Personal information

Activities

Employment (2)

Weill Cornell Medical College: New York, NY, US

2017-07 to present | Clinical Assistant Professor (Medicine)
Employment
Source: Self-asserted source
RuiJun Chen

Geisinger: Danville, PA, US

2020-09 to 2021-10 | Assistant Professor (Translational Data Science and Informatics)
Employment
Source: Self-asserted source
RuiJun Chen

Education and qualifications (4)

Columbia University: New York, NY, US

2018-09 to 2020-05 | Masters (Biomedical Informatics)
Education
Source: Self-asserted source
RuiJun Chen

UCSF Medical Center: San Francisco, CA, US

2014-06 to 2017-06 | Resident Physician (Medicine)
Qualification
Source: Self-asserted source
RuiJun Chen

Yale University School of Medicine: New Haven, CT, US

2009 to 2014 | MD
Education
Source: Self-asserted source
RuiJun Chen

Duke University: Durham, NC, US

2005 to 2009 | Bachelor's (Computer Science)
Education
Source: Self-asserted source
RuiJun Chen

Works (41)

An ECG-based machine learning model for predicting new-onset atrial fibrillation is superior to age and clinical features in identifying patients at high stroke risk

Journal of Electrocardiology
2023 | Journal article
EID:

2-s2.0-85142697250

Part of ISSN: 15328430 00220736
Contributors: Raghunath, S.; Pfeifer, J.M.; Kelsey, C.R.; Nemani, A.; Ruhl, J.A.; Hartzel, D.N.; Ulloa Cerna, A.E.; Jing, L.; vanMaanen, D.P.; Leader, J.B. et al.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Large-scale evidence generation and evaluation across a network of databases for type 2 diabetes mellitus (LEGEND-T2DM): a protocol for a series of multinational, real-world comparative cardiovascular effectiveness and safety studies

BMJ Open
2022 | Journal article
EID:

2-s2.0-85131703269

Part of ISSN: 20446055
Contributors: Khera, R.; Schuemie, M.J.; Lu, Y.; Ostropolets, A.; Chen, R.; Hripcsak, G.; Ryan, P.B.; Krumholz, H.M.; Suchard, M.A.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

RECHOmmend: An ECG-Based Machine Learning Approach for Identifying Patients at Increased Risk of Undiagnosed Structural Heart Disease Detectable by Echocardiography

Circulation
2022 | Journal article
EID:

2-s2.0-85134351008

Part of ISSN: 15244539 00097322
Contributors: Ulloa-Cerna, A.E.; Jing, L.; Pfeifer, J.M.; Raghunath, S.; Ruhl, J.A.; Rocha, D.B.; Leader, J.B.; Zimmerman, N.; Lee, G.; Steinhubl, S.R. et al.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Characterising the long-term clinical outcomes of 1190 hospitalised patients with COVID-19 in New York City: A retrospective case series

BMJ Open
2021 | Journal article
EID:

2-s2.0-85107469614

Part of ISSN: 20446055
Contributors: Shoucri, S.M.; Purpura, L.; Delaurentis, C.; Adan, M.A.; Theodore, D.A.; Irace, A.L.; Robbins-Juarez, S.Y.; Khedagi, A.M.; Letchford, D.; Harb, A.A. et al.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Erratum to: Large-Scale Evidence Generation and Evaluation across a Network of Databases (LEGEND): Assessing Validity Using Hypertension as a Case Study

Journal of the American Medical Informatics Association : JAMIA
2021 | Journal article
EID:

2-s2.0-85100280956

Part of ISSN: 1527974X
Contributors: Schuemie, M.J.; Ryan, P.B.; Pratt, N.; Chen, R.; You, S.C.; Krumholz, H.M.; Madigan, D.; Hripcsak, G.; Suchard, M.A.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Extending the OMOP common data model and standardized vocabularies to support observational cancer research

JCO Clinical Cancer Informatics
2021 | Journal article
EID:

2-s2.0-85099818926

Part of ISSN: 24734276
Contributors: Belenkaya, R.; Gurley, M.J.; Golozar, A.; Dymshyts, D.; Miller, R.T.; Williams, A.E.; Ratwani, S.; Siapos, A.; Korsik, V.; Warner, J. et al.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Obesity is independently associated with septic shock, renal complications, and mortality in a multiracial patient cohort hospitalized with COVID-19

PLoS ONE
2021 | Journal article
EID:

