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The direct cooling of the preoptic-hypothalamic area elicits the release of thyroid stimulating hormone during wakefulness but not during REM sleep.
PLoS One
October 2014
Department of Biomedical and NeuroMotor Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy.
Thermoregulatory responses to temperature changes are not operant during REM sleep (REMS), but fully operant in non-REM sleep and wakefulness. The specificity of the relationship between REMS and the impairment of thermoregulation was tested by eliciting the reflex release of Thyrotropin Releasing Hormone (TRH), which is integrated at hypothalamic level. By inducing the sequential secretion of Thyroid Stimulating Hormone (TSH) and Thyroid Hormone, TRH intervenes in the regulation of obligatory and non-shivering thermogenesis.
View Article and Find Full Text PDF[Effect of modified liberation doxazosin on blood pressure, insulin resistance, and catecholamine secretion in patients with true resistant hypertension].
Med Clin (Barc)
September 2004
Unidad de Hipertensión Arterial y Lípidos, Servicio de Medicina Interna, Hospital Universitario Virgen de las Nieves, Granada, Spain.
Background And Objective: There are not studies about the utility of modified liberation doxazosin (MLD) in the combined treatment of the true resistant hypertension (TRH). The aim of this study was to determinate the effect of MLD on the blood pressure (BP), insulin resistance, and the catecholamine secretion in these patients.
Patients And Method: Twenty seven patients with TRH from our unit were studied above and after 12 weeks of treatment with MLD (8 mg/day).
[Potentializing of tricyclics and serotoninergics by thyroid hormones in resistant depressive disorders].
Encephale
September 2004
Service de Psychiatrie de l'Adulte, Hôpitaux du Léman, 74203 Thonon.
In response to the increase of resistant depressive disorders and in spite of improved treatments, numerous studies were conducted in the last thirty Years aiming at assessing the pre-morbid thyroid state of depressed patients resistant to well conducted tricyclic treatments. "Minimal" thyroid abnormalities were evidenced as well as central thyroid disorders which may not be detected by peripheral-i.e plasmatic- dosages.
View Article and Find Full Text PDF[True and false hyperprolactinemia: how to discriminate one from the other in infertility management?].
Gynecol Obstet Fertil
April 2002
Service d'assistance médicale à la procréation, hôpital Jeanne de Flandre, avenue Oscar Lambret, 59037 Lille, France.
Serum prolactin measurement is usually performed in infertility evaluation, even if there's no specific clinical presentation of hyperprolactinemia. High levels of prolactin are noted in 20 to 30% of menstrual abnormalities and in about 10% of regular menses. It is of importance to determine whether hyperprolactinemia is related to pituitary adenoma, drug administration, general diseases, or circulating large forms of prolactin, in order to avoid heavy, expensive, time consuming and unnecessary clinical investigations or therapeutic actions.
View Article and Find Full Text PDFPreoperative growth hormone response to thyrotropin-releasing hormone and oral glucose tolerance test in acromegaly: a retrospective evaluation of 50 patients.
Metabolism
May 2002
Departments of Endocrinology and Neurosurgery, Catholic University School of Medicine, via Cassia 901, 00189 Rome, Italy.
The objective of this study was to investigate the relationship between growth hormone (GH) dynamic tests (thyrotropin-releasing hormone [TRH] test and oral glucose tolerance test [OGTT]), insulin-like growth factor-I (IGF-I) plasma values, tumor size, and clinical outcome in patients with GH-secreting pituitary adenomas. Furthermore, we investigated the potential prognostic utility of the above biochemical parameters in the follow-up of patients with acromegaly. We studied 50 acromegalic patients (18 males and 32 females; mean age, 40 years; range, 16 to 69) who underwent trans-sphenoidal removal of a GH-secreting pituitary adenoma from 1990 to 1994.
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