Human Ecological Study on Health Impacts of Volcanic Eruption

1995年云仙火山喷发已经停止，但岛原市和江町的许多居民仍然面临着生计经济和居住地变化带来的许多困难。通过对火山爆发的连续实地研究，揭示了以下几点。1)由于居民躲避急性火山爆发，灾区人口迅速减少，即使火山活动停止后，这种趋势仍在继续。死胎率在发疹早期迅速上升。呼吸道疾病的死亡率似乎高于其他地区。对呼吸系统的慢性影响 ** 应持续检查。2)随着出疹次数的减少，眼部刺激性症状和胸部刺激性症状迅速减少，而呼吸系统刺激性症状逐渐减少。3)通过对学龄儿童哮喘与家庭环境关系的分析，火山爆发引起的家庭成员变化对哮喘的发病有显著影响。4)后续研究表明，即使火山爆发已经停止，难民的心理健康状况仍然很紧张。精神卫生保健管理对于预防创伤后障碍是必要的。

The volcanic eruption of Unzen-Fugen mountain has ceased in 1995 but many dwellers in Shimabara city and Fukae town are still conflicting with many difficulties caused by changes of subsistance economies and residential places. Continious field studies through volcanic eruption revealed following points. 1) Populations of disasterous areas had rapidly decreased by refuge of dwellers for avoiding acute eruption and this trend is still continued even after volvanic action has ceased. The rapid increase of still birth rate was observed at the early stage of eruption. Mortality rate from respiratory diseases seems to be higher than other areas. Chronic effects on respiratory system **oud be continously examined. 2) According with decline of frequency of eruption, irritant symptoms in eyes and thoat have rapidly became to be less frequent, but those in respiratory system have slowly decreased. 3) By analysis on relationship with asthma and domestic environment among school children, changes of family member by volcanic eruption seemed to affect significantly the incidence of asthma attack. 4) Follow up studies revealed that mental health condition of refugees hsve been stressful even though the volcanic eruption has ceased. Administration on mental health care should be necessary for preventing Post Traumatic Disorders.