestation, patting and tube feeding were associated with significant changes in HR. The presented system can classify and document the manipulations with high accuracy. Moreover, the study suggests that manipulations impact physiological parameters.

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