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Newborn Screening for Severe Combined Immunodeficiency; The Wisconsin Experience (2008-2011).
MedLine Citation:
PMID:  22068910     Owner:  NLM     Status:  Publisher    
Severe combined immunodeficiency is a life-threatening primary immune deficiency characterized by low numbers of naïve T cells. Early diagnosis and treatment of this disease decreases mortality. In 2008, Wisconsin began newborn screening of infants for severe combined immunodeficiency and other forms of T-cell lymphopenia by the T-cell receptor excision circle assay. In total, 207,696 infants were screened. Seventy-two infants had an abnormal assay. T-cell numbers were normal in 38 infants, abnormal in 33 infants, and not performed in one infant, giving a positive predictive value for T-cell lymphopenia of any cause of 45.83% and a specificity of 99.98%. Five infants with severe combined immunodeficiency/severe T-cell lymphopenia requiring hematopoietic stem cell transplantation or other therapy were detected. In summary, the T-cell receptor excision circle assay is a sensitive and specific test to identify infants with severe combined immunodeficiency and severe T-cell lymphopenia that leads to life-saving therapies such as hematopoietic stem cell transplantation prior to the acquisition of severe infections.
James W Verbsky; Mei W Baker; William J Grossman; Mary Hintermeyer; Trivikram Dasu; Benedetta Bonacci; Sreelatha Reddy; David Margolis; James Casper; Miranda Gries; Ken Desantes; Gary L Hoffman; Charles D Brokopp; Christine M Seroogy; John M Routes
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-10
Journal Detail:
Title:  Journal of clinical immunology     Volume:  -     ISSN:  1573-2592     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8102137     Medline TA:  J Clin Immunol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA.
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