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At least 19 recordsLinked to original sources
PubMed1992

Periodic leg movements in sleep with restless legs syndrome: effect of clonazepam treatment.

Fifteen patients with restless legs syndrome underwent whole-night polysomnographic recordings before and during clonazepam treatment. The treatment with 0.5 to 1.5 mg clonazepam improved subjective complaints of all the 15 patients. All the patients presented periodic leg movements on the polysomnograms before the treatment. The clonazepam treatment significantly decreased the total numbers of leg movements and the numbers of leg movements per hour without affecting the mean intermovement interval.

Aged↗
PubMed2026

Sleep disturbances in children and adolescents with iron deficiency: Questionnaire-based and actigraphic findings.

OBJECTIVE: Iron deficiency (ID), without or with anemia (IDA), has been linked to restless sleep and sleep-related movement disorders in childhood, but objective correlates are incompletely defined. We aimed to describe caregiver-reported sleep disturbances, restless legs syndrome (RLS) - related symptoms, and actigraphic sleep patterns in children and adolescents with ID/IDA, and to compare these findings with available sleep-asymptomatic control datasets. We finally explored short-term changes after iron supplementation. METHODS: In this single-center pilot observational study, 31 children with ID/IDA underwent baseline clinical/laboratory assessment and caregiver-reported sleep evaluation with the Sleep Disturbance Scale for Children (SDSC) plus RLS-oriented items. Sixteen also completed home actigraphy, and 8 had follow-up after iron treatment prescribed in routine care. Baseline findings were compared with historical healthy control datasets without reported sleep disturbances; iron-status data were not available for the questionnaire control group; within-subject changes were explored in the follow-up subgroup. RESULTS: Compared with healthy controls, the ID/IDA cohort had higher SDSC total scores (43.97&#x202f;&#xb1;&#x202f;9.63 vs 34.61&#x202f;&#xb1;&#x202f;7.50; p&#x202f;<&#x202f;0.001), with significant differences in the subscales difficulty in initiating and maintaining sleep (DIMS), sleep-wake transition disorders (SWTD), and sleep hyperhidrosis (SHY). Ten of 31 screened children (32.25%) had clinically plausible RLS-related symptoms and higher SWTD scores. Actigraphy showed shorter sleep duration, lower sleep efficiency, longer wake after sleep onset, and greater fragmentation. After iron treatment, parent reported restlessness improved, whereas actigraphic parameters showed only partial normalization. CONCLUSIONS: Pediatric ID/IDA was associated with caregiver-reported and actigraphic sleep disruption, characterized by restless and fragmented sleep. These findings support systematic sleep assessment in children with low iron stores and consideration of iron status in the work-up of restless or nonrestorative sleep.

Humans↗
PubMed1976

Polygraphic sleep studies in rats and humans: their use in psychopharmacological research.

The effects of selected centrally acting drugs on sleep after single administration to rats and humans were studied using polygraphic sleep recording techniques. D-Amphetamine, a stimulant, had similar effects in both species: reduction of total sleep time, of N(non-)REM- and particularly REM (rapid eye movement)-sleep, increased restlessness during sleep. The psychodepressants mesoridazine and, in particular, nitrazepam had relatively little effects on sleep stages. In doses which did not cause side effects they reduced restlessness during sleep. The most typical effect of the antidepressant imipramine was a dose dependent reduction of REM-sleep duration in both species, without impairment of NREM-sleep. The central dopamine agonist, bromocriptin, had little effect on sleep and did not reduce total sleep and REM-sleep. These examples suggest that polygraphic sleep studies are a sensitive and stable method for the study of centrally acting drugs. The specificity of the model is illustrated by its ability to differentiate chemically and pharmacologically different drug classes. The validity of the model, i.e., its ability to allow predictions from the laboratory conditions to the therapeutic situation, varies in different drug classes. Investigations in normal subjects and animals appear to be relevant for the study of CNS-stimulants, whereas for CNS-depressants studies in sleep-disturbed subjects or animals are more likely to provide dependable results.

Adult↗
PubMed1992

Clinical correlates of response to DST. The Dexamethasone Suppression test in depression: a World Health Organisation collaborative study.

