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European Heart Journal 1994 15(8):1074-1084;
Copyright © 1994 by the European Society of Cardiology.
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© 1994 The European Society of Cardiology

Assessment of chronic tricuspid regurgitation by colour Doppler echocardiography: a comparison with angiography in the catheterization room

J. TUÑON, M. CORDOBA, M. REY, P. ALMEIDA, R. RABAGO, A. SANCHEZ-CASCOS+ and P. RABAGO

Department of Cardiology, Fundacion Jiménez Diaz Avda Reyes Católicos 2, 28040 Madrid, Spain

revised 16 March 1994; .

Correspondence: Dr J. TuÑon, Calle Joaquin Maria López 41, 28015 Madrid, Spain.

Abstract

Colour Doppler echocardiographic (CDE) assessment of tricuspid regurgitation (TR) has been limited by the lack of an accepted model against which it can be compared. Angiography is said to be inadequate because catheter placement across the tricuspid valve could induce artifactual TR.

Thirty-five consecutive patients with left-sided valvulopathy and recent heart failure were studied. Angiography was validated by CDE, which demonstrated that catheter placement across the tricuspid valve did not increase the size of the regurgitant jet in the first 30 cases. All the patients were studied with CDE immediately before performing the angiography in order to compare the findings of both techniques.

From all the CDE parameters measured among the angiographic groups, the jet area overlapped the least (p-0.024). The diameters of the right cardiac chambers were larger in angiographically severe cases (P=<0.003 to 0.041), and a scale of severity that combined jet area and right atrium area showed an excellent correlation with angiography (r=0.924; P<0.001). Furthermore, maximal instant systolic gradients between the right cavities, estimated by catheterization, were lower in severe cases (P=0.038). Assessment of these gradients by continuous Doppler can enhance recognition of severe TR.

The analysis of jet area, right atrium area and regurgitant gradient by CDE can provide excellent assessment of TR.

Key Words: Tricuspid regurgitation • colour Doppler • echocardiography • angiography


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