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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
1987-7-29
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pubmed:abstractText |
We investigated the course of thyroid hormones levels in the serum of hyperthyroid patients acutely treated with amiodarone. Ten patients were treated either with amiodarone, 3 X 400 mg daily for 3 days in addition to methimazole, 3 X 20 mg daily for 10 days (Group I; n = 5) or with a placebo plus methimazole at the same doses (Group II; n = 5). Basal T3, T4 and rT3 serum concentrations were: 297 ng/dl, 16.6 micrograms/dl and 507 pg/dl, respectively in Group I and 377 ng/dl, 17.6 micrograms/dl and 362 pg/dl in Group II (NS). Compared with basal values, the drop in serum T3 concentration became significant on Day 1 in Group I, but not until day 5 in Group II. The decrease in serum T3 concentration was significantly higher in Group I than in Group II from Day 1 to Day 7. In Group I, T4 concentration was significantly lower on Days 2, 4 and 6; the percentage drop in T4 calculated from the areas under the curves was higher and the T3/T4 ratio lower on Days 3-5, 7 and 9; rT3 was higher on Days 4 and 5 and its rise was significant on Days 1, 3 and 4. During the follow-up period a transient rise in T4 and T3 concentrations was observed in two patients in Group I when the methimazole dosage was tapered or stopped because of agranulocytosis. In conclusion, in our hyperthyroid patients, amiodarone in conjunction with methimazole induced a greater fall in T3 and T4 than did methimazole alone.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
0031-6970
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
32
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
223-7
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:3595695-Adult,
pubmed-meshheading:3595695-Aged,
pubmed-meshheading:3595695-Aged, 80 and over,
pubmed-meshheading:3595695-Amiodarone,
pubmed-meshheading:3595695-Double-Blind Method,
pubmed-meshheading:3595695-Female,
pubmed-meshheading:3595695-Humans,
pubmed-meshheading:3595695-Hypothyroidism,
pubmed-meshheading:3595695-Methimazole,
pubmed-meshheading:3595695-Middle Aged,
pubmed-meshheading:3595695-Thyroxine,
pubmed-meshheading:3595695-Triiodothyronine
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pubmed:year |
1987
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pubmed:articleTitle |
Effect of amiodarone on serum T4 and T3 levels in hyperthyroid patients treated with methimazole.
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pubmed:publicationType |
Journal Article,
Clinical Trial,
Randomized Controlled Trial,
Controlled Clinical Trial,
Research Support, Non-U.S. Gov't
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