From 9 centres 293 patients took part in the WHO-collaborative study on Dexamethasone-Suppression-Test (DST) in depression to examine the relationship of psychopathological and psychiatric history information to cortisol-levels and suppression/non-suppression status. Differences between the centres were large and significant on nearly all of the measures. The predictor analyses generally suffered from numerically weak correlations with many variables correlating to sex and age. Therefore analyses of the data were adjusted for centre-, sex-, and age-influences. The best predicting features of cortisol were 'fitful, restless sleep', 'change of bodyweight' and 'affective disorders in blood relatives'. The last 2 items together with 'hypersomnia' and 'ideas of insufficiency' were the best predictors of suppression/nonsuppression status. However, statistical evidence did not seem to be strong enough to describe a typical symptom profile of a depressive cortisol suppressor or nonsuppressor.

Age Factors↗
PubMed1992

Clinical presentation of PTSD in World War II combat veterans.

Clinicians have increasingly recognized posttraumatic stress disorder (PTSD) among Vietnam veterans, but the disorder may be easily overlooked among World War II combat veterans. The authors review recent studies of PTSD in older veterans and describe five cases that illustrate the diverse clinical presentations of PTSD in this population. Symptoms included anxiety, cognitive and somatic complaints, depression, alcohol dependence, and amnestic periods. Despite the varied presentations, a fairly consistent patient profile emerged. Patients avoided reminders of war, showed an exaggerated startle response, and experienced restless sleep and chronic anxiety. Factors associated with exacerbations of symptoms were retirement and reminders of war experiences. Although past studies have emphasized resuppression of the trauma, the authors encourage a flexible approach to treatment, including exploratory techniques.

Adaptation, Psychological↗
PubMed1992

Sleep disorders in geriatric patients.

The elderly have more organic sleep problems disturbing sleep and contributing to insomnia than younger individuals. The most common disorders afflicting the elderly are obstructive sleep apnea, restless legs syndrome, and nocturnal myoclonus. Poor sleep habits often aggravate or contribute to the ongoing difficulty with sleeping. In the depressed elderly, characteristic EEG changes occur that may help distinguish major depression from pseudodementia; however, it should be considered that pseudodementia may be a harbinger of primary dementia. A careful sleep history and often evaluation by polysomnography are central to the management of sleep problems in the elderly. In conjunction with treatment of any underlying organic sleep disorders, brief administration of short-acting benzodiazepine sedatives for sleep onset insomnia or rapid-acting intermediate half-life benzodiazepines for sleep maintenance insomnia can be quite helpful in the elderly, especially if behavioral techniques also are employed. Elimination of medications, alcohol, and caffeine, which disturb sleep, is also an important part of the treatment approach.

Aged↗
PubMedDate not supplied

[Sleep induction].

Physiological sleep induction is a fragile phenomenon which may be altered by environmental factors and various somatic and psychiatric disorders. Therefore sleep induction disorder is a common component of different types of insomnia, including sleep-onset insomnia and to a lesser degree multiple awakenings insomnia and early morning awakening insomnia. The treatment of sleep induction disorders is difficult and requires a precise analysis of the disorder and its aetiological factors. Specific treatment of aetiological factors is more likely to be efficacious in the long term than pharmacological sleep induction (eg: psychiatric disorders, sleep apnea syndrome, restless leg syndrome, periodic movements in sleep, disorders of the sleep-wake schedule...) when the use of hypnotic drugs is necessary agents not altering sleep architecture are preferred. Non-pharmacological methods could be used to induce sleep because they provide a better long term efficacy: sleep hygiene, relaxation techniques, biofeedback technique, psychotherapeutic techniques. Recently, some authors stress the use of treatment by restriction of time in bed and stimulus control treatment.

Anti-Anxiety Agents↗
PubMed1992

The treatment of the restless leg syndrome with or without periodic leg movements in sleep.

