Abstract
The aim of our study was to investigate the role of tissue Doppler and Myocardial Performance Index (MPI) in evaluating cardiac involvement in patients with rheumatoid arthritis (RA) with no cardiac symptoms, to determine whether these measurements differ between healthy controls and RA patients, and whether they can be used to determine the risk of cardiovascular disease and predict prognosis. 50 RA patients fulfilling the 2010 American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) RA criteria and 50 healthy volunteering controls were included in the study. All patients and controls were assessed using electrocardiography (ECG), echocardiography, conventional Doppler echocardiography and tissue Doppler echocardiography. MPI values were calculated. In addition, RA patients were compared after being divided into two subgroups: seropositive and seronegative RA. Disease activity levels of the patients were determined based on Disease Activity Score in 28 Joints (DAS28). The control group and RA group were compared in terms of PR interval, left atrial diameter, E/A, E/e', and MPI values. Comparisons between the groups yielded statistically significant differences in left atrial diameter, E/A, E/e', and MPI values and no significant difference in PR intervals. These parameters were also compared between seropositive and seronegative patients. Left atrial diameter was significantly higher in seronegative patients than in seropositive patients. There was no significant difference in the other values. DAS28 scores had no correlation with cardiac parameters. Early detection of ventricular dysfunction in RA may be useful in clinical practice when predicting prognosis and optimizing treatment. The present study found that RA patients had impaired tissue Doppler measurements and MPI results compared to controls. MPI and tissue Doppler may be useful in early detection of ventricular dysfunction.
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