Influence of post-disaster evacuation on incidence of hyperuricemia in residents of Fukushima Prefecture: the Fukushima

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ORIGINAL ARTICLE

Influence of post‑disaster evacuation on incidence of hyperuricemia in residents of Fukushima Prefecture: the Fukushima Health Management Survey Shigeatsu Hashimoto1,2 · Masato Nagai1,3 · Tetsuya Ohira1,3 · Shingo Fukuma4,5 · Mitsuaki Hosoya1,6 · Seiji Yasumura1,7 · Hiroaki Satoh1,8 · Hitoshi Suzuki1,9 · Akira Sakai1,10 · Akira Ohtsuru1,11 · Yukihiko Kawasaki1,6 · Atsushi Takahashi1,12 · Kanako Okazaki1 · Gen Kobashi13 · Kenji Kamiya1,14 · Shunichi Yamashita1,15 · Shun‑ichi Fukuhara5,6 · Hitoshi Ohto1 · the Fukushima Health Management Survey Group Received: 12 November 2019 / Accepted: 25 June 2020 © The Author(s) 2020

Abstract Aim  After the Great East Japan Earthquake, over 160,000 residents in Fukushima Prefecture were forced to evacuate the area around the Fukushima Daiichi power plant following nuclear accident there. Health problems in these evacuees have since become a major issue. We have examined the association between evacuation and incidence of hyperuricemia among residents in Fukushima. Methods  We conducted a cohort study of residents aged 40–90 years without hyperuricemia at the time of the Fukushima disaster. Among 8173 residents who met the inclusion criteria before the disaster, 4789 residents (men: 1971, women: 2818; follow-up duration: 1.38 years; and follow-up rate: 58.6%) remained available for follow-up examinations at the end of March 2013. The main endpoint was incidence of hyperuricemia, defined by the Japanese committee guidelines, using local health data from before and after the disaster. We divided participants by evacuation status and compared outcomes between groups. Using a logistic regression model, we estimated the odds ratio for incidence of hyperuricemia, adjusting for potential confounders, age, gender, waist circumference, physical activity, and alcohol consumption. Results  Incidence of hyperuricemia was higher in evacuees (men 10.1%; women 1.1%) than in non-evacuees (men 7.4%, women 1.0%). Evacuees had higher body mass index, waist circumference, triglycerides, LDL-cholesterol, fasting plasma glucose, HbA1c, and lower HDL-cholesterol after the disaster than non-evacuees. We found that evacuation was associated with incidence of hyperuricemia (adjusted odds ratio: 1.38; 95% confidence interval: 1.03–1.86). Conclusion  This is the first study to demonstrate an association between evacuation after a disaster and increased incidence of hyperuricemia. Keywords  Hyperuricemia · Disaster · Evacuation · And life style

Introduction When the Great East Japan Earthquake struck at a magnitude of 9.0 on March 11, 2011, a devastating tsunami and the Fukushima Daiichi nuclear power plant accident followed soon afterward. About 146,000 residents in a designated evacuation area around the nuclear power plant (Fig. 1) were subsequently forced to evacuate their homes. * Shigeatsu Hashimoto [email protected] Extended author information available on the last page of the article

In natural disasters like the Great East Japan Earthquake, there have been reports of an increase