International journal of cardiology
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Sudden infant death syndrome (SIDS) is characterized by the sudden death of an infant that occurs during sleep and remains unexplained despite thorough examination. In addition to clinical associations such as prone sleeping and exposure to cigarette smoke, several genetic factors have been identified with regard to SIDS, including autonomic disorders, immunologic polymorphisms and metabolic disorders. In the past decade, postmortem genetic analysis ('molecular autopsy') of SIDS cases has revealed a number of cardiac ion channel mutations that are associated with arrhythmia syndromes, including the long QT syndrome, Brugada syndrome and short QT syndrome. ⋯ Combining data from population-based cohort studies, we conclude that at least one out of five SIDS victims carries a mutation in a cardiac ion channel-related gene and that the majority of these mutations are of a known malignant phenotype. Genetic analysis is therefore recommended in cases of sudden infant death. More research is required to further elucidate the pathophysiology of SIDS and to determine whether genetic or electrocardiographic screening of apparently healthy infants should be pursued.
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Letter Case Reports
Acute myocarditis after urinary tract infection by Escherichia coli.
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Prognoses in STEMI and NSTEMI beyond one year from onset remain unclear. We aimed to compare the treatments and the two-year outcomes in patients with myocardial infarction (MI) enrolled at the Polish Registry of Acute Coronary Syndromes (PL-ACS). ⋯ The unadjusted long-term prognosis was worse in NSTEMI. After adjustment for the baseline characteristics and treatment strategy, the long-term prognosis was worse in STEMI. Patients with MI treated invasively showed more favorable clinical characteristics and received guideline-recommended therapy more often than patients who did not undergo invasive treatment.