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The control group consisted of 30 age- (mean age 10.16\u2009\u00b1\u20093.42 years) and sex-matched healthy children. All participants underwent transthoracic echocardiography with LVEF measured using the Simpson method and had the blood serum level of <jats:italic>N<\/jats:italic>-terminal-pro-brain natriuretic peptide marker (NT-proBNP) determined. All children underwent SD-OCT and had subfoveal choroidal thickness (SFCTh) and CTh measured at 1500 \u00b5m (\u03bcm) nasally, temporally, superiorly and inferiorly from the fovea in both eyes by two investigators.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>CTh at all locations was statistically significantly lower in children with DCM compared to the control group. Mean CTh in the group with CHF compared to the control group were (304.03 vs. 369.72 \u03bcm, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05) at the subfoveal location, (245.87 vs. 284 \u03bcm, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05) 1500 \u03bcm nasally from the fovea, (291.5 vs. 355.95 \u03bcm, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05) 1500 \u03bcm temporally from the fovea, (303.98 vs. 357.58 \u03bcm, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05) 1500 \u03bcm superiorly from the fovea and (290.92 vs. 344.96 \u03bcm, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05) 1500 \u03bcm inferiorly from the fovea. The average difference CTh between the study groups ranged from 38.13 to 65.69 \u03bcm at individual locations. In both groups, CTh was the thickest at subfoveal location (304.03 vs. 369.72 \u03bcm, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05) and the thinnest was 1500 \u03bcm nasally from the fovea (262.37 vs. 336.87 \u03bcm, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). There was no correlation between CTh and age, gender, biometry and refractive error. No correlation was found between CTh and LVEF and NT-proBNP.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Patients with CHF due to DCM had a thinner CTh at all measured locations. The results of our research indicate that CHF affects CTh and this parameter may be very helpful in monitoring the clinical course of the disease in children with DCM.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s10792-021-01774-5","type":"journal-article","created":{"date-parts":[[2021,5,9]],"date-time":"2021-05-09T13:02:20Z","timestamp":1620565340000},"page":"2167-2177","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Choroidal thickness changes in children with chronic heart failure due to dilated cardiomyopathy"],"prefix":"10.1007","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0253-5119","authenticated-orcid":false,"given":"Klaudia","family":"Rakusiewicz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krystyna","family":"Kanigowska","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wojciech","family":"Hautz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lidia","family":"Zi\u00f3\u0142kowska","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,5,9]]},"reference":[{"key":"1774_CR1","doi-asserted-by":"publisher","first-page":"144","DOI":"10.1016\/j.preteyeres.2009.12.002","volume":"29","author":"DL Nickla","year":"2010","unstructured":"Nickla DL, Wallman J (2010) The multifunctional choroid. 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