Document Detail

A study of aortic dimension in type B aortic dissection.
MedLine Citation:
PMID:  18187457     Owner:  NLM     Status:  MEDLINE    
Difference between arch diameter and true lumen diameter in the descending aorta was studied in patients with type B aortic dissection. The diameters of the aortic arch (Proximal ) and mid-descending aorta (Distal ) were measured on computer tomography angiography (CTA) in 20 healthy adults. Forty-two patients with type B aortic dissection who underwent endovascular repair were divided into two groups: an acute group (23 patients) and a chronic group (19 patients). The diameters of the arch (Proximal ) and the true lumen of the mid-descending aorta (Distal ) were measured on digital subtraction angiography (DSA) and CTA. The taper ratio was defined as (Proximal -Distal )/(Proximal )x100%. In the control group, the taper ratio was 13.0+/-4.7% on CTA. In the acute patients group, the taper ratio was 23.6+/-11.3% on DSA and 21.9+/-12.1% on CTA. In the chronic patients group, the taper ratio was 31.5+/-13.6% on DSA and 30.1+/-11.4% on CTA. In both acute and chronic type B aortic dissection, the aorta tapers significantly from arch to true lumen in the descending aorta. Stent-graft with tapered design may be a viable treatment option for endovascular repair of type B aortic dissection.
Shang Dong Xu; Fang Jiong Huang; Jia Hui Du; Yu Li; Zhan Ming Fan; Jin Fei Yang; Xiao Ying Yu; Zhao Guang Zhang
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2008-01-10
Journal Detail:
Title:  Interactive cardiovascular and thoracic surgery     Volume:  7     ISSN:  1569-9285     ISO Abbreviation:  Interact Cardiovasc Thorac Surg     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-04-02     Completed Date:  2008-05-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101158399     Medline TA:  Interact Cardiovasc Thorac Surg     Country:  England    
Other Details:
Languages:  eng     Pagination:  244-8     Citation Subset:  IM    
Cardiac Surgery Division, Beijing Institute of Heart, Lung and Vascular Diseases, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China.
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MeSH Terms
Acute Disease
Aneurysm, Dissecting / pathology*,  radiography,  surgery
Angiography, Digital Subtraction
Aorta, Thoracic / pathology*,  radiography,  surgery
Aortic Aneurysm, Thoracic / pathology*,  radiography,  surgery
Aortography / methods
Blood Vessel Prosthesis
Blood Vessel Prosthesis Implantation / instrumentation
Chronic Disease
Middle Aged
Patient Selection
Pilot Projects
Prosthesis Design
Tomography, X-Ray Computed

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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