OBJECTIVE: Thoracic endovascular aortic repair (TEVAR) has been shown to have survival benefit in @entity1 with complicated type B dissection compared with open surgery or medical therapy. We analyze the impact of timing of intervention from the onset of symptoms to TEVAR, and its relation to complications. METHODS: Between 2005 and 2012, we performed 132 TEVARs for acute and subacute (<6 weeks) type B dissection; 186 other @entity1 were managed with medical therapy only. @entity1 were followed in a clinical registry. Standard univariate and survival methods were used. RESULTS: Of the 132 TEVARs for type B dissection, 70 were performed within 48 hours of presentation (Acute-Early); 44 between 48 hours and 14 days from presentation (Acute-Delayed); and 18 between 14 days and 6 weeks of presentation (Subacute). Demographic characteristics were similar among groups. Severe complications were more common in the Early-Acute and Delayed-Acute @entity1 than in the Subacute @entity1 (P  =  .04) Retrograde type A dissection tended to be more common in the Acute-Early group. Overall survival was similar among groups. CONCLUSIONS: Delayed intervention appears to lower the risk of complications of TEVAR for @entity1580 in @entity1 who are stable enough to wait. Among @entity1 initially managed medically, new TEVAR indications were not uncommon, and such @entity1 must be followed closely.

Impact of timing on major complications after thoracic endovascular aortic repair for acute XXXX .

@entity1 :: ('9606', 'Species') :: ['patients', 'Patients'] @entity1580 :: ('MESH:C562834', 'Disease') :: ['aortic dissection']
@entity1580 :: (MESH:C562834,Disease) :: ['type B aortic dissection']
