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[Cardiac involvement in systemic lupus erythematosus. An echocardiographic evaluation]
M B Castier1, M E Menezes, E M Albuquerque
1Hospital Pedro Ernesto da Universidade do Estado do Rio de Janeiro.
Purpose:
To study, by a non-invasive method, patients with systemic lupus erythematosus (SLE), to evaluate possible cardiac involvement.
Methods:
A hundred-eight lupic patients, 60 of them during activity, were studied, independently of cardiovascular signs and symptoms, by M-mode and two-D echocardiography and Doppler. Among the patients in the acute phase, 19 had never used steroid therapy before.
Results:
Echocardiographic evaluation showed cardiac involvement in all patients who were in clinical activity. Seven had myocardial involvement with systolic impairment. In 35 patients, pericardial effusion was found, all in the acute phase. Regarding endocardial involvement, there were valve thickening in 54 patients in group I (acute phase), valve vegetations in eight and one with mitral valve prolapse. There were only six with valve thickening in group II (remission). Pulmonary hypertension was observed in 15 patients in the activity group and in two during remission.
Conclusion:
Echocardiogram has showed how frequent cardiac involvement is in SLE, especially during disease activity and being independent of previous steroid therapy. As it is a non-invasive method, it could be used in a routine protocol in the evaluation and follow-up of these patients.