{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T18:36:42Z","timestamp":1790620602713,"version":"4.1.0"},"reference-count":30,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2014,11,9]],"date-time":"2014-11-09T00:00:00Z","timestamp":1415491200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["HHSN268201300025C"],"award-info":[{"award-number":["HHSN268201300025C"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["HHSN268201300026C"],"award-info":[{"award-number":["HHSN268201300026C"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["HHSN268201300027C"],"award-info":[{"award-number":["HHSN268201300027C"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["HHSN268201300028C"],"award-info":[{"award-number":["HHSN268201300028C"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["HHSN268200900041C"],"award-info":[{"award-number":["HHSN268200900041C"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["AG0005"],"award-info":[{"award-number":["AG0005"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100007880","name":"Johns Hopkins University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100007880","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Universidade Federal do Vale do Sao Francisco"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Echocardiography"],"published-print":{"date-parts":[[2015,8]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>Few large studies describe quality control procedures and reproducibility findings in cardiovascular ultrasound, particularly in novel techniques such as speckle tracking echocardiography (STE). We evaluate the echocardiography assessment performance in the Coronary Artery Risk Development in Young Adults (CARDIA) study Year 25 (Y25) examination (2010\u20132011) and report findings from a quality control and reproducibility program conducted to assess Field Center image acquisition and reading center (RC) accuracy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The CARDIA Y25 examination had 3475 echocardiograms performed in 4 US Field Centers and analyzed in a RC, assessing standard echocardiography (LA dimension, aortic root, LV mass, LV end\u2010diastolic volume [LVEDV], ejection fraction [LVEF]), and STE (two\u2010 and four\u2010chamber longitudinal, circumferential, and radial strains). Reproducibility was assessed using intraclass correlation coefficients (ICC), coefficients of variation (CV), and Bland\u2013Altman plots.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>For standard echocardiography reproducibility, LV mass and LVEDV consistently had CV above 10% and aortic root below 6%. Intra\u2010sonographer aortic root and LV mass had the most robust values of ICC in standard echocardiography. For STE, the number of properly tracking segments was above 80% in short\u2010axis and four\u2010chamber and 58% in two\u2010chamber views. Longitudinal strain parameters were the most robust and radial strain showed the highest variation. Comparing Field Centers with echocardiography RC STE readings, mean differences ranged from 0.4% to 4.1% and ICC from 0.37 to 0.66, with robust results for longitudinal strains.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Echocardiography image acquisition and reading processes in the CARDIA study were highly reproducible, including robust results for STE analysis. Consistent quality control may increase the reliability of echocardiography measurements in large cohort studies.<\/jats:p><\/jats:sec>","DOI":"10.1111\/echo.12832","type":"journal-article","created":{"date-parts":[[2014,11,10]],"date-time":"2014-11-10T04:41:11Z","timestamp":1415594471000},"page":"1233-1240","source":"Crossref","is-referenced-by-count":83,"title":["Quality Control and Reproducibility in M\u2010Mode, Two\u2010Dimensional, and Speckle Tracking Echocardiography Acquisition and Analysis: The CARDIA Study, Year 25 Examination Experience"],"prefix":"10.1111","volume":"32","author":[{"given":"Anderson C.","family":"Armstrong","sequence":"first","affiliation":[{"name":"Johns Hopkins University Baltimore Maryland"},{"name":"University of Sao Francisco Valley Petrolina Brazil"},{"name":"Bahiana School of Medicine and Public Health Salvador Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erin P.","family":"Ricketts","sequence":"additional","affiliation":[{"name":"Johns Hopkins University Baltimore Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher","family":"Cox","sequence":"additional","affiliation":[{"name":"Johns Hopkins University Baltimore Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Adler","sequence":"additional","affiliation":[{"name":"Johns Hopkins University Baltimore Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander","family":"Arynchyn","sequence":"additional","affiliation":[{"name":"University of Alabama at Birmingham Birmingham Alabama"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kiang","family":"Liu","sequence":"additional","affiliation":[{"name":"Northwestern University Chicago Illinois"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ellen","family":"Stengel","sequence":"additional","affiliation":[{"name":"Johns Hopkins University Baltimore Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephen","family":"Sidney","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Division of Research Oakland California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cora E.","family":"Lewis","sequence":"additional","affiliation":[{"name":"University of Alabama at Birmingham Birmingham Alabama"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pamela J.","family":"Schreiner","sequence":"additional","affiliation":[{"name":"University of Minnesota Minneapolis Minnesota"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James M.","family":"Shikany","sequence":"additional","affiliation":[{"name":"University of Alabama at Birmingham Birmingham Alabama"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kimberly","family":"Keck","sequence":"additional","affiliation":[{"name":"Johns Hopkins University Baltimore Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jamie","family":"Merlo","sequence":"additional","affiliation":[{"name":"Johns Hopkins University Baltimore Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel S.","family":"Gidding","sequence":"additional","affiliation":[{"name":"Nemours Cardiac Center Wilmington Delaware"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jo\u00e3o A. C.","family":"Lima","sequence":"additional","affiliation":[{"name":"Johns Hopkins University Baltimore Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,11,9]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1089\/jpm.2008.9690"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/sim.4780070103"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.echo.2010.11.006"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(07)61602-X"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.d6783"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.12122447"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/0895-4356(88)90080-7"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.92.4.785"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.92.3.380"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2004.03625.x"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.echo.2008.11.023"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/echo.12303"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcmg.2012.06.003"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(02)01973-3"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0894-7317(14)80105-3"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1186\/1476-7120-4-13"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2472070691"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCOUTCOMES.112.965012"},{"key":"e_1_2_6_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/echo.12331"},{"key":"e_1_2_6_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-8703(88)90491-7"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.67.2.348"},{"key":"e_1_2_6_23_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.67.3.579"},{"key":"e_1_2_6_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(83)80278-2"},{"key":"e_1_2_6_25_1","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.188.1.8511281"},{"key":"e_1_2_6_26_1","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2332031676"},{"key":"e_1_2_6_27_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.echo.2010.02.015"},{"key":"e_1_2_6_28_1","article-title":"The influence of the region of interest width on two\u2010dimensional speckle tracking\u2010based measurements of strain and strain rate","author":"Spriestersbach H","year":"2014","journal-title":"Echocardiography"},{"key":"e_1_2_6_29_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.echo.2010.08.010"},{"key":"e_1_2_6_30_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8175.2011.01517.x"},{"key":"e_1_2_6_31_1","doi-asserted-by":"publisher","DOI":"10.1093\/ejechocard\/jep194"}],"container-title":["Echocardiography"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fecho.12832","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/echo.12832","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,24]],"date-time":"2023-09-24T15:21:16Z","timestamp":1695568876000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/echo.12832"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,11,9]]},"references-count":30,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2015,8]]}},"alternative-id":["10.1111\/echo.12832"],"URL":"https:\/\/doi.org\/10.1111\/echo.12832","archive":["Portico"],"relation":{},"ISSN":["0742-2822","1540-8175"],"issn-type":[{"value":"0742-2822","type":"print"},{"value":"1540-8175","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,11,9]]}}}