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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Straube, Andreas Rominger, Axel Schmidt, Caroline Nikolaou, Konstantin Hacker, Marcus Linn, Jennifer Habs, Maximilian Dichgans, Martin Saam, Tobias Pfefferkorn, Thomas Gerdes, Lisa-Ann Cyran, Clemens Bartenstein, Peter Reiser, Maximilian |
| Description | Country affiliation: Germany Author Affiliation: Pfefferkorn T ( Klinikum Grosshadern, Department of Neurology, University of Munich, Marchioninistrasse 15, 81377 Munich, Germany. Thomas.Pfefferkorn@med.uni-muenchen.de) |
| Abstract | BACKGROUND AND PURPOSE: Vessel wall inflammation (VWI) may be a pathogenetic factor in cervical artery dissection (CAD). We used contrast-enhanced high-resolution MRI (hrMRI) and positron emission tomography CT (PET-CT) to systematically investigate VWI in spontaneous CAD. METHODS: In this monocentric, prospective, observational study, all consecutive patients with acute, MRI-confirmed, spontaneous CAD admitted to our center between August 2007 and August 2009 were included. VWI was defined as perivascular contrast enhancement in hrMRI and increased perivascular [18F]-fluorodesoxyglucose uptake in PET-CT. VWI was further differentiated between local (restricted to the site of dissection) and generalized (exceeding the site of dissection). RESULTS: A total of 37 patients were included. Multiple dissections were seen in 10 patients (27%). Twenty-five patients received both modalities as planned, 8 received only PET-CT, and 4 received only hrMRI. A subset of patients showed signs of a generalized VWI in hrMRI (4/29 patients, 14%) and PET-CT (8/33 patients, 24%). In patients who received both modalities, all with hrMRI signs of generalized VWI were PET-CT positive (3/3), whereas some PET-CT-positive patients were hrMRI-negative (4/7). If present, generalized VWI in hrMRI completely resolved within 6 months. The presence of >2 simultaneous dissections (seen in 2 patients) was significantly associated with generalized VWI in hrMRI (P=0.015) but marginally not in PET-CT (P=0.053). CONCLUSIONS: A subset of patients with spontaneous CAD showed signs of a generalized transient inflammatory arteriopathy in contrast-enhanced hrMRI and PET-CT. This subset of patients may be more prone to multiple dissections. |
| ISSN | 00392499 |
| e-ISSN | 15244628 |
| Journal | Stroke |
| Issue Number | 6 |
| Volume Number | 42 |
| Language | English |
| Publisher | Lippincott Williams & Wilkins (on behalf of the American Heart Association) |
| Publisher Date | 2011-06-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Arteries Pathology Inflammation Magnetic Resonance Imaging Positron-emission Tomography Tomography, X-ray Computed Vertebral Artery Dissection Fluorodeoxyglucose F18 Prospective Studies Discipline Cardiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cardiology and Cardiovascular Medicine Neuroscience Advanced and Specialized Nursing Neurology (clinical) |
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