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Early-warning of ARDS using novelty detection and data fusion

Abstract : Acute respiratory distress syndrome (ARDS) is a critical condition that disturbs the respiratory system and may lead to death. Early identification of this syndrome is crucial for the implementation of preventive measures. The present paper focuses on the prediction of the onset of this syndrome using physiological records of patients. Heart rate, respiratory rate, peripheral arterial oxygen saturation and mean airway blood pressure were considered. The method proposed in this paper uses first distance-based novelty detection that allows detecting deviations from normal states for each signal. Then, linear and nonlinear kernel-based data fusion algorithms are introduced to combine the individual signal decisions. The proposed method is evaluated using the MIMIC II physiological database. As a result, ARDS is detected in the early phases of occurrence with sensitivity and specificity of 65% and 100% respectively for the combination of all the signals in study. Moreover, the proposed method outperforms current state-of-the-art methods in real-time surveillance of ARDS using only physiological data with an average prediction before 39 h of onset.
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Submitted on : Tuesday, October 8, 2019 - 5:18:19 PM
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Aline Taoum, Farah Mourad-Chehade, Hassan Amoud. Early-warning of ARDS using novelty detection and data fusion. Computers in Biology and Medicine, Elsevier, 2018, 102, pp.191-199. ⟨10.1016/j.compbiomed.2018.09.030⟩. ⟨hal-02308817⟩



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