Preanalytical considerations in testing thyroid function
نویسندگان
چکیده
منابع مشابه
Preanalytical considerations in testing thyroid function.
Remarkable technical advances have permitted analytical measurement of thyrotropin (TSH) and estimates of free thyroxine (FT4) with precision, accuracy, and favorable economics. Combined with an increased appreciation of the key insights into the pituitary-thyroid relation, preanalytical considerations infrequently introduce confounding variables. In reviewing thyroid data, preanalytical consid...
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CONTENTS Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Patient considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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We assessed a new strategy for thyroid-function testing that involves simultaneous measurement of free thyroxin and thyrotropin, both in singletons, with chemiluminescent assays. Using our current strategy of measuring free thyroxin as a first-line test with selected back-up testing, the results show that, of 810 patients without previous thyroid disease, 445 received back-up tests. Of these, 3...
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ژورنال
عنوان ژورنال: Clinical Chemistry
سال: 1996
ISSN: 0009-9147,1530-8561
DOI: 10.1093/clinchem/42.1.125