Abstract:
BACKGROUND:Although several hypotheses have been proposed, the true origin and pathogenesis of aortic intramural hematoma (IMH) remain unclear. Evolution of patients with aortic IMH is highly variable. Progression to classic aortic dissection, aneurysm or to complete resolution have been described. Our purpose was to assess in-hospital and mid-term evolution of patients with aortic IMH. METHODS:From 2000 to 2015, 40 patients with aortic IMH were prospectively and consecutively recruited in a tertiary care referral center. Aortic IMH was defined as the presence of a circular or crescent-shaped thickening of the aortic wall (≥5mm) in the absence of detectable blood flow inside, within the context of acute aortic syndrome. RESULTS:Twenty three patients (57.5%) had type A, and 17 (42.5%) type B IMH. Up to 34.7% of patients with type A and 47.1% with type B IMH showed intimal tears in the imaging test at admission. In-hospital mortality was higher in the type A IMH group. All-cause mortality after discharge was 20%, without significant differences among groups. Out of hospital death was related to the aortic pathology in just one patient. At follow-up, radiological persistence of IMH was observed in 35.7% of patients with type A and 60% of those with type B IMH. CONCLUSIONS:IMH related mortality takes place primarily during the acute phase of the disease. Clinical evolution after discharge is favorable, either in cases of reabsorption or persistence of the IMH. Imaging test findings rekindle the debate on the true training mechanism of the aortic IMH.
journal_name
Int J Cardioljournal_title
International journal of cardiologyauthors
Ferrera C,Vilacosta I,Gómez-Polo JC,Villanueva-Medina S,Cabeza B,Ortega L,Cañadas V,Carnero-Alcázar M,Martínez-López I,Maroto-Castellanos L,Serrano-Hernando FJdoi
10.1016/j.ijcard.2017.09.170subject
Has Abstractpub_date
2017-12-15 00:00:00pages
410-413eissn
0167-5273issn
1874-1754pii
S0167-5273(17)31169-5journal_volume
249pub_type
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