Temporal variations in the triggering of myocardial infarction by air temperature in Augsburg, Germany, 1987–2014

Abstract Aims The association between air temperature and mortality has been shown to vary over time, but evidence of temporal changes in the risk of myocardial infarction (MI) is lacking. We aimed to estimate the temporal variations in the association between short-term exposures to air temperature...

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Veröffentlicht in:European heart journal 2019-05, Vol.40 (20), p.1600-1608
Hauptverfasser: Chen, Kai, Breitner, Susanne, Wolf, Kathrin, Hampel, Regina, Meisinger, Christa, Heier, Margit, von Scheidt, Wolfgang, Kuch, Bernhard, Peters, Annette, Schneider, Alexandra
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container_end_page 1608
container_issue 20
container_start_page 1600
container_title European heart journal
container_volume 40
creator Chen, Kai
Breitner, Susanne
Wolf, Kathrin
Hampel, Regina
Meisinger, Christa
Heier, Margit
von Scheidt, Wolfgang
Kuch, Bernhard
Peters, Annette
Schneider, Alexandra
description Abstract Aims The association between air temperature and mortality has been shown to vary over time, but evidence of temporal changes in the risk of myocardial infarction (MI) is lacking. We aimed to estimate the temporal variations in the association between short-term exposures to air temperature and MI in the area of Augsburg, Germany. Methods and results Over a 28-years period from 1987 to 2014, a total of 27 310 cases of MI and coronary deaths were recorded. Daily meteorological parameters were measured in the study area. A time-stratified case-crossover analysis with a distributed lag non-linear model was used to estimate the risk of MI associated with air temperature. Subgroup analyses were performed to identify subpopulations with changing susceptibility to air temperature. Results showed a non-significant decline in cold-related MI risks. Heat-related MI relative risk significantly increased from 0.93 [95% confidence interval (CI): 0.78–1.12] in 1987–2000 to 1.14 (95% CI: 1.00–1.29) in 2001–14. The same trend was also observed for recurrent and non-ST-segment elevation MI events. This increasing population susceptibility to heat was more evident in patients with diabetes mellitus and hyperlipidaemia. Future studies using multicentre MI registries at different climatic, demographic, and socioeconomic settings are warranted to confirm our findings. Conclusion We found evidence of rising population susceptibility to heat-related MI risk from 1987 to 2014, suggesting that exposure to heat should be considered as an environmental trigger of MI, especially under a warming climate.
doi_str_mv 10.1093/eurheartj/ehz116
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We aimed to estimate the temporal variations in the association between short-term exposures to air temperature and MI in the area of Augsburg, Germany. Methods and results Over a 28-years period from 1987 to 2014, a total of 27 310 cases of MI and coronary deaths were recorded. Daily meteorological parameters were measured in the study area. A time-stratified case-crossover analysis with a distributed lag non-linear model was used to estimate the risk of MI associated with air temperature. Subgroup analyses were performed to identify subpopulations with changing susceptibility to air temperature. Results showed a non-significant decline in cold-related MI risks. Heat-related MI relative risk significantly increased from 0.93 [95% confidence interval (CI): 0.78–1.12] in 1987–2000 to 1.14 (95% CI: 1.00–1.29) in 2001–14. The same trend was also observed for recurrent and non-ST-segment elevation MI events. This increasing population susceptibility to heat was more evident in patients with diabetes mellitus and hyperlipidaemia. Future studies using multicentre MI registries at different climatic, demographic, and socioeconomic settings are warranted to confirm our findings. Conclusion We found evidence of rising population susceptibility to heat-related MI risk from 1987 to 2014, suggesting that exposure to heat should be considered as an environmental trigger of MI, especially under a warming climate.</description><identifier>ISSN: 0195-668X</identifier><identifier>EISSN: 1522-9645</identifier><identifier>DOI: 10.1093/eurheartj/ehz116</identifier><identifier>PMID: 30859207</identifier><language>eng</language><publisher>England: Oxford University Press</publisher><ispartof>European heart journal, 2019-05, Vol.40 (20), p.1600-1608</ispartof><rights>Published on behalf of the European Society of Cardiology. All rights reserved. © The Author(s) 2019. For permissions, please email: journals.permissions@oup.com. 2019</rights><rights>Published on behalf of the European Society of Cardiology. All rights reserved. © The Author(s) 2019. 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We aimed to estimate the temporal variations in the association between short-term exposures to air temperature and MI in the area of Augsburg, Germany. Methods and results Over a 28-years period from 1987 to 2014, a total of 27 310 cases of MI and coronary deaths were recorded. Daily meteorological parameters were measured in the study area. A time-stratified case-crossover analysis with a distributed lag non-linear model was used to estimate the risk of MI associated with air temperature. Subgroup analyses were performed to identify subpopulations with changing susceptibility to air temperature. Results showed a non-significant decline in cold-related MI risks. Heat-related MI relative risk significantly increased from 0.93 [95% confidence interval (CI): 0.78–1.12] in 1987–2000 to 1.14 (95% CI: 1.00–1.29) in 2001–14. The same trend was also observed for recurrent and non-ST-segment elevation MI events. This increasing population susceptibility to heat was more evident in patients with diabetes mellitus and hyperlipidaemia. Future studies using multicentre MI registries at different climatic, demographic, and socioeconomic settings are warranted to confirm our findings. 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We aimed to estimate the temporal variations in the association between short-term exposures to air temperature and MI in the area of Augsburg, Germany. Methods and results Over a 28-years period from 1987 to 2014, a total of 27 310 cases of MI and coronary deaths were recorded. Daily meteorological parameters were measured in the study area. A time-stratified case-crossover analysis with a distributed lag non-linear model was used to estimate the risk of MI associated with air temperature. Subgroup analyses were performed to identify subpopulations with changing susceptibility to air temperature. Results showed a non-significant decline in cold-related MI risks. Heat-related MI relative risk significantly increased from 0.93 [95% confidence interval (CI): 0.78–1.12] in 1987–2000 to 1.14 (95% CI: 1.00–1.29) in 2001–14. The same trend was also observed for recurrent and non-ST-segment elevation MI events. This increasing population susceptibility to heat was more evident in patients with diabetes mellitus and hyperlipidaemia. Future studies using multicentre MI registries at different climatic, demographic, and socioeconomic settings are warranted to confirm our findings. Conclusion We found evidence of rising population susceptibility to heat-related MI risk from 1987 to 2014, suggesting that exposure to heat should be considered as an environmental trigger of MI, especially under a warming climate.</abstract><cop>England</cop><pub>Oxford University Press</pub><pmid>30859207</pmid><doi>10.1093/eurheartj/ehz116</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record>
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title Temporal variations in the triggering of myocardial infarction by air temperature in Augsburg, Germany, 1987–2014
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