There are presently three main treatments for restless leg syndrome-periodic leg movements in sleep (RLS-PLMS). The benzodiazepines (especially clonazepam) are considered by most clinicians to be the treatment of choice in mild cases, especially in young subjects. In our experience, however, L-dopa and bromocriptine are more effective treatments, although no controlled studies have ever been conducted to compare their therapeutic benefits and the side effects of benzodiazepines and dopaminergic drugs. The use of opioids should be restricted to patients who have severe symptoms and who fail to respond to benzodiazepines or L-dopa. Propoxyphene was found less effective than L-dopa in decreasing PLMS, but some patients resistant to L-dopa may exhibit a masked therapeutic response to opioids. However, there is currently no method to predict the response to any treatment modality.

Anti-Anxiety Agents↗
PubMed1975

Weight gain and the sleeping electroencephalogram: study of 10 patients with anorexia nervosa.

The relation between reduced nutritional intake, with consequent weight loss, and sleep disturbance was studied by comparing certain sleep encephalogram patterns in a group of inpatients with anorexia nervosa before, during, and after a regimen of refeeding with a normal diet to a matched population mean weight. At low body weights patients had less sleep and more restlessness, especially in the last four hours of the night. During refeeding and weight gain slow-wave sleep initially increased and then tended to decrease during the final stage of restoration of weight back to matched population mean levels. With the overall weight gain, however, there was a significant increase in length of sleep and rapid eye movement sleep, the latter increasing especially during the later stages of weight gain. These results reaffirm that insomnia, and especially early morning waking, is associated with low body weight in anorexia nervosa, and their implications are discussed with particular reference to a hypothetical association between various anabolic profiles and the need for differing components of sleep.

Adolescent↗
PubMedDate not supplied

[The diagnostic approach to and clinical study of 23 children with an obstructive sleep apnea syndrome].

23 children, aging from 3 to 13 years, affected by chronic upper airway obstruction, were studied. The clinical suspicion was "obstructive sleep apnea" (O.S.A.). In this study was found a significantly different frequency, in O.S.A. group, if compared with controls, of the following symptoms: nocturnal snoring (100%), mouth breathing when awake (69%), and during sleep (91%), abnormal restless movements (69%), behavioral disturbances (60%). Clinical evaluation revealed: pectus excavatum (82%), enlarged tonsils and adenoids (82%), failure to thrive (39%). Chest index was 0.72 +/- 0.07 significantly higher (p < 0.001) than controls. The authors also carried out in all patients and controls pCO2 venous blood determination during sleep, to screen subjects with high risk of cardiopulmonary dysfunction. Data obtained showed that threshold value of pCO2 was 45.6 mmHg.

Adolescent↗
PubMed1992

Nonnutritive sucking modulates behavioral state for preterm infants before feeding.

Forty-two pre-term infants were studied to determine the effect of nonnutritive sucking pre-feeding on behavioral state. Infants were randomly assigned to pacifier or rest groups. Pacifiers or rest were given for 5 minutes following routine caregiving and before each of the first 16 bottle feedings. A 12-category scale was used to measure state immediately before the 5-minutes and after. Frequencies of states that precede optimal feedings changed for infants given pacifiers versus rest: alert inactivity (+6 vs. -2), quiet awake (+19 vs. -6), and active awake (-24 vs. +12); infants given pacifiers had more sleep and fewer restless states. Group differences were non-significant before nonnutritive sucking (p = 0.16) but significant after (p = 0.00001). When self-regulatory feeding policies based on early hunger cues are not allowed, nonnutritive sucking for 5 minutes pre-feeding is simple, brief, and appropriate for busy intensive care units. These findings confirm those from earlier less conclusive research and indicate that nonnutritive sucking modulates behavioral state.

Feeding Behavior↗
PubMed1992

[Arterial hypertension. Prevention in infants with congenital urinary tract malformations].

