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  • Title: Five-Year Outcomes From the United States Pivotal Trial of Valiant Captivia Stent Graft for Blunt Aortic Injury.
    Author: Patel HJ, Azizzadeh A, Matsumoto AH, Velazquez OC, Rovin JD, Lombardi JV, Khoynezhad A, Dai Y, White RA.
    Journal: Ann Thorac Surg; 2020 Sep; 110(3):815-820. PubMed ID: 31991136.
    Abstract:
    BACKGROUND: The Clinical PeRformancE of the Valiant Thoracic Stent Graft with Capitvia Delivery System for the EndovaSCUlar treatment of Blunt Thoracic Aortic Injuries (RESCUE) study evaluating thoracic endovascular repair using the Valiant Captivia endograft for blunt thoracic aortic injury reported promising 30-day outcomes. We now describe 5 years of follow-up of this cohort. METHODS: Fifty patients (mean age 40.7 ± 17.4 years, 76% male, mean injury severity score 38 ± 14.4) were treated for blunt thoracic aortic injury (2010 to 2012) with this endograft. Seventy percent (n = 35) of blunt thoracic aortic injury extent was grade III or higher. Extent of arch repair required full (40%) or partial (18%) left subclavian artery coverage. At 5 years, clinical and imaging compliance was 90.3% (28 of 31) and 67.7% (21 of 31), respectively. RESULTS: Thirty-day mortality was 8%. Three additional patients died of non-device-related causes (respiratory failure, infection, metastatic cancer) through 5-year follow-up, yielding a Kaplan-Meier survival of 85.2% through 5 years. Neither stroke nor spinal cord ischemia was observed at 5 years. Two type II endoleaks seen at 30 days resolved spontaneously, and no additional endoleaks were described in the study cohort through 5 years. No secondary endovascular procedures or conversion to open surgery were reported through 5 years. Four subjects underwent left subclavian revascularization for symptomatic indications. Finally, complete exclusion of the traumatic injury was maintained with no incidences of stent graft kinking, fracture, loss of patency, or migration through 5 years in all patients. CONCLUSIONS: This multicenter clinical trial describes excellent 5-year outcomes and durable exclusion of blunt thoracic aortic injury using a novel stent graft system. Thoracic endovascular repair with this endograft appears to be a safe and effective treatment option for patients with blunt thoracic aortic injury.
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