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We have read with interest the recent paper by Midtbø et al.1 The authors evaluated 119 patients with rheumatoid arthritis (RA), and found that patients with RA active disease (Simplified Disease Activity Index (SDAI) >3.3) compared with those in remission (SDAI<3.3) had lower left ventricular (LV) systolic myocardial function, assessed by stress-corrected mid-wall shortening (scMWS) and global longitudinal strain (GLS).
Data from Midtbø et al are in line with our previous work, in which we demonstrated that RA per se is a condition closely related to LV systolic dysfunction (LVSD) assessed by scMWS.2 Furthermore, similar to other pathophysiological models (systemic hypertension, diabetes mellitus and aortic stenosis), we showed that the LVSD in patients with RA is closely …