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At least 1,009 records · Page 56Linked to original sources
PubMed1996

HIV risk among Latino gay men in the Southwestern United States.

Using two different methods-bar and community household sampling-159 Latino gay men were recruited in the city of Tucson, Arizona. In addition to demographics, the study questionnaire assessed participants' sexual activity during the last 30 days with primary and nonprimary partners, condom use in the last year, and eight psychosocial constructs that have been predictive of HIV risk in different studies of (mostly white) gay/bisexual men. Questionnaires were available only in English; this Latino sample is thus likely to overrepresent highly acculturated, English-speaking men. Results show that 22% of the sample engaged in unprotected anal intercourse with nonmonogamous partners during the last 30 days; 51% of the sample reported at least one instance of unprotected anal intercourse during the last year. Of those men who practiced any anal intercourse during the last 30 days, 67% practiced unprotected anal intercourse with primary partners and 44% practiced unprotected intercourse with casual partners. Thus, the majority of Latino gay men who practiced anal intercourse in the month prior to the interview were not using condoms. Men who practiced unprotected intercourse with nonmonogamous partners reported lower annual incomes and were less educated. Two cognitive variables (behavioral intentions and perceptions of self-efficacy and self-control) and two behavioral variables (sex under the influence of alcohol and/or drugs and sex in public environments) emerged as the most important correlates of HIV risk.

Adult↗
PubMed1996

AIDS-relevant condom use by gay and bisexual men: the role of person variables and the interpersonal situation.

This study examined the relative ability of selected person variables (interpersonal self-efficacy, self-control, attitudes about the effect of condoms on sex, normative beliefs) and interpersonal-situational variables (partner preference, partner serostatus) to explain gay and bisexual males' (N = 267) condom use during insertive and receptive intercourse. Partner preference accounted for a large amount of variance in condom use by itself and when controlling for the effects of the remaining variables. Exploratory hierarchical regression analyses suggested that the receptive partner's preference influenced condom use decisions to a greater extent than did the insertive partner's. Partner serostatus alone explained little variance in condom use. However, partners serostatus interacted with subject serostatus such that dyads with concordance serostatus (i.e., both partners HIV positive or both HIV negative) used condoms the least, and dyads with discordant serostatus used condoms the most. Results suggest that the interpersonal situation plays an important role in condom use decisions.

Acquired Immunodeficiency Syndrome↗
PubMed1996

[Mechanism of aspartic proteinase action. I. Theory and method].

Starting from experimental results and contemporary theories of biocatalysis, stereochemistry of aspartic protease functioning was discussed. A general theory of biocatalysis was suggested, which is based on the structural and functional organization of enzyme and substrate molecules and allow a quantitative description of a catalytic act as a continuous, spontaneous, and self-controlled process.

Aspartic Acid Endopeptidases↗
PubMed1996

[Formation of a unified system of mental regulation of activities and functional state of the flyer during effects of piloting strain].

The article describes the method of improving professional dependability of pilot impacted by aerobat g-loads through formation of a unified system for psychic regulation of his activity and status of the psychological function in the process of training on flight simulator. To this end, the simulator was retrofitted with an adaptive training circuit to establish functional and correction feedback by changing the intensity of display brightness proportionally to the degree of "g-load" and effectiveness of countermeasures applied to simulate visual disorders due to hypergravity. Data from real flights with high aerobat g-loads proved effectiveness of the proposed training scenarios as judged by increased probability of administration of breathing (0.9 vs. 0.4) and muscular (1.0 vs. 0.8) countermeasures by members of the experimental group against their controls. Besides, the trained pilots had no visual disorders, whereas this was the case in 28% of their controls. Possible mechanisms of how to form a unified system for psychic regulation in which implementation of a task is kept under permanent conscious control and self-control of the psychological function is essentially accomplished on the level of automated habits are the subject of the authors' discussion.

Aerospace Medicine↗
PubMed1996

Adolescent aggression and imagery: contributions from object relations and social cognitive theory.

Object relations and social cognitive theory can be combined with the use of imagery in a self-control program with aggressive adolescents. Object relations provide a rationale for merging fantasy and reality processes while social cognitive theory (and its operationalization through cognitive behavioral therapy) provides a general framework in which behavioral and cognitive change techniques are utilized. This is embedded in a developmental paradigm that promotes the integration of the past, present, and future as a means of encouraging developmental maturity and identity. A case study demonstrates how the elaborated procedure of imagery manipulation can effectively alter behavior in a relatively brief time. While concerns remain regarding the amalgamation of psychodynamic and cognitive theories, the theories can give rise to a judicious blending of techniques that appear to have good effect in the case described.

