2022
DOI: 10.1002/ejp.1948
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Artificial intelligence to evaluate postoperative pain based on facial expression recognition

Abstract: Funding informationThis work has been funded equally by the Centre Hospitalier Universitaire de Nice (CHUN) and Orange SA. The CHUN designed and sponsored the study, performed the inclusions and data collection, interpreted the analysis, wrote the report and decided to submit it. Orange SA was in charge of the image processing, image data analysis, deep learning system development and statistical analysis.

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Cited by 30 publications
(29 citation statements)
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References 47 publications
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“…CNNs can be trained to identify patterns and features in images that may not be visible to human raters, potentially improving the accuracy and reliability of pain assessment [39]. Furthermore, CNNs can process large amounts of data quickly, making them a potentially useful tool in busy clinical settings [40].…”
Section: Discussionmentioning
confidence: 99%
“…CNNs can be trained to identify patterns and features in images that may not be visible to human raters, potentially improving the accuracy and reliability of pain assessment [39]. Furthermore, CNNs can process large amounts of data quickly, making them a potentially useful tool in busy clinical settings [40].…”
Section: Discussionmentioning
confidence: 99%
“…The principal outcomes differed among studies. For instance, one study focused only on the detection of pain [35], eight studies only on the estimation of multilevel pain intensity [36,37,39,41,42,44,45,48], and four studied both the detection of pain and the assessment of multilevel pain intensity [40,46,47,49]. Additionally, two studies proposed their automated detection model to differentiate between genuine and faked facial expressions of pain [38,43].…”
Section: Current Evidence Of Ai-based Pain Detection Through Facial E...mentioning
confidence: 99%
“…Four studies applied their automated pain detection systems to videos from their recruited patients [36,38,43,49], and eleven used them on at least one public database of pre-recorded patients experiencing pain [35,37,[39][40][41][42][44][45][46][47][48].…”
Section: Current Evidence Of Ai-based Pain Detection Through Facial E...mentioning
confidence: 99%
See 1 more Smart Citation
“…Another application of ML is the recognition of pain-related facial expressions. 20 Pain intensity was assessed in 1,189 adult patients undergoing surgery, and 2,971 photographs of facial expressions were included, most of which (44%) were taken when patients were not in pain, while only 13.5% of photographs were taken when patients were in severe pain of ≥7 on an 11-point Numerical Rating Scale. After splitting the data set into training/testing/validation subsets, a convolutional neural network was trained to predict pain intensity based on facial expression.…”
Section: Introductionmentioning
confidence: 99%