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PubMed1993

Breastfeeding patterns: comparing the effects on infant behavior and maternal satisfaction of using one or two breasts.

In the Western world advice given by breastfeeding consultants about the use of one or two breasts at each feed has resulted in apparently arbitrary changes over time. This study compared 1-month-old breastfed infants' reactions to single- and two-breast feeds in terms of restlessness, crying, sleeping, and frequency of feeds, wet diapers, and loose stools. Eighty mothers were randomly assigned at the maternity ward, 44 to the single-breast group and 36 to the two-breast group. At one-month follow-up no differences between the groups were seen regarding any infant behavior variables, or in terms of maternal satisfaction, confidence, and mood throughout the full 24-hour observation period or during a 6-hour period in the evening. Compliance with the assigned feeding method was better in the two-breast than in the one-breast group. This may partly be due to tradition, since the two-breast practice has been recommended by child health nurses in Sweden for over 50 years. It seems reasonable that a baby should be allowed to finish the first breast and, if still hungary, be offered the second breast. The baby's appetite is the deciding factor.

Adolescent↗
PubMed2004

Effects of transcutaneous electrical nerve stimulation (TENS) on cognition, behavior, and the rest-activity rhythm in children with attention deficit hyperactivity disorder, combined type.

OBJECTIVE: The aim of this study was to examine the effects of transcutaneous electrical nerve stimulation (TENS) on cognition, behavior, and the rest-activity rhythm in children with attention deficit hyperactivity disorder, combined type (ADHD-CT). METHODS: Twenty-two children diagnosed with ADHD-CT received TENS treatment during 6 weeks, 2 times 30 min a day. Neuropsychological tests were administered to assess cognition, parent/teacher behavioral rating scales were used to measure behavior, and actigraphy was used to assess the rest-activity rhythm. RESULTS: TENS appeared to have a moderate beneficial influence on cognitive functions that load particularly on executive function. There was also improvement in behavior as measured by parent/teacher behavioral rating scales. Moreover, motor restlessness during sleep and motor activity during the day decreased by TENS. CONCLUSIONS: The effects of TENS in children with ADHD are modest but encouraging and warrant further research.

Adolescent↗
PubMed1999

[Pharmacotherapy in bipolar disorder].

In the treatment of manic depressive disorders a distinction is made between acute treatment (combating the mania and the depression) and the maintenance treatment (prevention of subsequent episodes). In both forms of therapy the mood stabilizers are crucial: lithium carbonate, the anticonvulsants carbamazepine and valproic acid. The efficacy of lithium carbonate has been demonstrated in the acute treatment of mania and depression as well as in the maintenance treatment. Carbamazepine may be regarded as a good alternative, especially for the acute treatment of mania and for the maintenance treatment. Valproic acid so far has only be demonstrated to be efficacious in the acute treatment of mania. Monotherapy with a mood stabilizer is a first option, but its insufficient efficacy in many patients nevertheless necessitates a combined treatment, with two or even three mood stabilizers or with a mood stabilizer and other psychoactive agents. In the acute treatment of mania, antipsychotics are indicated in case of a severe or psychotic mania and benzodiazepines in severe disorders of sleep or restlessness. Antidepressants have a role as comedication in the acute treatment of the bipolar depression.

Acute Disease↗
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↗
PubMed2004

The genetics of sleep disorders.

Most sleep disorders result from complex interactions between genes and the environment. Modern molecular techniques are increasingly applied to determine the contribution of genes to sleep and its disorders. The genetic basis of circadian rhythms has been explored using Drosophila and rodent models. This culminated in the identification of the molecular basis of one autosomal dominant form of familial advanced sleep phase syndrome: mutations in the human period 2 gene. Genetic studies in an autosomal recessive canine model of narcolepsy and in gene-targeted mice have identified the hypothalamic hypocretin (orexin) neuropeptide system as a key target for human narcolepsy. In this case, animal models have provided important clues to a human disorder with complex genetics. The study of the role of genes in the obstructive sleep apnoea syndrome is likely to provide important clues to a phenotype associated with respiratory, cardiovascular, and metabolic dysfunction. This brief review will present the role of genetic factors in the obstructive sleep apnoea syndrome, restless leg syndrome, narcolepsy, and circadian rhythm disorders.

Age Factors↗
PubMed2005

Polydactyly in a boy with Smith-Magenis syndrome.

Smith-Magenis syndrome is a microdeletion syndrome involving chromosome 17p11.2. The characteristic features include mental retardation, dysmorphic facial features, minor skeletal anomalies including brachydactyly and behavioural abnormalities, such as disturbed sleep pattern, restlessness and self-destructive behaviour. We present a patient with this syndrome and with six digits on each hand. Polydactyly has not yet been described in Smith-Magenis syndrome as far as we know.

Abnormalities, Multiple↗
PubMed2006

[Possible mechanisms of chronic fatigue syndrome in multiple sclerosis].

