Tholeiitic andesite and dacite of early Pleistocene age in Shikumi area, Niigata Prefecture, Japan.

A study of the etiology of transient congenital hypothyroidism in Niigata Prefecture, Japan

Background Several conditions have been known to causetransient congenital hypothyroidism (TCH), including transplacental passage of TSH receptor blocking antibody (TSBAb), maternal antithyroid drug usage, iodine deficiency, iodine excess, fetal prematurity and inactivatingDUOX2mutations. However, the underlying etiology of TCH is not determined in some cases. In this study, we conducted the fi...

Quantifying early aftershock activity of the 2004 mid-Niigata Prefecture earthquake (Mw6.6)

[1] We analyze the early aftershock activity of the 2004 mid-Niigata earthquake, using both earthquake catalog data and continuous waveform recordings. The frequencymagnitude distribution analysis of the Japan Meteorological Agency (JMA) catalog shows that the magnitude of completeness of the aftershocks changes from values around 5.0, immediately after the main shock, to about 1.8, 12 hours la...

Contribution of aspirin-intolerant asthma to near fatal asthma based on a questionnaire survey in Niigata Prefecture, Japan.

OBJECTIVE Prevention of deaths due to asthma is one of the most important issues in asthma management. However, there are few epidemiological studies of asthma deaths in Japan. METHODOLOGY Over an 8-week period in Niigata Prefecture, Japan, a questionnaire on asthma control and emergency episodes was administered to adult asthmatic patients. A questionnaire was also given to the patients' phy...

An Outbreak of Carbon Monoxide Poisoning in Yamagata Prefecture Following the Great East Japan Earthquake

Background: In the aftermath of the Great East Japan Earthquake, most of the areas in Yamagata prefecture experienced a serious power failure lasting for approximately 24 hours. A number of households were subsequently poisoned with carbon monoxide (CO) due to various causes. In this study, we conducted a survey of CO poisoning during the disaster. Methods: A questionnaire regarding CO poisonin...

An Overview of Hydrogen Sulfide Suicides Based on Police Data in Yamagata Prefecture, Japan