p.82 抽出テキスト

Acute aortic dissection occurs mostly in males (∼65%) and in the seventh decade of life (∼63 years).1175,1182 Multiple risk factors often coexist directly linked to factors like wall stress (with systemic hypertension being the most common) and/or aortic media abnormalities, including syndromic and non-syndromic genetic diseases. HTAD, BAV, prior aortic surgery, and larger aortic dimensions are more frequent among young patients (<40 years).24,1182,1183 Systemic hypertension and cocaine abuse are more common among African-American

Classification of timing

Frequency of acute aortic syndrome

Classification of acute aortic syndromes

DeBakey I

Stanford A Stanford B

DeBakey II DeBakey IIIa DeBakey IIIb

60% 10–15% 25–30%

Hyperacute

AAS

Time Acute

AAS Subacute

AAS Chronic

AAS

AAS onset 24 hours

post-AAS 14 days

post-AAS 90 days

post-AAS

Figure 28 Anatomical and temporal classification of acute aortic syndrome. AAS, acute aortic syndrome.

ESC Guidelines                                                                                                                                                                                          3619

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