A Study in Patients With Complicated Type B Aortic Dissection Treated With the E-nya Thoracic Stent Graft

Inclusion Criteria: * Age between 18 and 85 years * Complicated acute, subacute or chronic type B aortic dissection with evidence of at least one of the following: * Malperfusion (visceral, renal, spinal cord and/or lower limb ischemia) * Three of the following risk factors in acute or subacute dissections * Young patient * Primary entry tear \> 10 mm * Early aortic expansion \> 5 mm within 6 months * Total aortic diameter \> 40 mm * False lumen diameter \> 20 mm * Partially thrombosed false lumen * Total diameter \> 50 mm in case of chronic dissections * Patient is hemodynamically stable (stable blood pressure and heart rate, no shock) * Planned proximal and distal landing zone of the E-nya Thoracic Stent Graft component(s) in the native aorta * Landing zone of the proximal edge of the fabric distal to the left carotid artery * Landing zone of the distal edge of the fabric proximal to the celiac trunk * Proximal landing zone diameter between 20 and 44 mm * Centerline distance from the distal edge of the left carotid artery to the start of the most proximal tear ≥ 20 mm * Thoracic aortic lesion confirmed by thin sliced (≤ 1 mm) CTA with optional three-dimensional reconstruction obtained within 3 months prior to the implant procedure * Patient is able and willing to undergo follow-up imaging and examinations prior to discharge from the hospital, at 30 days and 12 months, and annually thereafter until 5 years follow-up * Patient understands and …