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PubMed1995

Cortisol levels alter the response to metoclopramide in patients with hypothalamic amenorrhea.

The reduction in frequency and/or amplitude of gonadotropin-releasing hormone (GnRH) pulses in patients with amenorrhea of hypothalamic origin has been attributed to increased dopamine activity. The objective of the present study was to determine the role of dopamine in the pathogenesis of hypothalamic amenorrhea. Fourteen patients with hypothalamic amenorrhea, nine of whom had psychogenic amenorrhea and five anorexia nervosa, were studied and compared with nine normal women during the early follicular phase. Metoclopramide (10 mg), a dopamine antagonist, was infused intravenously and blood samples were collected at 15-min intervals for 2 h for follicle-stimulating hormone (FSH) and luteinizing hormone (LH) measurement by radioimmunoassay. Both the hypothalamic amenorrhea (psychogenic amenorrhea and anorexia nervosa) and control groups were unresponsive to FSH, suggesting that dopamine may have little or no effect on FSH secretion. Five patients of the psychogenic amenorrhea group responded to LH (responsive psychogenic amenorrhea) and four did not (non-responsive psychogenic amenorrhea). No anorexia nervosa or control patient responded to the stimulus. Responsive psychogenic amenorrhea patients showed decreased basal cortisol levels compared to the non-responsive psychogenic amenorrhea and anorexia nervosa groups. It is possible that patients with exclusive alterations in the dopaminergic system are those who respond to metoclopramide (responsive psychogenic amenorrhea group), whereas patients who also have involvement of the hypothalamic-adrenal axis like the women with anorexia nervosa, are not responsive to metoclopramide and tend to have elevated cortisol levels. The non-responsive psychogenic amenorrhea group, with elevated cortisol levels, probably represents an intermediate step between the responsive psychogenic amenorrhea and anorexia nervosa patients.

Adolescent↗
PubMed2006

Secondary amenorrhea and lipid profile.

The aim of this study was to evaluate the lipid profile in women with amenorrhea in reproductive age and to investigate possible impact of type of amenorrhea on lipid profile by comparing lipid profile in normogonadotropic and hypergonadotropic women with amenorrhea. This cross-sectional study included 23 amenorrheic and 12 eumenorrheic women under 40 years old. Each woman underwent the measurement of body mass index, serum levels of FSH, LH, estradiol, progesterone, total cholesterol, HDL, VLDL, LDL, and triglycerides. According to FSH levels women with amenorrhea were divided in two groups: hypergonadotropic (FSH>25 IU/L) (n=9) and normogonadotropic (FSH>25 IU/L) (n=14). There were no differences in BMI, estradiol, progesterone, cholesterol, HDL, LDL, VLDL and triglycerides between amenorrheic and eumenorrheic women. Women with normogonadotropic amenorrhea had higher plasma concentrations of triglycerides (P=0.027) and VLDL (P=0.262) and lower levels of HDL (P=0.014) than women with hypergonadotropic amenorrhea. In hypergonadotropic women with amenorrhea was found positive correlation between progesterone and HDL (P=0.043). The normogonadotropic women with amenorrhea had higher levels of VLDL and triglycerides and lower levels of HDL than hypergonadotropic women with amenorrhea. These results suggest that the type of amenorrhea is important factor which may modify lipid profile in women with amenorrhea. The changes in lipid profile in normogonadotropic women with amenorrhea could be a risk for cardiovascular diseases.

Adult↗
PubMed1977

Etiology, clinical features and prognosis in secondary amenorrhea.

A clinical investigation of 356 patients with secondary amenorrhea revealed that 95% of patients with postpill amenorrhea and 56% of patients with anorexia nervosa recovered in 6 years. The corresponding recovery rates for patients with psychogenic amenorrhea and amenorrhea following self-induced weight loss were 72% for both groups, and in patients with the amenorrhea-galactorrhea syndrome and idiophatic functional amenorrhea the recovery rates at 6 years were 64 and 61% respectively. Unlike the other groups with functional amenorrhea, patients with the amenorrhea-galactorrhea syndrome had impaired ovarian responsiveness to exogenous gonadotropins. Bromocriptine treatment resulted in disappearance of the galactorrhea and restoration of the menses and/or ovulation in nine of 18 patients; of these three became pregnant. The effect of bromocriptine did not persist for long after treatment ceased, and permanent recovery was recorded only in four patients. The group with functional amenorrhea included 34 patients who wished to become pregnant. Gonadotropin treatment was successful in 20 patients, clomiphene-hCG in two, tamoxifen in two, bromocriptine in two, and combined bromocriptine and clomiphene in one. Thus, the overall pregnancy rate in patients with functional amenorrhea was 79%. The groups with ovarian amenorrhea inclutients with assumed ovarian failure responded to large doses of exogenous gonadotropins by ovulation and three became pregnant. Ovarian wedge resection was ineffective in all five cases with polycystic ovaries, but two patients became pregnant after treatment with clomiphene and chorionic gonadotropin, and one with exogenous gonadotropins.

Amenorrhea↗
PubMed2002

Clinical manifestations of low bone mass in amenorrhea patients with elevated follicular stimulating hormone.

