{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T13:53:39Z","timestamp":1784642019440,"version":"3.55.0"},"reference-count":16,"publisher":"Sociedade Brasileira de Cardiologia","issue":"2","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  Fundamento  O Isolamento da Veia Pulmonar (IVP) \u00e9 crucial no tratamento de Fibrila\u00e7\u00e3o Atrial (FA). Novas tecnologias de abla\u00e7\u00e3o, tais como Abla\u00e7\u00e3o por Campo Pulsado (ACP) e abla\u00e7\u00e3o por radiofrequ\u00eancia de Alta Pot\u00eancia e Curta dura\u00e7\u00e3o (HPSD, do ingl\u00eas high-power short-duration) surgiram no laborat\u00f3rio de eletrofisiologia. No entanto, n\u00e3o h\u00e1 estudos comparando os desfechos dessas abordagens.  Objetivo  Comparar a efic\u00e1cia, a seguran\u00e7a da ACP e da abla\u00e7\u00e3o por HPSD em pacientes com FA sintom\u00e1tica.  M\u00e9todos  Estudo retrospectivo, unic\u00eantrico, de pacientes consecutivos submetidos ao IPP com ACP ou HPSD entre maio e dezembro de 2022. Foram analisados dados demogr\u00e1ficos, dados relacionados ao procedimento, e recorr\u00eancia de FA durante o seguimento. Foi realizada an\u00e1lise comparativa entre as duas t\u00e9cnicas. Um valor de p &lt;0,05 foi considerado estatisticamente significativo.  Resultados  Foram inclu\u00eddos 101 pacientes (61\u00b111 anos, 75% homens); 56% dos pacientes apresentaram FA parox\u00edstica e 19% foram submetidos a uma segunda abla\u00e7\u00e3o. Quarenta e cinco porcento dos pacientes foram submetidos \u00e0 abla\u00e7\u00e3o por HPSD e 55% \u00e0 ACP. Na compara\u00e7\u00e3o entre a abla\u00e7\u00e3o por HPSD e ACP, a primeira t\u00e9cnica apresentou um menor tempo de fluoroscopia [5min (IIQ 3-7min] vs. 13min (IQR 10-16min), p&lt;0,001], por\u00e9m um tempo de procedimento mais longo [97min (IQR 75-142) vs. 88min (IQR 66-111), p=0,13]. O Isolamento da Parede Posterior (IPP) foi realizado em cinco (11%) dos pacientes submetidos \u00e0 abla\u00e7\u00e3o por HPSD vs. 20 (36%) dos submetidos \u00e0 ACP (p=0,004). Houve somente um caso de complica\u00e7\u00e3o maior, um paciente com tamponamento card\u00edaco ap\u00f3s a ACP, tratado com pericardiocentese. Ao longo do per\u00edodo de acompanhamento [384 (IIQ 341 -545) dias], 76 pacientes (75%) encontravam-se em ritmo sinusal, e 25% dos pacientes sofreram recorr\u00eancia de FA (10 pacientes no grupo ACP e 15 no grupo HPSD, p=0,06).  Conclus\u00f5es  Observou-se que tanto a ACP como a abla\u00e7\u00e3o por HPSD \u00e9 um procedimento vi\u00e1vel e seguro. A ACP resultou em tempos mais curtos de procedimento e menores taxas de recorr\u00eancia de FA, principalmente quando o IPP foi realizado. Embora avalia\u00e7\u00f5es no mundo real sejam ainda escassas, ambas as t\u00e9cnicas parecem eficientes, com uma baixa taxa de recorr\u00eancia de FA.<\/jats:p>","DOI":"10.36660\/abc.20240542","type":"journal-article","created":{"date-parts":[[2025,3,25]],"date-time":"2025-03-25T14:24:06Z","timestamp":1742912646000},"source":"Crossref","is-referenced-by-count":1,"title":["Abla\u00e7\u00e3o de Fibrila\u00e7\u00e3o Atrial: Eletropora\u00e7\u00e3o versus Abla\u00e7\u00e3o por Radiofrequ\u00eancia de Alta Pot\u00eancia e Curta Dura\u00e7\u00e3o"],"prefix":"10.36660","volume":"122","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0881-053X","authenticated-orcid":false,"given":"Rita Reis","family":"Santos","sequence":"first","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rita","family":"Amador","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pedro Galv\u00e3o","family":"Santos","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1554-6116","authenticated-orcid":false,"given":"Daniel","family":"Matos","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gustavo","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jo\u00e3o","family":"Carmo","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francisco","family":"Costa","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pedro","family":"Carmo","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francisco","family":"Morgado","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2771-345X","authenticated-orcid":false,"given":"Diogo","family":"Cavaco","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7327-2275","authenticated-orcid":false,"given":"Mauricio","family":"Scanavacca","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo,  Brasil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pedro","family":"Adrag\u00e3o","sequence":"additional","affiliation":[{"name":"Ocidental Hospital de Santa Cruz,  Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"22636","published-online":{"date-parts":[[2025]]},"reference":[{"key":"ref1","article-title":"Atrial Fibrillation: Pathophysiology, Genetic and Epigenetic Mechanisms","volume":"37","author":"Vinciguerra M","year":"2024","journal-title":"Lancet Reg Health Eur"},{"issue":"25","key":"ref2","first-page":"2982","article-title":"Global Burden of Cardiovascular Diseases and Risk Factors, 1990-2019: Update from the GBD 2019 Study","volume":"76","author":"Roth GA","year":"2020","journal-title":"J Am Coll Cardiol"},{"issue":"5","key":"ref3","doi-asserted-by":"crossref","first-page":"373","DOI":"10.1093\/eurheartj\/ehaa612","article-title":"2020 ESC Guidelines for the Diagnosis and Management of Atrial Fibrillation Developed in 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