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CAD-RADS · Cardíaco
Sistemas/Cardíaco

CAD-RADS Coronary Artery Disease Reporting and Data System v2.0

vigente

Standardized reporting of coronary CT angiography by maximal stenosis, with modifiers.

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Escala de categorias
01234A4B5

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Procedência e vigência

Órgão emissor
SCCT / ACR / NASCI
Versão
2.0
Ano
2022
Família
léxico
Tipo de lógica
flat
Modalidade
CT
Fonte primária
CAD-RADS 2.0: Coronary Artery Disease Reporting and Data System · doi:10.1016/j.jcct.2022.07.002
Última verificação
2026-06-22
Última checagem
2026-06-22

Lógica de decisão

Forma estruturada (flat). Uma futura calculadora a lê; as categorias abaixo são a superfície legível.

Mostrar a lógica estruturada (JSON)
{
  "categories": [
    "0",
    "1",
    "2",
    "3",
    "4A",
    "4B",
    "5"
  ]
}

Categorias num relance

Cat.SignificadoCondutaRiscoFonte
0
0 percent, no plaque
0% maximal coronary stenosis - no plaque and no luminal stenosis (absence of coronary atherosclerosis).		Reassurance; consideration of non-atherosclerotic causes of symptoms; preventive measures / risk-factor management as clinically appropriate.No coronary atherosclerosis.
okfonte
CAD-RADS 2.0 stenosis categories table (CAD-RADS 0 row), per-patient maximal stenosis
1
1 to 24 percent, minimal
1-24% maximal coronary stenosis - minimal stenosis or plaque with no stenosis.		Emphasis on preventive therapy and risk-factor modification; generally no further cardiac testing for the stenosis itself.Minimal coronary stenosis.
okfonte
CAD-RADS 2.0 stenosis categories table (CAD-RADS 1 row)
2
25 to 49 percent, mild
25-49% maximal coronary stenosis - mild stenosis.		Preventive therapy and risk-factor modification; considered non-obstructive, so no specific ischemia work-up is mandated for the stenosis alone.Mild, non-obstructive coronary stenosis.
okfonte
CAD-RADS 2.0 stenosis categories table (CAD-RADS 2 row)
3
50 to 69 percent, moderate
50-69% maximal coronary stenosis - moderate stenosis.		Consideration of functional/ischemia assessment (e.g. CT-FFR, myocardial CT perfusion, stress testing) or invasive coronary angiography (ICA) when ischemia evaluation is needed; preventive therapy.Moderate stenosis, potentially obstructive.
okfonte
CAD-RADS 2.0 stenosis categories table (CAD-RADS 3 row)
4A
70 to 99 percent in 1 or 2 vessels, severe
70-99% maximal coronary stenosis (severe) in 1 or 2 vessels, without left main involvement or 3-vessel obstructive disease.		Consideration of ICA and/or functional imaging (e.g. CT-FFR, myocardial CT perfusion, stress testing); preventive therapy and risk-factor modification.Severe, obstructive stenosis limited to 1 or 2 vessels.
okfonte
CAD-RADS 2.0 stenosis categories table (CAD-RADS 4A row), per-patient maximal stenosis
4B
Left main 50 percent or more, or 3-vessel obstructive disease
Left main stenosis >=50% OR 3-vessel obstructive disease (>=70% stenosis in each of three vessels).		ICA recommended, with possible revascularization, particularly in symptomatic patients; this higher-risk anatomy is managed more aggressively than 4A.Severe stenosis with higher-risk anatomy (left main or 3-vessel obstructive disease).
okfonte
CAD-RADS 2.0 stenosis categories table (CAD-RADS 4B row), per-patient maximal stenosis
5
100 percent, total occlusion
100% stenosis - total coronary occlusion of at least one coronary artery (i.e. >99% / complete occlusion).		Consideration of ICA and/or viability assessment; evaluate whether the occlusion is acute versus chronic and assess collateralization, guiding possible revascularization.Total coronary occlusion.
okfonte
CAD-RADS 2.0 stenosis categories table (CAD-RADS 5 row)

Referências cruzadas

fronteira compartilhadaCAC. Coronary artery calcium (Agatston) categoriesCoronary CT: CAD-RADS grades luminal stenosis while the calcium score quantifies calcified plaque burden.

Histórico de versões

DataEventoDetalheSituação
2022-07-01revisedCAD-RADS 2.0 released, updating the 2016 system.confirmado
Quickstart da APIGET /api/v1/systems/cad-radsaberto
curl -s "https://radcommons.laudos.ai/api/v1/systems/cad-rads"
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