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European Journal of Echocardiography 2006 7(4):293-297; doi:10.1016/j.euje.2005.06.010
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Copyright © 2005, The European Society of Cardiology

What is a "normal" right ventricle?

Sylva Kovalova*, Josef Necas and Jaroslav Vespalec

Centre of Cardiovascular Surgery and Transplantation, Pekarska 53, 656 91 Brno, Czech Republic

Received 5 April 2005; received in revised form 6 June 2005; accepted after revision 15 June 2005.

* Corresponding author. Tel.: +420 5431 82530; fax: +420 5432 11218. sylva.kovalova{at}cktch.cz


  Abstract

Aims The aim of this project was to define normal values of right ventricular (RV) volumes and ejection fraction (EF) in healthy population using 2D echocardiography.

Methods and results The "patient" group comprised 91 healthy volunteers aged 17–62 years. RV volumetry was based on ellipsoidal shell model method. Left ventricular (LV) volumes were assessed by Teichholz formula. All volumes were indexed per m2 of BSA and the rate distribution of measured and calculated values were evaluated. The normal range of individual parameters was expressed as mean value±2 standard deviations ({delta}). A pair test was used to compare corresponding results of the RV and LV measurements. The regression analysis was used to test the relationship between LV and RV volumes and age. Indexed enddiastolic and endsystolic RV volumes were 79.1±29.9ml and 32.6±19.7ml, respectively, EF being 50±9.7% in men and 58±13.6% in women. No correlation with patient's age was observed.

Conclusion Enddiastolic and endsystolic volumes of RV were significantly higher than those of LV. EF of RV was lower as compare to LV. Right ventricular EF in men was lower than that in women. There was no correlation between EF and patient's age.

Keywords: Right ventricular volumetry; Right ventricular ejection fraction; 2D Echocardiography; Ellipsoidal shell model; Normal values


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