{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T04:32:43Z","timestamp":1772253163949,"version":"3.50.1"},"reference-count":13,"publisher":"Sociedade Brasileira de Cardiologia","issue":"4","license":[{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq. Bras. Cardiol."],"abstract":"<jats:p>Resumo  Fundamentos  Estudos recentes associaram a repolariza\u00e7\u00e3o precoce (RP) com um risco de fibrila\u00e7\u00e3o ventricular aumentado, especialmente nas deriva\u00e7\u00f5es V1-V3 e nas regi\u00f5es inferior e lateral. No entanto, dados sobre a popula\u00e7\u00e3o brasileira s\u00e3o limitados.  Objetivos  Estimar o impacto da RP na sobrevida e na ocorr\u00eancia de arritmias ventriculares (AVs) em um per\u00edodo de 10 anos em um hospital universit\u00e1rio.  M\u00e9todos  Este estudo retrospectivo do tipo coorte incluiu pacientes com RP no eletrocardiograma a partir do banco de dados do hospital. An\u00e1lise descritiva foi conduzida para descrever o perfil e as caracter\u00edsticas dos pacientes. O m\u00e9todo de Kaplan-Meier foi usado para avaliar as diferen\u00e7as entre os tipos de RP. Modelos de regress\u00e3o de Cox foram aplicados para avaliar os riscos de morte e AV. calculando os hazard ratios brutos e ajustados. O n\u00edvel de signific\u00e2ncia adotado na an\u00e1lise estat\u00edstica foi de 5%.  Resultados  A popula\u00e7\u00e3o do estudo foi predominantemente do sexo masculino, com idade m\u00e9dia de 45,6 anos; 2,7% apresentaram AV (cinco no grupo com RP lateral, quatro no grupo com RP inferior e quatro no grupo com RP \u00ednfero-lateral). Foram observadas diferen\u00e7as significativas na idade, sexo, e ocorr\u00eancia de insufici\u00eancia card\u00edaca com fra\u00e7\u00e3o de eje\u00e7\u00e3o reduzida entre os grupos. Em rela\u00e7\u00e3o \u00e0 mortalidade por todas as causas, 2,3% dos pacientes foram a \u00f3bito (cinco no grupo com RP lateral, um no grupo com RP inferior e cinco no grupo com RP \u00ednfero-lateral). Somente idade mostrou uma diferen\u00e7a estatisticamente significativa. Observou-se diferen\u00e7as significativas na ocorr\u00eancia de morte e de AV entre os grupos (p=0,7 e p=0,5, respectivamente).  Conclus\u00e3o  A RP n\u00e3o levou a uma maior incid\u00eancia de AV nem de mortalidade por todas as causas na popula\u00e7\u00e3o estudada.<\/jats:p>","DOI":"10.36660\/abc.20240516","type":"journal-article","created":{"date-parts":[[2025,5,12]],"date-time":"2025-05-12T09:35:49Z","timestamp":1747042549000},"source":"Crossref","is-referenced-by-count":0,"title":["Mortalidade e Arritmia Ventricular em Pacientes com Repolariza\u00e7\u00e3o Precoce"],"prefix":"10.36660","volume":"122","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3322-3086","authenticated-orcid":false,"given":"Hugo","family":"Baldisserotto","sequence":"first","affiliation":[{"name":"Universidade Federal do Rio Grande do Sul,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barbara Adelmann de","family":"Lima","sequence":"additional","affiliation":[{"name":"Pontif\u00edcia Universidade Cat\u00f3lica do Rio Grande do Sul,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8232-3310","authenticated-orcid":false,"given":"Marco Aur\u00e9lio Lumertz","family":"Saffi","sequence":"additional","affiliation":[{"name":"Universidade Federal do Rio Grande do Sul,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anderson Donelli da","family":"Silveira","sequence":"additional","affiliation":[{"name":"Universidade Federal do Rio Grande do Sul,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcia Leonardi","family":"Baldisserotto","sequence":"additional","affiliation":[{"name":"Universidade Federal do Rio de Janeiro,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tiago Luiz Luz","family":"Leiria","sequence":"additional","affiliation":[{"name":"Universidade Federal do Rio Grande do Sul,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"22636","published-online":{"date-parts":[[2025]]},"reference":[{"issue":"26","key":"ref1","doi-asserted-by":"crossref","first-page":"2529","DOI":"10.1056\/NEJMoa0907589","article-title":"Long-Term Outcome Associated with Early Repolarization on Electrocardiography","volume":"361","author":"Tikkanen JT","year":"2009","journal-title":"N Engl J Med"},{"issue":"11","key":"ref2","doi-asserted-by":"crossref","first-page":"1064","DOI":"10.1056\/NEJMra022783","article-title":"Sudden Death in Young Athletes","volume":"349","author":"Maron BJ","year":"2003","journal-title":"N Engl J Med"},{"issue":"3","key":"ref3","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1016\/S0002-9343(03)00355-3","article-title":"The Early Repolarization Normal Variant Electrocardiogram: Correlates and Consequences","volume":"115","author":"Klatsky AL","year":"2003","journal-title":"Am J 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Years","volume":"18","author":"Siebermair J","year":"2016","journal-title":"Europace"},{"issue":"4","key":"ref7","doi-asserted-by":"crossref","first-page":"278","DOI":"10.1161\/CIRCULATIONAHA.109.853143","article-title":"Systematic Assessment of Patients with Unexplained Cardiac Arrest: Cardiac Arrest Survivors With Preserved Ejection Fraction Registry (CASPER)","volume":"120","author":"Krahn AD","year":"2009","journal-title":"Circulation"},{"issue":"23","key":"ref8","doi-asserted-by":"crossref","first-page":"2666","DOI":"10.1161\/CIRCULATIONAHA.110.014068","article-title":"Early Repolarization: Electrocardiographic Phenotypes Associated with Favorable Long-Term Outcome","volume":"123","author":"Tikkanen JT","year":"2011","journal-title":"Circulation"},{"issue":"15","key":"ref9","doi-asserted-by":"crossref","first-page":"1520","DOI":"10.1161\/CIR.0000000000000388","article-title":"Electrocardiographic Early Repolarization: A Scientific Statement from the American Heart 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