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Ponjoan A, Garre-Olmo J, Blanch J, Fages E, Alves-Cabratosa L, Martí-Lluch R, Comas-Cufí M, Parramon D, Garcia-Gil M, Ramos R. Is it time to use real-world data from primary care in Alzheimer's disease? Alzheimers Res Ther 2020; 12:60. [PMID: 32423489 PMCID: PMC7236302 DOI: 10.1186/s13195-020-00625-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 05/01/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND The analysis of real-world data in clinical research is rising, but its use to study dementia subtypes has been hardly addressed. We hypothesized that real-world data might be a powerful tool to update AD epidemiology at a lower cost than face-to-face studies, to estimate the prevalence and incidence rates of AD in Catalonia (Southern Europe), and to assess the adequacy of real-world data routinely collected in primary care settings for epidemiological research on AD. METHODS We obtained data from the System for the Development of Research in Primary Care (SIDIAP) database, which contains anonymized information of > 80% of the Catalan population. We estimated crude and standardized incidence rates and prevalences (95% confidence intervals (CI)) of AD in people aged at least 65 years living in Catalonia in 2016. RESULTS Age- and sex-standardized prevalence and incidence rate of AD were 3.1% (95%CI 2.7-3.6) and 4.2 per 1000 person-years (95%CI 3.8-4.6), respectively. Prevalence and incidence were higher in women and in the oldest people. CONCLUSIONS Our incidence and prevalence estimations were slightly lower than the recent face-to-face studies conducted in Spain and higher than other analyses of electronic health data from other European populations. Real-world data routinely collected in primary care settings could be a powerful tool to study the epidemiology of AD.
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Affiliation(s)
- Anna Ponjoan
- Vascular Health Research Group (ISV-Girona), Jordi Gol Institute for Primary Care Research (IDIAPJGol), Barcelona, Catalonia, Spain
- Girona Biomedical Research Institute (IDIBGi), Girona, Catalonia, Spain
- Autonomous University of Barcelona, Bellaterra (Cerdanyola del Vallès), Catalonia, Spain
| | - Josep Garre-Olmo
- Girona Biomedical Research Institute (IDIBGi), Girona, Catalonia, Spain
| | - Jordi Blanch
- Vascular Health Research Group (ISV-Girona), Jordi Gol Institute for Primary Care Research (IDIAPJGol), Barcelona, Catalonia, Spain
| | - Ester Fages
- Vascular Health Research Group (ISV-Girona), Jordi Gol Institute for Primary Care Research (IDIAPJGol), Barcelona, Catalonia, Spain
- Primary Care Services, Catalan Institute of Health (ICS), Girona, Catalonia, Spain
| | - Lia Alves-Cabratosa
- Vascular Health Research Group (ISV-Girona), Jordi Gol Institute for Primary Care Research (IDIAPJGol), Barcelona, Catalonia, Spain
| | - Ruth Martí-Lluch
- Vascular Health Research Group (ISV-Girona), Jordi Gol Institute for Primary Care Research (IDIAPJGol), Barcelona, Catalonia, Spain
- Girona Biomedical Research Institute (IDIBGi), Girona, Catalonia, Spain
- Autonomous University of Barcelona, Bellaterra (Cerdanyola del Vallès), Catalonia, Spain
| | - Marc Comas-Cufí
- Vascular Health Research Group (ISV-Girona), Jordi Gol Institute for Primary Care Research (IDIAPJGol), Barcelona, Catalonia, Spain
| | - Dídac Parramon
- Vascular Health Research Group (ISV-Girona), Jordi Gol Institute for Primary Care Research (IDIAPJGol), Barcelona, Catalonia, Spain
- Primary Care Services, Catalan Institute of Health (ICS), Girona, Catalonia, Spain
| | - María Garcia-Gil
- Vascular Health Research Group (ISV-Girona), Jordi Gol Institute for Primary Care Research (IDIAPJGol), Barcelona, Catalonia, Spain
| | - Rafel Ramos
- Vascular Health Research Group (ISV-Girona), Jordi Gol Institute for Primary Care Research (IDIAPJGol), Barcelona, Catalonia, Spain.
- Department of Medical Sciences, School of Medicine, Campus Salut, University of Girona, Girona, Catalonia, Spain.
- IDIAPJGol, c/ Maluquer Salvador, 11 baixos, 17002, Girona, Catalonia, Spain.
