Mortality Sensitivity of Cardiovascular, Cerebrovascular, and Respiratory Diseases to Warm Season Climate in Japanese Cities
We investigated decadal (2010–2019) cardiovascular, cerebrovascular, and respiratory mortality sensitivity to annual warm temperatures in major Japanese cities: Sapporo, Tokyo (23 wards), and Osaka. The summer mortalities (June–August) increased with the monthly mean temperature for acute myocardial...
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MDPI AG
2021-11-01
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Online Access: | https://www.mdpi.com/2073-4433/12/12/1546 |
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author | Yukitaka Ohashi Akari Miyata Tomohiko Ihara |
author_facet | Yukitaka Ohashi Akari Miyata Tomohiko Ihara |
author_sort | Yukitaka Ohashi |
collection | DOAJ |
description | We investigated decadal (2010–2019) cardiovascular, cerebrovascular, and respiratory mortality sensitivity to annual warm temperatures in major Japanese cities: Sapporo, Tokyo (23 wards), and Osaka. The summer mortalities (June–August) increased with the monthly mean temperature for acute myocardial infarction, other acute ischemic heart diseases, cerebral infarction, and pneumonia in the three cities. Monthly mean temperatures were an indicator of these disease mortalities in Japan. However, similar responses were not found for cardiac arrhythmia and heart failure (excluding Sapporo), subarachnoid hemorrhage, and intracerebral hemorrhage. The decadal sensitivities and risk ratios between the maximum and minimum monthly mean temperatures were calculated using a linear regression model. In Sapporo, Tokyo, and Osaka, for example, the analyses of acute myocardial infarction showed summer positive responses of 0.19–0.25, 0.13–0.18, and 0.12–0.30, respectively, as the mortality rate (per 100,000 population) per 1 °C of monthly mean temperature, which estimated increased risks (between the coolest and hottest months) of 37–65% in Sapporo, 31–42% in Tokyo, and 35–39% in Osaka. |
first_indexed | 2024-03-10T04:35:33Z |
format | Article |
id | doaj.art-425092cf06634c279480f48fb91f6d8d |
institution | Directory Open Access Journal |
issn | 2073-4433 |
language | English |
last_indexed | 2024-03-10T04:35:33Z |
publishDate | 2021-11-01 |
publisher | MDPI AG |
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series | Atmosphere |
spelling | doaj.art-425092cf06634c279480f48fb91f6d8d2023-11-23T03:45:13ZengMDPI AGAtmosphere2073-44332021-11-011212154610.3390/atmos12121546Mortality Sensitivity of Cardiovascular, Cerebrovascular, and Respiratory Diseases to Warm Season Climate in Japanese CitiesYukitaka Ohashi0Akari Miyata1Tomohiko Ihara2Faculty of Biosphere-Geosphere Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama 700-0005, JapanFaculty of Biosphere-Geosphere Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama 700-0005, JapanGraduate School of Frontier Sciences, The University of Tokyo, Chiba 277-0822, JapanWe investigated decadal (2010–2019) cardiovascular, cerebrovascular, and respiratory mortality sensitivity to annual warm temperatures in major Japanese cities: Sapporo, Tokyo (23 wards), and Osaka. The summer mortalities (June–August) increased with the monthly mean temperature for acute myocardial infarction, other acute ischemic heart diseases, cerebral infarction, and pneumonia in the three cities. Monthly mean temperatures were an indicator of these disease mortalities in Japan. However, similar responses were not found for cardiac arrhythmia and heart failure (excluding Sapporo), subarachnoid hemorrhage, and intracerebral hemorrhage. The decadal sensitivities and risk ratios between the maximum and minimum monthly mean temperatures were calculated using a linear regression model. In Sapporo, Tokyo, and Osaka, for example, the analyses of acute myocardial infarction showed summer positive responses of 0.19–0.25, 0.13–0.18, and 0.12–0.30, respectively, as the mortality rate (per 100,000 population) per 1 °C of monthly mean temperature, which estimated increased risks (between the coolest and hottest months) of 37–65% in Sapporo, 31–42% in Tokyo, and 35–39% in Osaka.https://www.mdpi.com/2073-4433/12/12/1546cardiovascular diseasecerebrovascular diseaserespiratory diseasemortalitywarm season climateJapanese cities |
spellingShingle | Yukitaka Ohashi Akari Miyata Tomohiko Ihara Mortality Sensitivity of Cardiovascular, Cerebrovascular, and Respiratory Diseases to Warm Season Climate in Japanese Cities Atmosphere cardiovascular disease cerebrovascular disease respiratory disease mortality warm season climate Japanese cities |
title | Mortality Sensitivity of Cardiovascular, Cerebrovascular, and Respiratory Diseases to Warm Season Climate in Japanese Cities |
title_full | Mortality Sensitivity of Cardiovascular, Cerebrovascular, and Respiratory Diseases to Warm Season Climate in Japanese Cities |
title_fullStr | Mortality Sensitivity of Cardiovascular, Cerebrovascular, and Respiratory Diseases to Warm Season Climate in Japanese Cities |
title_full_unstemmed | Mortality Sensitivity of Cardiovascular, Cerebrovascular, and Respiratory Diseases to Warm Season Climate in Japanese Cities |
title_short | Mortality Sensitivity of Cardiovascular, Cerebrovascular, and Respiratory Diseases to Warm Season Climate in Japanese Cities |
title_sort | mortality sensitivity of cardiovascular cerebrovascular and respiratory diseases to warm season climate in japanese cities |
topic | cardiovascular disease cerebrovascular disease respiratory disease mortality warm season climate Japanese cities |
url | https://www.mdpi.com/2073-4433/12/12/1546 |
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