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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4B
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pubmed:dateCreated |
1990-2-6
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pubmed:abstractText |
Hypothalamic hypogonadotropic hypogonadism (HHH), a disorder occurring in both sexes, is characterized by a partial or complete inability to synthesize and/or release LH-RH from the hypothalamus which result in absence or defects of amplitude and frequency of gonadotropin secretion. Long term substitution by pulsatile exogenous LH-RH usually result in complete normalization of both pituitary and gonadic hormones. Such a treatment allows differentiation between hypothalamic and pituitary causes of hypogonadotrophic hypogonadism. Ovulation and fertility can be achieved in most of women with hypothalamic amenorrhea treated with pulsatile LH-RH using i.v. bolus doses of 25-100 ng/kg at 1-2 h intervals. In opposite LH-RH therapy yields inferior results to human menopausal gonadotropin (hMG) in chronic anovulatory patients with persistent LH secretion or polycystic ovary syndrome (PCOS) as shown by one randomized and several non-controlled studies. Successful pulsatile LH-RH treatment following a 2 months LH-RH analog suppression in PCOS previously refractory to LH-RH alone represents a new promising approach. The majority of men with complete HHH begin to produce sperm only after 1 year of therapy. Both the testicular volume and the mean sperm concentrations were below the normal values after 2 years of treatment in spite of normalization of testosterone, LH and FSH levels. Pulsatile LH-RH does not seem significantly improve the treatment of infertile HHH men compared to hMH/hCG.
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pubmed:language |
fre
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0022-4731
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
33
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
783-8
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:2689786-Amenorrhea,
pubmed-meshheading:2689786-Female,
pubmed-meshheading:2689786-Gonadotropin-Releasing Hormone,
pubmed-meshheading:2689786-Humans,
pubmed-meshheading:2689786-Hypogonadism,
pubmed-meshheading:2689786-Hypothalamic Diseases,
pubmed-meshheading:2689786-Male,
pubmed-meshheading:2689786-Polycystic Ovary Syndrome
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pubmed:year |
1989
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pubmed:articleTitle |
[Pulsatile administration of LH-RH: diagnostic and therapeutic applications].
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pubmed:affiliation |
Service d'endocrinologie, Hôpital Lapeyronie, Montpellier, France.
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pubmed:publicationType |
Journal Article,
English Abstract,
Review
|