Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
ISSN-L : 1346-9843
Reviews
Disaster Hypertension
– Its Characteristics, Mechanism, and Management –
Kazuomi Kario
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2012 Volume 76 Issue 3 Pages 553-562

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Abstract

The devastating Great East Japan Earthquake, which was 9.0 on the Richter scale, occurred on March 11, 2011. Japan experienced the Great Hanshin-Awaji Earthquake 16 years ago, and I was working at the epicenter, and reported the characteristics of the earthquake-associated cardiovascular risk and high blood pressure (BP) found during the continuous practice and clinical studies of Tsuna Medical Association before and after the quake. A major disaster increases thrombophilic tendency and BP, both of which trigger disaster-induced cardiovascular events such as stroke, cardiac events, etc. The high salt intake and the increased salt sensitivity caused by disrupted circadian rhythms are the 2 major leading causes of disaster hypertension (HT) through neurohumoral activation under stressful conditions. To better assess and reduce the risks for disaster-associated cardiovascular events, we introduced the web-based Disaster Cardiovascular Prevention (DCAP) network (which consists of DCAP risk and prevention score assessment, and self-measured BP monitoring at both the shelter and the home) to the survivors of the 2011 disaster, and frequently found newly developed HT. Here I review the recent evidence, possible mechanism and the management of "disaster HT" for effective prevention of disaster-induced cardiovascular events. (Circ J 2012; 76: 553-562)

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© 2012 THE JAPANESE CIRCULATION SOCIETY
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