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The Dutch Data Warehouse, a multicenter and full-admission electronic health records database for critically ill COVID-19 patients.


ABSTRACT:

Background

The Coronavirus disease 2019 (COVID-19) pandemic has underlined the urgent need for reliable, multicenter, and full-admission intensive care data to advance our understanding of the course of the disease and investigate potential treatment strategies. In this study, we present the Dutch Data Warehouse (DDW), the first multicenter electronic health record (EHR) database with full-admission data from critically ill COVID-19 patients.

Methods

A nation-wide data sharing collaboration was launched at the beginning of the pandemic in March 2020. All hospitals in the Netherlands were asked to participate and share pseudonymized EHR data from adult critically ill COVID-19 patients. Data included patient demographics, clinical observations, administered medication, laboratory determinations, and data from vital sign monitors and life support devices. Data sharing agreements were signed with participating hospitals before any data transfers took place. Data were extracted from the local EHRs with prespecified queries and combined into a staging dataset through an extract-transform-load (ETL) pipeline. In the consecutive processing pipeline, data were mapped to a common concept vocabulary and enriched with derived concepts. Data validation was a continuous process throughout the project. All participating hospitals have access to the DDW. Within legal and ethical boundaries, data are available to clinicians and researchers.

Results

Out of the 81 intensive care units in the Netherlands, 66 participated in the collaboration, 47 have signed the data sharing agreement, and 35 have shared their data. Data from 25 hospitals have passed through the ETL and processing pipeline. Currently, 3464 patients are included in the DDW, both from wave 1 and wave 2 in the Netherlands. More than 200 million clinical data points are available. Overall ICU mortality was 24.4%. Respiratory and hemodynamic parameters were most frequently measured throughout a patient's stay. For each patient, all administered medication and their daily fluid balance were available. Missing data are reported for each descriptive.

Conclusions

In this study, we show that EHR data from critically ill COVID-19 patients may be lawfully collected and can be combined into a data warehouse. These initiatives are indispensable to advance medical data science in the field of intensive care medicine.

SUBMITTER: Fleuren LM 

PROVIDER: S-EPMC8381710 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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The Dutch Data Warehouse, a multicenter and full-admission electronic health records database for critically ill COVID-19 patients.

Fleuren Lucas M LM   Dam Tariq A TA   Tonutti Michele M   de Bruin Daan P DP   Lalisang Robbert C A RCA   Gommers Diederik D   Cremer Olaf L OL   Bosman Rob J RJ   Rigter Sander S   Wils Evert-Jan EJ   Frenzel Tim T   Dongelmans Dave A DA   de Jong Remko R   Peters Marco M   Kamps Marlijn J A MJA   Ramnarain Dharmanand D   Nowitzky Ralph R   Nooteboom Fleur G C A FGCA   de Ruijter Wouter W   Urlings-Strop Louise C LC   Smit Ellen G M EGM   Mehagnoul-Schipper D Jannet DJ   Dormans Tom T   de Jager Cornelis P C CPC   Hendriks Stefaan H A SHA   Achterberg Sefanja S   Oostdijk Evelien E   Reidinga Auke C AC   Festen-Spanjer Barbara B   Brunnekreef Gert B GB   Cornet Alexander D AD   van den Tempel Walter W   Boelens Age D AD   Koetsier Peter P   Lens Judith J   Faber Harald J HJ   Karakus A A   Entjes Robert R   de Jong Paul P   Rettig Thijs C D TCD   Arbous Sesmu S   Vonk Sebastiaan J J SJJ   Fornasa Mattia M   Machado Tomas T   Houwert Taco T   Hovenkamp Hidde H   Noorduijn-Londono Roberto R   Quintarelli Davide D   Scholtemeijer Martijn G MG   de Beer Aletta A AA   Cina Giovanni G   Beudel Martijn M   Herter Willem E WE   Girbes Armand R J ARJ   Hoogendoorn Mark M   Thoral Patrick J PJ   Elbers Paul W G PWG  

Critical care (London, England) 20210823 1


<h4>Background</h4>The Coronavirus disease 2019 (COVID-19) pandemic has underlined the urgent need for reliable, multicenter, and full-admission intensive care data to advance our understanding of the course of the disease and investigate potential treatment strategies. In this study, we present the Dutch Data Warehouse (DDW), the first multicenter electronic health record (EHR) database with full-admission data from critically ill COVID-19 patients.<h4>Methods</h4>A nation-wide data sharing col  ...[more]

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