Background: Blunt traumatic aortic injury (BTAI) is of very rare occurrence in adolescents. The purpose of our study was to assess the clinical presentation and treatment outcomes of BTAI in this subset of patients.
Methods: We reviewed prospective data of 18 patients who were 20 years or younger with BTAI among 28,000 trauma patients from January 1993 to December 2011. Outcomes of interest were the trends on the type of repair (nonoperative [NOP], open repair [OR], or endovascular treatment [ET]) and the impact of concomitant injuries using the Injury Severity Score (ISS) on early morbidity and mortality.
Results: Thirteen (72%) patients with BTAI were male with a cohort median age of 16 ± 3 years. The mechanism of trauma was car accident in 12 patients, pedestrian struck by car in 5, and motorcycle crash in 1. The total ISS was 46.2 ± 15.3 being the highest score of the thoracic component (4.6 ± 0.6) followed by the head score (4 ± 1.2). Two (11%) patients were pronounced dead in the emergency department and other 2 succumbed within 24 hr from admission. Of those 14 (78%) patients who survived longer than 24 hr, the ISS was significantly lower compared with those pronounced dead earlier (37.8 ± 10.7 vs. 59.6 ± 11.6; P = 0.0009). Ten patients (71%) underwent OR, 3 (17%) ET, and other 2 (28%) patients were treated nonoperatively. The ISS was similar among all 3 treatment groups (OR: 33 ± 8 vs. ET: 53 ± 9 vs. NOP: 51 ± 6; P = nonsignificant). No paraplegia or renal failure was noted in either ET or OR group. In-hospital and overall mortality were 21% and 39%. Of those who survived hospitalization, 8 (73%) patients were discharged home and 3 (27%) to a rehabilitation center.
Conclusions: The incidence of BTAI is very low in adolescents. Mortality rate is considerable even in young patients and it is associated with high ISS and degree of aortic wall disruption. Young patients with BTAI who survive hospitalization have a lower ISS and are often discharged home rather than to a rehabilitation facility.
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