The use of automated data extraction tools to develop a solid organ transplant registry: Proof of concept study of bloodstream infections - 19/01/21
, Terrence Liu b, 1, Donglu Xie c, Beverley Adams-Huet d, DuWayne L. Willett e, Robert W. Haley f, David E. Greenberg a, gHighlights |
• | Our study illustrates the usefulness of an electronic health record-based registry using automated extraction tools for clinical research. |
• | During the first-year post-solid organ transplantation the most common sources of bloodstream infections are preventable. |
• | In multivariable analysis, a bloodstream infection was associated with a higher hazard ratio for 1-year mortality. |
Summary |
Background |
We created an electronic health record-based registry using automated data extraction tools to study the epidemiology of bloodstream infections (BSI) in solid organ transplant recipients. The overarching goal was to determine the usefulness of an electronic health record-based registry using data extraction tools for clinical research in solid organ transplantation.
Methods |
We performed a retrospective single-center cohort study of adult solid organ transplant recipients from 2010 to 2015. Extraction tools were used to retrieve data from the electronic health record, which was integrated with national data sources. Electronic health records of subjects with positive blood cultures were manually adjudicated using consensus definitions. One-year cumulative incidence, risk factors for BSI acquisition, and 1-year mortality were analyzed by Kaplan–Meier method and Cox modeling, and 30-day mortality with logistic regression.
Results |
In 917 solid organ transplant recipients the cumulative incidence of BSI was 8.4% (95% confidence interval 6.8–10.4) with central line-associated BSI as the most common source. The proportion of multidrug-resistant isolates increased from 0% in 2010 to 47% in 2015 (p = 0.03). BSI was the strongest risk factor for 1-year mortality (HR=8.44; 4.99–14.27; p<0.001). In 11 of 14 deaths, BSI was the main cause or contributory in patients with non-rapidly fatal underlying conditions.
Conclusions |
Our study illustrates the usefulness of an electronic health record-based registry using automated extraction tools for clinical research in the field of solid organ transplantation. A BSI reduces the 1-year survival of solid organ transplant recipients. The most common sources of BSIs in our studies are preventable.
Le texte complet de cet article est disponible en PDF.Keywords : Bloodstream infections, Solid organ transplant recipients, Electronic databases, Epidemiology, Informatics
Abbreviations : BSI, CDC, CLABSI, EHR, MDRO, OPTN, SOT, SRTR, STAR, SSDI, UNOS, US, UT
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Vol 82 - N° 1
P. 41-47 - janvier 2021 Retour au numéro
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