Cited by 50Organ Transplantation Techniques and OutcomesMedical Image Segmentation TechniquesRadiomics and Machine Learning in Medical Imaging

Use of Artificial Intelligence as an Innovative Method for Liver Graft Macrosteatosis Assessment

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Cesaretti, Manuela, Brustia, Raffaele, Goumard, Claire, Cauchy, François, Poté, Nicolas, Dondero, Federica, Paugam‐Burtz, Catherine, Durand, François +6 more·2020·Liver Transplantation

Abstract

The worldwide implementation of a liver graft pool using marginal livers (ie, grafts with a high risk of technical complications and impaired function or with a risk of transmitting infection or malignancy to the recipient) has led to a growing interest in developing methods for accurate evaluation of graft quality. Liver steatosis is associated with a higher risk of primary nonfunction, early graft dysfunction, and poor graft survival rate. The present study aimed to analyze the value of artificial intelligence (AI) in the assessment of liver steatosis during procurement compared with liver biopsy evaluation. A total of 117 consecutive liver grafts from brain-dead donors were included and classified into 2 cohorts: ≥30 versus <30% hepatic steatosis. AI analysis required the presence of an intraoperative smartphone liver picture as well as a graft biopsy and donor data. First, a new algorithm arising from current visual recognition methods was developed, trained, and validated to obtain automatic liver graft segmentation from smartphone images. Second, a fully automated texture analysis and classification of the liver graft was performed by machine-learning algorithms. Automatic liver graft segmentation from smartphone images achieved an accuracy (Acc) of 98%, whereas the analysis of the liver graft features (cropped picture and donor data) showed an Acc of 89% in graft classification (≥30 versus <30%). This study demonstrates that AI has the potential to assess steatosis in a handy and noninvasive way to reliably identify potential nontransplantable liver grafts and to avoid improper graft utilization.

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Authors
Cesaretti, M., Brustia, R., Goumard, C., Cauchy, F., Poté, N., Dondero, F., Paugam‐Burtz, C., Durand, F., Paradis, V., Diaspro, A., Mattos, L., Scatton, O., Soubrane, O., & Moccia, S.
Affiliations
  • Hôpital Beaujon (FR)
  • Pitié-Salpêtrière Hospital (FR)
  • Inserm (FR)
  • Department of HPB Surgery and Liver Transplantation,AP‐HP Hôpital Beaujon,Clichy,France
  • Department of Anesthesia and Intensive Care,Paris 7 Diderot University,Sorbonne Paris Cite,Paris,France
  • Department of Pathology,AP‐HP Hôpital Beaujon,Clichy,France
  • Italian Institute of Technology (IT)
  • Marche Polytechnic University (IT)
Corresponding author
Soubrane, Olivier
Venue
Liver Transplantation
Published
2020-09-17
Volume
26
Issue
10
Pages
1224-1232
ISSN
  • 1527-6465 (ISSN-L)
  • 1527-6473
OpenAlex
W3026577091
Cited by
50
References
23
Citations by year
2026: 9 · 2025: 9 · 2024: 8 · 2023: 12 · 2022: 7 · 2021: 4
FWCI
5.25
Type
journal article
Language
en
Open access
Locations
  • Liver Transplantation (publishedVersion)
  • PubMed (publishedVersion)
  • CINECA IRIS Institutional Research Information System (Sant'Anna School of Advanced Studies) (submittedVersion, other-oa)
  • CINECA IRIS Institutial Research Information System (University of Genoa) (submittedVersion)
  • Università Politecnica delle Marche (Università Politecnica delle Marche) (submittedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Organ Transplantation Techniques and Outcomes
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Medical Image Segmentation Techniques
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiomics and Machine Learning in Medical Imaging
Keywords
macrosteatosis, artificial intelligence, marginal liver grafts, brain-dead donors, liver biopsy, smartphone images, texture analysis, machine learning
MeSH terms
Artificial Intelligence, Fatty Liver, Graft Survival, Humans, Liver, Tissue Donors, Liver Transplantation

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