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Improving the quality of end-of-life care for hospitalized patients is a priority for healthcare organizations. Studies have shown that physicians tend to over-estimate prognoses, which in combination with treatment inertia results in a…

计算机与社会 · 计算机科学 2017-11-20 Anand Avati , Kenneth Jung , Stephanie Harman , Lance Downing , Andrew Ng , Nigam H. Shah

We develop an unsupervised probabilistic model for heterogeneous Electronic Health Record (EHR) data. Utilizing a mixture model formulation, our approach directly models sequences of arbitrary length, such as medications and laboratory…

机器学习 · 计算机科学 2022-09-02 Alan D. Kaplan , John D. Greene , Vincent X. Liu , Priyadip Ray

Electronic Health Records (EHR) are high-dimensional data with implicit connections among thousands of medical concepts. These connections, for instance, the co-occurrence of diseases and lab-disease correlations can be informative when…

机器学习 · 计算机科学 2021-03-29 Weicheng Zhu , Narges Razavian

Substantial increase in the use of Electronic Health Records (EHRs) has opened new frontiers for predictive healthcare. However, while EHR systems are nearly ubiquitous, they lack a unified code system for representing medical concepts.…

机器学习 · 计算机科学 2022-03-21 Kyunghoon Hur , Jiyoung Lee , Jungwoo Oh , Wesley Price , Young-Hak Kim , Edward Choi

This research presents an examination of categorizing the severity states of patients based on their electronic health records during a certain time range using multiple machine learning and deep learning approaches. The suggested method…

Electronic healthcare records are an important source of information which can be used in patient stratification to discover novel disease phenotypes. However, they can be challenging to work with as data is often sparse and irregularly…

Today, despite decades of developments in medicine and the growing interest in precision healthcare, vast majority of diagnoses happen once patients begin to show noticeable signs of illness. Early indication and detection of diseases,…

The electronic health record (EHR) provides an unprecedented opportunity to build actionable tools to support physicians at the point of care. In this paper, we investigate survival analysis in the context of EHR data. We introduce deep…

机器学习 · 统计学 2016-09-20 Rajesh Ranganath , Adler Perotte , Noémie Elhadad , David Blei

Classical probabilistic graphical models face fundamental challenges in modern data environments, which are characterized by high dimensionality, source heterogeneity, and stringent data-sharing constraints. In this work, we revisit the…

统计方法学 · 统计学 2025-11-05 Zebin Wang , Ziming Gan , Weijing Tang , Zongqi Xia , Tianrun Cai , Tianxi Cai , Junwei Lu

While pioneering deep learning methods have made great strides in analyzing electronic health record (EHR) data, they often struggle to fully capture the semantics of diverse medical codes from limited data. The integration of external…

机器学习 · 计算机科学 2024-08-26 Zhihao Yu , Yujie Jin , Yongxin Xu , Xu Chu , Yasha Wang , Junfeng Zhao

Extracting actionable insight from Electronic Health Records (EHRs) poses several challenges for traditional machine learning approaches. Patients are often missing data relative to each other; the data comes in a variety of modalities,…

机器学习 · 计算机科学 2018-11-13 Brandon Malone , Alberto Garcia-Duran , Mathias Niepert

Making the most use of abundant information in electronic health records (EHR) is rapidly becoming an important topic in the medical domain. Recent work presented a promising framework that embeds entire features in raw EHR data regardless…

机器学习 · 计算机科学 2023-05-11 Eunbyeol Cho , Min Jae Lee , Kyunghoon Hur , Jiyoun Kim , Jinsung Yoon , Edward Choi

Electronic Health Records (EHRs) contain rich, longitudinal patient information across structured (e.g., labs, vitals, and imaging) and unstructured (e.g., clinical notes) modalities. While deep learning models such as RNNs and Transformers…

机器学习 · 计算机科学 2026-02-18 Mohammad Al Olaimat , Shaika Chowdhury , Serdar Bozdag

Electronic Health Records (EHRs) provide vital contextual information to radiologists and other physicians when making a diagnosis. Unfortunately, because a given patient's record may contain hundreds of notes and reports, identifying…

Patient similarity assessment (PSA) is pivotal to evidence-based and personalized medicine, enabled by analyzing the increasingly available electronic health records (EHRs). However, machine learning approaches for PSA has to deal with…

机器学习 · 计算机科学 2022-02-04 Xian Wei , See Kiong Ng , Tongtong Zhang , Yingjie Liu

Electronic health records (EHR) are increasingly being used for constructing disease risk prediction models. Feature engineering in EHR data however is challenging due to their highly dimensional and heterogeneous nature. Low-dimensional…

计算与语言 · 计算机科学 2018-11-29 Spiros Denaxas , Pontus Stenetorp , Sebastian Riedel , Maria Pikoula , Richard Dobson , Harry Hemingway

In countries that enabled patients to choose their own providers, a common problem is that the patients did not make rational decisions, and hence, fail to use healthcare resources efficiently. This might cause problems such as overwhelming…

计算机与社会 · 计算机科学 2020-06-25 Lichin Chen , Yu Tsao , Ji-Tian Sheu

The advent of the Internet era has led to an explosive growth in the Electronic Health Records (EHR) in the past decades. The EHR data can be regarded as a collection of clinical events, including laboratory results, medication records,…

机器学习 · 计算机科学 2019-11-14 Zichang Wang , Haoran Li , Luchen Liu , Haoxian Wu , Ming Zhang

Determining phenotypes of diseases can have considerable benefits for in-hospital patient care and to drug development. The structure of high dimensional data sets such as electronic health records are often represented through an embedding…

Deep learning models exhibit state-of-the-art performance for many predictive healthcare tasks using electronic health records (EHR) data, but these models typically require training data volume that exceeds the capacity of most healthcare…

机器学习 · 计算机科学 2018-10-24 Edward Choi , Cao Xiao , Walter F. Stewart , Jimeng Sun