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Abstract Aim Patients with rheumatoid arthritis (RA) have an increased risk of cardiac dysfunction and heart failure (HF) due to a pro-inflammatory state. Detecting cardiac dysfunction in RA is challenging as these patients often present preserved ejection fraction (EF) but may have subclinical ventricular dysfunction. Echocardiographic strain analysis is a promising tool for early detection of subclinical left ventricular systolic dysfunction (LVSD). This study assesses the prognostic role of strain analysis in RA. Methods and results Prospective study of 277 RA patients without known heart disease and preserved EF, categorized by left ventricular global longitudinal strain (GLS): normal GLS (≤ − 18%) vs. subclinical LVSD (> − 18%). Primary outcome was a composite of myocardial infarction, HF hospitalization, stroke, or cardiovascular death (MACE). Mean age was 57 years, 79% female. Although mean GLS was within normal (− 20 ± 3%), subclinical LVSD was observed in 24% of patients ( n = 67) and was positively correlated with older age (OR 1.54 per 10 years; p − 18.5% provided optimal sensitivity (78%) and specificity (74%) in identifying patients at elevated MACE risk (AUC = 0.78; p < 0.001). Conclusion Subclinical LVSD, identified by reduced GLS, was strongly associated with adverse cardiovascular events in RA. Whether these findings have therapeutic implications is worth exploring in clinical trials. Graphical abstract
Alexandre et al. (Mon,) studied this question.