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[Individual characteristics of correction of the cosmonauts' vegetative status with a method of adaptive biofeedback].

The ability of 4 cosmonauts to voluntarily control their physiological parameters during the standing test was evaluated following a series of the adaptive feedback (AF) training sessions. Vegetative status of the cosmonauts during voluntary "relaxation" and "straining" was different when compared with its indices determined before these sessions. In addition, there was a considerable individual variability in the intensity and direction of the AF effects, and the range of parameters responding to AF. It was GCR which was the easiest one for the AF control.

Adaptation, Physiological↗

Bringing the feet in from the cold: thermal biofeedback training of foot-warming in Raynaud's syndrome.

The biofeedback-assisted treatment of a case of Raynaud's syndrome was examined in order to determine the relationship between learning of the hand-warming response and the subsequent ability to produce foot-warming responses. It was found that fluctuations in dermal hand and foot temperatures were not significantly related, either within or across treatment sessions. The obtained hand-warming response was of high magnitude and rapidly learned, while the foot-warming response was more modest and took substantially more trials to learn. These results indicate that an easy generalization of the hand-warming response cannot be assumed.

Adult↗

Stress management at the worksite for hypertension: compliance, cost-benefit, health care and hypertension-related variables.

The blood pressure-lowering effects of a group stress management program conducted with hypertensive employees at the worksite were assessed and replicated. Both systolic (SBP) and diastolic (DBP) blood pressure were significantly reduced from a baseline period to the end of a 10-week stress management training period (Group T1, N = 22). A control Group, T2 (N = 18), showed no significant SBP and DBP reduction over a comparable time period. When Group T2 was then given stress management training, the resulting SBP and DBP reductions were significant. When BP was recorded 3 years later, there were significant reductions for both SBP and DBP. Thirty percent of the subjects who had a medication regimen responded with BP judged to be a clinically significant reduction. The frequency of relaxation practice and the amount of BP reduction achieved during relaxation practice were significantly correlated with BP reduction after the stress management program. It was also found that the stress management program lowered health care costs and increased health supportive behavior.

Adult↗

Nonpharmacologic control of essential hypertension in man: a critical review of the experimental literature.

Many nonpharmacologic (behavioral) techniques are being proposed for the therapy of essential hypertension. The research in this area is reviewed and divided roughly into two categories: the biofeedback and relaxation methodologies. While feedback can be used to lower pressures during laboratory training sessions, studies designed to alter basal blood pressure levels with biofeedback have not yet been reported. The absence of evidence for such changes through biofeedback limits the usefulness of this technique in hypertension control. The various relaxation methods, such as yoga, transcendental meditation, progressive muscle relaxation, and others have shown more promise. With varying degrees of experimental vigor, many of these techniques have been associated with long-lasting changes in blood pressure. The strengths and weaknesses of the various authors' research designs, data and conclusions are discussed, and suggestions for further experimentation are offered.

Autogenic Training↗

The effect of demands for honesty on the efficacy of the Carleton Skills-Training program.

30 low hypnotizable Ss were administered the Carleton Skills-Training (CST) program. Prior to testing, 15 Ss were administered honesty instructions (Bowers, 1967) in an effort to encourage responses that were consistent with subjective experiences and to dissuade Ss from performing in a manner intended to please E. Posttraining hypnotizability scores for Ss given honesty instructions were consistently smaller than those for 15 Ss who did not receive these instructions, implying that scores for the latter group exaggerate the extent to which hypnotic experiences are altered by the CST program. The pattern of results supports the view that demand characteristics contribute to the efficacy of the CST program, and that improvements in actual hypnotic talent are more limited than Spanos' original work implies.

Adolescent↗

Long-term effects of a complex behavioral treatment of essential hypertension.

A multidimensional behavioral program was developed for the treatment of essential hypertension. Over a course of 6 weeks, 108 patients of a rehabilitation center were treated with this program consisting of health education, self-monitoring of blood pressure, relaxation techniques, and a social skill training in addition to standard medical treatment alone. Blood pressure and other cardiovascular risk factors were monitored for a period of 12 months. Blood pressure levels became normotensive in both groups at the end of the 6-week training program. However, the blood pressure reduction in the behavioral treatment group was achieved with fewer patients taking antihypertensive medication than in the control group. The number of patients taking antihypertensive drugs in the treatment group was 60.2% prior to treatment and 44.4% after treatment; figures for the control group were 68% and 73.8%, respectively (p less than or equal to 0.01). Almost identical data were obtained at the 6- and 23-month follow-up examinations. No consistent changes were observed in weight, smoking, or blood lipids. These results demonstrate beneficial and long-lasting effects of a combined medical and psychologic treatment of essential hypertension as compared to medical treatment alone.

Adult↗

Myofeedback: a new method of teaching breathing exercises in emphysematous patients.

