The premenstrual syndrome. New views.
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Biomedical subjects
Publications and source records attributed to D R Rubinow.
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Measures of recognition of seven affects in facial and verbal expressions to 17 depressed patients and 31 controls were administered. Depressed patients were significantly impaired in the recognition of affect in the facial, but not verbal, expressions. Among the seven affects examined, depressed patients made significantly or near significantly fewer correct matches for sad, happy, and interested face items. The performance of the depressed patients was similar to that observed by Kolb and Taylor in patients with right, but not left, hemisphere cortical excisions. The neurobiology of facial recognition is reviewed, and the relevance of the observed perceptual deficit in depressed patients to the pathophysiology and symptomatology of depression is discussed.
Given the abrupt and time-limited nature of daytime-awake and nocturnal-sleep panic attacks, several chemical and neuroendocrine challenge tests have been employed to investigate the neurobiology of "spontaneous" panic attacks. Previously we demonstrated that panic disorder patients have blunted growth hormone (GH) responses to clonidine, an alpha 2-adrenergic agonist. However, the mechanism of this blunted response and the role of hypothalamic-GH dysfunction, if any, remains unclear. To further delineate the status of hypothalamic-GH function in panic disorder, we review the literature and present original data on the GH responses to a number of different chemical and neuroendocrine challenge paradigms. Although stress-mediated increases in GH are thought to be a common correlate of stress in humans, our findings indicate that panic disorder patients have significantly blunted GH responses to clonidine, yohimbine, growth-hormone releasing factor, and caffeine compared to normal control subjects. A similar trend was noted in the delayed rise in GH after glucose challenge. There was no difference in the rate of abnormal GH responses to thyrotropin-releasing hormone in panic disorder compared to normal control subjects. No drug or neuroendocrine challenge, even if associated with marked increases in anxiety, produced a significantly enhanced GH response compared to normal control subjects. These findings provide support for a hyporesponsive hypothalamic-GH system in panic disorder. These observations, combined with preliminary observations from our clinic of short stature in several cases of prepubescent children with anxiety disorders, also underscore the need for assessing early growth patterns in individuals with panic disorder. Strategies for investigating the site(s) of possible neurotransmitter or hypothalamic-GH-somatomedin dysfunction are discussed.
Decreased cerebrospinal fluid (CSF), somatostatinlike immunoreactivity (SLI) and alterations in the CSF monamine metabolites 3-methoxy-4-hydroxyphenylethylglycol (MHPG), 5-hydroxyindoleacetic acid (5-HIAA), and homovanillic acid (HVA) have been reported in patients with probable Alzheimer's disease (AD) and in patients with major depression. In this study, we found CSF SLI to be significantly lower in a large group of AD patients (n = 60) and in a group of age-matched patients with major depression (n = 18) as compared with normal controls (n = 12). Mean CSF, MHPG, 5-HIAA, and HVA levels were not significantly different among diagnostic groups. Within a group of "depressed" AD patients, CSF levels of 5-HIAA showed a significant positive correlation (p = 0.03) with CSF SLI; a similar relationship was found within the group of patients with major depression. Further exploration of the relationship between the somatostatin and serotonin systems may provide clues as to how neuropeptides interact with monoamine neurotransmitters and what role they have in depression.
BACKGROUND: No physiologic abnormality of the luteal phase has been consistently demonstrated in women with premenstrual syndrome (PMS). Using the progesterone antagonist mifepristone, we truncated the late luteal phase of the menstrual cycle in a blinded fashion to evaluate the relation of the events of the late luteal phase to the symptoms of PMS. METHODS: Fourteen women with PMS were given mifepristone (12.5 or 25 mg per kilogram of body weight) by mouth on the seventh day after the surge of luteinizing hormone. On the sixth through the eighth days after the surge, they also received injections of either placebo or human chorionic gonadotropin (2000 IU). Seven women with PMS received placebo instead of both mifepristone and human chorionic gonadotropin. All the women completed daily questionnaires measuring a variety of mood-related and somatic symptoms. RESULTS: Mifepristone consistently induced menses. The women receiving only mifepristone had plasma progesterone levels like those of the follicular phase (less than 3 nmol per liter) within four days, whereas all the other women had plasma progesterone levels characteristic of the luteal phase (greater than 8 nmol per liter) for at least seven days after treatment. In all three groups, the severity of symptoms was significantly higher after treatment than before, according to an analysis of variance with repeated measures. The level and pattern of the ratings of symptom severity were similar in all treatment groups. CONCLUSIONS: Neither the timing nor the severity of PMS symptoms was altered by mifepristone-induced menses or luteolysis. The temporal association of typical PMS symptoms with an artificially induced follicular phase suggests that endocrine events during the late luteal phase do not directly generate the symptoms of PMS.