2-s2.0-85112760015

Part of ISSN: 19326203
Contributors: Page-Wilson, G.; Arakawa, R.; Nemeth, S.; Bell, F.; Girvin, Z.; Tuohy, M.-C.; Lauring, M.; Laferrère, B.; Reyes-Soffer, G.; Natarajan, K. et al.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

rECHOmmend: An ECG-based machine-learning approach for identifying patients at high-risk of undiagnosed structural heart disease detectable by echocardiography

medRxiv
2021 | Other
EID:

2-s2.0-85119576777

Contributors: Ulloa-Cerna, A.E.; Jing, L.; Pfeifer, J.M.; Raghunath, S.; Ruhl, J.A.; Rocha, D.B.; Leader, J.B.; Zimmerman, N.; Lee, G.; Steinhubl, S.R. et al.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Comparative First-Line Effectiveness and Safety of ACE (Angiotensin-Converting Enzyme) Inhibitors and Angiotensin Receptor Blockers: A Multinational Cohort Study

Hypertension
2021-09 | Journal article
Contributors: RuiJun Chen; Marc A. Suchard; Harlan M. Krumholz; Martijn J. Schuemie; Steven Shea; Jon Duke; Nicole Pratt; Christian G. Reich; David Madigan; Seng Chan You et al.
Source: check_circle
Crossref
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RESEARCH PROTOCOL: Large-scale evidence generation and evaluation across a network of databases for type 2 diabetes mellitus

2021-09-29 | Other
Contributors: Rohan Khera; Martijn J Scheumie; Yuan Lu; Anna Ostropolets; Ruijun Chen; George Hripcsak; Patrick B Ryan; Harlan M Krumholz; Marc A Suchard
Source: check_circle
Crossref
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Data Consult Service: Can we use observational data to address immediate clinical needs?

Journal of the American Medical Informatics Association
2021-09-18 | Journal article
Contributors: Anna Ostropolets; Philip Zachariah; Patrick Ryan; Ruijun Chen; George Hripcsak
Source: check_circle
Crossref
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Development and validation of prediction models for mechanical ventilation, renal replacement therapy, and readmission in COVID-19 patients

Journal of the American Medical Informatics Association
2021-07-14 | Journal article
Contributors: Victor Alfonso Rodriguez; Shreyas Bhave; Ruijun Chen; Chao Pang; George Hripcsak; Soumitra Sengupta; Noemie Elhadad; Robert Green; Jason Adelman; Katherine Schlosser Metitiri et al.
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Comprehensive Comparative Effectiveness and Safety of First-Line β-Blocker Monotherapy in Hypertensive Patients

Hypertension
2021-05 | Journal article
Contributors: Seng Chan You; Harlan M. Krumholz; Marc A. Suchard; Martijn J. Schuemie; George Hripcsak; RuiJun Chen; Steven Shea; Jon Duke; Nicole Pratt; Christian G. Reich et al.
Source: check_circle
Crossref
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Preferred source (of 2)‎

Measurement of clinical documentation burden among physicians and nurses using electronic health records: a scoping review

Journal of the American Medical Informatics Association
2021-04-23 | Journal article
Contributors: Amanda J Moy; Jessica M Schwartz; RuiJun Chen; Shirin Sadri; Eugene Lucas; Kenrick D Cato; Sarah Collins Rossetti
Source: check_circle
Crossref
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Preferred source (of 2)‎

Clinical Features and Outcomes of Patients with Dementia Compared to an Aging Cohort Hospitalized During the Initial New York City COVID-19 Wave

Journal of Alzheimer's Disease
2021-03 | Journal article
Part of ISSN: 1387-2877
Contributors: Amro A. Harb; RuiJun Chen; Herbert S. Chase; Karthik Natarajan; James M. Noble
Source: Self-asserted source
RuiJun Chen via Crossref Metadata Search
grade
Preferred source (of 2)‎

Characterization and clinical course of 1000 patients with coronavirus disease 2019 in New York: Retrospective case series

The BMJ
2020 | Journal article
EID:

2-s2.0-85085713060

Part of ISSN: 17561833 09598146
Contributors: Argenzian, M.G.; Bruc, S.L.; Slate, C.L.; Tia, J.R.; Baldwi, M.R.; Barr, R.G.; Chan, B.P.; Cha, K.H.; Cho, J.J.; Gavin, N. et al.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Characterizing physicians' information needs related to a gap in knowledge unmet by current evidence

