Artikel ; Online: T-cell Receptor Excision Circles in Newborns with Heart Defects.
2020 Band 41, Heft 4, Seite(n) 809–815
Abstract: In the fetus, the cardiac neural crest gives rise to both the thymus and the conotruncus of the heart. In newborn screening for severe T-cell lymphopenia neonates with congenital heart defects may be detected. In this study, we investigated the ... ...
Abstract | In the fetus, the cardiac neural crest gives rise to both the thymus and the conotruncus of the heart. In newborn screening for severe T-cell lymphopenia neonates with congenital heart defects may be detected. In this study, we investigated the occurrence of T-cell lymphopenia in neonates with or without 22q11.2 deletion syndrome (del) suffering from heart defects. This retrospective cohort study included 125 patients with heart defects. T-cell receptor excision circles (TRECs), a measure for T-cell lymphopenia, were quantified by RT-PCR using stored newborn screening blood spots. Three patient groups were compared: non-conotruncal defects (n = 57), conotruncal defects (n = 42), and 22q11.2 del with conotruncal defects (n = 26). Significantly lower TREC values were detected in patients with 22q11.2 del and conotruncal heart defects compared to those with non-syndromic conotruncal (p < 0.001) and non-conotruncal (p < 0.001) defects. In contrast, no significant difference was found between patients with non-syndromic conotruncal and non-conotruncal heart defects (p = 0.152). Low TREC levels were obtained in neonates treated with heart surgery/intervention within 2 weeks after birth and in those with a fatal outcome (p = 0.02) independent of patient group. A correlation was found between low TREC numbers and oxygen saturation, SpO |
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Mesh-Begriff(e) | DiGeorge Syndrome/complications ; DiGeorge Syndrome/diagnosis ; DiGeorge Syndrome/genetics ; Female ; Heart Defects, Congenital/complications ; Heart Defects, Congenital/diagnosis ; Heart Defects, Congenital/genetics ; Humans ; Infant, Newborn ; Male ; Neonatal Screening ; Receptors, Antigen, T-Cell/genetics ; Receptors, Antigen, T-Cell/immunology ; Retrospective Studies |
Chemische Substanzen | Receptors, Antigen, T-Cell |
Sprache | Englisch |
Erscheinungsdatum | 2020-03-13 |
Erscheinungsland | United States |
Dokumenttyp | Journal Article |
ZDB-ID | 800857-7 |
ISSN | 1432-1971 ; 0172-0643 |
ISSN (online) | 1432-1971 |
ISSN | 0172-0643 |
DOI | 10.1007/s00246-020-02317-y |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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