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Assessment of right ventricular systolic function with dP/dt in healthy subjects: an observational study

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Author(s): Sait Demirkol | Murat Ünlü | Zekeriya Arslan | Turgay Çelik | Uğur Küçük | İbrahim Halil Kurt | Şevket Balta | Oben Baysan

Journal: Anadolu Kardiyoloji Dergisi
ISSN 1302-8723

Volume: 13;
Issue: 2;
Start page: 103;
Date: 2013;
Original page

Keywords: Right ventricular function | right ventricular dP/dt | Doppler echocardiography | healthy subjects

ABSTRACT
Objective: The objective of our study is to determine the mean values of right ventricular (RV) dP/dt and to compare it with other right ventricular function parameters by echocardiography.Methods: This observational study consisted of 112 healthy subjects who had trivial tricuspid regurgitation. Full echocardiographic examination was performed. RV systolic function was assessed by using myocardial performance index (RV MPI), tricuspid annular plane systolic excursion (TAPSE), myocardial acceleration during isovolumic contraction (RV IVA), RV fractional area change (RV FAC), tissue Doppler–derived tricuspid lateral annular systolic velocity (Tri S`) and RV dP/dt (dP/dt). Pearson correlation test was used in examining the correlation between parameters. Differences between correlations were compared with Fisher’s z transformation. Results: The mean of RV dP/dt (0.5-2) was 1016±421 mmHg/s (95% CI=891-1142) and the mean of RV dP/dt (1-2) was 1524±573 mmHg/s (95% CI=1354-1694). RV pulse Doppler MPI and RV tissue Doppler imaging MPI were negatively correlated with RV dP/dt (0.5-2) (r=-0.482 and r=-0.504, p
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