What question did this study set out to answer?

To assess the diagnostic accuracy and severity grading of mitral regurgitation using color Doppler echocardiography across multiple orthogonal planes compared with angiography.

January 1, 1987CirculationOpen Access

Color Doppler assessment of mitral regurgitation with orthogonal planes.

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Why the study?

Does color Doppler echocardiography accurately detect and estimate the severity of mitral regurgitation compared to angiography?

Key Points

To assess the diagnostic accuracy and severity grading of mitral regurgitation using color Doppler echocardiography across multiple orthogonal planes compared with angiography.
Evaluated N=147 patients who underwent both color Doppler echocardiography and cardiac angiography for mitral regurgitation.
Measured mitral regurgitant jet signals across three two-dimensional planes: parasternal long axis, parasternal short axis, and apical four-chamber view.
Calculated the ratio of regurgitant jet area to left atrial area (RJA/LAA) and compared values against angiographic grading and regurgitant fractions.
Color Doppler achieved 100% sensitivity and 100% specificity, identifying all 82 patients with regurgitation and correctly confirming absence in 65 patients.
Maximum RJA/LAA was under 20% in 34 of 36 grade I patients, between 20% and 40% in 17 of 18 grade II patients, and over 40% in 26 of 28 severe cases.
Maximum RJA/LAA demonstrated a significant positive correlation with angiographic regurgitant fraction (r = .78) in 21 patients in sinus rhythm without aortic regurgitation.

Structured PICO

Does color Doppler echocardiography accurately detect and estimate the severity of mitral regurgitation compared to angiography?

Population

147 patients with adequate color Doppler and angiographic studies for mitral regurgitation (65 with no MR, 82 with MR).

Intervention

Color Doppler echocardiography using three two-dimensional planes (parasternal long and short axis, apical four-chamber view) to analyze mitral regurgitant jet signals.

Comparator

Angiography (angiographic grade and regurgitant fraction).

Outcome

Sensitivity and specificity for detection of mitral regurgitation, and correlation of regurgitant jet area to left atrial area ratio (RJA/LAA) with angiographic severity.surrogate

Color Doppler echocardiography using orthogonal planes is highly sensitive and specific for detecting mitral regurgitation and accurately estimates its severity compared to angiography.

Discussion

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Implication

Supports noninvasive mitral regurgitation assessment with color Doppler; leaves open prospective validation against modern reference standards.

Cite This Study

Helmcke et al. (1987) studied this question.

synapsesocial.com/papers/69d97607a1d151c65f684341 https://doi.org/10.1161/01.cir.75.1.175

Topics

Mitral valve intervention Echocardiography

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Implication

Supports noninvasive mitral regurgitation assessment with color Doppler; leaves open prospective validation against modern reference standards.

Color Doppler assessment of mitral regurgitation with orthogonal planes.

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Topics

Color Doppler assessment of mitral regurgitation with orthogonal planes.

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Topics

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