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Fujitani, Yusuke Division of Health Administration and Promotion, Department of Social Medicine, School of Medicine, Tottori University Faculty of Medicine
Otani, Shinji International Platform for Dryland Research and Education, Tottori University Researchers DB KAKEN
Majbauddin, Abir International Platform for Dryland Research and Education, Tottori University
Amano, Hiroki Division of Health Administration and Promotion, Department of Social Medicine, School of Medicine, Tottori University Faculty of Medicine Researchers DB KAKEN
Masumoto, Toshio Division of Health Administration and Promotion, Department of Social Medicine, School of Medicine, Tottori University Faculty of Medicine Researchers DB
maximum air temperature
Background The frequency and intensity of hot weather have increased. In Japan, there have been many studies of the relationship between ambulance transports owing to heat stroke (ATHS) and high air temperature in the summer season. However, there have been very few reports focusing on ATHS in spring. Therefore, we investigated the effect of the maximum air temperature on ATHS not only in summer but also in spring, to help with development of effective measures to prevent heat stroke.
Methods We obtained daily ATHS and meteorological data from April to September in 2017 in Tottori Prefecture. We used a time-stratified case-crossover method for data analysis.
Results A total 382 cases of ATHS were identified from April to September in 2017 in Tottori. The number of cases was highest in July, followed by August and May. Maximum air temperature was significantly linked to ATHS. The risk of ATHS was increased 1.13 times when maximum air temperature rose by 1°C. In summer, the risk on extremely hot days (maximum air temperature ? 35°C) increased by 5.55 times or more compared with that on days below 30 °C (< 30°C). The risk was approximately four times greater on hot days (? 30°C and < 35°C) than that on relatively cooler days (< 30°C) during the spring months of April through May.
Conclusion Maximum air temperature was significantly linked to ATHS. It is necessary to pay particular attention to heat stroke prevention not only on extremely hot days in summer but also on hot days in the spring.
Tottori University Medical Press
Yonago Acta Medica
|Current Journal Title||
Yonago Acta Medica
注があるものを除き、この著作物は日本国著作権法により保護されています。 / This work is protected under Japanese Copyright Law unless otherwise noted.
Yonago Acta Medica. 2019, 62(1), 47-52
Faculty of Medicine/Graduate School of Medical Sciences/University Hospital