{"id":708,"date":"2026-04-01T18:07:48","date_gmt":"2026-04-01T18:07:48","guid":{"rendered":"https:\/\/msnacif.med.br\/home\/?p=708"},"modified":"2026-04-01T19:15:36","modified_gmt":"2026-04-01T19:15:36","slug":"atencao-escore-de-calcio-exclusivo-para-estratificacao-de-risco-cardiovascular","status":"publish","type":"post","link":"https:\/\/msnacif.med.br\/home\/atencao-escore-de-calcio-exclusivo-para-estratificacao-de-risco-cardiovascular\/","title":{"rendered":"Aten\u00e7\u00e3o! Escore de c\u00e1lcio exclusivo para estratifica\u00e7\u00e3o de risco cardiovascular."},"content":{"rendered":"<style>\n.wp-ccta-article {<br \/>  --primary: #0f4c81;<br \/>  --primary-dark: #0a365c;<br \/>  --border: #dbe3ea;<br \/>  --text: #1f2937;<br \/>  --muted: #6b7280;<br \/>  --bg: #ffffff;<br \/>}<\/p>\n<p>.wp-ccta-article{<br \/>  font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Arial,sans-serif;<br \/>  color:var(--text);<br \/>  line-height:1.7;<br \/>  background:var(--bg);<br \/>  border:1px solid var(--border);<br \/>  border-radius:16px;<br \/>  padding:32px;<br \/>  box-shadow:0 8px 24px rgba(15,76,129,.08);<br \/>}<\/p>\n<p>.wp-ccta-article h1{<br \/>  font-size:2rem;<br \/>  margin-bottom:12px;<br \/>  color:var(--primary-dark);<br \/>}<\/p>\n<p>.wp-ccta-article p{<br \/>  margin-bottom:16px;<br \/>}<\/p>\n<p>.note-box{<br \/>  background:#f8fbff;<br \/>  border-left:5px solid var(--primary);<br \/>  padding:16px;<br \/>  border-radius:10px;<br \/>  margin:20px 0;<br \/>}<br \/><\/style>\n<div class=\"wp-ccta-article\">\n<p>A literatura cient\u00edfica dos \u00faltimos 20 anos demonstra de forma consistente que o escore de c\u00e1lcio coron\u00e1rio e a angiotomografia de coron\u00e1rias t\u00eam pap\u00e9is complementares, mas distintos, e que confundir suas indica\u00e7\u00f5es representa um erro conceitual e cl\u00ednico importante.<\/p>\n<p>&nbsp;<\/p>\n<h3>Limita\u00e7\u00f5es do escore de c\u00e1lcio para avalia\u00e7\u00e3o completa da aterosclerose:<\/h3>\n<p>&nbsp;<\/p>\n<p>A evid\u00eancia \u00e9 clara: at\u00e9 17% dos pacientes com escore de c\u00e1lcio zero apresentam doen\u00e7a coron\u00e1ria obstrutiva na angioTC, e essa propor\u00e7\u00e3o \u00e9 ainda maior em pacientes mais jovens (at\u00e9 58% em menores de 40 anos com doen\u00e7a obstrutiva t\u00eam c\u00e1lcio zero).[1][2] Em grandes coortes internacionais, a acur\u00e1cia diagn\u00f3stica da angioTC (81,1%) foi significativamente superior ao escore de c\u00e1lcio (68,8%) para detec\u00e7\u00e3o de doen\u00e7a obstrutiva.[1] Isso ocorre porque a aterosclerose frequentemente se manifesta como placa n\u00e3o calcificada ou predominantemente fibr\u00f3tica, especialmente em fases iniciais e em pacientes mais jovens.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-712\" src=\"https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0024.jpg\" alt=\"\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0024.jpg 1536w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0024-300x200.jpg 300w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0024-1024x683.jpg 1024w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0024-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3>Superioridade da angioTC para caracteriza\u00e7\u00e3o da doen\u00e7a:<\/h3>\n<p>A angioTC n\u00e3o apenas detecta c\u00e1lcio, mas visualiza todo o espectro da aterosclerose: placas calcificadas, n\u00e3o calcificadas, mistas, sua extens\u00e3o, distribui\u00e7\u00e3o e repercuss\u00e3o luminal.[3] Estudos demonstram que a angioTC mant\u00e9m alta acur\u00e1cia diagn\u00f3stica mesmo em pacientes com calcifica\u00e7\u00e3o severa (sensibilidade &gt;95% mesmo com escores &gt;1000), contrariando a antiga no\u00e7\u00e3o de que c\u00e1lcio extenso limitaria o m\u00e9todo.