• Ronald M Bilow, Kathirkamanathan Shanmuganathan, and John H Harris.
• Department of Diagnostic and Interventional Imaging, University of Texas Medical School at Houston, Houston, Texas.
• J Emerg Med. 2016 Aug 1; 51 (2): 114-9.

BackgroundTerminology and classifications are the vehicles by which pathologic conditions are identified and understood. It is critically important for the patient admitted with suspected blunt thoracic aortic injury that admitting physicians have a thorough knowledge of acute traumatic aortic tear and its natural history.ObjectivesThe objectives of this review were as follows: (1) to introduce a pathology-based terminology and classification of acute traumatic aortic injuries that unambiguously defines each, and (2) to emphasize the clinical relevance of acute traumatic tear to post-hospital admission deaths in blunt thoracoabdominally injured patients.MethodsThis is a literature review of 32 refereed articles pertaining to acute traumatic thoracic aortic injury published from 1957 to the present.ResultsThe terminology used to describe aortic injury is inconsistent. Several terms are often loosely interchanged: tear, laceration, transection, and rupture. Furthermore, classifications of aortic injuries have been proposed based on microscopic or gross pathologic or computed tomography scan results. While microscopically-based classifications have little or no clinical application, a classification based on gross pathology provides information useful for aortic injury prognosis and management.ConclusionReduction of post-hospital death caused by acute aortic tear requires knowledge and understanding of the pathology of acute traumatic aortic tear and its natural history. Such understanding of pathology of acute traumatic aortic tear and its natural history is enhanced by terminology that defines the aortic injury. Therefore, we present our proposed terminology and classification of acute traumatic injuries.Copyright © 2016 Elsevier Inc. All rights reserved.

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