What question did this study set out to answer?

This research aims to evaluate the effectiveness of range-gated Doppler echocardiography in detecting and estimating the degree of mitral regurgitation compared to ventriculography.

January 1, 1980CirculationOpen Access

Detection and estimation of the degree of mitral regurgitation by range-gated pulsed doppler echocardiography.

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Why the study?

Does range-gated pulsed Doppler echocardiography accurately detect and estimate the degree of mitral regurgitation compared to left ventriculography?

Population

47 patients with an adequate Doppler study

Comparison

Range-gated pulsed Doppler echocardiography vs Left ventriculography

Design

Cross-sectional

Authors

AAAli AbbasiShahroud University of Medical Sciences MAMarty AllenUniversity of Louisville DDDominic DeCristofaroCalifornia State University, Long Beach

Discussion

Member takes

Implication

Supports Doppler echocardiography for non-invasive mitral regurgitation assessment; leaves open prospective validation before clinical adoption.

Key Points

This research aims to evaluate the effectiveness of range-gated Doppler echocardiography in detecting and estimating the degree of mitral regurgitation compared to ventriculography.
Assessed 47 patients with Doppler echocardiography and left ventriculography.
Specificity and sensitivity of Doppler for detecting mitral regurgitation were measured.
Estimated degrees of mitral regurgitation were compared between Doppler and ventriculography.
Doppler showed 96% specificity for no mitral regurgitation according to ventriculography.
Doppler detected mitral regurgitation in 21 out of 23 cases verified by ventriculography, yielding 92% sensitivity.
Correlation between Doppler estimates of regurgitation degree and ventriculography was high (r = 0.88, p < 0.01).

Structured PICO

Does range-gated pulsed Doppler echocardiography accurately detect and estimate the degree of mitral regurgitation compared to left ventriculography?

Population

47 patients with an adequate Doppler study (24 without mitral regurgitation, 23 with mitral regurgitation documented by ventriculography)

Intervention

Range-gated pulsed Doppler echocardiography

Comparator

Left ventriculography

Outcome

Sensitivity and specificity of detection of mitral regurgitation, and estimation of the degree of mitral regurgitationsurrogate

Range-gated pulsed Doppler echocardiography is a highly sensitive and specific non-invasive method for detecting and estimating the severity of mitral regurgitation compared to the invasive standard of left ventriculography.

Cite This Study

Abbasi et al. (1980) studied this question.

synapsesocial.com/papers/69f7e2ea6d1e8212df5a2c0a https://doi.org/10.1161/01.cir.61.1.143

Topics

Mitral valve intervention Echocardiography

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Implication

Supports Doppler echocardiography for non-invasive mitral regurgitation assessment; leaves open prospective validation before clinical adoption.