• Seiichi Kobayashi, Masakazu Hanagama, Shinsuke Yamanda, Hikari Satoh, Shinsaku Tokuda, Masakazu Kobayashi, Shinsaku Ueda, Satoshi Suzuki, and Masaru Yanai.
• Department of Respiratory Medicine, Japanese Red Cross Ishinomaki Hospital, Ishinomaki 986-8522, Japan. skoba-thk@umin.ac.jp
• Respir Investig. 2013 Mar 1; 51 (1): 17-23.

BackgroundA large-scale natural disaster may exacerbate chronic respiratory diseases, such as chronic obstructive pulmonary disease (COPD). The aftermath of a natural disaster can include poor access to medication, medical equipment, and medical supplies. Little is known about the impact on patients with COPD.MethodsA retrospective cohort study was conducted at a regional medical center in Ishinomaki, the area affected most severely by the Great East Japan Earthquake in 2011. The study was performed 6 months after the disaster. The characteristics, clinical courses, and outcomes of COPD patients hospitalized after emergency visits during the study period were investigated and compared.ResultsOne hundred patients (112 episodes) were identified. Within a few days after the disaster, patients undergoing oxygen therapy at home came to the hospital to receive oxygen. In the subacute phase (from the third to the fifth week), the number of hospitalizations due to COPD exacerbations was significantly increased compared to the numbers observed before the earthquake (p<0.05). On admission, COPD patients reported significantly reduced participation in the activities of daily living (ADLs) after as compared to before the disaster. The incidence of cases of exacerbated COPD normalized 6 weeks after the earthquake.ConclusionsThe large-scale natural disaster that hit Japan in 2011 had a serious negative impact on the clinical outcomes of COPD patients in the disaster-affected area.Copyright © 2012 The Japanese Respiratory Society. Published by Elsevier B.V. All rights reserved.

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