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Mortality Risk Related to Heatwaves in Dezful City, Southwest of Iran

BACKGROUND: We aimed to evaluate the impact of heatwaves on daily deaths due to non-accidental, cardiovascular and respiratory causes in the city of Dezful in Iran from 2013 to 2019. METHOD: We collected daily ambient temperature and mortality and defined 2 types of heatwaves by combining daily temp...

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Autores principales: Aghababaeian, Hamidreza, Ostadtaghizadeh, Abbas, Ardalan, Ali, Asgary, Ali, Akbary, Mehry, Yekaninejad, Mir Saeed, Sharafkhani, Rahim, Stephens, Carolyn
Formato: Online Artículo Texto
Lenguaje:English
Publicado: SAGE Publications 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9903032/
https://www.ncbi.nlm.nih.gov/pubmed/36762075
http://dx.doi.org/10.1177/11786302231151538
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author Aghababaeian, Hamidreza
Ostadtaghizadeh, Abbas
Ardalan, Ali
Asgary, Ali
Akbary, Mehry
Yekaninejad, Mir Saeed
Sharafkhani, Rahim
Stephens, Carolyn
author_facet Aghababaeian, Hamidreza
Ostadtaghizadeh, Abbas
Ardalan, Ali
Asgary, Ali
Akbary, Mehry
Yekaninejad, Mir Saeed
Sharafkhani, Rahim
Stephens, Carolyn
author_sort Aghababaeian, Hamidreza
collection PubMed
description BACKGROUND: We aimed to evaluate the impact of heatwaves on daily deaths due to non-accidental, cardiovascular and respiratory causes in the city of Dezful in Iran from 2013 to 2019. METHOD: We collected daily ambient temperature and mortality and defined 2 types of heatwaves by combining daily temperature ⩾90th in each month of the study period or since 30 years with duration ⩾2 and 3 days. We used a distributed lag non-linear model to study the association between each type of heatwave definition, and deaths due to non-accidental, cardiovascular and respiratory causes with lags up to 13 days. RESULTS: There was no discernible correlation in this area, despite the fact that heatwaves raised the risk of death from cardiovascular causes and lowered the risk from respiratory causes. On the other hand, the risk of total non-accidental mortality on days with the heatwaves is significantly higher than normal days. In main effects, the heatwaves have a significant relationship with the risk of total non-accidental mortality (in the first heatwave definition, Cumulative Excess Risk (CER) in lag(0-2) was 10.4 and in second heatwave definition, CER values in lag(0, 0-2, and 0-6) were 12.4, 29.2, and 38.8 respectively). Also, in added effects, heatwaves have a significant relationship with the risk of total non-accidental mortality (in the first heatwave definition, CER in lag(0 and 0-2) were 1.79 and 4.11 and in the second heatwave definition, CER values in lag(0, 0-2, and 0-6) were 7.76, 18.35 and 24.87 respectively). In addition, heatwaves appeared to contribute to a cumulative excess risk of non-accidental death among the male group as well as the older adults. CONCLUSION: However, the results showed that heatwaves could have detrimental effects on health, even in populations accustomed to the extreme heat. Therefore, early warning systems which monitor heatwaves should provide the necessary warnings to the population, especially the most vulnerable groups.
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spelling pubmed-99030322023-02-08 Mortality Risk Related to Heatwaves in Dezful City, Southwest of Iran Aghababaeian, Hamidreza Ostadtaghizadeh, Abbas Ardalan, Ali Asgary, Ali Akbary, Mehry Yekaninejad, Mir Saeed Sharafkhani, Rahim Stephens, Carolyn Environ Health Insights Original Research BACKGROUND: We aimed to evaluate the impact of heatwaves on daily deaths due to non-accidental, cardiovascular and respiratory causes in the city of Dezful in Iran from 2013 to 2019. METHOD: We collected daily ambient temperature and mortality and defined 2 types of heatwaves by combining daily temperature ⩾90th in each month of the study period or since 30 years with duration ⩾2 and 3 days. We used a distributed lag non-linear model to study the association between each type of heatwave definition, and deaths due to non-accidental, cardiovascular and respiratory causes with lags up to 13 days. RESULTS: There was no discernible correlation in this area, despite the fact that heatwaves raised the risk of death from cardiovascular causes and lowered the risk from respiratory causes. On the other hand, the risk of total non-accidental mortality on days with the heatwaves is significantly higher than normal days. In main effects, the heatwaves have a significant relationship with the risk of total non-accidental mortality (in the first heatwave definition, Cumulative Excess Risk (CER) in lag(0-2) was 10.4 and in second heatwave definition, CER values in lag(0, 0-2, and 0-6) were 12.4, 29.2, and 38.8 respectively). Also, in added effects, heatwaves have a significant relationship with the risk of total non-accidental mortality (in the first heatwave definition, CER in lag(0 and 0-2) were 1.79 and 4.11 and in the second heatwave definition, CER values in lag(0, 0-2, and 0-6) were 7.76, 18.35 and 24.87 respectively). In addition, heatwaves appeared to contribute to a cumulative excess risk of non-accidental death among the male group as well as the older adults. CONCLUSION: However, the results showed that heatwaves could have detrimental effects on health, even in populations accustomed to the extreme heat. Therefore, early warning systems which monitor heatwaves should provide the necessary warnings to the population, especially the most vulnerable groups. SAGE Publications 2023-01-30 /pmc/articles/PMC9903032/ /pubmed/36762075 http://dx.doi.org/10.1177/11786302231151538 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by-nc/4.0/This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).
spellingShingle Original Research
Aghababaeian, Hamidreza
Ostadtaghizadeh, Abbas
Ardalan, Ali
Asgary, Ali
Akbary, Mehry
Yekaninejad, Mir Saeed
Sharafkhani, Rahim
Stephens, Carolyn
Mortality Risk Related to Heatwaves in Dezful City, Southwest of Iran
title Mortality Risk Related to Heatwaves in Dezful City, Southwest of Iran
title_full Mortality Risk Related to Heatwaves in Dezful City, Southwest of Iran
title_fullStr Mortality Risk Related to Heatwaves in Dezful City, Southwest of Iran
title_full_unstemmed Mortality Risk Related to Heatwaves in Dezful City, Southwest of Iran
title_short Mortality Risk Related to Heatwaves in Dezful City, Southwest of Iran
title_sort mortality risk related to heatwaves in dezful city, southwest of iran
topic Original Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9903032/
https://www.ncbi.nlm.nih.gov/pubmed/36762075
http://dx.doi.org/10.1177/11786302231151538
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