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The Correlation between Echocardiographic Findings and QT Interval in Cirrhotic Patients

AUTHORS

Alireza Moaref 1 , * , Mahmood Zamirian 1 , Maryam Yazdani 1 , Oveis Salehi 1 , Mehrab Sayadi 1 , Kamran Aghasadeghi 1

AUTHORS INFORMATION

1 Cardiovascular Research Center, Shiraz University of Medical Sciences, Shiraz, Iran

How to Cite: Moaref A , Zamirian M, Yazdani M , Salehi O , Sayadi M, et al. The Correlation between Echocardiographic Findings and QT Interval in Cirrhotic Patients, Int Cardio Res J. 2017 ; 8(2):e12027.

ARTICLE INFORMATION

International Cardiovascular Research Journal: 8 (2); e12027
Published Online: June 30, 2014
Article Type: Research Article
Received: April 29, 2017
Accepted: January 11, 2014

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Abstract

Background:: Although many electrocardiographic abnormalities have been reported previously, prolonged QTC interval represented as the most important ECG finding in patients with liver cirrhosis. Echocardiography can detect structural cardiac abnormalities in cirrhotic patients.

Objectives:: The present study aimed to determine the correlation between QTC prolongation and echocardiographic findings in end stage liver cirrhosis.

Methods:: The present study was conducted on 100 patients selected through convenient sampling. We recruited 80 cirrhotic patients with CHILD score > B or MELD score > 15 from the transplantation ward of Nemazee educational hospital. A complete echocardiographic study, including chamber quantification, a complete flow Doppler, and tissue Doppler analysis, was performed for each patient using a GE vivid 3 system equipped with Tissue Doppler Imaging (TDI). Then, twelve-lead ECG was carried out and QTc interval was calculated in all patients. The data were analyzed using the SPSS statistical software (v. 13) and Pearson’s correlation coefficient. P value < 0.05 was considered statistically significant.

Results:: The patients’ age ranged from 20 to 60 years old and 62.5% of them were male. According to the results, the only parameter which was significantly associated with prolonged QTc interval was Left Ventricular End Diastolic Dimension (LVEDD). Additionally, a linear direct relationship was found between corrected QT interval and LVEDD (r = 0.41, P < 0.001).

Conclusions:: The current study showed a positive correlation between QTC prolongation as an electerocardiographic finding and LVEDD in echocardiography of the cirrhotic patients. This may indicate a direct relationship between the electrophysiological problems and the severity of volume overload in cirrhotic patients.

Keywords

Cirrhosis,Electrocardiography,Echocardiography,Long QT

© 0, Shiraz University of Medical Sciences.

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