DKINet: Medication Recommendation via Domain Knowledge Informed Deep Learning

• URL: http://arxiv.org/abs/2305.19604v4
• Date: Wed, 8 May 2024 12:49:20 GMT
• Title: DKINet: Medication Recommendation via Domain Knowledge Informed Deep Learning
• Authors: Sicen Liu, Xiaolong Wang, Xianbing Zhao, Hao Chen,
• Abstract summary: Medication recommendation is a fundamental yet crucial branch of healthcare. Previous studies have primarily focused on learning patient representation from electronic health records. We propose a knowledge injection module that addresses the effective integration of domain knowledge with complex clinical manifestations.
• Score: 12.609882335746859
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Medication recommendation is a fundamental yet crucial branch of healthcare that presents opportunities to assist physicians in making more accurate medication prescriptions for patients with complex health conditions. Previous studies have primarily focused on learning patient representation from electronic health records (EHR). While considering the clinical manifestations of the patient is important, incorporating domain-specific prior knowledge is equally significant in diagnosing the patient's health conditions. However, effectively integrating domain knowledge with the patient's clinical manifestations can be challenging, particularly when dealing with complex clinical manifestations. Therefore, in this paper, we first identify comprehensive domain-specific prior knowledge, namely the Unified Medical Language System (UMLS), which is a comprehensive repository of biomedical vocabularies and standards, for knowledge extraction. Subsequently, we propose a knowledge injection module that addresses the effective integration of domain knowledge with complex clinical manifestations, enabling an effective characterization of the health conditions of the patient. Furthermore, considering the significant impact of a patient's medication history on their current medication, we introduce a historical medication-aware patient representation module to capture the longitudinal influence of historical medication information on the representation of current patients. Extensive experiments on three publicly benchmark datasets verify the superiority of our proposed method, which outperformed other methods by a significant margin. The code is available at: https://github.com/sherry6247/DKINet.

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