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Ponjoan A, Blanch J, Alves-Cabratosa L, Martí-Lluch R, Comas-Cufí M, Parramon D, del Mar Garcia-Gil M, Ramos R, Petersen I. Effects of extreme temperatures on cardiovascular emergency hospitalizations in a Mediterranean region: a self-controlled case series study. Environ Health 2017; 16:32. [PMID: 28376798 PMCID: PMC5379535 DOI: 10.1186/s12940-017-0238-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 03/20/2017] [Indexed: 05/27/2023]
Abstract
BACKGROUND Cold spells and heatwaves increase mortality. However little is known about the effect of heatwaves or cold spells on cardiovascular morbidity. This study aims to assess the effect of cold spells and heatwaves on cardiovascular diseases in a Mediterranean region (Catalonia, Southern Europe). METHODS We conducted a population-based retrospective study. Data were obtained from the System for the Development of Research in Primary Care and from the Catalan Meteorological Service. The outcome was first emergency hospitalizations due to coronary heart disease, stroke, or heart failure. Exposures were: cold spells; cold spells and 3 or 7 subsequent days; and heatwaves. Incidence rate ratios (IRR) and 95% confidence intervals were calculated using the self-controlled case series method. We accounted for age, time trends, and air pollutants; results were shown by age groups, gender or cardiovascular event type. RESULTS There were 22,611 cardiovascular hospitalizations in winter and 17,017 in summer between 2006 and 2013. The overall incidence of cardiovascular hospitalizations significantly increased during cold spells (IRR = 1.120; CI 95%: 1.10-1.30) and the effect was even stronger in the 7 days subsequent to the cold spell (IRR = 1.29; CI 95%: 1.22-1.36). Conversely, cardiovascular hospitalizations did not increase during heatwaves, neither in the overall nor in the stratified analysis. CONCLUSIONS Cold spells but not heatwaves, increased the incidence of emergency cardiovascular hospitalizations in Catalonia. The effect of cold spells was greater when including the 7 subsequent days. Such knowledge might be useful to develop strategies to reduce the impact of extreme temperature episodes on human health.
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Affiliation(s)
- Anna Ponjoan
- Vascular Health Research Group (ISV-Girona), Institut Universitari d’Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), c/ Maluquer Salvador, 11 baixos, Girona, 17002 Catalonia Spain
- Girona Biomedical Research Institute (IDIBGi), c/ del Dr. Castany, s/n, Salt, Girona, 17190 Catalonia Spain
- Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Bellaterra Spain
| | - Jordi Blanch
- Vascular Health Research Group (ISV-Girona), Institut Universitari d’Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), c/ Maluquer Salvador, 11 baixos, Girona, 17002 Catalonia Spain
| | - Lia Alves-Cabratosa
- Vascular Health Research Group (ISV-Girona), Institut Universitari d’Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), c/ Maluquer Salvador, 11 baixos, Girona, 17002 Catalonia Spain
| | - Ruth Martí-Lluch
- Vascular Health Research Group (ISV-Girona), Institut Universitari d’Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), c/ Maluquer Salvador, 11 baixos, Girona, 17002 Catalonia Spain
- Girona Biomedical Research Institute (IDIBGi), c/ del Dr. Castany, s/n, Salt, Girona, 17190 Catalonia Spain
- Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Bellaterra Spain
| | - Marc Comas-Cufí
- Vascular Health Research Group (ISV-Girona), Institut Universitari d’Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), c/ Maluquer Salvador, 11 baixos, Girona, 17002 Catalonia Spain
| | - Dídac Parramon
- Vascular Health Research Group (ISV-Girona), Institut Universitari d’Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), c/ Maluquer Salvador, 11 baixos, Girona, 17002 Catalonia Spain
- Centre d’Atenció Primària Santa Clara, Gerència d’Àmbit d’Atenció Primària Girona, Institut Català de la Salut, Girona, Spain
| | - María del Mar Garcia-Gil
- Vascular Health Research Group (ISV-Girona), Institut Universitari d’Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), c/ Maluquer Salvador, 11 baixos, Girona, 17002 Catalonia Spain
| | - Rafel Ramos
- Vascular Health Research Group (ISV-Girona), Institut Universitari d’Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), c/ Maluquer Salvador, 11 baixos, Girona, 17002 Catalonia Spain
- Department of Medical Sciences, School of Medicine, Campus Salut, University of Girona, Girona, Spain
| | - Irene Petersen
- Department of Primary Care and Population Health, University College of London, London, UK
- Department of Clinical Epidemiology, Aarhus University, Aarhus, Denmark
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