Document Detail


Posterior pituitary functions are not altered after growth hormone replacement therapy in hypopituitarism due to Sheehan's syndrome.
MedLine Citation:
PMID:  22627149     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: The aim of the present study was to investigate the effects of growth hormone (GH) replacement on posterior pituitary functions of GH-deficient Sheehan's syndrome (SS) patients. DESIGN: Ten patients with SS and 14 healthy control women were included in this prospective study. All patients were given appropriate hormone replacement therapy other than GH, according to present hormone deficiencies. Patients were euthyroid and eucortisolemic at the time of baseline evaluation. Patients and the control group were evaluated with water-deprivation and saline-infusion tests at baseline and the tests were repeated in patients with SS after 3months of GH replacement therapy. RESULTS: According to the water deprivation test, 3 patients had partial central DI at baseline. Urine osmolalities of the patients were slightly lower and plasma osmolalities were significantly higher than the control group at baseline, after water deprivation and following DDAVP injection and after hypertonic saline infusion. The osmotic threshold of serum for thirst perception was found to be significantly higher in SS patients than the control group, GH replacement therapy did not influence the results of water deprivation and saline infusion tests in SS patients. CONCLUSION: Patients with SS have subtle abnormalities in posterior pituitary functions and the threshold for thirst perception is increased. However GH replacement therapy does not seem to reverse or adversely affect the mildly deteriorated posterior pituitary functions of SS patients.
Authors:
Z Karaca; F Tanriverdi; H Atmaca; K Unluhizarci; F Kelestimur
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-22
Journal Detail:
Title:  Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society     Volume:  -     ISSN:  1532-2238     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9814320     Medline TA:  Growth Horm IGF Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Erciyes University Medical School Department of Endocrinology, Kayseri, Turkey.
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