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1.
J Card Fail ; 27(2): 132-142, 2021 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-33388468

RESUMO

BACKGROUND: The incidence of peripartum cardiomyopathy (PPCM) is known through referral center databases that may be affected by referral, misclassification, and other biases. We sought to determine the community-based incidence and natural history of PPCM using the Rochester Epidemiology Project. METHODS AND RESULTS: Incident cases of PPCM occurring between January 1, 1970, and December 31, 2014, were identified in Olmsted County, Minnesota. A total of 15 PPCM cases were confirmed yielding an incidence of 20.3 cases per 100,000 live births in Olmsted County, Minnesota. Clinical information, disease characteristics, and outcomes were extracted from medical records in a 27-county region of the Rochester Epidemiology Project including Olmsted County and matched in a 1:2 ratio with pregnant women without PPCM. A total of 48 women were identified with PPCM in the expanded 27-county region. There was 1 death and no transplants over a median of 7.3 years of follow-up. Six of the 23 women with subsequent pregnancies developed recurrent PPCM, all of whom recovered. Migraine and anxiety were identified as novel possible risk factors for PPCM. CONCLUSIONS: The population-based incidence of PPCM was 20.3 cases per 100,000 live births in Olmsted County, Minnesota. Cardiovascular outcomes were generally excellent in this community cohort.


Assuntos
Cardiomiopatias , Insuficiência Cardíaca , Transtornos Puerperais , Cardiomiopatias/diagnóstico , Cardiomiopatias/epidemiologia , Estudos de Casos e Controles , Feminino , Humanos , Incidência , Minnesota/epidemiologia , Período Periparto , Gravidez
2.
Int J Mol Sci ; 22(16)2021 Aug 17.
Artigo em Inglês | MEDLINE | ID: mdl-34445539

RESUMO

BACKGROUND: Myocarditis is an inflammatory heart disease caused by viral infections that can lead to heart failure, and occurs more often in men than women. Since animal studies have shown that myocarditis is influenced by sex hormones, we hypothesized that endocrine disruptors, which interfere with natural hormones, may play a role in the progression of the disease. The human population is exposed to the endocrine disruptor bisphenol A (BPA) from plastics, such as water bottles and plastic food containers. METHODS: Male and female adult BALB/c mice were housed in plastic versus glass caging, or exposed to BPA in drinking water versus control water. Myocarditis was induced with coxsackievirus B3 on day 0, and the endpoints were assessed on day 10 post infection. RESULTS: We found that male BALB/c mice that were exposed to plastic caging had increased myocarditis due to complement activation and elevated numbers of macrophages and neutrophils, whereas females had elevated mast cell activation and fibrosis. CONCLUSIONS: These findings show that housing mice in traditional plastic caging increases viral myocarditis in males and females, but using sex-specific immune mechanisms.


Assuntos
Infecções por Coxsackievirus/complicações , Enterovirus Humano B/patogenicidade , Abrigo para Animais/estatística & dados numéricos , Miocardite/patologia , Plásticos/efeitos adversos , Animais , Infecções por Coxsackievirus/virologia , Feminino , Masculino , Camundongos , Camundongos Endogâmicos BALB C , Miocardite/etiologia , Miocardite/virologia , Fatores Sexuais
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