Document Detail

Follow-up of adults with coarctation of the aorta: comparison of helical CT and MRI, and impact on assessing diameter changes.
MedLine Citation:
PMID:  15486379     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: To compare images of the aorta obtained with helical CT (HCT) scanning and MRI for the follow-up of adults with coarctation of the aorta (CoA). DESIGN: Longitudinal study. SETTING: Department of adult congenital heart disease in a tertiary university hospital. PATIENTS: A total of 37 adults (age range, 16 to 68 years; women, 13) with CoA (after surgery, 34 patients; native, 2 patients; after balloon-angioplasty, 1 patient) MEASUREMENTS AND RESULTS: All patients underwent both HCT and MRI of the thoracic aorta within a mean (+/- SD) time interval of 1.86 +/- 1.11 years. Aortic diameters measured at six intrathoracic levels showed a high correlation (r = 0.79 to 0.94). On average, slightly lower diameters were measured with MRI (1.2 mm). But there was a substantial variation between the two measurements with differences of up to 9 mm. All other pathomorphologic abnormalities were detected and classified similarly with both methods. CONCLUSIONS: HCT and MRI are similarly useful for the noninvasive evaluation of the thoracic aorta in patients with CoA. But there can be a substantial variation in two subsequent measurements without an overall substantial bias toward larger diameter in one of the two methods. In repetitive studies, changes of the diameters should be interpreted with care, especially when assessing the progression of aortic diameters.
Alfred Hager; Harald Kaemmerer; Andreas Leppert; Matthias Prokop; Sebastian Blücher; Heiko Stern; John Hess
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Chest     Volume:  126     ISSN:  0012-3692     ISO Abbreviation:  Chest     Publication Date:  2004 Oct 
Date Detail:
Created Date:  2004-10-15     Completed Date:  2004-12-30     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0231335     Medline TA:  Chest     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1169-76     Citation Subset:  AIM; IM    
Klinik für Kinderkardiologie und angeborene Herzfehler, Deutsches Herzzentrum München, Technische Universität München, Lazarettstrasse 36, D-80636 München, Germany.
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MeSH Terms
Aorta, Thoracic / pathology*
Aortic Coarctation / diagnosis*,  pathology,  radiography
Constriction, Pathologic
Magnetic Resonance Imaging
Middle Aged
Tomography, Spiral Computed*
Comment In:
Chest. 2005 Jun;127(6):2295   [PMID:  15947365 ]
Chest. 2004 Oct;126(4):1016-8   [PMID:  15486355 ]

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