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Analyzing patient trajectories with artificial intelligence

Allam, Ahmed, Feuerriegel, Stefan, Rebhan, Michael and Krauthammer, Michael (2021) Analyzing patient trajectories with artificial intelligence. Journal of medical internet research, 23 (12). ISSN 1438-8871; 1439-4456


In digital medicine, patient data typically record health events over time (eg, through electronic health records, wearables, or other sensing technologies) and thus form unique patient trajectories. Patient trajectories are highly predictive of the future course of diseases and therefore facilitate effective care. However, digital medicine often uses only limited patient data, consisting of health events from only a single or small number of time points while ignoring additional information encoded in patient trajectories. To analyze such rich longitudinal data, new artificial intelligence (AI) solutions are needed. In this paper, we provide an overview of the recent efforts to develop trajectory-aware AI solutions and provide suggestions for future directions. Specifically, we examine the implications for developing disease models from patient trajectories along the typical workflow in AI: problem definition, data processing, modeling, evaluation, and interpretation. We conclude with a discussion of how such AI solutions will allow the field to build robust models for personalized risk scoring, subtyping, and disease pathway discovery.

Item Type: Article
Keywords: Artificial Intelligence, Trajectories, Real World Data
Date Deposited: 18 Dec 2021 00:45
Last Modified: 18 Dec 2021 00:45


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