Prolonged QT interval and risk of sudden death in South-East Asian men

Autor: Voranuch Wangsuphachart, M.P. Jones, V. Keane, Ronald G. Munger, R.S. Crow, S. Changbumrung, Ronald J. Prineas
Rok vydání: 1991
Předmět:
Zdroj: Lancet (London, England). 338(8762)
ISSN: 0140-6736
Popis: Sudden death in sleep occurs in substantial numbers among young men in South-East Asia. The frequencies of electrocardiographic abnormalities were measured in groups with varying risks of such sudden death. The mean heart-rate-corrected QT interval (QTc) was significantly (p less than 0.05) greater among 123 Laotian refugees in Thailand at high risk (405 [95% confidence interval 397-413] ms) than in 77 Laotian refugees in the United States at lower risk (364 [359-369] ms) and 199 non-Asian US residents at negligible risk (358 [354-362] ms). Among refugees in Thailand, prolonged QTc interval was associated with poor thiamine status and a history of seizure-like episodes in sleep. Thiamine deficiency may be a cause of prolonged QT interval and sudden death in this region.
Databáze: OpenAIRE
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