Prevalence of subclinical systolic dysfunction in Takayasu's arteritis and its association with disease activity: a cross-sectional study
Figueiroa, Maria de Lourdes Castro de Oliveira; Costa, Maria Carolina Moura; Costa, Maria Clara Moura; Lobo, Paulo Rocha; Sanches, Leonardo Vinicius; Martins, Katia Maria Alves; Sousa, Anna Paula Mota Duque; Pedreira, Ana Luisa Souza; Santiago, Mittermayer Barreto.
Adv Rheumatol
; 63: 41, 2023. tab
Artículo
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LILACS-Express
| ID: biblio-1513559
Abstract Background Takayasu's arteritis (TA) is a vasculitis that affects the aorta and its branches and causes stenosis, occlusion, and aneurysms. Up to 60% of TA patients are associated with cardiac involvement which confers a poor prognosis. Global longitudinal strain (GLS) analysis is an echocardiographic technique that can detect the presence of subclinical systolic dysfunction. Hence, this study aimed to describe the prevalence of subclinical systolic dysfunction in patients with TA using the GLS method and to correlate this finding with disease activity using the ITAS-2010 (Indian Takayasu Activity Score). Methods Thirty patients over 18 years of age who met the American College of Rheumatology (ACR) 1990 criteria for TA were included. The sample was submitted for medical record review, clinical and echocardiographic evaluation, and application of ITAS-2010. The cutoff for systolic dysfunction was GLS > - 20%. Results Of the 30 patients analyzed, 25 (83.3%) were female, and the mean age was 42.6 years (± 13.2). The median time since diagnosis was 7.5 years [range, 3-16.6 years], and the type V angiographic classification was the most prevalent (56.7%). Regarding echocardiographic findings, the median ejection fraction (EF) was 66% [61-71%] and the GLS was - 19.5% [-21.3 to -15.8%]. Although half of the participants had reduced GLS, only two had reduced EF. Eleven patients (33.%) met the criteria for activity. An association was found between disease activity and reduced GLS in eight patients (P = 0.02) using the chi-square test. Conclusion GLS seems to be an instrument capable of the early detection of systolic dysfunction in TA. The association between GLS and disease activity in this study should be confirmed in a study with a larger sample size.
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