Winter morning surge in blood pressure after the Great East Japan Earthquake |
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| Authors: | Masafumi Nishizawa Takeshi Fujiwara Satoshi Hoshide Keiko Sato Yukie Okawara Naoko Tomitani Takefumi Matsuo Kazuomi Kario |
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| Affiliation: | 1. Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University School of Medicine, Shimotsuke Japan ; 2. Minamisanriku Hospital, Miyagi Japan ; 3. Higashiagatsuma‐machi National Health Insurance Clinic, Gunma Japan ; 4. Hyogo Prefectural Awaji Medical Center, Hyogo Japan |
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| Abstract: | This study investigated the association between winter morning surge in systolic blood pressure (SBP) as measured by ambulatory BP monitoring and the housing conditions of subjects in an area damaged by the Great East Japan Earthquake. In 2013, 2 years after disaster, hypertensives who lived in homes that they had purchased before the disaster (n = 299, 74.6 ± 8.1 years) showed significant winter morning surge in SBP (+5.0 ± 20.8 mmHg, P < 0.001), while those who lived in temporary housing (n = 113, 76.2 ± 7.6 years) did not. When we divided the winter morning surge in SBP into quintiles, the factors of age ≥75 years and occupant‐owned housing were significant determinants for the highest quintile (≥20 mmHg) after adjustment for covariates. The hypertensives aged ≥75 years who lived in their own homes showed a significant risk for the highest quintile (odds ratio 5.21, 95% confidence interval 1.49‐18.22, P = 0.010). It is thus crucial to prepare suitable housing conditions for elderly hypertensives following a disaster. |
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| Keywords: | ambulatory blood pressure monitoring elderly hypertensives occupant‐owned housing temporary housing the Great East Japan Earthquake winter morning surge in blood pressure |
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