Abstract:
:Systemic lupus erythematosus (SLE) is a multi-organ inflammatory disorder mainly affecting women and is associated with high cardiovascular morbidity and mortality. We tested the utility of a comprehensive cardiovascular magnetic resonance approach to assess myocardial involvement and to determine its relation to disease activity in SLE patients. We studied 20 SLE patients (19 females, 35+/-10 years) and 13 healthy volunteers (nine females, 28+/-11 years). Classification followed the criteria of the American College of Rheumatology and assessment of SLE activity was based on the European Consensus Lupus Activity Measurement index. Cardiovascular magnetic resonance (CMR) was performed on a 1.5T scanner and included the following sequences: steady-state free precession, T2-weighted, early and late T1-weighted after gadolinium-DTPA injection. Ejection fraction was not significantly different between groups (controls: 63+/-6, inactive SLE: 67+/-7, active SLE 64+/-8; P=0.003 for all groups). In contrast, relative T2 ratio (myocardium to skeletal muscle) was significantly higher in active SLE than in the other groups (controls: 1.7+/-0.3, inactive: 1.8+/-0.2, active: 2.1+/-0.2; P=0.003). Similarly, early enhancement ratio was significantly higher in active SLE (controls: 2.4+/-1.4, inactive: 2.8+/-1.1, active: 4.5+/-2.0, P=0.39). Both relative T2 and early enhancement ratios significantly correlated with disease activity. Intramural foci of late enhancement were observed in three of eight patients (all with active SLE). Of the five patients with no late enhancement, only one had active disease. An imaging approach combining T2-weighted, early and late enhancement imaging is a useful tool to assess possible myocardial involvement in SLE. CMR parameters of global myocardial involvement correlate well with disease activity, but not with usual clinical signs as summarized in a cardiac score.
journal_name
Lupusjournal_title
Lupusauthors
Abdel-Aty H,Siegle N,Natusch A,Gromnica-Ihle E,Wassmuth R,Dietz R,Schulz-Menger Jdoi
10.1177/0961203308089401subject
Has Abstractpub_date
2008-06-01 00:00:00pages
561-7issue
6eissn
0961-2033issn
1477-0962pii
17/6/561journal_volume
17pub_type
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