Document Detail

Lower extremity peripheral vein bypass graft wall thickness changes demonstrated at 1 and 6 months after surgery with ultra-high spatial resolution black blood inner volume three-dimensional fast spin echo magnetic resonance imaging.
MedLine Citation:
PMID:  18080213     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To demonstrate lower extremity peripheral vein bypass graft wall thickness changes over time in a patient using very high spatial resolution cardiac gated, black blood inner volume three-dimensional (3D) fast spin echo (FSE) magnetic resonance imaging (MRI). CASE REPORT: A 52-year-old diabetic man with a history of hyperlipidemia underwent uncomplicated bypass grafting for an asymptomatic 5.2 cm popliteal artery aneurysm using reversed great saphenous vein. A segment of the bypass graft was studied at 1 and 6 months after surgery with cardiac gated inner volume 3D-FSE imaging with non-interpolated 0.195 mm(3) voxel volumes (0.3125 x 0.3125 x 2 mm). T1- and T2-weighted images were acquired in 10 min per contrast weighting. Graft imaging at one month after implantation illustrates expansion of the outer wall of the graft that partially resolves 5 months later. CONCLUSION: In this patient, expansion of the lower extremity peripheral bypass graft wall can be characterized in clinical scan times with a 3D-FSE MRI protocol using highly selective inner volume excitation followed by non-selective refocusing pulses. The resulting 3D images can potentially be used to study the biology of the vessel wall.
Frank John Rybicki; Dimitrios Mitsouras; Christopher D Owens; Amanda G Whitmore; Hale Ersoy; Robert V Mulkern; Mark A Creager; Michael S Conte
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2007-12-14
Journal Detail:
Title:  The international journal of cardiovascular imaging     Volume:  24     ISSN:  1569-5794     ISO Abbreviation:  Int J Cardiovasc Imaging     Publication Date:  2008 Jun 
Date Detail:
Created Date:  2008-05-08     Completed Date:  2008-07-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100969716     Medline TA:  Int J Cardiovasc Imaging     Country:  United States    
Other Details:
Languages:  eng     Pagination:  529-33     Citation Subset:  IM    
Department of Radiology, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA.
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MeSH Terms
Aneurysm / pathology,  physiopathology,  surgery*
Imaging, Three-Dimensional*
Lower Extremity / blood supply*
Magnetic Resonance Angiography*
Middle Aged
Popliteal Artery / pathology,  physiopathology,  surgery*
Saphenous Vein / transplantation*
Time Factors
Treatment Outcome
Vascular Patency

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

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