OBJECTIVE: To study the characteristics of low bone mass in amenorrhea patients with elevated follicular stimulating hormone (FSH). METHODS: Amenorrhea patients with elevated FSH: Primary amenorrhea 18 cases, secondary amenorrhea 171 cases and age matched controls with normal menstruation, 180 cases. The descriptive parameters were: estrogen, alkaline phosphatase, urinary excretion of calcium to creatine ratio, cortical bone mineral density at the right radius measured by single photon absorptiometry and trabecular bone mineral density at the lumbar vertebra body measured by quantitative computerized tomography. RESULTS: Average E(2) levels in amenorrhea patients is under 150 pmol/L with significantly higher alkaline phosphatase and urine calcium to creatine ratio values than the normal menstruation group. Cortical bone mineral density in the secondary amenorrhea group (655 +/- 69 mg/cm(2)) was significantly lower than that of the normal menstruation group (677 +/- 56 mg/cm(2), P < 0.01). Trabecular bone mineral density in the secondary amenorrhea group (145 +/- 26 mg/cm(3)) was significantly lower than that of the NOR group (192 +/- 28 mg/cm(3), P < 0.001). The disparity with the normal menstruation group is even greater in the primary amenorrhea group. Bone mineral density of the amenorrhea patients was negatively correlated with duration of the menopause. CONCLUSIONS: Serum estrodiol levels in amenorrhea patients was so low that bone turnover was accelerated. This led to insufficient bone accumulation and a dramatically drop in trabecular bone mineral density. The extent was closely related to age of onset of amenorrhea and the duration of ovarian failure.

Adult↗
PubMed1994

Endocrine profile of women with amenorrhea and oligomenorrhea.

OBJECTIVES: To find out the common causes of amenorrhea and oligomenorrhea in south Indian women and to draw up a protocol for evaluation of women with these problems. METHODS: A retrospective study of 426 women with amenorrhea and oligomenorrhea was carried out. RESULTS: Forty-one patients had primary amenorrhea, 132 had secondary amenorrhea and 289 women presented with oligomenorrhea. Hypergonadotropic amenorrhea and congenital absence of the uterus and vagina accounted for 60% of primary amenorrhea. Chronic anovulatory disorders and premature ovarian failure were found in 72% of women with secondary amenorrhea but weight loss related amenorrhea was uncommon. CONCLUSIONS: On the basis of the observations made, a protocol for evaluation and management of women with amenorrhea and oligomenorrhea was evolved.

Adult↗
PubMed1994

Amenorrhea during the reproductive years--is it safe?

OBJECTIVE: To collate information relating specifically to amenorrhea of different etiologies in young women, the long- and short-term implications of these states, and the optimal therapeutic strategy to treat these conditions. DATA IDENTIFICATION: Studies related to these topics were identified through literature and Medline searches. STUDY SELECTION: Those studies that relate specifically to amenorrhea in women of reproductive age, including etiology, diagnosis, and the implications of replacement therapy or nontreatment of this state, were selected. RESULTS: Amenorrhea, as defined by the absence of menses for > or = 6 months, may be found in up to 3% of women in the reproductive years. Classification of amenorrhea involves defining the exact cause for the cessation of menses, be it hypothalamic, pituitary, ovarian, or lower genital tract in origin. The majority of amenorrheic young women have very low levels of estrogens, and a minority will have subnormal noncyclic estrogen levels, unopposed by P, due to anovulation. This distinction is important in considering the long-term implications of amenorrhea. Hypoestrogenic amenorrhea is associated with a significant loss of bone mineral density and the associated risk of osteoporosis and fractures. Lipoprotein profiles are also adversely affected, and this is associated with an increased risk of cardiovascular events. Anovulatory amenorrhea due to "unopposed" estrogen is associated with an increased risk of endometrial hyperplasia and endometrial carcinoma even in young patients. Therapy should be aimed at treating the underlying cause of amenorrhea, if possible, or reconstitution of an estrogen-P biphasic monthly cycle if not. CONCLUSIONS: Untreated amenorrhea is associated with significant long-term morbidity, especially in young women. Early recognition and institution of treatment will minimize late complications.

Aging↗
PubMedDate not supplied

Continuous hormone replacement therapy for menopause combining nomegestrol acetate and gel, patch, or oral estrogen: a comparison of amenorrhea rates.

