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Stanford classification of aortic dissection

vigente

Classifies aortic dissection by involvement of the ascending aorta.

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Escala de categorias
AB

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Procedência e vigência

Órgão emissor
Vascular surgery consensus
Versão
1970
Ano
1970
Família
léxico
Tipo de lógica
flat
Modalidade
CT, MRI
Fonte primária
Management of acute aortic dissections (Stanford classification)
Última verificação
2026-06-26
Última checagem
2026-06-26

Lógica de decisão

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

Mostrar a lógica estruturada (JSON)
{
  "categories": [
    "A",
    "B"
  ]
}

Categorias num relance

Cat.SignificadoCondutaRiscoFonte
A
Type A (ascending involved)
Any aortic dissection that involves the ascending aorta, irrespective of where the primary intimal entry tear is located. By definition these are dissections sitting proximal to the brachiocephalic (innominate) artery; the process may also extend into the arch and descending aorta, but ascending-aorta involvement is what defines type A.		Generally treated as a surgical emergency, with urgent open repair (excision of the intimal tear, graft replacement of the ascending aorta, with aortic valve repair/replacement as needed) the usual first-line approach.High early mortality if untreated — rising roughly 1-2% per hour in the first 24-48 hours and approaching ~50% by the end of the first week. With surgery, reported in-hospital mortality is ~15-30%, with ~70-80% 5-year survival.
okfonte
StatPearls 'Aortic Dissection' (NBK441963), Introduction (Stanford Type A definition) and Prognosis/Treatment sections (untreated ~1-2%/hour early mortality, ~50% by 1 week; surgical in-hospital mortality ~15-30%; ~70-80% 5-year survival). Definition corroborated by Wikipedia 'Aortic dissection', Classification section.
B
Type B (descending only)
Aortic dissection that does NOT involve the ascending aorta. The entry tear and dissection originate distal to the origin of the left subclavian artery and involve only the descending aorta (and beyond), with the ascending aorta spared.		Initial medical management for uncomplicated cases (anti-impulse therapy: blood-pressure and heart-rate control), with endovascular stent-grafting (TEVAR) or surgery reserved for complications such as malperfusion or rupture.Uncomplicated type B with medical therapy has ~10-15% in-hospital mortality and ~75-85% 5-year survival; complicated type B (malperfusion or rupture) can exceed ~30-40% in-hospital mortality if not promptly treated.
okfonte
StatPearls 'Aortic Dissection' (NBK441963), Introduction (Stanford Type B definition) and Prognosis/Treatment sections (uncomplicated medical mortality ~10-15%, ~75-85% 5-year survival; complicated ~30-40% mortality; TEVAR/surgery for complications). Definition and medical-vs-intervention contrast corroborated by Wikipedia 'Aortic dissection', Classification section.

Referências cruzadas

fronteira compartilhadaDeBakey. DeBakey classification of aortic dissectionTwo systems for aortic dissection: Stanford by ascending involvement, DeBakey by origin and extent.

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