The paper entitled “Normative Values of Aortic Arch Structures in Premature Infants” by Dijkema et al, published in the March 2017 issue of JASE (J Am Soc Echocardiogr 2017;30:227-32), has two corrections. On page 230, in Table 3, the values in the “Standard error” column are incorrect. Also, the first value in the “b2” column was incorrectly printed as “−1.258-E6.” Here, we present the corrected version of the table.
        Table 3Regression analysis of arch dimensions related to BW
        Interceptb1b2b3Standard errorR2
        Ascending aorta2.3320.004−1.258E-62.111E-100.620.427
        Transverse aorta3.910−0.0011.087E-6−1.321E-100.610.305
        Descending aorta4.131−0.0022.799E-6−7.4607E-100.780.177
        b1, b2, and b3 are the constants of the equation, and R2 is the coefficient of determination.

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        • Normative Values of Aortic Arch Structures in Premature Infants
          Journal of the American Society of EchocardiographyVol. 30Issue 3
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            Aortic arch abnormalities represent 5% to 8% of all congenital heart disease. Measurements of the aortic arch dimensions on two-dimensional echocardiographic images remain of critical importance in the diagnosis of aortic arch pathology. To define aortic hypoplasia or coarctation, measured dimensions must be compared with normal values. Normal values have been described for children of all ages in earlier studies. However, normative data for premature infants are not yet available. Therefore, the aim of this study was to develop normative data in a cohort of premature infants, which could be used in the diagnosis of aortic arch abnormalities.
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