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[Acromegaly and pregnancy: report of six new cases].

AbstractINTRODUCTION:
Pregnancies in acromegalic women are rare. Data from the literature indicate absence of congenital malformation in newborns, an increase of pituitary adenoma volume rarely clinically symptomatic, an increased risk of gestational diabetes and gravid hypertension in women with non-controlled GH/IGF-1 hypersecretion before gestation. The changes of somatotroph function are rarely described.
AIM OF THE STUDY:
Report of six new pregnancies in five women with acromegaly.
PATIENTS AND METHODS:
Before pregnancy three women had incomplete surgical resection of GH-secreting pituitary adenoma, all were treated with somatostatin analogues, and the medical treatment was withdrawal at the diagnosis of gestation. We studied clinical (blood pressure, headaches, visual field), biological (blood glucose concentration) signs, GH and IGF-1 levels were measured during each trimester of pregnancy as well as in post-partum and were compared with pregestational values, MRI of the pituitary performed during the second trimester and in the post-partum were compared with MRI examen before pregnancy.
RESULTS:
All those pregnancies were normal without gestational diabetes, gravid hypertension and pituitary tumor syndrome. Clinical signs of acromegaly improved in 50 % of the patients, and IGF-1 decreased (22 %) in comparison of pregestational value without significant change in GH levels. No newborn had congenital malformation.
CONCLUSION:
Pregnancies in those women with acromegaly are uneventful without obstetrical or foetal complication, but a maternal follow-up is necessary in order to diagnose gravid hypertension and gestational diabetes. On the other hand, a clinical monitoring of pituitary tumor syndrome is necessary in women with non-operated GH-secreting macroadenoma before pregnancy. During the first trimester of gestation, an improvement of acromegalic signs can be due to a decrease of IGF-1 levels related to hepatic GH-resistance state secondary to physiological secretion of estrogens during gestation.
AuthorsM-L Persechini, I Gennero, S Grunenwald, D Vezzosi, A Bennet, P Caron
JournalJournal de gynecologie, obstetrique et biologie de la reproduction (J Gynecol Obstet Biol Reprod (Paris)) Vol. 43 Issue 9 Pg. 704-12 (Nov 2014) ISSN: 1773-0430 [Electronic] France
Vernacular TitleAcromégalie et grossesse: six nouvelles observations.
PMID24035359 (Publication Type: Case Reports, English Abstract, Journal Article)
CopyrightCopyright © 2013 Elsevier Masson SAS. All rights reserved.
Chemical References
  • Human Growth Hormone
  • Insulin-Like Growth Factor I
Topics
  • Acromegaly (complications)
  • Adult
  • Congenital Abnormalities (epidemiology)
  • Diabetes, Gestational (etiology)
  • Female
  • Growth Hormone-Secreting Pituitary Adenoma (complications, pathology, surgery)
  • Human Growth Hormone (blood)
  • Humans
  • Hypertension, Pregnancy-Induced (etiology)
  • Infant, Newborn
  • Insulin-Like Growth Factor I (analysis)
  • Magnetic Resonance Imaging
  • Pregnancy
  • Pregnancy Complications
  • Risk Factors

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