{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,25]],"date-time":"2026-01-25T11:48:40Z","timestamp":1769341720638,"version":"3.49.0"},"reference-count":35,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2018,6,5]],"date-time":"2018-06-05T00:00:00Z","timestamp":1528156800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Echocardiography"],"published-print":{"date-parts":[[2018,9]]},"abstract":"<jats:sec><jats:title>Background and Aims<\/jats:title><jats:p>Few studies have shown the direct effect of familial hypercholesterolemia (<jats:styled-content style=\"fixed-case\">FH<\/jats:styled-content>) on myocardial systolic function. Studies focused on heterozygote <jats:styled-content style=\"fixed-case\">FH<\/jats:styled-content> patients but not homozygote ones, and they did not perform genetic analyses. We aimed to evaluate all types of patients with <jats:styled-content style=\"fixed-case\">FH<\/jats:styled-content> using the potentially more sensitive speckle tracking echocardiography (<jats:styled-content style=\"fixed-case\">STE<\/jats:styled-content>) technique to identify early left ventricular (<jats:styled-content style=\"fixed-case\">LV<\/jats:styled-content>) dysfunction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Genetic analyses of patients with <jats:styled-content style=\"fixed-case\">FH<\/jats:styled-content> were conducted for <jats:styled-content style=\"fixed-case\">LDL<\/jats:styled-content>\u2010receptor, <jats:styled-content style=\"fixed-case\">PCSK<\/jats:styled-content>9, and ApoB100. Nine homozygote, two compound heterozygote, and 82 heterozygote <jats:styled-content style=\"fixed-case\">FH<\/jats:styled-content> patients and 85 healthy subjects were prospectively studied. Longitudinal and circumferential strain measurements and conventional echocardiography findings were obtained.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">LV<\/jats:styled-content> ejection fractions were similar for all (homozygote, heterozygote, and control) groups. The <jats:styled-content style=\"fixed-case\">LV<\/jats:styled-content> average longitudinal strain (<jats:styled-content style=\"fixed-case\">aLS<\/jats:styled-content>) and average circumferential strain (<jats:styled-content style=\"fixed-case\">aCS<\/jats:styled-content>) levels were significantly reduced in the homozygote and heterozygote groups when compared with the controls (for <jats:styled-content style=\"fixed-case\">aLS<\/jats:styled-content>,<jats:italic> P<\/jats:italic>\u00a0=\u00a0.008 (&lt;.001); for <jats:styled-content style=\"fixed-case\">aCS<\/jats:styled-content>,<jats:italic> P<\/jats:italic>\u00a0=&lt;\u00a0.001). A significant inverse correlation was found between <jats:styled-content style=\"fixed-case\">LDL<\/jats:styled-content>\u2010C levels and <jats:styled-content style=\"fixed-case\">LS<\/jats:styled-content> (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a0.001, <jats:italic>r<\/jats:italic>\u00a0=\u00a0.728) and <jats:styled-content style=\"fixed-case\">CS<\/jats:styled-content> (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a0.001, <jats:italic>r<\/jats:italic>\u00a0=\u00a0.642) for all <jats:styled-content style=\"fixed-case\">FH<\/jats:styled-content> patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This study demonstrates the potential of using systolic strain values obtained using 2D <jats:styled-content style=\"fixed-case\">STE<\/jats:styled-content> for determining lipotoxicity in the myocardium owing to hypercholesterolemia. Our study found that cardiac functions of homozygote patients who had the highest cholesterol levels were disrupted at very early ages. Therefore, starting lipid reduction treatment and early reverse <jats:styled-content style=\"fixed-case\">LV<\/jats:styled-content> remodelling therapy at early ages may be beneficial for high\u2010risk patients.<\/jats:p><\/jats:sec>","DOI":"10.1111\/echo.14021","type":"journal-article","created":{"date-parts":[[2018,6,5]],"date-time":"2018-06-05T17:41:35Z","timestamp":1528220495000},"page":"1289-1299","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Prediction of subtle left ventricular systolic dysfunction in homozygous and heterozygous familial hypercholesterolemia: Genetic analyses and speckle tracking echocardiography study"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3797-512X","authenticated-orcid":false,"given":"Erhan","family":"Saracoglu","sequence":"first","affiliation":[{"name":"Dr. Ersin Arslan Education and Training Hospital  Gaziantep 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