The diaphragm of the emphysematous patient is low and limited in its excursions, producing an increased functional residual capacity and decreased pulmonary ventilation. This report describes our experiences with a new technique for 1) the training of abdominal-diaphragmatic (A-D) breathing and 2) the relaxation of accessory respiratory muscles in emphysematous patients. Abdominal muscle contraction during expiration has been shown to increase diaphragmatic excursions and, hence, pulmonary ventilation. Use of this technique has been limited, however, because of the difficulty in learning this breathing pattern. Through continuous audio and visual feedback of myoelectric potentials (myofeedback) from abdominal muscles, 12 patients learned A-D breathing. The lower rectus abdominis muscle was found to be the most suitable muscle for obtaining the myoelectric potentials. Similarly, by providing the patients with myofeedback from their accessory muscles, they decreased the use of these muscles, thus increasing their respiratory efficiency. With myofeedback, patients appear to learn new breathing patterns effectively and in fewer sessions than with conventional procedures.

Abdominal Muscles↗

Rhythmical changes of the cutaneous blood flow in the forehead region under the condition of hypnoid relaxation.

BACKGROUND: A characteristic and stable blood flow rhythm can be detected for the skin of the forehead and ear lobes with frequencies of approx. 0.15 Hz (9/min), which were primarily not related to the respiratory rhythm. PATIENTS AND METHODS: The perfusion of the skin in the forehead region was investigated non-invasively with laser Doppler fluxmetry in ten healthy subjects before and during Hypnoid Relaxation (HyR). The HyR-state was induced by suggesting formulas regarding to the well known Autgeneous Training. RESULTS: In all test subjects rhythmical fluctuations of bloodflow with a frequency of approx. 0.15 Hz could be observed both, before and during HyR. We found that the amplitude of these fluctuations clearly (> 20% from individual baseline) increased in five of ten test subjects under the condition of HyR. Furthermore, in three of ten cases the spontaneous respiration under HyR adjusted to the frequency of the described bloodflow rhythm, which exists both, before and during HyR. CONCLUSIONS: These phenomena suggest an individually stabil and autonomous rhythm which is effected by alterations in the level of conciousness and which may be caused by the close linkage between the nerval structures for control of respiratory and circulatory systems. May be, this autonomic rhythm could be used as a trigger for breathing therapies or as a parameter for the impact of relaxation techniques on hemodynamics, e.g. in complementary therapy of vascular diseases like systemic sclerosis.

Adolescent↗

Predictors of response to a behavioral treatment in patients with chronic gastric motility disorders.

Chronic gastric motility disorders have proven intractable to most traditional therapies. Twenty-six patients with chronic nausea and vomiting were treated with a behavioral technique, autonomic training (AT) with directed imagery (verbal instructions), to help facilitate physiological control. After treatment, gastrointestinal symptoms decreased by >30% in 58% of the treated patients. We compared those improved patients to the 43% who did not improve significantly. No significant differences existed in baseline symptoms and autonomic measures between both groups. However, baseline measures of gastric emptying and autonomic function predicted treatment outcome. Patients who improved manifested mild to moderate delay in baseline gastric emptying measures. The percent of liquid gastric emptying at 60 mins and the sympathetic adrenergic measure of percent of change in the foot cutaneous blood flow in response to cold stress test predicted improvement in AT outcome, with clinical diagnostic values of 77% and 71%, respectively. We conclude that AT treatment can be efficacious in some patients with impaired gastric emptying and adrenergic dysfunction. More work is warranted to compare biofeedback therapy with gastric motility patients and controls in population-based studies.

Adult↗

Effectiveness of a stress management program for family caregivers of the elderly at home.

The aim of this study is to investigate the efficacy of a structured intervention program in emotional and physical states of family caregivers for elderly. This program is a series of five weekly 90-minute sessions including psycho-education, problem-solving techniques, and relaxation training. Subjects were 56 primary caregivers looking after relatives with dementia or disability at home. Psychological inventories, i.e., Profile of Mood States (POMS) and General Health Questionnaire30 (GHQ-30) were administered at the period of 4 weeks before, pre-, post-intervention, and 2 months after intervention. They were taken a blood sample to measure natural killer (NK) cell activity at the 4 weeks before, pre-, and post-intervention. In the waiting list control group, there was no change in the POMS, the GHQ-30 and NK cell activity. The scores for depression, anger-hostility, tension-anxiety, confusion (POMS), and general illness, social dysfunction, anxiety and dysphoria, suicidal depression (GHQ-30) at the post-intervention decreased significantly when compared with pre-intervention scores. Moreover, there was persistence of the improvement during two months after intervention. Post-intervention NK cell activity was significantly higher than the pre-intervention. These results indicated that our program was effective in managing the stress of family caregivers.

Affect↗

A programme for the treatment of severe dental fear. Report of three cases.

