To evaluate aortic remodeling of Fabulous thoracic aortic stent system in the treatment of acute and subacute Stanford type B aortic dissection (the changes of aortic diameter, cross-sectional area,and volume of true lumen, false lumen and total aorta in different aoritc levels, and false lumen thrombosis in different aoritc levels), and splanchnic artery perfusion.
Fabulous Thoracic Aortic Stent System is specially designed for aortic dissection based on PETTICOAT technique.
Study Type
OBSERVATIONAL
Enrollment
50
Endovascular treament in patients with aortic dissection with Fabulous Thoracic Aortic Stent System
Beijing Anzhen Hospital, Capital Medical University
Beijing, Beijing Municipality, China
Beijing Friendship Hospital, Capital Medical University
Beijing, China
Change of diameter
The changes of true lumen, false lumen and total aortic diameter before and after surgery in the level of pulmonary artery bifurcation/left atrial (L1), the distal end of covered stent (L2), superior mesenteric artery (L3) and abdominal aortic bifurcation (L4) were recorded.
Time frame: 3 months, 6 months,12 months after operation
Changes of cross-sectional area
The changes of true lumen, false lumen and total aortic cross-sectional area before and after surgery in the level of pulmonary artery bifurcation/left atrial (L1), the distal end of covered stent (L2), superior mesenteric artery (L3) and abdominal aortic bifurcation (L4) were recorded.
Time frame: 3 months, 6 months,12 months after operation
Volumetric change
The volumes of the true lumen and false lumen of the aorta before and after surgery were measured from the covered stent placement segment, the proximal end of the bare stent to the level of celiac trunk, from the level of celiac trunk to the level of low kidney, and from the level of low kidney to the abdominal aorta bifurcation.
Time frame: 3 months, 6 months,12 months after operation
Splanchnic arteries perfusion
The change rate of postoperative true lumen diameter of branch artery = (postoperative true lumen diameter - preoperative true lumen diameter)/preoperative true lumen diameter ×100%
Time frame: 3 months, 6 months,12 months after operation
Incidence of distal new entry
The number of visceral artery segment tears and infrarenal abdominal aorta segment tears were evaluated.
Time frame: 3 months, 6 months,12 months after operation
Tortuosity of the descending thoracic aorta
Xi Guo
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Tortuosity of the descending thoracic aorta = the length of left subclavian artery to descending aorta of coeliac trunk along the center lumen line/the outer curvature length of left subclavian artery to coeliac trunk
Time frame: 3 months, 6 months,12 months after operation
Immediate technical success
Immediate technical success was defined as the stent was successfully delivered to the intended site and released.
Time frame: Immediate during surgery
Incidence of type I and III endoleak
Time frame: Immediate during surgery,3 months, 6 months,12 months after operation
Major adverse events occurring within 30 days after surgery
Refers to all-cause mortality, myocardial infarction, ischemic stroke or respiratory failure occurring within 30 days after surgery. More specifically, myocardial infarction refers to a drastic reduction or complete interruption of the coronary blood supply due to coronary artery disease, resulting in severe and prolonged acute ischemia of the corresponding myocardium, leading to necrosis of cardiomyocytes. Ischemic stroke refers to the end result of necrosis of brain tissue caused by narrowing or occlusion of the arteries supplying blood to the brain or insufficient blood supply to the brain. Respiratory failure is defined as a state resulting in significantly prolonged intubation, tracheotomy, deterioration of lung function, or other fatal outcomes.
Time frame: within 30 days after operation
Incidence of severe adverse events
Refers to an event that occurs during the clinical trial that results in mortality or serious deterioration in patient health, including a fatal illness or injury, a permanent defect in body structure or body function, or an event that requires medical or surgical intervention to avoid one or more permanent defects in body structure or body function.
Time frame: 3 months, 6 months,12 months after operation