Adolescent↗
PubMed1977

On Kibarashi-gui (binge eating).

The authors presented 16 cases that displayed episodes of pathological over-eating, i.e. kibarashi-gui (binge eating). The cases were divided into three groups, and symptomatology of the eating bouts and associated psychiatric symptoms were described. Constellations of symptoms differed from group to group. The first group, Group A, was concluded as the pure kibarashi-gui (binge eaters), and Group B can be regarded as a variant of anorexia nervosa. Discussion was focused on the similarities and differences between kibarashi-gui and anorexia nervosa. Kibarashi-gui is explained as a defeat of self-control or competition. Discussions on the origin of the sex difference of eating disorder were done. And, the concept of slimness or beauty in women was assumed as the most important factor in eating disorders.

Adolescent↗
PubMed1994

Theoretical approaches to behavior change in myofunctional therapy.

The effectiveness of myofunctional therapy depends not only on the quality of the individual exercises but also considerably on the patient's compliance. In this paper, factors are described which may decisively influence patients motivation to cooperate during treatment. Based on experience in dealing with patients, clinical studies and psychological knowledge, theoretical approaches to patient motivation are discussed, namely aspects of verbal communication, control, reward, behavior agreement as well as verbal self-control and self-reward.

Behavior Therapy↗
PubMedDate not supplied

Mantoux test site granuloma: an appraisal of the diagnostic value in sarcoidosis.

Out of 146 cases, 92 (64%) cases with active sarcoidosis showed granulomas in biopsy at 4-6 weeks after Mantoux test (MT). No granuloma was seen in anyone of the 162 sites injected with other allergens in 27 of MT site positive cases, serving as self-control. False positive biopsies were not seen. Another control group of 40 patients with other respiratory disorders like tuberculosis failed to produce any granulomatous response at the site of MT. Mantoux test site biopsy may prove a valuable diagnostic test in sarcoidosis in India.

Biopsy↗
PubMed1997

Effect of an omega-3/omega-6 fatty acid-containing commercial lamb and rice diet on pruritus in atopic dogs: results of a single-blinded study.

A commercial, lamb and rice, dog food with an omega-6:omega-3 fatty acid ratio of 5.5:1 was fed in a single-blinded, self-controlled clinical trial to 18 atopic dogs. The pruritus in 8 of these dogs (44.4%) was satisfactorily controlled within 7 to 21 d, returned within 3 to 14 d after the diet was withdrawn, and was again controlled when the diet was reinstated. Plasma and skin levels of examined fatty acids changed in all 18 dogs when their diet was switched to the test diet. Dogs responding to the test diet had a different pattern of fatty acid change as compared to the dogs which failed to respond to the diet, suggesting that there are subsets of atopic dogs with different fatty acid metabolism capabilities.

Animals↗
PubMed1996

Regulation of energy balance and adiposity: a model with new approaches.

Obesity etiology and treatment have been fraught with disappointment for researchers, because the mechanisms regulating fuel homeostasis and adiposity are incompletely understood. It can now be hypothesized in the light of new evidences that the control of body weight and composition depends upon an axis with three interrelated and self-controlled components: 1) food intake; 2) nutrient turnover and thermogenesis and 3) body fat stores, all of which underly complex feedback mechanisms. This approach considers two of the most relevant recent findings in the field (leptin and beta 3-adrenoceptors), adding new views to previous metabolic models of obesity. This perspective supplies some additional clues to the understanding of body composition regulation as well as the potential involvement of genetic and hypothalamic disorders in the onset of obesity.

Adipose Tissue↗
PubMed1997

[Clinical study of severe anorexia nervosa: the role of intravenous hyperalimentation therapy].

