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The incidence of large disasters has been increasing worldwide. This has led to a growing interest in disaster medicine. In this review, we report current evidence related to disasters and coronavirus disease-2019 (COVID-19) pandemic, such as cardiovascular diseases during disasters, management of disaster hypertension, and cardiovascular diseases associated with COVID-19. This review summarizes the time course and mechanisms of disaster-related diseases. It also discusses the use of information and communication technology (ICT) as a cardiovascular risk management strategy to prevent cardiovascular events. During the 2011 Great East Japan Earthquake, we used the "Disaster Cardiovascular Prevention" system that was employed for blood pressure (BP) monitoring and risk management using ICT. We introduced an ICT-based BP monitoring device at evacuation centers and shared patients' BP values in the database to support BP management by remote monitoring, which led to improved BP control. Effective use of telemedicine using ICT is important for risk management of cardiovascular diseases during disasters and pandemics in the future., (© 2021 The Authors. The Journal of Clinical Hypertension published by Wiley Periodicals LLC.)

Unlike other international guidelines but in accord with the earlier Japanese Society of Hypertension (JSH) guidelines, the 2019 JSH guidelines ("JSH 2019") continue to emphasize the importance of out-of-office blood pressure (BP) measurements obtained with a home BP device. Another unique characteristic of JSH 2019 is that it sets clinical questions about the management of hypertension that are based on systematic reviews of updated evidence. JSH 2019 states that individuals with office BP < 140/90 mm Hg do not have normal BP. The final decisions regarding the diagnosis and treatment of hypertension should be performed based on out-of-office BP values together with office BP measurements. For hypertensive adults with comorbidities, the office BP goal is usually <130/80 mm Hg and the home BP goal is <125/75 mm Hg. Recommendations of JSH 2019 would be valuable for not only Japanese hypertensive patients but also Asian hypertensive patients, who share the same features including higher incidence of stroke compared with that of myocardial infarction and a steeper blood pressure-vascular event relationship., (© 2019 Wiley Periodicals, Inc.)