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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1988-4-7
pubmed:abstractText
Prolactin (PRL) and thyrotropin (TSH) serum levels were determined in a group of young female heroin addicts treated in hospital with methadone in tapered doses. At admission, from 24 to 3 h after the last dose of 'street' heroin, basal PRL values were 21 +/- 2.6 ng/ml, i.e. significantly higher (P less than 0.001) than in controls: 9.8 +/- 0.7; there was no significant differences of basal TSH values between heroin addicts and normal subjects: 2.5 +/- 0.2 vs. 2.2 +/- 0.1 mu units/ml, respectively. The day after admission, when methadone treatment was begun, the PRL and TSH pituitary response to thyrotropin releasing hormone (TRH) 200 micrograms i.v. in 12 patients was studied. The PRL response was significantly reduced (P less than 0.001) in heroin addicts vs. controls, the mean values of highest percent increments over basal were 368 +/- 41.8 and 847 +/- 80.7, respectively. The TSH response in the two groups was similar, the mean highest per cent increment over basal 393 +/- 53.4 in heroin addicts vs. 367 +/- 39.2 in controls. The increase of the PRL basal concentration and its decreased pituitary response following TRH were probably related to a change in the tuberoinfundibolar dopaminergic system (TIDA) because of a chronic intake of opiates whereas the impaired function of the dopaminergic system did not alter the thyrotropin pituitary secretion.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0376-8716
pubmed:author
pubmed:issnType
Print
pubmed:day
30
pubmed:volume
20
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
247-54
pubmed:dateRevised
2005-11-17
pubmed:meshHeading
pubmed:year
1987
pubmed:articleTitle
Prolactin and thyrotropin pituitary response to thyrotropin releasing hormone in young female heroin addicts.
pubmed:affiliation
Divisione di Medicina 1, Istituti Ospedalieri Trento, Italy.
pubmed:publicationType
Journal Article