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  • Title: Clinical aspects and present challenges of the seat belt aorta.
    Author: Gouveia E Melo R, Amorim P, Soares TR, Fernandes E Fernandes R, Ministro A, Garrido P, Fernandes E Fernandes J, Pedro LM.
    Journal: J Vasc Surg; 2020 Sep; 72(3):995-1004. PubMed ID: 32081481.
    Abstract:
    OBJECTIVE: Seat belt aorta is rare and difficult to manage. The lack of data and follow-up increases the complexity of treating such patients. We aimed to create a decision algorithm by reviewing our current experience and analyzing the presentation and management of our patients. METHODS: We performed a descriptive case series based on retrospective analysis of all consecutive patients admitted with the diagnosis of seat belt aorta from 2008 to 2018. Seat belt aorta was defined as any blunt abdominal aortic lesion resulting from a seat belt compression mechanism after a car accident. RESULTS: Nine consecutive patients were admitted with the diagnosis of seat belt aorta, all of whom developed lesions in the infrarenal aorta. Eight patients were assessed in the acute phase and one patient presented with late-onset symptoms. Associated injuries were present in all acute patients, and seat belt sign and small bowel injury were present in 88%. One patient presented with a small intimal tear and was treated conservatively. All other patients diagnosed with large intimal flaps (seven patients) and pseudoaneurysm (one patient) underwent open repair in five cases and endovascular repair in three cases. In-hospital mortality for the acute cases was 38%, with no mortality seen during follow-up. Two patients submitted to endovascular repair required reinterventions. CONCLUSIONS: Seat belt aorta is a deadly condition, frequently associated with blunt thoracoabdominal trauma with concomitant injuries; the presence of a seat belt sign or lower limb ischemia must lead to a high diagnostic suspicion. Management must take into account the other concomitant injuries. Follow-up is crucial as most patients are young; they may develop complications and subsequently require further intervention.
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