{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T18:37:39Z","timestamp":1778524659800,"version":"3.51.4"},"reference-count":24,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2018,3,30]],"date-time":"2018-03-30T00:00:00Z","timestamp":1522368000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81701699"],"award-info":[{"award-number":["81701699"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81571686"],"award-info":[{"award-number":["81571686"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Ultrasound Medicine"],"published-print":{"date-parts":[[2018,11]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>The tissue motion of annular displacement provides an accurate and rapid assessment of left ventricular (LV) systolic function. However, it has rarely been used in patients with chronic constrictive pericarditis and restrictive cardiomyopathy. This study aimed to assess the differences in LV systolic function in patients with constrictive pericarditis and restrictive cardiomyopathy using tissue motion of annular displacement derived from speckle\u2010tracking echocardiography.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Twenty\u2010four patients with constrictive pericarditis, 24 with restrictive cardiomyopathy, and 25 healthy volunteers (controls) were enrolled. The septal and lateral mitral annular longitudinal displacements, displacement at the midpoint, and normalized midpoint displacement of the mitral ring were calculated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Mitral annular tracking and quantification of the tissue motion of annular displacement were achieved within 10 seconds. In patients with constrictive pericarditis, the lateral mitral annular longitudinal displacement, displacement at the midpoint, and midpoint displacement of the mitral ring were decreased, whereas the septal mitral annular longitudinal displacement was preserved compared to controls, indicating that the reduction of systolic function in constrictive pericarditis was caused by pericardial adhesion and calcium. In patients with restrictive cardiomyopathy, tissue motion of annular displacement was more reduced compared to patients with constrictive pericarditis and controls. The correlation between the septal mitral annular longitudinal displacement and left ventricular ejection fraction was 0.67 (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001). A cutoff value of 8.45\u2009mm for the septal mitral annular longitudinal displacement could effectively differentiate constrictive pericarditis from restrictive cardiomyopathy with 95.2% sensitivity and 91.7% specificity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The tissue motion of annular displacement was decreased in patients with constrictive pericarditis, which indicated early impairment of longitudinal function in constrictive pericarditis; adhesion and calcium in the pericardium might account for the reduction. The septal mitral annular longitudinal displacement provides a fast and effective method for the assessment of LV systolic function in patients with constrictive pericarditis and restrictive cardiomyopathy.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jum.14625","type":"journal-article","created":{"date-parts":[[2018,3,31]],"date-time":"2018-03-31T05:52:08Z","timestamp":1522475528000},"page":"2637-2645","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Incremental Value of the Tissue Motion of Annular Displacement Derived From Speckle\u2010Tracking Echocardiography for Differentiating Chronic Constrictive Pericarditis From Restrictive Cardiomyopathy"],"prefix":"10.1002","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5775-4944","authenticated-orcid":false,"given":"Shuang","family":"Liu","sequence":"first","affiliation":[{"name":"Department of Cardiovascular Ultrasound First Hospital of China Medical 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China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Ultrasound First Hospital of China Medical University Shenyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Ultrasound Shengjing Hospital of China Medical University Shenyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhengyu","family":"Guan","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Ultrasound First Hospital of China Medical University Shenyang 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