OBJECTIVE: The authors' goal was to determine whether self-rated patterns of mood regulation differed among patients with major depression, patients with borderline personality disorder, patients with premenstrual syndrome (PMS), and normal subjects. METHOD: Fourteen days of morning and evening mood self-ratings on a visual analog scale were analyzed for 65 female subjects (10 with major depression, 16 with borderline personality disorder, 15 with PMS, and 24 without psychiatric diagnoses). For each individual, the mean and standard deviation of morning and evening ratings, the mean absolute change in mood from one day to the next, and the change from morning to evening were determined. RESULTS: The four groups differed significantly on every measure of mood and mood variability except diurnal variation. As expected, the group with major depression had the lowest global ratings and a low degree of variability. The group with borderline personality disorder was less depressed than the group with major depression and showed a high degree of mood variability. Autocorrelation analysis suggested that mood ratings in borderline personality disorder vary randomly from one day to the next. The mood variability over the 14 days of the patients with PMS was significantly greater than that of normal subjects. CONCLUSIONS: The visual analog scale can capture patterns of mood and mood variability thought to be typical of these diagnostic groups. Mood disorders differ not only in the degree of abnormal mood but also in the pattern of mood variability, suggesting that mechanisms regulating mood stability may differ from those regulating overall mood state.
Despite descriptions dating back to the nineteenth century of menopause-related affective syndromes, recent investigations have been unable to characterize a specific disturbance of mood or behavior related to this period of life. In this article the authors identify a number of methodologic problems in earlier studies and suggest that further study is warranted and that it is premature to conclude that menopause-related affective syndromes do not exist. They then provide guidelines for examining mood and behavioral changes that take place during the climacteric and menopause, with the hope of stimulating further research which may determine whether menopause-related affective disorders exist and, if so, their characteristics.
To explore whether possible differences in central nervous system neuromodulators contribute to the differential presentation of affective symptomatology in Cushing's disease and major depression, we examined the levels of immunoreactive CRH and ACTH in the cerebrospinal fluid (CSF) of 11 patients with Cushing's disease, a patient with ectopic ACTH secretion, 34 patients with major depression, and 60 healthy subjects. We elected to measure these peptides not only because both are classically involved in pituitary-adrenal regulation, but also because their primarily arousal-producing and anorexigenic behavioral effects in experimental animals suggest that they may play a role in the symptom complex of depressive syndromes. We also explored whether the CSF levels of these peptides were more helpful in determining the often difficult differential diagnosis between major depression and Cushing's disease than the plasma ACTH response to ovine CRH, a currently used but somewhat insensitive laboratory means of distinguishing these disorders. CSF levels of immunoreactive CRH and ACTH were significantly lower in Cushing's disease patients [21.9 +/- 2.7 and 15.4 +/- 1.8 pg/mL, (mean +/- SEM), respectively] compared to patients with major depression [38.4 +/- 2.3 pg/mL (P less than 0.01) and 24.5 +/- 1.6 pg/mL (P less than 0.01), respectively] and controls [38.4 +/- 1.6 pg/mL (P less than 0.001) and 26.3 +/- 1.1 pg/mL (P less than 0.001), respectively]. The coexistence of high plasma ACTH and low CSF ACTH in Cushing's disease yielded a CSF/plasma ACTH ratio consistently less than that in depressed patients, with only 2 of 31 subjects comprising both groups showing values that overlapped. In contrast, 9 of the combined patients showed ACTH responses to ovine CRH that overlapped. These data suggest that differences in centrally directed CRH secretion may account for the differential presentation of the dysphoric syndromes seen in major depression and Cushing's disease. Hence, the classic form of major depression (melancholia), is often associated with evidence of pathological hyperarousal, such as intense anxiety, sleeplessness, and anorexia, while that of Cushing's disease is associated with evidence of pathological hyperarousal, including hyperphagia, fatigue, and inertia. Moreover, measurement of the CSF/plasma ACTH ratio may serve as a clinically useful adjunct to the ovine CRH stimulation test and other laboratory measures in determining the differential diagnosis between major depression and Cushing's disease.
A radioimmunoassay for measuring 3 alpha-hydroxy-5 alpha-pregnan-20-one in plasma has been developed. Polyclonal antibodies were raised in rabbits against 3 alpha-hydroxy-20-oxo-5 alpha-pregnan-11 alpha-yl carboxymethyl ether coupled to bovine serum albumin. 3 alpha-Hydroxy-5 alpha-pregnan-20-one was purified from either extracts of plasma by high-performance liquid chromatography. These antibodies were then used for the radioimmunoassay of this centrally active progesterone metabolite in rat and human plasma. 3 alpha-Hydroxy-5 alpha-pregnan-20-one was detected in plasma from female rats on the day of estrus (2.0 to 9.3 ng/ml) and in the plasma of women during the luteal phase of the menstrual cycle at levels ranging from 0.25 to 2.5 ng/ml. The latter was highly correlated with plasma progesterone levels.