Eighty-nine newborns and infants with congenital urinary tract malformations were treated in the childrens' hospital of the Westfälische Wilhelms-University from 1986 to 1989. Twenty patients of this group (22.5%) developed severe hypertension requiring treatment within the first year of life. Mean age of diagnosis of hypertension was 5 months (range 0.5-12 months). Median values for blood pressure at time of diagnosis were 138 mmHg (range 120-170) for systolic and 92 mmHg (range 80-110) for diastolic values. Six patients showed characteristic symptoms for hypertension such as restlessness, sweating and sleep disorders. Plasma levels of renin were obtained in 12 of 20 patients. Five patients had raised plasma renin levels. All patients with a severe hypertension were treated with one to several antihypertensive drugs. Risk factors for the development of severe renal hypertension in early infancy are cystic renal malformation, vesico-ureteral reflux, obstructive uropathy and to our experience also short term percutaneous nephrostomy in obstructive uropathy in particular in connection with pyelonephritis. Hypertension can still appear after the successful surgical correction of urinary obstruction. We describe the group of patients with severe hypertension in our study group; diagnostic principles and our therapeutic approach are explained. We conclude that early diagnosis of severe hypertension and consecutive treatment are important in infants with congenital urinary malformations.

Antihypertensive Agents↗
PubMed1978

The immediate effects of intravenous specific nutrients on EEG sleep.

This study examined the immediate influence of intravenous amino acids and glucose on sleep as measured by all-night EEG recording. The study on 9 normal female subjects was of a latin-square design. Slow wave sleep (SWS) was increased by both solutions whilst dream sleep (REM) was decreased by amino acids and increased by glucose. Total sleep time was not affected. Subjective feelings as to restlessness, quality and depth of sleep under the impact of the various solutions were gathered. The work further elucidates the effect of nutrition on sleep and supports certain theories as to the function of the main sleep component.

Adult↗
PubMed1992

Management of the 10 most common sleep disorders.

The most common sleep disturbance is an adjustment reaction to life events and physical illness. Snoring, without sleep apnea, is a problem frequently encountered by primary care physicians. Sleep disturbances caused by behaviors incompatible with sleep require counseling, while sleep disturbances due to psychiatric conditions require treatment of the underlying illness. Sleep disorders caused by alcohol and other drugs are prevalent. Chronic insomnia with no identifiable underlying psychiatric or medical condition is best managed with behavioral therapies. New pharmacotherapies for leg movements or restless legs sensations during sleep appear promising. New therapies are also dramatically effective for obstructive sleep apnea.

Anxiety Disorders↗
PubMed1979

Comparison of I.M. pethidine, diazepam and flunitrazepam as premedicants in children undergoing otolaryngological surgery.

Pethidine 1 mg kg-1, diazepam 0.25 mg kg-1 and flunitrazepam 0.02 mg kg-1 i.m. wer compared as premedicants in a double-blind study in 145 children undergoing otolaryngological surgery. Both flunitrazepam and pethidine had an anxiolytic effect in the children of less than 5 yr whereas diazepam had little effect. All of the drugs were anxiolytic in the children aged 5 yr and older. Sleep following thiopentone was restless more often in the younger than in the older children. Cardiovascular responses to thiopentone and to tracheal intubation were most obvious following benzodiazepines in children of less than 5 yr. After anaesthesia 10--33% of the older children could not recall pictures shown to them before anaesthesia. Forty-five (+/-SD 13) min after injection, the concentration of diazepam in serum was similar in both age groups; after 90 min it decreased in the younger and increased in the older children. All concentrations of flunitrazepam were significantly greater in the older compared with the younger children.

Adolescent↗
PubMedDate not supplied

Effects of abstinence from tobacco smoking on physiological and psychological arousal levels in habitual smokers.

Effects of abstaining temporarily from tobacco smoking were studied in a group of habitual smokers during a 15-day period, during which they smoked normally for the forst 5 days, refrained from smoking the next 5 days, and smoked again during the last 5 days. Results were evaluated against values obtained in a nonabstaining group of smokers. Adrenaline and noradrenaline excretion decreased, skin temperature increased, and hand steadiness was improved when the subjects stopped smoking. Submaximal, physical work tests were performed once each period. No changes occurred in perceived exertion for abstainers during work, in spite of a reduced heart rate. There were only minor differences between abstaining and smoking subjects with regard to performance in the cognitive tests. Irritation, depression, lack of concentration, sleep disturbances, anxiety, tension, and restlessness were frequently reported as abstinence symptoms. The results indicate a decrease in arousal level during abstinence.

Adult↗