JOURNAL ARTICLE
MULTICENTER STUDY
RESEARCH SUPPORT, N.I.H., EXTRAMURAL
RESEARCH SUPPORT, NON-U.S. GOV'T
Add like
Add dislike
Add to saved papers

Reproducibility of speckle-tracking-based strain measures of left ventricular function in a community-based study.

BACKGROUND: The reproducibility of echocardiographic measurements of myocardial strain, performed in a community-based setting, has not been reported previously.

METHODS: The reproducibility of left ventricular strain measurements was examined in two samples of 20 participants each from the Offspring Cohort of the Framingham Heart Study (mean age, 63 ± 9 years; 59% women). Two-dimensional speckle-tracking-based measurements of global peak left ventricular strain in systole were performed in the apical four-chamber, apical two-chamber, and midventricular parasternal short-axis views.

RESULTS: Interobserver intraclass correlation coefficients were ≥0.84 for all global strain measurements, with average coefficients of variation of ≤4% for global longitudinal and circumferential strain and <8% for global transverse and radial strain. For left ventricular strain measurements performed in each of the three views, intraobserver intraclass correlation coefficients were ≥0.91 among time points spanning a total 8-month period. The average coefficients of variation were <6% for global longitudinal and circumferential strain and <9% for global transverse and radial strain. Interobserver and intraobserver reproducibility findings were similar in analyses adjusting for frame rate.

CONCLUSIONS: Excellent reproducibility of global longitudinal and circumferential strain measurements and very good reproducibility of global transverse and radial strain measurements were observed. Taken together, these findings demonstrate the reproducibility of performing echocardiographic strain measurements in a large, epidemiologic community-based setting.

Full text links

We have located links that may give you full text access.
Can't access the paper?
Try logging in through your university/institutional subscription. For a smoother one-click institutional access experience, please use our mobile app.

For the best experience, use the Read mobile app

Mobile app image

Get seemless 1-tap access through your institution/university

For the best experience, use the Read mobile app

All material on this website is protected by copyright, Copyright © 1994-2024 by WebMD LLC.
This website also contains material copyrighted by 3rd parties.

By using this service, you agree to our terms of use and privacy policy.

Your Privacy Choices Toggle icon

You can now claim free CME credits for this literature searchClaim now

Get seemless 1-tap access through your institution/university

For the best experience, use the Read mobile app