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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1989-7-27
pubmed:abstractText
An effective method of prediction of neonatal transient hypothyroidism was examined in 105 neonates (including a pair of twins) born to mothers with chronic thyroiditis (92 mothers with goitrous Hashimoto's disease and 12 with primary atrophic hypothyroidism). Antithyroid microsomal antibody was measured by a hemagglutination technique (MCHA), and antithyroid-stimulating hormone (TSH) receptor antibody by both radioreceptor assay (TBII) and biologic thyroid-stimulation blocking assay (TSBAb). For generalization of predictive criteria, the expression of TBII activity was standardized using standard serum made taking units of MRC-LATS-standard B as a reference, and that of TSBAb activity was standardized as the degree of dilution with normal pooled serum to attain 50% inhibition of TSH (100 microU/ml)-induced cyclic adenosine monophosphate increase (TSBAb50). The MCHA titer in maternal serum at delivery correlated well with that of the corresponding cord serum, but not with the free thyroxine (T4) index or the TSH level in cord serum. TBII activity was positive in only 4 of 12 mothers with primary atrophic hypothyroidism, TSBAb activity was also positive only in these four mothers, and neonatal thyroid dysfunction was observed in three of their neonates. Two of these neonates developed transient hypothyroidism requiring T4 treatment, and the t third developed mild transient hyperthyrotropinemia with normal T4 and triidothyronine levels. The mothers whose neonates showed transient hypothyroidism had TBII activities of more than 300 U/ml and TSBAb50 activities of more than 300. Ninety-two mothers with goitrous Hashimoto's disease had neither TBII nor TSBAb activity, irrespective of their thyroid function, and delivered euthyroid babies.(ABSTRACT TRUNCATED AT 250 WORDS)
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jul
pubmed:issn
0735-1631
pubmed:author
pubmed:issnType
Print
pubmed:volume
6
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
296-303
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1989
pubmed:articleTitle
Effective method for prediction of transient hypothyroidism in neonates born to mothers with chronic thyroiditis.
pubmed:affiliation
Department of Laboratory Medicine, Osaka University Medical School, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't