In several studies a hypersecretion of the pituitary hormone prolactin (PRL) in styrene-exposed workers has been described. This should cause reproductive problems like oligomenorrhea, secondary amenorrhea and reduced fertility [Arfini et al. (1987) J Occup Med 29:826-830, Bergamaschi et al. (1996)
OBJECTIVE
Reported cure rates following trans-sphenoidal surgery for microprolactinoma are variable and recurrence rates in some series are high. We wished to examine the cure rate of trans-sphenoidal surgery for microprolactinoma, and to assess the long-term complications and recurrence
Prolactin elevations occur in people treated with antipsychotic medications and are often much higher in women than in men. Hyperprolactinemia is known to cause amenorrhea, oligomenorrhea, galactorrhea and gynecomastia in females and is also associated with sexual dysfunction and bone loss. These
OBJECTIVE
The aim of this study was to determine the effects of Cabergoline administration on uterine blood flow in women suffering from polycystic ovary syndrome (PCOS).
METHODS
This study is a randomized, controlled, triple-blind trial which is tested on 40 women who were randomly divided into two
OBJECTIVE
To document a case of reversible thioridazine-induced pituitary enlargement associated with hyperprolactinemia in a patient with schizophrenia.
METHODS
We describe a 19-year-old woman with paranoid schizophrenia who was taking thioridazine (a phenothiazine), in whom hyperprolactinemia,
High prolactin levels can occur as a physiological condition in females who are pregnant or lactating. As a pathological condition, hyperprolactinaemia is associated with gonadal dysfunction, infertility and an increased risk of long-term complications including osteoporosis. The most frequent cause
The objective of this study is to determine whether pergolide therapy is an effective modality for the de novo treatment of patients with macroprolactinomas. Twenty-two consecutive patients with macroprolactinomas were included in the study and followed prospectively. These included 16 men and 6
BACKGROUND
Macroprolactin has reduced bioactivity in vivo and accumulates in the sera of some subjects, resulting in pseudo-hyperprolactinemia and consequent misdiagnosis.
METHODS
We have audited our experience of routine screening for macroprolactin using polyethylene glycol (PEG) precipitation
Quinagolide (QUI) and cabergoline (CAB) are dopamine agonists recently introduced for the treatment of hyperprolactinemia. In the present study, these drugs have been compared in terms of effectiveness and tolerability. Twenty patients (18 females and 2 males) with hyperprolactinemia (8 with
Prolactin exists in man as a distinct and separate anterior pituitary hormone from growth hormone. It is important in lactation and the control of gonadal function, although it may have a much wider and basic metabolic role, similar to its role in lower forms. In clinical endocrinology it is
We evaluated the clinical applicability of a 2-h test in which the prolactin (Prl) responses to thyrotrophin releasing hormone (TRH)(200 micrograms iv) and the dopamine antagonist, metoclopramide (MC; 10 mg iv) were studied successively, 1 h apart. Nine healthy women were studied with TRH-MC test
OBJECTIVE
The aim of this study was to evaluate the clinical and laboratory features of 64 patients with macroprolactinemia and to compare them to those of individuals with monomeric hyperprolactinemia.
METHODS
The study included 64 patients (54 women and 10 men) with macroprolactinemia and 96
A critical review of factors considered to cause menstrual dysfunction is women athletes with no overt organic cause for the abnormality is presented. Evidence suggests that although regular exercise can produce a specific change in hypothalamic-pituitary function, in particular reduced pulsatile
OBJECTIVE
Although a defect in GH regulation has been suggested in women with polycystic ovarian syndrome (PCOS), the data are limited and mechanism obscure. We have assessed the function of the GH/IGF-I axis in women with PCOS by measuring basal IGF-I levels and the ability of the pituitary to
To study the prognosis of adolescent ovulatory disturbance in patients with persistently elevated LH levels (greater than or equal to 25 mIU/ml), normal FSH levels and high LH/FSH (greater than 2.0), 17 patients aged 12-19 years were studied longitudinally for 4-9 years. These 17 patients consisted
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