Disruptive behavior disorders and obsessive-compulsive disorder have been associated with serotonergic dysfunction as well as particular body habitus findings in pediatric patients. Somatostatin, a peptide which stimulates serotonin release and inhibits growth hormone release, was measured in the cerebrospinal fluid (CSF) of 10 children with disruptive behavior disorders and in 10 age-, sex-, and race-matched pairs of obsessive-compulsive disorder patients. Decreased concentrations of somatostatin were found in disruptive behavior disorder patients relative to obsessive-compulsive children, even after controlling for differences in Tanner stage. In contrast to studies in adults, those patients in a depressed state did not have lower CSF somatostatin concentration.
We investigated the psychiatric history of patients with severe Darier's disease and a control group, which consisted of patients with comparably severe dermatologic disorders of keratinization. Three patients with Darier's disease reported either a suicide attempt (one patient) or a specific suicide plan (two), compared with one patient in the control group. Of 11 patients with Darier's disease, 7 had a history of suicidal thoughts, compared with 3 of 11 patients in the control group. Thus suicidal ideation is a potential problem in patients with cutaneous illnesses, particularly those with chronic disfiguring disorders such as severe Darier's disease.
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The authors assessed the mood and cognitive effects of sequential T4, T3, and withdrawal of thyroid hormone replacement on 25 patients who had had thyroidectomies for thyroid cancer. The patients experienced increased sadness and anxiety when they were without medication, but not significant difference in mood was noted between T4 and T3. The patients who experienced increased affective symptoms when not taking medication were more likely to have histories of affective illness or mood lability.
The authors examined the reporting of daily life events by women with prospectively confirmed menstrual-related mood disorder (N = 40) and asymptomatic control subjects (N = 20). During the follicular and late luteal phases of the menstrual cycle, subjects completed a schedule of life events that monitors an individual's perception of 1) the frequency of occurrence of life events and 2) the degree of associated distress or pleasure. The patient group reported significantly more negative life events than the control group. Further, the patients with menstrual-related mood disorder showed significantly more distress associated with the same event when it occurred in the premenstrual phase than when it occurred in the post-menstrual phase.
Glucose tolerance tests (GTTs) were administered to 11 women with premenstrual syndrome (PMS) to ascertain whether the patients had abnormalities of glucose tolerance, to determine whether such abnormalities were related to menstrual cycle phase, and to compare the symptoms during the GTT with the PMS symptoms experienced in the luteal phase. Two GTTs were performed for each patient, one during the late follicular phase and one during the late luteal phase. Although many patients experienced symptoms of hypoglycemia during the GTT, the hypoglycemia symptoms were not specific to the luteal phase and did not resemble the patients' PMS symptoms.
Patients with primary affective disorders, such as melancholic depression and anorexia nervosa, frequently have a hyperactive hypothalamic-pituitary-adrenal (HPA) axis, characterized by hypersecretion of CRH and a blunted ACTH response to exogenous CRH. Premenstrual syndrome (PMS) is a luteal phase dysphoric disorder characterized by primarily affective and behavioral disturbances. HPA axis function was compared in PMS patients and control women, respectively, diagnosed by DSM3-R criteria or found to have no current psychiatric disorders, determined by the Schedule for Affective Disorders and Schizophrenia-Lifetime Interview. Urinary free cortisol excretion was the same in PMS and normal women, and no differences in urinary free cortisol excretion between the follicular and luteal phases occurred in either group. Two HPA axis abnormalities, however, were noted when PMS patients were compared to normal women. First, basal evening cortisol concentrations in plasma were significantly decreased, while the time-integrated response of plasma cortisol to ovine (o) CRH was significantly increased. Second, the negative correlation between time-integrated plasma ACTH and cortisol responses to oCRH and basal luteal progesterone concentrations present in normal control women was not seen in the PMS patients. These changes in basal and oCRH-stimulated plasma cortisol levels in association with normal urinary free cortisol excretion suggest that women with PMS might have transient or episodic disturbances of their HPA axis, which appear adequately corrected by this system's servomechanisms. This probably explains the maintenance of regular menstrual cycles in PMS patients, which contrasts with the irregular menses observed in patients with depression, anorexia nervosa, or women who participate in chronic strenuous exercise.
The immune, neuroendocrine, and central nervous systems are stimulus response systems that are similar in the functions they subserve and tightly integrated in their actions. The reciprocal regulatory effects of these systems provide a basis (but not proof) for the belief that brain-immune interactions are of clinical relevance and not reducible to characteristics of component systems. In this paper, evidence for the integration and mutual regulation of central nervous and immune systems is reviewed. Additionally, behavioral and time-dependent neuroendocrine effects of interleukin-2 are presented in detail.