Correlation of Right Ventricular dP/dt with Functional Capacity and RV Function in Patients with Mitral Stenosis

Anita Sadeghpour; H  Harati; M  Kiavar; M  Esmaeizadeh; M  Maleki; F  Noohi; Z  Ojaghi; N  Samiea; A  Mohebbi; H  Bakhshandeh

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The Official Annually Journal of Cardiovascular Research Center, Shiraz University of Medical Sciences

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Correlation of Right Ventricular dP/dt with Functional Capacity and RV Function in Patients with Mitral Stenosis

Author(s):

Anita Sadeghpour^1,*,

H Harati¹,

M Kiavar¹,

M Esmaeizadeh¹,

M Maleki¹,

F Noohi¹,

Z Ojaghi¹,

N Samiea¹,

A Mohebbi¹,

H Bakhshandeh¹

1Shahid Rajaie Cardiovascular Medical and research Center, Tehran, Iran

International Cardiovascular Research Journal:Vol. 1, issue 4; e69664

Published online:Dec 31, 2007

Article type:Research Article

Received:Apr 24, 2018

Accepted:Dec 31, 2007

How to Cite:Sadeghpour A, Harati H, Kiavar M, Esmaeizadeh M, Maleki M, et al. Correlation of Right Ventricular dP/dt with Functional Capacity and RV Function in Patients with Mitral Stenosis. Int Cardiovasc Res J. 2007;1(4):e69664. doi:

Abstract

Background: Evaluation of right ventricular (RV) contractility and systolic function in patients with right sided
heart disease is an essential component of clinical management. The aim of this study was to assess RV systolic
function by qualitative and quantitative methods and compare it to rate of ventricular pressure change during the
isovolumic contraction period (dP/dt) as RV contractility index in patients with rheumatic mitral stenosis.
Patients and Methods: In 56 consecutive patients with moderate to severe mitral stenosis, RV systolic function,
RV dP/dt and dP/dt/Pmax, were calculated and compared.
Results: There was significant correlation between RV dP/dt and RV function (P<0.001) and between RV dP/dt
and New York Heart Association (NYHA) functional capacity (P<.001). The mean of dP/dt was decreased with
increasing severity of RV dysfunction (mean dP/dt was 648±159 for normal RV function, 592± 126 for mild RV
dysfunction, 319±146 for moderate RV dysfunction and 166±150 for severe RV dysfunction) Severity of tricuspid
regurgitation and pulmonary hypertension had no significant effect on RV dP/dt and RV function.
RV dP/dt/Pmax had also significant relationship with RV function and functional capacity (P <0.001).
Conclusion: Measurements of dP/dt and dP/dt/Pmax, are practical methods for estimating RV contractility and
results have a good correlation with RV systolic function and functional capacity.

Keywords

Right ventricles

contractility

mitral stenosis

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Author(s):

Anita Sadeghpour:[PubMed][Scholar]
H Harati:[PubMed][Scholar]
M Kiavar:[PubMed][Scholar]
M Esmaeizadeh:[PubMed][Scholar]
M Maleki:[PubMed][Scholar]
F Noohi:[PubMed][Scholar]
Z Ojaghi:[PubMed][Scholar]
N Samiea:[PubMed][Scholar]
A Mohebbi:[PubMed][Scholar]
H Bakhshandeh:[PubMed][Scholar]

The Official Annually Journal of Cardiovascular Research Center, Shiraz University of Medical Sciences

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Correlation of Right Ventricular dP/dt with Functional Capacity and RV Function in Patients with Mitral Stenosis

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