Andrew Cagan
Partners HealthCare
18 Papers
57 Citations
Andrew Cagan is an academic researcher from Partners HealthCare. The author has contributed to research in topics: Medicine & Cohort. The author has an hindex of 13, co-authored 18 publications. Previous affiliations of Andrew Cagan include Harvard University.
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Papers
Normalization of plasma 25-hydroxy vitamin D is associated with reduced risk of surgery in Crohn's disease.
Ashwin N. Ananthakrishnan,Andrew Cagan,Vivian S. Gainer,Tianxi Cai,Su Chun Cheng,Guergana Savova,Pei Chen,Peter Szolovits,Zongqi Xia,Zongqi Xia,Philip L. De Jager,Philip L. De Jager,Stanley Y. Shaw,Susanne Churchill,Elizabeth W. Karlson,Elizabeth W. Karlson,Isaac S. Kohane,Isaac S. Kohane,Isaac S. Kohane,Robert M. Plenge,Robert M. Plenge,Shawn N. Murphy,Shawn N. Murphy,Katherine P. Liao,Katherine P. Liao +24 more
TL;DR: In this paper, the authors suggest that vitamin D may have an immunological role in Crohn's disease (CD) and ulcerative colitis (UC) and that there is a weak association between vitamin D status and disease activity but have significant limitations.
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Sentiment Measured in Hospital Discharge Notes Is Associated with Readmission and Mortality Risk: An Electronic Health Record Study.
Thomas H. McCoy,Victor M. Castro,Victor M. Castro,Andrew Cagan,Andrew Cagan,Ashlee M. Roberson,Isaac S. Kohane,Roy H. Perlis +7 more
TL;DR: Automated characterization of discharge notes in terms of sentiment identifies differences between sociodemographic groups, as well as in clinical outcomes, and is not explained by differences in diagnosis.
Thromboprophylaxis is associated with reduced post-hospitalization venous thromboembolic events in patients with inflammatory bowel diseases.
Ashwin N. Ananthakrishnan,Andrew Cagan,Vivian S. Gainer,Su Chun Cheng,Tianxi Cai,Elizabeth A. Scoville,Gauree G. Konijeti,Peter Szolovits,Stanley Y. Shaw,Susanne Churchill,Elizabeth W. Karlson,Shawn N. Murphy,Isaac S. Kohane,Katherine P. Liao,Katherine P. Liao +14 more
TL;DR: In this paper, the authors analyzed the frequency of venous thromboembolism (VTE) after IBD-related hospitalization, risk factors for post-hospitalization VTE, and the efficacy of prophylaxis in preventing posthospitalisation VTE.
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Comparative Effectiveness of Infliximab and Adalimumab in Crohn's Disease and Ulcerative Colitis.
Ashwin N. Ananthakrishnan,Andrew Cagan,Tianxi Cai,Vivian S. Gainer,Stanley Y. Shaw,Guergana Savova,Susanne Churchill,Elizabeth W. Karlson,Isaac S. Kohane,Katherine P. Liao,Shawn N. Murphy +10 more
TL;DR: A modestly higher likelihood of symptomatic nonresponse at 1 year for ADA compared with IFX in patients with CD is identified, suggesting these treatments are broadly comparable in effectiveness in routine clinical practice.
Mortality and extraintestinal cancers in patients with primary sclerosing cholangitis and inflammatory bowel disease.
Ashwin N. Ananthakrishnan,Andrew Cagan,Vivian S. Gainer,Su Chun Cheng,Tianxi Cai,Peter Szolovits,Stanley Y. Shaw,Susanne Churchill,Elizabeth W. Karlson,Elizabeth W. Karlson,Shawn N. Murphy,Shawn N. Murphy,Isaac S. Kohane,Isaac S. Kohane,Isaac S. Kohane,Katherine P. Liao,Katherine P. Liao +16 more
TL;DR: It is found that primary sclerosing cholangitis-PSC is associated with increased risk of colorectal and pancreatobiliary cancer but not with excess risk of other solid organ cancers.