Publication date: Available online 15 September 2016
Source:Autoimmunity Reviews
Author(s): Florencia Vivero, Cristina Gonzalez-Echavarri, Beatriz Ruiz, Irene Maderuelo, Guillermo Ruiz-Irastorza
ObjectivesWe aimed to study the frequency, severity and predictors of valvular heart disease (VHD) in our lupus cohort.Material and Methods211 patients were included. A transthoracic echocardiogram was used for this study. Significant valvular lesions were classified into two groups: valvular thickening and valvular dysfunction. Univariate logistic regression was performed in order to find associations with valvular thickening and dysfunction. Those variables with a p value ≤0.1 in the univariate analysis were subsequently included in multiple logistic regression models.ResultsSignificant valve lesions were found in 53 patients (25%). The independent predictors of valvular thickening were the age at the time of the echocardiogram (OR 1.05, 95% CI 1.02–1.7), lymphopenia (OR 3.6, 95%CI 1.4–9.5), thrombocytopenia (OR 2.65, 95%CI 1.24–5.72), and anti-Sm antibodies (OR 3.28, 95%CI 1.44–7.33). The independent predictors of valvular dysfunction were age at the time of the echocardiogram (OR 1.045, 95%CI 1.009–1.083), thrombocytopenia (OR 5, 95%CI 1.66–14.86), hypertension (OR 6.2, 95%CI 2.1–18.4) and aPL (OR 6.2, 95%CI 2.1–18.4). Regarding the latter, the independent relation with valvular dysfunction was only seen for the double positivity aCL/LA, (OR 13.2, 95%CI 3.8–45.2, p<0.0001).ConclusionsOur study confirms the high prevalence of significant VHD in SLE patients. Clinical variables related with persistent inflammatory activity were associated with VHD. The association between VHD and aPL positivity was confirmed. Double-positive aCL/LA patients were most likely to suffer from valvular dysfunction.
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