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  • Title: Total Endovascular Repair of Post-Trauma Ascending Aortic Pseudoaneurysm and Secondary Superior Vena Cava Syndrome.
    Author: Colombier S, Girod G, Niclauss L, Danzer D, Eeckhout E, Qanadli SD, Delay D.
    Journal: Ann Vasc Surg; 2019 Nov; 61():468.e13-468.e17. PubMed ID: 31376549.
    Abstract:
    BACKGROUND: Clavicular fracture or sternoclavicular luxation is observed in 10% of all polytrauma patients and is frequently associated with concomitant intrathoracic life-threatening injuries. Posterior sternoclavicular luxation is well known to induce underlying great vessels damage. The gold standard treatment usually is a combined orthopedic and cardiovascular surgical procedure associating vascular repair, clavicular open reduction, and internal fixation. METHODS: A 59-year-old wheelchair ridden, institutionalized woman, known for psychiatric disorder, severe scoliosis, malnutrition, and chronic obstructive pulmonary disease was admitted in our hospital for chronic chest pain 3 months after a stairway wheelchair downfall. A thoracic computed tomography (CT) scan revealed a voluminous ascending aortic pseudoaneurysm (63 × 58 mm, orifice 5 mm) consecutive to perforation following posterior sternoclavicular luxation. The patient refused all therapies and was lost to follow-up. Six months later, she was readmitted for a symptomatic superior vena cava syndrome. Thoracic CT scan revealed pseudoaneurysm growth with innominate vein thrombosis and superior vena cava subocclusion. Pseudoaneurysm orifice was stable. In the presence of symptoms with massive facial edema and inability to open her eyelids, the patient accepted an endovascular treatment. RESULTS: The procedure was performed under general anesthesia using both fluoroscopic and transesophageal echocardiographic guidance. Through a femoral arterial access, a 10-mm atrial septal defect occluder device was used to seal successfully the pseudoaneurysm orifice. The superior vena cava was then opened with a 26-mm nitinol high radial force stent through a femoral venous access. Postoperative course was uneventful. At 3-month follow-up, the patient remains symptom free and a CT scan confirmed pseudoaneurysm thrombosis and superior vena cava permeability. CONCLUSION: Post-traumatic sternoclavicular posterior luxation is a cause of great vessels and ascending aorta injuries. Minimally invasive endovascular approaches can be considered to treat vascular injuries and their consequences, especially in elderly patients and those at high risk for surgery.
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