JAMIA Open
2020 | Journal article
EID:

2-s2.0-85094220729

Part of ISSN: 25742531
Contributors: Ostropolets, A.; Chen, R.; Zhang, L.; Hripcsak, G.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Clinical characteristics of COVID-19 in New York City

New England Journal of Medicine
2020 | Journal article
EID:

2-s2.0-85084352830

Part of ISSN: 15334406 00284793
Contributors: Goyal, P.; Choi, J.J.; Pinheiro, L.C.; Schenck, E.J.; Chen, R.; Jabri, A.; Satlin, M.J.; Campion, T.R.; Nahid, M.; Ringel, J.B. et al.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Large-scale evidence generation and evaluation across a network of databases (LEGEND): assessing validity using hypertension as a case study

Journal of the American Medical Informatics Association
2020-08-01 | Journal article
Contributors: Martijn J Schuemie; Patrick B Ryan; Nicole Pratt; RuiJun Chen; Seng Chan You; Harlan M Krumholz; David Madigan; George Hripcsak; Marc A Suchard
Source: check_circle
Crossref
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Preferred source (of 2)‎

Principles of Large-scale Evidence Generation and Evaluation across a Network of Databases (LEGEND)

Journal of the American Medical Informatics Association
2020-08-01 | Journal article
Contributors: Martijn J Schuemie; Patrick B Ryan; Nicole Pratt; RuiJun Chen; Seng Chan You; Harlan M Krumholz; David Madigan; George Hripcsak; Marc A Suchard
Source: check_circle
Crossref
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Preferred source (of 2)‎

Obesity and COVID-19 in New York City: A Retrospective Cohort Study.

Annals of internal medicine
2020-07-06 | Journal article
Source: Self-asserted source
RuiJun Chen
grade
Preferred source (of 2)‎

Treatment Patterns for Chronic Comorbid Conditions in Patients With Cancer Using a Large-Scale Observational Data Network.

JCO clinical cancer informatics
2020-03-01 | Journal article
Source: Self-asserted source
RuiJun Chen
grade
Preferred source (of 2)‎

Comparison of Cardiovascular and Safety Outcomes of Chlorthalidone vs Hydrochlorothiazide to Treat Hypertension.

JAMA internal medicine
2020-02-17 | Journal article
Source: Self-asserted source
RuiJun Chen
grade
Preferred source (of 2)‎

Development and validation of a prognostic model predicting symptomatic hemorrhagic transformation in acute ischemic stroke at scale in the OHDSI network.

PloS one
2020-01-07 | Journal article
Source: Self-asserted source
RuiJun Chen
grade
Preferred source (of 2)‎

Comprehensive comparative effectiveness and safety of first-line antihypertensive drug classes: a systematic, multinational, large-scale analysis.

Lancet (London, England)
2019-10-24 | Journal article
Source: Self-asserted source
RuiJun Chen
grade
Preferred source (of 2)‎

Standardized Observational Cancer Research Using the OMOP CDM Oncology Module.

Studies in health technology and informatics
2019-08-01 | Journal article
Source: Self-asserted source
RuiJun Chen
grade
Preferred source (of 2)‎

Association of Tenofovir Use With Risk of Incident Heart Failure in HIV-Infected Patients

Journal of the American Heart Association
2017 | Journal article
EID:

2-s2.0-85030781848

Contributors: Chen, R.; Scherzer, R.; Hsue, P.Y.; Jotwani, V.; Estrella, M.M.; Horberg, M.A.; Grunfeld, C.; Shlipak, M.G.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Publication and reporting of clinical trial results: Cross sectional analysis across academic medical centers

BMJ (Online)
2016 | Journal article
EID:

2-s2.0-84960083687

Contributors: Chen, R.; Desai, N.R.; Ross, J.S.; Zhang, W.; Chau, K.H.; Wayda, B.; Murugiah, K.; Lu, D.Y.; Mittal, A.; Krumholz, H.M.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Response to Letter Regarding Article, "poorly Cited Articles in Peer-Reviewed Cardiovascular Journals from 1997 to 2007: Analysis of 5-Year Citation Rates"

Circulation
2016 | Journal article
EID:

2-s2.0-84961363091

Contributors: Ranasinghe, I.; Shojaee, A.; Bikdeli, B.; Gupta, A.; Chen, R.; Ross, J.S.; Masoudi, F.A.; Spertus, J.A.; Nallamothu, B.K.; Krumholz, H.M.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Hospital variation in admission to intensive care units for patients with acute myocardial infarction

