Conclusions: Using a large national vascular-specific database, we report differences in presentation, pathologic changes, and outcomes in statin vs nonstatin users undergoing TEVAR. Statins significantly reduce postoperative mortality and cardiac and renal complications after TEVAR for aortic dissection. However, no difference in outcomes was seen between the two groups after TEVAR for aortic aneurysm. This study suggests adding statin for all patients presenting with thoracic aortic dissection.

tion. IVUS extends a measure of quality control that directs optimal balloon and stent sizing. Adjunctive IVUS use identifies suboptimal initial stent expansion and guides additional balloon angioplasty. Use of IVUS does not increase neurologic events. IVUS should be considered an important component of advanced endovascular procedures such as CAS.

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