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Prevalence of T-Lymphocyte Abnormalities in Infants With Congenital Heart Disease

Ernest A. Kiel, MD; Willa H. Drummond, MD; Douglas J. Barrett, MD
Am J Dis Child. 1984;138(2):143-146. doi:10.1001/archpedi.1984.02140400029007.
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• Thirty-two infants younger than 6 months with catheterization-proved congenital heart disease were prospectively examined for T-lymphocyte immunodeficiency (compared with adult and normal newborn controls). Cardiac lesions were separated into two groups: (1) "high-risk" lesions previously associated with T-cell abnormalities in DiGeorge's syndrome, and (2) the remaining "low-risk" lesions. Cardiac patients as a whole did not have significant abnormalities in T-cell rosette (TCR) percentages (mean ± SE, 50.0%±22%) or response to phytohemagglutinin (PHA) (72,243±38,388 counts per minute). However, a greater percentage of patients with high-risk cardiac lesions had abnormal TCR and PHA results than either the control or low-risk group, due to the inclusion of three infants with DiGeorge's syndrome. These findings suggest that newborn infants without evidence of DiGeorge's syndrome have normal T-lymphocyte function. Infants with high-risk cardiac lesions deserve a careful immunologic evaluation to avoid significant morbidity and mortality.

(AJDC 1984;138:143-146)


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