In order to understand the psychopathology of severe anorexia nervosa (AN), and determine appropriate therapeutic approaches, a clinical study was conducted on 13 patients with severe AN who were hospitalized and were treated with intravenous hyperalimentation (IVH). The patients were divided into three types based on their clinical symptoms and initiating factors: Type I (Restricting Type; "Non-dieters"), Type II (Restricting Type: "Dieters"). Type III (Binge-eating/Purging Type). The clinical features of each type were evaluated. Based on this evaluation, the basic approach and the role of IVH in the treatment of each type are described as follows. Type I: The patients experience loss of appetite and subsequently, suffer involuntary weight loss as a result of psychological or physical stresses at school and/or home. Since the patients do not intentionally restrict food intake, they cannot explain the loss of appetite. The age at onset of this type is the youngest among the three groups. The patients are introverted, passive and not good at expressing their emotions. Therefore, it is often difficult to deepen the emotional commitment further. It is possible to understand the pathology of Type I through the psychosomatic model. IVH therapy promotes benign regression for Type I patients, so that the mother-child relationship may be restored. As the therapeutic progress, the mother child relationship occasionally become ambivalent. In such a case, it is important for the treatment team to support independent activities of the patients. Type II: The patients lose weight by intentionally restricting necessary food intake for reasons such as beauty or sports. Any experience of failure in studies or sports or trouble in complex personal relations can trigger the onset of AN. Weight loss is looked as a great achievement, whereas weight gain is recognized as a serious failure of self-control. Since type II patients understand the necessity of receiving treatment, it is possible to establish a trusting relationship during therapy. Their prognosis is generally good. The psychotherapeutic approach for Type II patients is most effective in the context of a weight gain program utilizing behavior therapy. It is important for the therapist to integrate psychological approach with physiological approach using IVH, and to modify cognitive distortion and body image disturbance. Type III: The patients have regularly engaged in binge eating or purging (or both) in the progress of AN. But as they intensely fear becoming fat, they refuse to maintain a minimally normal body weight. Therefore, they exhibit recurrently inappropriate compensatory behavior in order to prevent weight gain. In the therapeutic sessions, they often become ambivalent and unstable, showing dissatisfaction and reacting strongly against their therapists. The age at onset is the oldest of the three types. The prognosis is not good in many cases. IVH therapy may be required only in life-threatening situation for Type III patients. And severe bulimic patients may require sufficient drug treatment. The patients should be trained for interpersonal relationships at the day care unit or the occupational therapy unit. And they should be encouraged to adapt to real life.

Adolescent↗
PubMed1996

[Evaluation of the accuracy of arterial pressure measurements with different types of devices used for self-monitoring].

The self-control is the important item in hypertension treatment. The results of blood pressure measurements were received by using various types using different of oscillometric equipment (thumb, wrist and arm manket) and compared with the outcomes of mercury sphygmomanometer which was used in the same trial. The satisfactory correlation of results from different types of equipment was confirmed with the exception of the thumb oscillometric apparatus results.

Adolescent↗
PubMed1996

[Fertilization in vitro and embryo transfer by combined long-acting gonadotropin releasing hormone agonist and gonadotropin for superovulation in patients with refractory polycystic ovary syndrome].

OBJECTIVE: To investigate the efficacy of the treatment for polycystic ovary syndrome (PCOS) patients by combined long acting gonadotropin-releasing hormone agonist (GnRHa) and gonadotropin. METHODS: Nineteen women with PCOS who had failed to conceive on treatment with conventional fertilization in vitro-embryo transfer (IVF-ET) protocol underwent 26 cycles of IVF-ET by combined long-acting and gonadotropin stimulation. A self-control group consisted of 19 PCOS women who had received 19 treatment cycles with conventional IVF-ET stimulation protocol more than 6 months previously. RESULTS: A comparison of these two groups showed that treatment with combined long-acting GnRHa and gonadotropin improved the in vitro fertility rate (76.2%) and pregnancy rate (38.5%). CONCLUSION: Patients with refractory PCOS should be referred for IVF-ET, using long-acting GnRHa before gonadotropin as the stimulation protocol.

Adult↗
PubMed1997

Effect of progesterone therapy on arginine vasopressin and atrial natriuretic factor in premenstrual syndrome.

OBJECTIVES: To explore the possible role of natriuretic peptides and vasopressin in luteal phase fluid retention in premenstrual syndrome (PMS) and to determine the effect of progesterone therapy on these hormones. DESIGN: Self-controlled prospective study. SETTING: University-based medical research centre. PATIENTS: Six patients with PMS were studied during the symptomatic luteal and asymptomatic follicular phases. The follicular phase response was used as the control for each subject. INTERVENTIONS: An intravenous infusion of 3% saline solution was administered on an early follicular and a late luteal phase day in 2 menstrual cycles. Progesterone was administered orally during the second luteal phase. OUTCOME MEASURES: Osmolality, arginine vasopressin (AVP), atrial natriuretic factor (ANF), and brain natriuretic peptide (BNP) levels in plasma, osmolality, sodium, potassium, cyclic adenosine monophosphate (cAMP) and cyclic guanosine 5'-phosphate (cGMP) concentrations in urine, and thirst sensation. RESULTS: Mean basal plasma ANF and osmolality levels and the threshold for AVP release and thirst were lower, and mean urinary cyclic nucleotide levels and AVP sensitivity (amount of AVP secreted per unit rise in plasma osmolality) were higher, in the luteal phase than in the follicular phase. With saline loading, there was an increase in plasma osmolality, AVP and ANF and in urinary sodium and cyclic nucleotide levels. Plasma ANF and osmolality levels remained lower in the luteal phase compared with the follicular phase, but AVP levels at the end of the saline infusion were higher in the luteal phase than in the follicular phase. Progesterone therapy caused an increase in plasma ANF and osmolality levels and the AVP threshold and a decrease in AVP levels and sensitivity and urinary cyclic nucleotide levels. BNP levels did not change with phase or treatment. The differences in AVP threshold with phase and treatment were statistically significant (p < 0.001). There was a significant phase effect for plasma ANF (p = 0.02) and a significant or near-significant interaction effect of phase and treatment for plasma ANF (p = 0.06) and urinary cAMP (p = 0.047) and cGMP (p = 0.066). The effect of phase and treatment was not significant for the other measurements. CONCLUSIONS: Luteal phase fluid retention may be due to a relative deficiency of ANF and a lower threshold for AVP release. The symptomatic improvement produced by progesterone treatment may be due to its stimulation of ANF and inhibition of AVP release or synthesis.

