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Title: Dilated aortic root is related to a global aortic dilating diathesis. Author: Alegret JM, Calvo N, Ligero C, Palomares R, Millá L, Martín-Paredero V, Montero M, Joven J. Journal: J Vasc Surg; 2010 Oct; 52(4):867-71. PubMed ID: 20619587. Abstract: OBJECTIVE: The purpose of this study was to analyze the association between the dilatation of the aortic root and the diameters of the rest of the aorta and to identify some related factors that could be used to identify patients at higher risk of presenting with an aortic aneurysm. METHODS: In 71 consecutive patients with a dilated aortic root identified by transthoracic echocardiography, prospective helical computed tomography was performed. Aortic diameters were measured perpendicular to the flow at seven levels in the thoracic and abdominal aorta. RESULTS: Ascending aorta diameter showed a moderate correlation with aortic indexed diameters at the thoracic and abdominal level in tricuspid aortic valve patients (r ranging from 0.37-0.56), whereas in patients with a bicuspid aortic valve, a moderate correlation between the ascending aorta diameters and the thoracic descending aorta diameters was observed (r 0.51-0.53). In a multivariate analysis, age was independently related to indexed diameter at all aortic sites (β ranging from 0.06-0.12 per year), whereas aortic regurgitation was independently related only to thoracic aorta diameter (β ranging from 1.17-1.84). Age (P < .0001), body surface area (P < .0001), and grade of aortic valve regurgitation (P = .001) independently predicted aortic volume. CONCLUSION: Different patterns of aortic diameters were observed in patients with dilated aortic root, depending on age, aortic valve morphology, and function. When a dilated aortic root is detected in older patients with a tricuspid aortic valve, an accurate cardiovascular survey that includes the entire aorta is needed. These results provide further evidence about the systemic nature of aortic dilatation.[Abstract] [Full Text] [Related] [New Search]