The International Journal of Cardiac Imaging

, Volume 8, Issue 3, pp 191–195 | Cite as

Non invasive estimation of mean right atrial pressure utilizing the 2D-Echo transverse diameter of the left hepatic vein

  • Lanzarini Luca
  • Previtali Mario
  • Bargiggia Giansiro
  • Ferrario Maurizio
  • Mussini Antonio
  • Montemartini Carlo
Article

Abstract

Aim of our study was to assess if the 2D-Echo transverse diameter of the left hepatic vein (LHV) obtained from the subcostal approach is correlated with invasive mean right atrial pressure (RAP). Thirty-two consecutive patients with acute myocardial infarction were studied by simultaneous 2D-Echo and right heart catheterization. LHV could be adequately imaged in 90% of patients. Mean RAP values at catheterization ranged from 0 to 15mmHg (mean 6±3.5 mmHg). A correlation was found between mean RAP and LHV diameter calculated after inspiration (r=0.81, SEE=1.54 mm, slope=0.71,p< 0.001) as well as after expiration (r=0.82, SEE=1.32mm, slope=0.62,p< 0.001) or during post-expiratory apnoea (r=0.85, SEE=1.3 mm, slope=0.71,p< 0.001). Moreover, percent increments of LHV diameter correlated well with percent changes of mean RAP during rapid infusion of 250–500 cc of saline in 4 patients (r=0.98,p< 0.001).

Thus, the 2D-Echo LHV diameter is a feasible measurement that seems to correlate well with invasive mean RAP over a wide range of mean RAP values in patients with myocardial infarction; the changes in LHV diameter correlate well with the percent increase in central venous pressure obtained with saline infusion. Underestimation of invasive RAP occurs when mean RAP value exceeds 12 mmHg and can be explained by limited venous compliance. However these preliminary results suggest that this method may represent a valid alternative to obtain a non invasive estimate of mean RAP with 2D-Echocardiography.

Key words

right atrial pressure hepatic vein two-dimensional echocardiography right heart function 

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Copyright information

© Kluwer Academic Publishers 1992

Authors and Affiliations

  • Lanzarini Luca
    • 1
  • Previtali Mario
    • 1
  • Bargiggia Giansiro
    • 1
  • Ferrario Maurizio
    • 1
  • Mussini Antonio
    • 1
  • Montemartini Carlo
    • 1
  1. 1.Division of Cardiology, IRCCS-Policlinico S. MatteoUniversity HospitalPaviaItaly

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