alexa Speckle-tracking Echocardiography is More Sensitive in Detecting Subclinical Myocardial Dysfunction in Patients with Rheumatoid Arthritis
ISSN: 2167-7921

Journal of Arthritis
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Research Article

Speckle-tracking Echocardiography is More Sensitive in Detecting Subclinical Myocardial Dysfunction in Patients with Rheumatoid Arthritis

Benacka O1, Benacka J2, Blazicek P3, Belansky M1, Payer J1, Killinger Z1 and Lietava J1,4*

1Department of Internal Medicine, Comenius University, Bratislava, Slovakia

2Internal Clinic, University of Trnava, Trnava, Slovakia

3Institute of Biomedicine, Bratislava, Slovakia

4Institute of Normal and Pathological Physiology, Slovak Academy of Science, Bratislava, Slovakia

*Corresponding Author:
Ján Lietava
MUDr, CSc, Department of Internal Medicine
Comenius University Bratislava
Mickiewiczova 13, SK-81369 Bratislava
Slovakia
Tel: +421 905 513 228
Fax: +421 2 57290 572
E-mail: [email protected]

Received date: September 28, 2016; Accepted date: November 09, 2016; Published date: November 15, 2016

Citation: Benacka O, Benacka J, Blazicek P, Belansky M, Payer J, et al. (2016) Speckle-tracking Echocardiography is More Sensitive in Detecting Subclinical Myocardial Dysfunction in Patients with Rheumatoid Arthritis. J Arthritis 5: 224. doi:10.4172/2167-7921.1000224

Copyright: © 2016 Benacka O, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



 

Abstract

Introduction: Patients with rheumatoid arthritis (RA) have shorter life expectancy and their risk of cardiovascular death is more than 50% higher than the rest of the population. Early myocardial dysfunction may be detectable more precisely and sooner using speckle tracking echocardiography. Method: Cross-sectional study enrolled 55 patients with RA (mean age 44.1 years) without known cardiovascular disease and 31 healthy controls, matched for age, sex, blood pressure, BMI and smoking habit. All subjects underwent a standard echocardiographic and Doppler examination (isovolumic contraction and relaxation times (IVCT and IVRT), mitral valve inflow curve (E/A), septal mitral annular motion (e'), and E/e' ratio) as well as the speckle tracking assessment of left ventricle strains and strain rates. Results: In standard echocardiographic examination RA patients exhibited higher indexed left ventricle mass (96.4 ± 20.9 g/m2 vs. 95.8 ± 21.9 g/m2; p=0.013), lower ejection fraction (64 ± 4% vs. 67 ± 4%; p=0.011) and prolonged IVCT (61.5 ± 9.3 ms vs. 53.7 ± 8.95 ms; p=0.001). Diastolic dysfunction was demonstrasted by prolonged IVRT (81.6 ± 9.6 ms vs. 74.6 ± 12.0 ms; p=0.007) as well as by higher E/e’ ratio (8.2 ± 1.8 vs. 7.2 ± 1.5; p=0.009). Speckle tracking method detected decreased global longitudinal epicardial strain (-19.5% vs. -21.5%; p=0.049). Global longitudinal epicardial strain (GLES) correlated with IVCT and IVRT, disease duration and with marker of myocardial damage NTproBNP. RA pts exhibited higher prevalence of markers of myocardial damage (defined as presence NT-proBNP ≥ 125 ng/l or IVRT ≥ 74 ms or IVCT ≥ 57 ms or GLES ≥ -20.0%) 2.2 ± 1.0 vs. 1.3 ± 1.0 (p=0.001), RR 1.97 (95% CI: 1.24–3.15; p=0.004) in comparison with controls. Conclusions: RA patients without known cardiovascular disease exhibited almost two times higher risk for detection of myocardial damage defined as impaired systolic or diastolic function or myocardial contraction deformity parameters or NT-pro-BNP as compared to matched controls. Speckle-tracking echocardiography significantly revealed incipient myocardial dysfunction, which correlates with clinical RA characteristics and other markers of cardiac damage.

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