This paper describes the use of a sequence of recollection and discussion, training in muscle tone control, dental imagery, audio simulation and graded re-exposure to dental procedures to eliminate a severe fear of dental treatment in three adult female patients. All three patients had abstained from regular dental visits throughout their lives and all were in need of urgent dental treatment when the therapy began. One of the patients also identified in herself other maladaptive behaviour and reported a history of mood disorder as well. The recollections of these patients reveal that the aetiology of dental fear is more complex than dental questionnaires would indicate and, in particular, they supply further evidence of the capacity for adverse medical events to initiate this fear. Although the programme specified in this paper yielded good results, it nonetheless has a number of shortcomings. It is time consuming, dental damage is likely to be well advanced when it commences and it attracts very few patients. Thus those afflicted with severe dental fear are effectively destined for only emergency dental visits and eventually are likely to be edentulous. For this reason every possible precaution against the initiation of dental fear should be taken.

Adult↗

Psychophysiological aspects of increasing resistance to space motion sickness.

One of the actual and difficulty solved problems of the adaptation period to microgravitation is space motion sickness (MS) that has the negative influence on well-being and performance of crewmembers in the initial and highly crucial phase of the orbital flight. Among the prophylactic measures for decrease of the unfavourable influence of space MS the preflight training is of great importance, and its role in perspective undoubtedly will grow in connection with increase of the number of crewmembers. During the last years several authors received experimental materials evidenced that as a base of more effective increase of resistance to space MS there may be used adequate modelling of the main physiological effects of the adaptation period to microgravitation. In the most investigations the main attention is paid to modelling of "conflicting" vestibular-visual (VV) impacts. In other hand, in connection with the contradictory materials about the role of hemodynamic component in the development of space MS this effect of microgravitation conditions, as a rule, is not modelled in the methods of resistance enhancement to space MS. Hence in this work there was put a task to investigate the efficiency of application of different combination of VV-impacts and creation of redistribution of liquid medium of an organism in the cranial direction for increase of man resistance to space MS. For resolving this task there was used the specially developed stand, made in two modifications. This stand provided redistribution of liquid medium of an organism in the cranial direction by putting the investigated individual into the antiorthostatic position (AOP). During the rotation around the vertical axis individual was placed in such supine position on the turn table that labyrinth of the inner ear should be displaced by 8-10 centimeters from the axis of rotation to the head edge of the turn table. This increased the adequacy of vestibular apparatus irritation by gravitation and inertia forces with regard to microgravitation conditions.

Adaptation, Physiological↗

Relaxation therapy in the treatment of hypertension. A review.

The literature on the use of relaxation or relaxation-like procedures (relaxation therapy) in the treatment of hypertension was critically reviewed. Relaxation therapy resulted in greater reduction of blood pressure than placebo or other control procedures. A positive relationship was found between the average blood pressure decrease and the average pretreatment pressure. Relaxation-like therapies shared the features of muscular relaxation, regular practice, mental focusing, and task awareness. Research on the relative contributions of these components indicated that task awareness adds to the treatment effect in the laboratory setting, and that regular practice is necessary for optimal results in the clinical setting. The role of muscular relaxation and mental focusing is unclear. We concluded that relaxation therapy may become a useful adjunct to medication in the clinical management of hypertension, especially for individuals whose blood pressures remain high despite pharmacological treatment.

Antihypertensive Agents↗

Clinical follow-up: treatment and outcome of functional headache patients treated with biofeedback.

Sixteen diagnosed functional headache patients treated with biofeedback techniques of frontalis EMG feedback and/or peripheral temperature feedback, with an average headache history of 18.2 years, were evaluated at an average interval of 37 weeks posttreatment. On the average, patients showed further improvement in their headache status as measured by average daily headache pain scores in contrast with termination values. Data were obtained via structured interviews conducted by an individual not involved in patient's treatment. Patients on the average showed declines in frontalis EMG during the follow-up sessions, but not increases in temperature as had been expected. The unclear role played by increasing peripheral temperature in follow-up of migraine patients is discussed.

Adult↗

Pilot evaluation of hypnosis for the treatment of hot flashes in breast cancer survivors.

This single arm, pilot study investigated the use of hypnosis to reduce hot flashes in 16 breast cancer survivors. Each patient provided baseline data and received 4 weekly sessions of hypnosis that followed a standardized transcript. Patients were also instructed in self-hypnosis. Throughout the clinical care, patients completed daily diaries of the frequency and severity of their hot flashes. Patients also completed baseline and post-treatment ratings of the degree to which hot flashes interfered with daily activities and quality of life. Results indicated a 59% decrease in total daily hot flashes and a 70% decrease in weekly hot flash scores from their baselines. There was also a significant decrease in the degree to which hot flashes interfered with daily activities for all measures including work, social activities, leisure activities, sleep, mood, concentration, relations with others, sexuality, enjoyment of life, and overall quality of life. This pilot study suggests that clinical hypnosis may be an effective non-hormonal and non-pharmacological treatment for hot flashes. A randomized, controlled clinical trial is planned to more definitively elucidate the efficacy and applicability of hypnosis for reducing hot flashes.

Activities of Daily Living↗