Blunt aortic injury: risk factors and impact of surgical approaches

Abstract

Purpose

This study reviews our 17-year experience of managing blunt traumatic aortic injury (BTAI).

Methods

We analyzed information collected retrospectively from a tertiary trauma center.

Results

Between October 1995 and June 2012, 88 patients (74 male and 14 female) with a mean age of 39.9 ± 17.9 years (range 15–79 years) with proven BTAI were enrolled in this study. Their GCS, ISS, and RTS scores were 12.9 ± 3.7, 29.2 ± 9.8, and 6.9 ± 1.4, respectively. Twenty-one (23.8 %) patients were managed non-operatively, 49 (55.7 %) with open surgical repair, and 18 (20.5 %) with endovascular repair. The in-hospital mortality rate was 17.1 % (15/81) and there were no deaths in the endovascular repair group. The mean follow-up period was 39.9 ± 44.2 months. The survivors of blunt aortic injury had lower ISS, RTS, TRISS, and serum creatinine level and lower rate of massive blood transfusion, shock, and intubation than the patients who died, despite higher rates of endovascular repair, hemoglobin, and GCS on presentation. The degree of aortic injury, different therapeutic options, GCS, shock presentation, and intubation on arrival all had significant impacts on outcome.

Conclusions

Shock, aortic injury severity, coexisting trauma severity, and different surgical approaches impact survival. Endovascular repair achieves a superior mid-term result and is a reasonable option for treating BTAI.

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