Article

Effects of the Great East Japan Earthquake and huge tsunami on glycaemic control and blood pressure in patients with diabetes mellitus.

Division of Nephrology, Endocrinology and Vascular Medicine, Tohoku University Hospital, Sendai, Japan.
BMJ Open (Impact Factor: 1.58). 01/2012; 2(2):e000830. DOI: 10.1136/bmjopen-2012-000830
Source: PubMed

ABSTRACT To examine the effects of a huge tsunami resulting from the Great East Japan Earthquake on blood pressure (BP) control and glycaemic control in diabetic patients.
A retrospective study.
Tohoku University, Japan.
63 patients were visiting Rikuzentakata Hospital for diabetic treatment before the earthquake and returned to the clinic in July after the earthquake, and they were analysed in the present study. The subjects were divided into two groups: those who were hit by the tsunami, the Tsunami (+) group (n=28), and those who were not, the Tsunami (-) group (n=35), and the groups' parameters and their changes were compared.
Changes of HbA1c.
Changes of BP, body mass index.
HbA1c and both BP increased, while the numbers of most drugs taken decreased in both groups. Parameter changes were significantly greater in the Tsunami (+) group. All medical data stored at the hospital was lost in the tsunami. The Tsunami (+) patients also had their own records of treatment washed away, so it was difficult to replicate their pre-earthquake drug prescriptions afterwards. In comparison, the Tsunami (-) patients kept their treatment information, making it possible to resume the treatment they had been receiving before the earthquake. The BP rose only slightly in men, whereas it rose sharply in women, even though they had not been directly affected by the tsunami. BP rose markedly in both genders affected by the tsunami.
All medical information was lost in the tsunami, and glycaemic and BP controls of the tsunami-affected patients worsened more than those of patients who had been affected by the earthquake alone. Women may be more sensitive to changes in the living environment that result from a major earthquake than are men.

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    ABSTRACT: The Great East Japan Earthquake and subsequent tsunami destroyed large parts of Japan's Tohoku district. Special efforts were made regarding the prompt distribution of medical supplies, including insulin, for diabetic patients. However, many diabetic patients in the shelters lost their blood glucose control as a result of the unfavorable living environment. The high-calorie food provided led to severe postprandial hyperglycemia. Furthermore, mental stress can aggravate diabetic control and these patients require special mental care. We have a few suggestions to propose in preparation for future disasters based on the experience gained from our shelter visits during this disaster. First, people in the affected areas had no way of accessing such information in the early days after the disaster. Therefore, we should consider the practical means of distributing important information in various situations. Second, guidelines and manuals for both diabetic patients and healthcare providers need to be created for the various situations that occur in the event of a natural disaster. We already have a few, but situations vary and several guidelines are required to cover different conditions. Manuals for the prescription of antidiabetic agents will be useful, especially for doctors who are not specialized in diabetes. Third, patients should be educated beforehand as to what to do and what to be prepared for in the case of a disaster; each of the various situations that might be encountered should be covered. Lectures about these issues might be included in educational classes for diabetic patients organized by each medical institution.
    Journal of diabetes investigation. 01/2013; 4(1):97-102.
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