Adult↗
PubMedDate not supplied

[Interneuronal relationships in the basolateral amygdala of cats trained for choice in the quality of food reinforcement].

The alimentary instrumental conditioned bar-pressing reflex was elaborated in cats by the method of "active choice" of either short-delayed reinforcement with bread-meat mixture of delayed more valuable reinforcement with meat. The animals differed in behavior strategy: some animals preferred bar-pressing with the long delay (the so-called "self-control" group), other animals pressed the bar with short delay (the so-called "impulsive" group). The multiunit activity in the basolateral amygdala was recorded with chronically implanted nichrome microelectrodes. The interactions between the spike trains of the neighbouring neurons selected from the multiunit activity were evaluated by means of statistical crosscorrelation analysis. It was shown that the number of correlations between the discharges of neurons was significantly higher in the "impulsive" cats. In both groups the number of cross-correlations was maximal in cases of a difficult choice, i.e., during the omission of the conditioned bar-pressing response. In "impulsive" cats the number of interneuronal correlations was highest with the latencies in the range of 0-30 msec. We suggest that the basolateral amygdala is involved in the system of structures which determine the individual-typological characteristics of animals.

Amygdala↗
PubMed1996

[Characteristics of psychosocial nursing care--the dimensions of psychosocial nursing care to promote empowerment among patients].

UNLABELLED: Nurses provide the psychosocial nursing care to promote the patients' empowerment. In spite of recognizing the importance of psychosocial nursing. The research reported here is part of a large study designed to explore the psychosocial nursing intervention strategies. This part of the study is focused on characteristics of psychosocial nursing care as identified by nurses. Research design was descriptive and qualitative. Subjects were a convenient sample of nurses who have more than 5 years experience and agreed to participate in this research. Data was collected through semistructured interviews. Data was recorded on a tape and transcribed, then analyzed based on Grounded Theory Approach. SUBJECTS: The number of subjects consisted of 39 nurses. The average age and duration of clinical experience was 36.6 years old and 12.6 years. RESULT: Sixteen of the characteristics of psychosocial nursing to promote the empowerment among the patients were identified; 1) respect the patients' decision making, 2) clinical judgment from multiple perspectives, 3) predictability, 4) flexibility, 5) classification of the patients by comparison, 6) monitoring, 7) relief from reality, 8) relief from pain and suffering, 9) enhancement of the patients' ego strength, 10) nurture of hope, 11) support individualized daily living styles, 12) encouragement of the patients'own problem solving abilities, 13) respect of individuality, 14) self-utilization, 15) self-control based on professional identity, 16) utilization of team power. DISCUSSION: Nurses choose from the sixteen dimensions of psychosocial nursing and organizing them in order to stabilizing the patients' conditions.

Decision Making↗
PubMedDate not supplied

[An approach to the structuring of printed materials in education technology for the independent study of the pharmacotherapy of emergency states].

In view of the fact that the sources of information (text-books, manuals, monographs) used in higher medical institutions lack a clear-cut system of directing the learning activities of those being thought, we have devised a variant of a manual that stipulates that a goal be defined, the content of pharmacotherapy of urgent states chosen, teaching material organized, a system of individual tasks set, results of learning controlled, auto-education and self-control exercised. The above type manuals are supposed to be a means of directing the activity aimed at learning to apprehend and must be a mainstay in the realization of the programme-deliberate management of quality of training a specialist.

Drug Therapy↗