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MODERN RHEUMATOLOGY Vol.14 No.2
>MR14-2
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| Cardiac involvement in patients with systemic lupus erythematosus and correlation of valvular lesions with anti-Ro/SS-A and anti-La/SS-B antibody levels |
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| Amira A. Shahin1, 5 , Hesham A. Shahin2, Magdy A. Hamid3 and Mona A. Amin4 |
(1) Department of Rheumatology and Rehabilitation, Faculty of Medicine, Cairo University, Cairo, Egypt
(2) Department of Clinical Pathology, Faculty of Medicine, Cairo University, Cairo, Egypt
(3) Department of Cardiology, Faculty of Medicine, Cairo University, Cairo, Egypt
(4) Department of Internal Medicine, Faculty of Medicine, Cairo University, Cairo, Egypt
(5) Present address: 453 Al-Ahram Street, Giza, Egypt |
Received: 22 October 2003 Accepted: 09 February 2004 |
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Abstract |
| The aim of this study was to evaluate the incidence of morphologic and functional cardiac abnormalities in patients with systemic lupus erythematosus (SLE) and to correlate the findings with levels of anti-Ro/SS-A, anti-La/SS-B, and anti-cardiolipin antibody (aCL). Sixty-two patients with SLE were enrolled in this study. All patients underwent complete history taking, clinical assessment, and standard two-dimensional and Doppler echocardiography. Anti-Ro/SS-A, anti-La/SS-B, and aCL levels were measured using a standardized ELISA test. The patients were subdivided into two subgroups based on the presence or absence of valvular involvement. The two subgroups were then compared. Valvular involvement was present in 19 patients (30.6%), pericardial effusion in 12 patients (19.4%), impaired left ventricular relaxation abnormalities in 2 patients (3.2%), and pulmonary hypertension in 3 patients (4.8%). More patients in the valvular involvement group had positive anti-Ro/SS-A antibodies than in the valvular noninvolvement group (7/19 vs. 4/43). The difference was significant, with P 0.01. Serum levels of anti-Ro/SS-A levels were significantly higher in the valvular involvement group (33.7 ± 36.0 vs. 13.7 ± 25.1; P 0.01), as were the serum anti-La/SS-B levels (21.9 ± 23.5 vs. 10.7 ± 17.8; P 0.05). The results suggest a causative correlation between anti-Ro/SS-A and anti-La/SS-B antibodies and the pathogenesis of the valvular lesions in SLE patients. |
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| Key words |
| Systemic lupus erythematosus (SLE) - Valvular involvement - Pulmonary hypertension - Anti-Ro/SS-A antibodies - Anti-La/SS-B antibodies - Anti-cardiolipin antibodies (aCL) - Echocardiography |
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