[4]<\/p>\n<p>&nbsp;<\/p>\n<h3>Valor progn\u00f3stico da placa n\u00e3o calcificada:<\/h3>\n<p>&nbsp;<\/p>\n<p>O estudo SCOT-HEART demonstrou que a carga de placa de baixa atenua\u00e7\u00e3o (low-attenuation plaque) \u00e9 o preditor mais robusto de infarto do mioc\u00e1rdio, superando escore de c\u00e1lcio, gravidade de estenose e escores de risco tradicionais.[5] Pacientes com carga de placa de baixa atenua\u00e7\u00e3o &gt;4% apresentaram risco 5 vezes maior de infarto (HR 4,65).[5] Em contexto de doen\u00e7a n\u00e3o obstrutiva, essa carga elevada associou-se a risco 7 vezes maior de infarto.[6] Essas placas vulner\u00e1veis, ricas em n\u00facleo necr\u00f3tico, s\u00e3o frequentemente n\u00e3o calcificadas e invis\u00edveis ao escore de c\u00e1lcio.<\/p>\n<p>&nbsp;<\/p>\n<h3>Impacto cl\u00ednico da angioTC: evid\u00eancia de desfechos:<\/h3>\n<p>&nbsp;<\/p>\n<p>O seguimento de 10 anos do SCOT-HEART, publicado recentemente, mostrou que a estrat\u00e9gia guiada por angioTC resultou em redu\u00e7\u00e3o sustentada de morte coron\u00e1ria ou infarto n\u00e3o fatal (HR 0,79; p=0,044), com redu\u00e7\u00e3o de 28% em infartos n\u00e3o fatais (HR 0,72; p=0,017).[7] Esse benef\u00edcio foi atribu\u00eddo ao reconhecimento precoce da aterosclerose (incluindo doen\u00e7a n\u00e3o obstrutiva) e maior uso de terapias preventivas ao longo do tempo, sem excesso de revasculariza\u00e7\u00f5es.[7][8]<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-710\" src=\"https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/0.jpg\" alt=\"\" width=\"1298\" height=\"1900\" srcset=\"https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/0.jpg 1298w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/0-205x300.jpg 205w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/0-700x1024.jpg 700w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/0-768x1124.jpg 768w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/0-1049x1536.jpg 1049w\" sizes=\"(max-width: 1298px) 100vw, 1298px\" \/>\u00a0Figure 2 Cumulative Incidence of Death from Coronary Heart Disease or Nonfatal Myocardial Infarction. undefined<\/p>\n<p>&nbsp;<\/p>\n<h3>Diretrizes contempor\u00e2neas:<\/h3>\n<p>&nbsp;<\/p>\n<p>As diretrizes AHA\/ACC 2021 para dor tor\u00e1cica posicionam a angioTC como m\u00e9todo diagn\u00f3stico de primeira linha em pacientes sintom\u00e1ticos com probabilidade intermedi\u00e1ria-alta de doen\u00e7a coron\u00e1ria, enquanto o escore de c\u00e1lcio \u00e9 reservado para estratifica\u00e7\u00e3o de risco em pacientes assintom\u00e1ticos ou como ferramenta de reclassifica\u00e7\u00e3o em preven\u00e7\u00e3o prim\u00e1ria.[10]<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-711\" src=\"https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/1.jpg\" alt=\"\" width=\"741\" height=\"679\" srcset=\"https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/1.jpg 741w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/1-300x275.jpg 300w\" sizes=\"(max-width: 741px) 100vw, 741px\" \/><\/p>\n<p>Figure 12 Clinical Decision Pathway for Patients With Stable Chest Pain and No Known CAD undefined<\/p>\n<p>&nbsp;<\/p>\n<h3>Mensagem pr\u00e1tica:<\/h3>\n<p>&nbsp;<\/p>\n<p>A evid\u00eancia acumulada em duas d\u00e9cadas confirma sua an\u00e1lise: o escore de c\u00e1lcio \u00e9 excelente marcador de carga ateroscler\u00f3tica calcificada e ferramenta de refinamento de risco em preven\u00e7\u00e3o, mas n\u00e3o substitui a angioTC quando a quest\u00e3o cl\u00ednica envolve presen\u00e7a, tipo, extens\u00e3o e repercuss\u00e3o luminal da aterosclerose. A angioTC \u00e9 o m\u00e9todo que realmente mostra a doen\u00e7a coron\u00e1ria em sua totalidade, incluindo as placas n\u00e3o calcificadas de alto risco que frequentemente precedem eventos agudos. Confundir essas indica\u00e7\u00f5es pode resultar em subestima\u00e7\u00e3o de risco e perda de oportunidades terap\u00eauticas, especialmente em pacientes mais jovens e naqueles com doen\u00e7a predominantemente n\u00e3o calcificada.