4.6 Article

Artificial neural network model to predict post-hepatectomy early recurrence of hepatocellular carcinoma without macroscopic vascular invasion

Journal

BMC CANCER
Volume 21, Issue 1, Pages -

Publisher

BMC
DOI: 10.1186/s12885-021-07969-4

Keywords

Hepatocellular carcinoma; Curative hepatectomy; Early recurrence; Prognostic factors; Artificial neural network

Categories

Funding

  1. National Science Foundation of China Youth Fund Project [81803007, 81660498]
  2. 66th Chinese Post-Doctoral Science Foundation Project [2019 M663412]
  3. Project of GuangXi Natural Science Foundation [2019JJA140151, 2017GXNSFBA198234]

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The study found that an artificial neural network model can predict PHER for HCC patients more accurately, aiding in determining postoperative treatment and monitoring.
BackgroundThe accurate prediction of post-hepatectomy early recurrence (PHER) of hepatocellular carcinoma (HCC) is vital in determining postoperative adjuvant treatment and monitoring. This study aimed to develop and validate an artificial neural network (ANN) model to predict PHER in HCC patients without macroscopic vascular invasion.MethodsNine hundred and three patients who underwent curative liver resection for HCC participated in this study. They were randomly divided into derivation (n=679) and validation (n=224) cohorts. The ANN model was developed in the derivation cohort and subsequently verified in the validation cohort.ResultsPHER morbidity in the derivation and validation cohorts was 34.8 and 39.2%, respectively. A multivariable analysis revealed that hepatitis B virus deoxyribonucleic acid load, gamma -glutamyl transpeptidase level, alpha -fetoprotein level, tumor size, tumor differentiation, microvascular invasion, satellite nodules, and blood loss were significantly associated with PHER. These factors were incorporated into an ANN model, which displayed greater discriminatory abilities than a Cox's proportional hazards model, preexisting recurrence models, and commonly used staging systems for predicting PHER. The recurrence-free survival curves were significantly different between patients that had been stratified into two risk groups.ConclusionWhen compared to other models and staging systems, the ANN model has a significant advantage in predicting PHER for HCC patients without macroscopic vascular invasion.

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