Hypertrabecular aspect of left ventricular myocardium: A possible complication of congenital hypothyroidism in a preterm infant

Division of Neonatology, Department of Paediatrics, Catholic University of Sacred Heart, Largo Gemelli 8, Rome, Italy.
The journal of maternal-fetal & neonatal medicine: the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians (Impact Factor: 1.37). 07/2010; 23(7):732-5. DOI: 10.3109/14767050903410649
Source: PubMed


We report a case of hypertrabeculated left ventricular myocardium associated with congenital hypothyroidism in a preterm infant. The myocardical anomalies and long QT interval, absent at birth, appeared simultaneously to abnormal thyroid hormones and progressively improved until complete recovery during Levo-Thyroxine treatment. We speculate that thyroid dysfunction could be the potential cause of transient hypertrabecular aspect of the left ventricle.

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