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Pulsed Doppler Assessment of Tricuspid Regurgitation: Usefulness of Regurgitant Signal Patterns for Estimation of Severity

Servei de Cardiologia, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain

X. Borrás

Servei de Cardiologia, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain

J.M. Augé

Servei de Cardiologia, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain

G. Pons-Lladó

Servei de Cardiologia, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain

A study on the value of pulsed Doppler in the detection and quantitative assessment of tricuspid regurgitation (TR) has been conducted on 33 consecu tive adult patients with valvular heart disease. Only 1 patient had to be excluded owing to a technically inadequate Doppler examination. Data for comparison were obtained from a right heart catheterization performed within a twenty- four-hour interval from the Doppler study. Sensitivity and specificity in the detection of the lesion were 88% and 100%, respectively. A previously unde scribed pulsed Doppler method for the estimation of the degree of TR was tested, based on the consideration of two distinctive patterns of the regurgitant Doppler signal: type I: a protosystolic regurgitant signal with progressively fad ing intensity along systole; and type II: a homogeneously intense pansystolic signal. Correlation between these patterns and the angiographic degrees of TR showed that milder lesions correspond to the type I Doppler pattern, whereas significant regurgitations present a type II pattern, this allowing a clinically useful method of assessment of TR.

Angiology, Vol. 39, No. 9, 788-794 (1988)
DOI: 10.1177/000331978803900902


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