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-714\" src=\"https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0026.jpg\" alt=\"\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0026.jpg 1536w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0026-300x200.jpg 300w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0026-1024x683.jpg 1024w, https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0026-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3>Refer\u00eancias<\/h3>\n<p>Computed Tomography Angiography Versus Agatston Score for Diagnosis of Coronary Artery Disease in Patients With Stable Chest Pain: Individual Patient Data Meta-Analysis of the International COME-CCT Consortium. Wieske V, Walther M, Dubourg B, et al. European Radiology. 2022;32(8):5233-5245. doi:10.1007\/s00330-022-08619-4.<\/p>\n<p>Association of Age With the Diagnostic Value of Coronary Artery Calcium Score for Ruling Out Coronary Stenosis in Symptomatic Patients. Mortensen MB, Gaur S, Frimmer A, et al. JAMA Cardiology. 2022;7(1):36-44. doi:10.1001\/jamacardio.2021.4406.<\/p>\n<p>Rationale and Design of SCOT-HEART 2 Trial: CT Angiography for the Prevention of Myocardial Infarction. McDermott M, Meah MN, Khaing P, et al. JACC. Cardiovascular Imaging. 2024;17(9):1101-1112. doi:10.1016\/j.jcmg.2024.05.016.<\/p>\n<p>Diagnostic Performance of Coronary CT Angiography for Stenosis Detection According to Calcium Score: Systematic Review and Meta-Analysis. den Dekker MA, de Smet K, de Bock GH, et al. European Radiology. 2012;22(12):2688-98. doi:10.1007\/s00330-012-2551-x.<\/p>\n<p>Low-Attenuation Noncalcified Plaque on Coronary Computed Tomography Angiography Predicts Myocardial Infarction: Results From the Multicenter SCOT-HEART Trial (Scottish Computed Tomography of the HEART). Williams MC, Kwiecinski J, Doris M, et al. Circulation. 2020;141(18):1452-1462. doi:10.1161\/CIRCULATIONAHA.119.044720.<\/p>\n<p>State of the Art: Evaluation and Medical Management of Nonobstructive Coronary Artery Disease in Patients With Chest Pain: A Scientific Statement From the American Heart Association. Slipczuk L, Blankstein R, Bucciarelli-Ducci C, et al. Circulation. 2025;152(23):e443-e466. doi:10.1161\/CIR.0000000000001394.<\/p>\n<p>Coronary CT Angiography-Guided Management of Patients With Stable Chest Pain: 10-Year Outcomes From the SCOT-HEART Randomised Controlled Trial in Scotland. Williams MC, Wereski R, Tuck C, et al. Lancet (London, England). 2025;405(10475):329-337. doi:10.1016\/S0140-6736(24)02679-5.<\/p>\n<p>Guiding Therapy by Coronary CT Angiography Improves Outcomes in Patients With Stable Chest Pain. Adamson PD, Williams MC, Dweck MR, et al. Journal of the American College of Cardiology. 2019;74(16):2058-2070. doi:10.1016\/j.jacc.2019.07.085.<\/p>\n<p>Coronary CT Angiography and 5-Year Risk of Myocardial Infarction. SCOT-HEART Investigators, Newby DE, Adamson PD, et al. The New England Journal of Medicine. 2018;379(10):924-933. doi:10.1056\/NEJMoa1805971.<\/p>\n<p>Non-Invasive Imaging in Coronary Syndromes: Recommendations of the European Association of Cardiovascular Imaging and the American Society of Echocardiography, in Collaboration With the American Society of Nuclear Cardiology, Society of Cardiovascular Computed Tomography, and Society for Cardiovascular Magnetic Resonance. Edvardsen T, Asch FM, Davidson B, et al. Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography. 2022;35(4):329-354. doi:10.1016\/j.echo.2021.12.012.<\/p>\n<p>2021 AHA\/ACC\/ASE\/CHEST\/SAEM\/SCCT\/SCMR Guideline for the Evaluation and Diagnosis of Chest Pain: A Report of the American College of Cardiology\/American Heart Association Joint Committee on Clinical Practice Guidelines. Writing Committee Members, Gulati M, Levy PD, et al. Journal of the American College of Cardiology. 2021;78(22):e187-e285. doi:10.1016\/j.jacc.2021.07.053.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>AngioTC de coron\u00e1ria: uma forma de personalizar e acompanhar o tratamento da aterosclerose<br \/>\nComo m\u00e9dico que realiza angioTC de coron\u00e1ria h\u00e1 mais de duas d\u00e9cadas, entendo que o maior valor do m\u00e9todo n\u00e3o est\u00e1 apenas em identificar estenose significativa. O verdadeiro ganho cl\u00ednico da angiotomografia coron\u00e1ria \u00e9 permitir que o m\u00e9dico deixe de trabalhar exclusivamente com probabilidade estat\u00edstica e passe a visualizar a doen\u00e7a ateroscler\u00f3tica de forma concreta, individualizada e biologicamente coerente.<\/p>\n","protected":false},"author":2,"featured_media":713,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[11],"tags":[],"class_list":["post-708","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aten\u00e7\u00e3o! Escore de c\u00e1lcio exclusivo para estratifica\u00e7\u00e3o de risco cardiovascular. - Dr. Marcelo Nacif<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/msnacif.med.br\/home\/atencao-escore-de-calcio-exclusivo-para-estratificacao-de-risco-cardiovascular\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aten\u00e7\u00e3o! Escore de c\u00e1lcio exclusivo para estratifica\u00e7\u00e3o de risco cardiovascular. - Dr. Marcelo Nacif\" \/>\n<meta property=\"og:description\" content=\"AngioTC de coron\u00e1ria: uma forma de personalizar e acompanhar o tratamento da aterosclerose Como m\u00e9dico que realiza angioTC de coron\u00e1ria h\u00e1 mais de duas d\u00e9cadas, entendo que o maior valor do m\u00e9todo n\u00e3o est\u00e1 apenas em identificar estenose significativa. O verdadeiro ganho cl\u00ednico da angiotomografia coron\u00e1ria \u00e9 permitir que o m\u00e9dico deixe de trabalhar exclusivamente com probabilidade estat\u00edstica e passe a visualizar a doen\u00e7a ateroscler\u00f3tica de forma concreta, individualizada e biologicamente coerente.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/msnacif.med.br\/home\/atencao-escore-de-calcio-exclusivo-para-estratificacao-de-risco-cardiovascular\/\" \/>\n<meta property=\"og:site_name\" content=\"Dr. Marcelo Nacif\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-01T18:07:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-01T19:15:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/msnacif.med.br\/home\/wp-content\/uploads\/2026\/04\/IMG-20260401-WA0025.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Conectou!\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Conectou!\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/msnacif.med.br\/home\/atencao-escore-de-calcio-exclusivo-para-estratificacao-de-risco-cardiovascular\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/msnacif.med.br\/home\/atencao-escore-de-calcio-exclusivo-para-estratificacao-de-risco-cardiovascular\/\"},\"author\":{\"name\":\"Conectou!\",\"@id\":\"https:\/\/msnacif.med.br\/home\/#\/schema\/person\/a0519eecab3cb36429bece6470836d1b\"},\"headline\":\"Aten\u00e7\u00e3o! 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