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C-2756 - The change of distal aortic branch malperfusion complicated by Stanford B aortic dissection

X. Han; Beijing/CN Type: Scientific Exhibit
Area of Interests: Interventional vascular, Cardiac, Cardiovascular system
Imaging Techniques: Digital radiography, Catheter arteriography, CT-Angiography
Procedures: Arterial access, Angioplasty, Catheters
Special Focus: Dissection
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Aims and objectives: Introduction: End-organ malperfusion due to the paravisceral aorta and lower extremities artery complicated by type B aortic dissection (TBAD) has been recognized as one of the most serious complications [1, 2]. Thoracic endovascular aortic repair (TEVAR) has become a popular modality to treat [...]

Methods and materials: Retrospective analysis to 38 patients from September 2015 to March 2016 in our department, who were diagnosed Stanford type B aortic dissection with visceral malperfusion, the information of clinic and image, as well as the following-up were collected. Based on the branch type of visceral malperfusi[...]

Results: In abdominal branches (total 190 branches), 124 branches (65.3%) expressed with Class I patterns, in which Class I-b presented with 1.1% (2/190), Class I-c presented with 5.3% (10/190); 21 branches (11.1%) expressed with Class II patterns, in which Class II-b-1 presented with 3.2% (6/190), Class II-[...]

Conclusion: It remains largely stable to the distal aortic branch perfusion patterns complicated by TBAD after TEVAR. Branches with high-risk malperfusion pattern complicated by dissection were rare and no branch needed to revascularization in the short term.

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References: 1.    Girdauskas E, Kuntze T, Borger MA, et al. Surgical risk of preoperative malperfusion in acute type A aortic dissection. J Thorac Cardiovasc Surg 2009; 138:1363-9. 2.    Geirsson A, Szeto WY, Pochettino A, et al. Significance of malperfusion syndromes prior to contempor[...]

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