Prolonged QT interval and risk of sudden death in South-East Asian men. 1991

R G Munger, and R J Prineas, and R S Crow, and S Changbumrung, and V Keane, and V Wangsuphachart, and M P Jones
Department of Preventive Medicine and Environmental Health, University of Iowa College of Medicine, Iowa City.

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.

UI MeSH Term Description Entries
D007812 Laos A country in Southeastern Asia, northeast of Thailand, west of Vietnam. The capital is Vientiane.
D008133 Long QT Syndrome A condition that is characterized by episodes of fainting (SYNCOPE) and varying degree of ventricular arrhythmia as indicated by the prolonged QT interval. The inherited forms are caused by mutation of genes encoding cardiac ion channel proteins. The two major forms are ROMANO-WARD SYNDROME and JERVELL-LANGE NIELSEN SYNDROME. Electrocardiogram QT Prolonged
D008297 Male Males
D008910 Minnesota State bordered on the north by Canada, on the east by Lake Superior and Wisconsin, on the south by Iowa, and on the west by North Dakota and South Dakota.
D012036 Refugees Persons fleeing to a place of safety, especially those who flee to a foreign country or power to escape danger, persecution, or economic distress in their own country or habitual residence. Asylum Seekers,Displaced Persons,Internally Displaced Persons,Political Asylum Seekers,Political Refugees,Asylum Seeker,Asylum Seeker, Political,Asylum Seekers, Political,Displaced Person,Displaced Person, Internally,Displaced Persons, Internally,Internally Displaced Person,Person, Displaced,Persons, Displaced,Political Asylum Seeker,Political Refugee,Refugee,Refugee, Political,Refugees, Political,Seeker, Asylum,Seekers, Asylum,Seekers, Political Asylum
D003645 Death, Sudden The abrupt cessation of all vital bodily functions, manifested by the permanent loss of total cerebral, respiratory, and cardiovascular functions. Sudden Death
D004562 Electrocardiography Recording of the moment-to-moment electromotive forces of the HEART as projected onto various sites on the body's surface, delineated as a scalar function of time. The recording is monitored by a tracing on slow moving chart paper or by observing it on a cardioscope, which is a CATHODE RAY TUBE DISPLAY. 12-Lead ECG,12-Lead EKG,12-Lead Electrocardiography,Cardiography,ECG,EKG,Electrocardiogram,Electrocardiograph,12 Lead ECG,12 Lead EKG,12 Lead Electrocardiography,12-Lead ECGs,12-Lead EKGs,12-Lead Electrocardiographies,Cardiographies,ECG, 12-Lead,EKG, 12-Lead,Electrocardiograms,Electrocardiographies, 12-Lead,Electrocardiographs,Electrocardiography, 12-Lead
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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