American Heart Journal
2015 | Journal article
EID:

2-s2.0-84949507040

Contributors: Chen, R.; Strait, K.M.; Dharmarajan, K.; Li, S.-X.; Ranasinghe, I.; Martin, J.; Fazel, R.; Masoudi, F.A.; Cooke, C.R.; Nallamothu, B.K. et al.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Poorly cited articles in peer-reviewed cardiovascular journals from 1997 to 2007: Analysis of 5-year citation rates

Circulation
2015 | Journal article
EID:

2-s2.0-84936119304

Contributors: Ranasinghe, I.; Shojaee, A.; Bikdeli, B.; Gupta, A.; Chen, R.; Ross, J.S.; Masoudi, F.A.; Spertus, J.A.; Nallamothu, B.K.; Krumholz, H.M.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Do you see what I see? A randomised pilot study to evaluate the effectiveness and efficiency of simulation-based training with videolaryngoscopy for neonatal intubation

BMJ Simulation and Technology Enhanced Learning
2015-07 | Journal article
Part of ISSN: 2056-6697
Source: Self-asserted source
RuiJun Chen
grade
Preferred source (of 2)‎

Most important outcomes research papers on stroke and transient ischemic attack

Circulation: Cardiovascular Quality and Outcomes
2014 | Journal article
EID:

2-s2.0-84898746941

Contributors: Dreyer, R.; Murugiah, K.; Nuti, S.V.; Dharmarajan, K.; Chen, S.I.; Chen, R.; Wayda, B.; Ranasinghe, I.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Most important outcomes research papers on cardiovascular disease in women.

Circulation. Cardiovascular quality and outcomes
2013 | Journal article
EID:

2-s2.0-84880149015

Contributors: Gupta, A.; Lampropulos, J.F.; Bikdeli, B.; Mody, P.; Chen, R.; Kulkarni, V.T.; Dharmarajan, K.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Most important outcomes research papers on hypertension.

Circulation. Cardiovascular quality and outcomes
2013 | Journal article
EID:

2-s2.0-84895837118

Contributors: Chen, R.; Dharmarajan, K.; Kulkarni, V.T.; Punnanithinont, N.; Gupta, A.; Bikdeli, B.; Mody, P.S.; Ranasinghe, I.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Most important outcomes research papers on treatment of stable coronary artery disease.

Circulation. Cardiovascular quality and outcomes
2013 | Journal article
EID:

2-s2.0-84891718881

Contributors: Bikdeli, B.; Ranasinghe, I.; Chen, R.; Gupta, A.; Lampropulos, J.F.; Kulkarni, V.T.; Mody, P.S.; Dharmarajan, K.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Most important outcomes research papers on variation in cardiovascular disease.

Circulation. Cardiovascular quality and outcomes
2013 | Journal article
EID:

2-s2.0-84883682574

Contributors: Lampropulos, J.F.; Gupta, A.; Kulkarni, V.T.; Mody, P.; Chen, R.; Bikdeli, B.; Dharmarajan, K.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Near-peer teaching in a required third-year clerkship

Yale Journal of Biology and Medicine
2013 | Journal article
EID:

2-s2.0-84891121854

Contributors: Meller, S.M.; Chen, M.; Chen, R.; Haeseler, F.D.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Most important outcomes research papers on body weight, obesity and cardiovascular outcomes.

Circulation. Cardiovascular quality and outcomes
2013-11-12 | Journal article
Source: Self-asserted source
RuiJun Chen

Most Important Outcomes Research Papers on Device Therapies for Cardiomyopathies

Circulation: Cardiovascular Quality and Outcomes
2013-09 | Journal article
Part of ISSN: 1941-7713
Part of ISSN: 1941-7705
Source: Self-asserted source
RuiJun Chen

Most important outcomes research papers on valvular heart disease.

Circulation. Cardiovascular quality and outcomes
2012 | Journal article
EID:

2-s2.0-84874794984

Contributors: Lampropulos, J.F.; Bikdeli, B.; Gupta, A.; Mody, P.; Kulkarni, V.T.; Chen, R.; Dharmarajan, K.
Source: Self-asserted source
RuiJun Chen via Scopus - Elsevier

Peer review (3 reviews for 3 publications/grants)

Review activity for BMJ (1)
Review activity for Nature communications (1)
Review activity for Nature medicine. (1)