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  • Title: [Prolactin response to acute administration of growth hormone releasing hormone in patients with uremia].
    Author: García Martín F, Donnay Candil S, Martín Escobar E, Alvaro R, de Arriba G, Requejo R, Martín Hernández R.
    Journal: Rev Clin Esp; 1989 Nov; 185(8):399-401. PubMed ID: 2516347.
    Abstract:
    The Growth Hormone Releasing Hormone (GH-RH) constitutes the most potent and specific stimulus for Growth Hormone secretion. Nevertheless, in some pathologic situations a Prolactin (PRL) response to GH-RH stimulus is also observed. In order to evaluate the possible effect of GH-RH over seric levels of PRL in uremic patients we carried out a study in a group of ten male patients on hemodialysis (HD), who were given an acute stimulus of GH-RH (an IV 50 mcg. bolus) immediately before and after the HD session, with blood extractions at times -15, 0, 15, 30, 45, 60, and 90 minutes for PRL determinations. The same procedure was carried out in 8 healthy controls. Basal PRL levels in the HD group (14 +/- 3.2 micrograms/L) were significantly greater (p less than 0.01) than control group (3.8 +/- 1.4 micrograms/L). There was no PRL response to GH-RH either in uremic patients before or after HD or in healthy controls. Our results show that there is a significant increase in PRL levels in uremic patients both before and after dialysis with a GH-RH response comparable to healthy subjects.
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