This open-label, prospective, randomized, multicenter trial compared the incidence of amenorrhea in 54 postmenopausal women (mean age, 54.9 +/- 0.6 years) who underwent six 4-week cycles of continuous hormone replacement therapy combining a progestin-nomegestrol acetate 2.5 mg/d--plus one of three estrogens: percutaneous 17beta-estradiol gel (1.5 mg/d, group A), transdermal 17beta-estradiol patch (50 microg/d, group B), or oral estradiol valerate (2 mg/d, group C). Based on an intent-to-treat analysis, the rate of amenorrhea varied significantly according to which estrogen preparation was used. Calculated cycle by cycle, rates of amenorrhea were 67% to 83% for group A, 25% to 56% for group B, and 53% to 61% for group C. Overall rates of persistent amenorrhea were not statistically different between groups for cycles 1 through 3, but for cycles 4 through 6, significantly more women in groups A and C (67% and 46%, respectively) experienced amenorrhea than did those in group B (12%). Amenorrhea rates for the entire six-cycle period were 78% for group A, 48% for group B, and 60% for group C. These differences were not statistically significant. The differences in rates could not be attributed to endometrial atrophy, since when measured by transvaginal sonography, endometrial thickness did not differ significantly between groups. Of the original population, 7% withdrew prematurely because of bleeding. The data for all three groups confirmed that in two out of three women, the occurrence of amenorrhea during the first three cycles predicted continuation of amenorrhea during subsequent cycles and that for 51% of women, < or =10 days of bleeding during the first three cycles predicted amenorrhea during the last three cycles. Calculated as a function of the number of women included in the trial, the percentage of amenorrheic women (evaluated cycle by cycle or for the second three-cycle period) was highest when the progestin was combined with percutaneous 17beta-estradiol gel, although findings were similar with estradiol valerate. The percutaneous 17beta-estradiol gel was also associated with a higher percentage of amenorrheal cycles than was estradiol valerate or transdermal estrogen, although differences were significant only in comparison with the transdermal formulation. This difference may have positive clinical implications.

Amenorrhea↗
PubMed1993

Cognitive and psychiatric correlates of functional hypothalamic amenorrhea: a controlled comparison.

OBJECTIVE: To assess the association of cognitive function, emotional, and psychiatric history in women with functional hypothalamic amenorrhea compared with amenorrheic and eumenorrheic controls. DESIGN: Each subject was medically evaluated for origin of amenorrhea or to establish eumenorrhea. Subjects completed a structured psychiatric interview and self-report questionnaires. SETTING: Patients were recruited from a large reproductive endocrinology practice within a tertiary referral center. PATIENTS/PARTICIPANTS: Consecutive patients who were eligible for the study were invited to participate. Eumenorrheic controls were recruited to match women with functional hypothalamic amenorrhea by age, sex, weight, and season. MAIN OUTCOME MEASURES: Cognitive measures assessed expectation of control, perfectionism, rigidity of ideas and concern about judgments of others (dysfunctional attitudes), coping ability, interpersonal and achievement functioning, and interpersonal dependence. Measures of mood and symptoms included both clinical and self-report scales. Psychiatric diagnoses were determined using Research Diagnostic Criteria and DSM III-R. RESULTS: Women with functional hypothalamic amenorrhea endorsed more dysfunctional attitudes, had greater difficulty in coping with daily stresses, and tended to endorse greater interpersonal dependence than eumenorrheic women. Women with organic amenorrhea were statistically not different from either group but tended to report less dysfunctional attitudes and interpersonal dependence, although they displayed comparable difficulty in coping, compared with functional hypothalamic amenorrhea women. Women with functional hypothalamic amenorrhea more often had a history of psychiatric disorders, primarily mood disorders, than eumenorrheic women but were not different from women with organic amenorrhea. CONCLUSION: Women with functional hypothalamic amenorrhea showed increased cognitive dysfunction and psychiatric morbidity.

Affect↗
PubMed1997

Altered binding of serum thyroid hormone to thyroxine-binding globulin in women with functional hypothalamic amenorrhea.

OBJECTIVE: To further characterize hypothyroidemia with decreased serum concentrations of total triiodothyronine and total T4 in women with functional hypothalamic amenorrhea. DESIGN: Cohort study. SETTING: University of California San Diego Clinical Research Center. PATIENT(S): 8 women with functional hypothalamic amenorrhea (hypogonadotropic or normogonadotropic amenorrhea of at least 6 months duration) and 9 normal cycling women in the early follicular phase of their cycles. INTERVENTION(S): 24-hour frequent blood sampling. MAIN OUTCOME MEASURE(S): Comparison of levels of thyroid hormones and binding proteins between functional hypothalamic amenorrhea and normal cycling women. Measurements of serum free T4, free triiodothyronine, total T4, total triiodothyronine, reverse triiodothyronine, thyroid-binding globulin, albumin, and prealbumin levels and determination of T4 binding and binding affinity to each of the three binding proteins. RESULT(S): The results confirmed reduced levels of total triiodothyronine and total T4, but revealed no significant difference in free triiodothyronine and free T4, as well as reverse triiodothyronine, levels between functional hypothalamic amenorrhea and normal cycling women. Although serum levels of thyroid hormone-binding proteins were similar between normal cycling women and functional hypothalamic amenorrhea, a significant decrease in T4 bound to thyroid-binding globulin along with a decrease in apparent affinity of thyroid-binding globulin for T4 was present in functional hypothalamic amenorrhea. No differences in prealbumin- or albumin-T4 interactions were found. CONCLUSION(S): In functional hypothalamic amenorrhea, a reduced thyroid-binding globulin binding affinity appears to explain the disparity between normal levels of free triiodothyronine, free T4, and binding proteins in the face of reduced levels of total triiodothyronine and total T4.

Adult↗