What does this research mean for the field?

Echocardiography provides a feasible noninvasive method to evaluate left ventricular function, including the mean velocity of circumferential fiber shortening, and can effectively differentiate patients with clinical heart failure from normal subjects. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

July 1, 1972Circulation

Evaluation of Left Ventricular Function by Echocardiography

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Why the study?

Can echocardiography be used as a noninvasive method to evaluate left ventricular function and differentiate between normal subjects and patients with various cardiac conditions?

Structured PICO

Can echocardiography be used as a noninvasive method to evaluate left ventricular function and differentiate between normal subjects and patients with various cardiac conditions?

Population

Ambulatory patients divided into five groups: (I) normal; (II) mitral stenosis; (III) compensated volume overload; (IV) idiopathic hypertrophic subaortic stenosis; and (V) congestive heart failure.

Intervention

Echocardiographic measurement of ventricular minor-axis dimensions at end-systole and end-diastole to determine left ventricular volumes, ejection fraction (EF), and mean velocity of circumferential fiber shortening (VCF).

Comparator

Comparison between patient groups (normal vs. various cardiac conditions) and historical angiographic data.

Outcome

Left ventricular volumes, ejection fraction (EF), mean velocity of circumferential fiber shortening (VCF), and relative changes in echographic dimensions with systole (%ΔS).surrogate

Echocardiography is a feasible and effective noninvasive method for evaluating left ventricular pump function and muscle performance in ambulatory patients.

Discussion

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Implication

Echocardiography may noninvasively distinguish heart failure from normal LV function; leaves open prospective validation against angiography before broader adoption.

Cite This Study

Fortuin et al. (1972) studied this question.

synapsesocial.com/papers/6a19b719196cd56b09ea9c98 https://doi.org/10.1161/01.cir.46.1.26

Topics

Heart failure HFrEF treatment Echocardiography Hypertrophic cardiomyopathy

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Implication

Echocardiography may noninvasively distinguish heart failure from normal LV function; leaves open prospective validation against angiography before broader adoption.

Evaluation of Left Ventricular Function by Echocardiography

Structured PICO

Discussion

Implication

Cite This Study

Topics

Evaluation of Left Ventricular Function by Echocardiography

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Topics

Also Consider