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Personalized risk predictor for acute cellular rejection in lung transplant using soluble CD31

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Tran-Dinh, Alexy | Laurent, Quentin | Even, Guillaume | Tanaka, Sébastien | Lortat-Jacob, Brice | Castier, Yves | Mal, Hervé | Messika, Jonathan | Mordant, Pierre | Nicoletti, Antonino | Montravers, Philippe | Caligiuri, Giuseppina | Morilla, Ian

Edité par CCSD ; Nature Publishing Group -

International audience. We evaluated the contribution of artificial intelligence in predicting the risk of acute cellular rejection (ACR) using early plasma levels of soluble CD31 (sCD31) in combination with recipient haematosis, which was measured by the ratio of arterial oxygen partial pressure to fractional oxygen inspired (PaO 2 /FiO 2 ) and respiratory SOFA (Sequential Organ Failure Assessment) within 3 days of lung transplantation (LTx). CD31 is expressed on endothelial cells, leukocytes and platelets and acts as a “peace-maker” at the blood/vessel interface. Upon nonspecific activation, CD31 can be cleaved, released, and detected in the plasma (sCD31). The study included 40 lung transplant recipients, seven (17.5%) of whom experienced ACR. We modelled the plasma levels of sCD31 as a nonlinear dependent variable of the PaO 2 /FiO 2 and respiratory SOFA over time using multivariate and multimodal models. A deep convolutional network classified the time series models of each individual associated with the risk of ACR to each individual in the cohort.

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