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DeBakey · Vascular
Sistemas/Vascular

DeBakey classification of aortic dissection

vigente

Classifies aortic dissection by origin and extent.

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Escala de categorias
IIIIIIaIIIb

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Procedência e vigência

Órgão emissor
Vascular surgery consensus
Versão
1965
Ano
1965
Família
léxico
Tipo de lógica
flat
Modalidade
CT, MRI
Fonte primária
Surgical management of dissecting aneurysms of the aorta (DeBakey 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": [
    "I",
    "II",
    "IIIa",
    "IIIb"
  ]
}

Categorias num relance

Cat.SignificadoCondutaRiscoFonte
I
Type I
Dissection originating in the ascending aorta and propagating distally through the aortic arch into the descending aorta (and often beyond) — i.e. it involves all three thoracic segments: ascending, arch and descending. Corresponds to Stanford type A.		Surgical emergency: open repair with excision of the intimal tear and ascending-aortic (and as needed arch) replacement using a synthetic graft. Medical management alone is inadequate because of the ascending-aorta involvement.High-risk because of ascending-aortic involvement; in-hospital mortality for type A dissections is about 15-30%, with risk of tamponade, aortic rupture, coronary or cerebral malperfusion and aortic regurgitation.
okfonte
StatPearls 'Aortic Dissection' (NBK441963), Introduction (DeBakey Type 1, ascending+arch+descending; = Stanford A) and Treatment/Prognosis (surgical emergency, graft replacement; type A in-hospital mortality 15-30%).
II
Type II
Dissection originating in and confined to the ascending aorta, not extending into the arch or descending aorta. Corresponds to Stanford type A.		Surgical emergency, same approach as type 1: excision of the intimal tear and ascending-aortic replacement with a synthetic graft. Ascending involvement mandates operative repair rather than medical therapy alone.Type A physiology with high early mortality (about 15-30% in-hospital); principal threats are aortic rupture, pericardial tamponade, aortic regurgitation and proximal malperfusion.
okfonte
StatPearls 'Aortic Dissection' (NBK441963), Introduction (DeBakey Type 2, limited to ascending aorta; = Stanford A) and Treatment/Prognosis (surgical emergency; type A in-hospital mortality 15-30%).
IIIa
Type IIIa
Dissection beginning in the descending aorta (distal to the left subclavian artery) and extending distally but remaining above the diaphragm, confined to the thoracic descending aorta. Corresponds to Stanford type B.		Uncomplicated cases: medical therapy first-line, with aggressive blood-pressure and heart-rate control (anti-impulse therapy). Complicated cases (malperfusion, rupture, refractory pain/hypertension): TEVAR stent-graft to seal the entry tear.Lower early mortality than type A; in-hospital mortality for medically managed type B dissections is about 10-15%. Risk rises with complications such as malperfusion or rupture.
okfonte
StatPearls 'Aortic Dissection' (NBK441963), Introduction (DeBakey Type 3a, descending, above diaphragm; = Stanford B) and Treatment/Prognosis (uncomplicated -> medical BP/HR control, complicated -> TEVAR; medically managed type B in-hospital mortality 10-15%).
IIIb
Type IIIb
Dissection beginning in the descending aorta (distal to the left subclavian artery) and extending below the diaphragm into the abdominal aorta. Corresponds to Stanford type B.		As for type 3a: medical anti-impulse therapy (blood-pressure and heart-rate control) for uncomplicated disease; TEVAR (or open/branched repair) when complicated by malperfusion, rupture or refractory symptoms. Abdominal extension can complicate stent-graft coverage.Stanford type B prognosis with about 10-15% in-hospital mortality when medically managed; abdominal/visceral extension adds risk of renal or mesenteric malperfusion.
okfonte
StatPearls 'Aortic Dissection' (NBK441963), Introduction (DeBakey Type 3b, descending, below diaphragm into abdominal aorta; = Stanford B) and Treatment/Prognosis (medical vs TEVAR by complication; type B in-hospital mortality 10-15%).

Referências cruzadas

fronteira compartilhadaStanford. Stanford classification of aortic dissectionDeBakey maps onto the simpler Stanford A/B division.

Histórico de versões

Nenhum evento de versão registrado.

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