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Title of the item:

Use of Electronic Health Records and Geographic Information Systems in Public Health Surveillance of Type 2 Diabetes: A Feasibility Study

Title :
Use of Electronic Health Records and Geographic Information Systems in Public Health Surveillance of Type 2 Diabetes: A Feasibility Study
Authors :
Laranjo, Liliana
Rodrigues, David
Pereira, Ana Marta
Ribeiro, Rogério T
Boavida, José Manuel
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Subject Terms :
Public aspects of medicine
RA1-1270
Source :
JMIR Public Health and Surveillance, Vol 2, Iss 1, p e12 (2016)
Publisher :
JMIR Publications, 2016.
Publication Year :
2016
Collection :
LCC:Public aspects of medicine
Document Type :
article
File Description :
electronic resource
Language :
English
ISSN :
2369-2960
Relation :
http://publichealth.jmir.org/2016/1/e12/; https://doaj.org/toc/2369-2960
DOI :
10.2196/publichealth.4319
Access URL :
https://doaj.org/article/60709e9c436746c795e90e14cd196f71
Accession Number :
edsdoj.60709e9c436746c795e90e14cd196f71
Academic Journal
BackgroundData routinely collected in electronic health records (EHRs) offer a unique opportunity to monitor chronic health conditions in real-time. Geographic information systems (GIS) may be an important complement in the analysis of those data. ObjectiveThe aim of this study was to explore the feasibility of using primary care EHRs and GIS for population care management and public health surveillance of chronic conditions, in Portugal. Specifically, type 2 diabetes was chosen as a case study, and we aimed to map its prevalence and the presence of comorbidities, as well as to identify possible populations at risk for cardiovascular complications. MethodsCross-sectional study using individual-level data from 514 primary care centers, collected from three different types of EHRs. Data were obtained on adult patients with type 2 diabetes (identified by the International Classification of Primary Care [ICPC-2] code, T90, in the problems list). GISs were used for mapping the prevalence of diabetes and comorbidities (hypertension, dyslipidemia, and obesity) by parish, in the region of Lisbon and Tagus Valley. Descriptive statistics and multivariate logistic regression were used for data analysis. ResultsWe identified 205,068 individuals with the diagnosis of type 2 diabetes, corresponding to a prevalence of 5.6% (205,068/3,659,868) in the study population. The mean age of these patients was 67.5 years, and hypertension was present in 71% (144,938/205,068) of all individuals. There was considerable variation in diagnosed comorbidities across parishes. Diabetes patients with concomitant hypertension or dyslipidemia showed higher odds of having been diagnosed with cardiovascular complications, when adjusting for age and gender (hypertension odds ratio [OR] 2.16, confidence interval [CI] 2.10-2.22; dyslipidemia OR 1.57, CI 1.54-1.60). ConclusionsIndividual-level data from EHRs may play an important role in chronic disease surveillance, namely through the use of GIS. Promoting the quality and comprehensiveness of data, namely through patient involvement in their medical records, is crucial to enhance the feasibility and usefulness of this approach.

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