Accuracy of Doppler echocardiographic estimates of pulmonary artery pressures in a canine model of pulmonary hypertension

To compare noninvasive estimates of pulmonary artery pressure (PAP) obtained via echocardiography (ECHO) to invasive measurements of PAP obtained during right heart catheterization (RHC) across a range of PAP. To examine the accuracy of estimating right atrial pressure via ECHO (RAPECHO) compared to...

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Bibliographic Details
Published in:Journal of veterinary cardiology 2015-03, Vol.17 (1), p.13-24
Main Authors: Soydan, Lydia C., Kellihan, Heidi B., Bates, Melissa L., Stepien, Rebecca L., Consigny, Daniel W., Bellofiore, Alessandro, Francois, Christopher J., Chesler, Naomi C.
Format: Article
Language:English
Subjects:
Animals
Blood Pressure Determination
Cardiac Catheterization - veterinary
Dog
Dog Diseases - pathology
Dogs
Echocardiography, Doppler - standards
Echocardiography, Doppler - veterinary
Female
Hypertension, Pulmonary - diagnostic imaging
Hypertension, Pulmonary - pathology
Hypertension, Pulmonary - veterinary
Pulmonary Artery - pathology
Pulmonic regurgitation
Radiography
Right atrial pressure
Right heart catheterization
Tricuspid regurgitation
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Summary:To compare noninvasive estimates of pulmonary artery pressure (PAP) obtained via echocardiography (ECHO) to invasive measurements of PAP obtained during right heart catheterization (RHC) across a range of PAP. To examine the accuracy of estimating right atrial pressure via ECHO (RAPECHO) compared to RAP measured by RHC (RAPRHC), and determine if adding RAPECHO improves the accuracy of noninvasive PAP estimations. 14 healthy female beagle dogs. Comparison of ECHO and RHC measures of PAP, both at normal PAP and increased PAP generated by microbead embolization. Noninvasive estimates of PAP were moderately but significantly correlated (r of 0.68–0.78; p 
ISSN:1760-2734
1875-0834
DOI:10.1016/j.jvc.2014.10.004