One of frequent presentations of multiple sclerosis (MS) is chronic fatigue that may be determined as a subjective decrease of the physic and/or psychic energy level. Fatigue can be divided into asthenia (fatigue in resting state), pathological fatigability (exhaustion during physical loading) and fatigue concomitant with other symptoms (MS exacerbation). There are central as well as peripheral mechanisms of fatigue formation. Frequent is a combination of fatigue and affective disorders in MS, in particular depression, as well as sleep disturbances (insomnia, restless legs syndrome) that may indicate the common origin of their mechanisms, i.e. reduction of serotoninergic and noradrenergic systems activity. Endocrinal and autoimmune components are considered as important in fatigue syndrome formation, the latter exerting more influence on asthenia than on pathological fatigability. Further investigation into pathogenetic mechanisms of asthenia (fatigue in resting state), pathological fatigability (fatigue in active state) and specification of their differential diagnostic features allow not only to understand the essence of this syndrome but to choose an adequate individualized therapy.

Fatigue Syndrome, Chronic↗
PubMed1998

Polysomnographic sleep measures in patients with uremic and idiopathic restless legs syndrome.

In the present study, the nocturnal electroencephalographic sleep pattern, the number of periodic leg movements (PLM) during sleep and wakefulness, and the subjective sleep parameters of patients with uremic (n = 10) and idiopathic (n = 17) restless legs syndrome (RLS) were compared. The main finding was that the total number of PLM (p = 0.019), the PLM index (p = 0.018), and the PLM index while awake (p = 0.003) were significantly higher in patients with uremic RLS compared with patients who had idiopathic RLS. Additionally, both groups showed a distinct time-of-night pattern of PLM activity. Polysomnographic measures of sleep continuity (total sleep time, sleep efficiency, sleep onset latency, time awake) and sleep architecture (amount of nonrapid eye movement sleep stages 1, 2, 3, and 4 and the amount of rapid eye movement sleep) did not differ between uremic and idiopathic RLS patients. With regard to subjective parameters, sleep quality was estimated to be worse in uremic RLS (p = 0.033), whereas other parameters (for example, severity of RLS, quality of life) did not differ between the two groups. It is suggested that uremia itself worsens the motor symptoms of RLS, probably as a result of increased excitability.

Adult↗
PubMed2000

Transverse myelitis associated with restless legs syndrome and periodic movements of sleep responsive to an oral dopaminergic agent but not to intrathecal baclofen.

Periodic limb movement disorder (PLMD) and restless legs syndrome (RLS) are related sleep disorders that occur with increased frequency in spinal cord disease. Effective treatment may be obtained with dopaminergic or opioid drugs, while anticonvulsants, benzodiazepines, and possibly baclofen may be helpful. This report describes a patient who developed RLS and PLMD after acute transverse myelitis associated with infectious mononucleosis, and failed to respond to intrathecal baclofen. All symptoms of RLS/PLMD resolved after treatment with pergolide.

Acute Disease↗
PubMed2005

Practice parameters for the indications for polysomnography and related procedures: an update for 2005.

These practice parameters are an update of the previously-published recommendations regarding the indications for polysomnography and related procedures in the diagnosis of sleep disorders. Diagnostic categories include the following: sleep related breathing disorders, other respiratory disorders, narcolepsy, parasomnias, sleep related seizure disorders, restless legs syndrome, periodic limb movement sleep disorder, depression with insomnia, and circadian rhythm sleep disorders. Polysomnography is routinely indicated for the diagnosis of sleep related breathing disorders; for continuous positive airway pressure (CPAP) titration in patients with sleep related breathing disorders; for the assessment of treatment results in some cases; with a multiple sleep latency test in the evaluation of suspected narcolepsy; in evaluating sleep related behaviors that are violent or otherwise potentially injurious to the patient or others; and in certain atypical or unusual parasomnias. Polysomnography may be indicated in patients with neuromuscular disorders and sleep related symptoms; to assist in the diagnosis of paroxysmal arousals or other sleep disruptions thought to be seizure related; in a presumed parasomnia or sleep related seizure disorder that does not respond to conventional therapy; or when there is a strong clinical suspicion of periodic limb movement sleep disorder. Polysomnography is not routinely indicated to diagnose chronic lung disease; in cases of typical, uncomplicated, and noninjurious parasomnias when the diagnosis is clearly delineated; for patients with seizures who have no specific complaints consistent with a sleep disorder; to diagnose or treat restless legs syndrome; for the diagnosis of circadian rhythm sleep disorders; or to establish a diagnosis of depression.

Chronobiology Disorders↗
PubMed2001

Restless legs syndrome (RLS) and periodic limb movement disorder (PLMD): acute placebo-controlled sleep laboratory studies with clonazepam.

Restless legs syndrome (RLS) - a common sensorimotor disorder - and periodic limb movement disorder (PLMD) are currently treated with substances of four classes: dopaminergic agents, which are considered the drugs of choice, benzodiazepines, opioids and anticonvulsants. As their effects on sleep variables differ considerably, the aim of the present placebo-controlled sleep laboratory study was to measure the acute effects of 1 mg clonazepam on objective and subjective sleep and awakening quality in ten RLS and 16 PLMD patients, utilizing polysomnography (PSG) and psychometry. Descriptive data analysis demonstrated at the confirmatory level concerning three target variables that - as compared with placebo - clonazepam significantly improved objective sleep efficiency and subjective sleep quality in both patient groups, but failed to reduce the index PLM/h of sleep. At the descriptive level, in PLMD clonazepam improved PLM during time in bed, REM and wakefulness and showed more significant changes in various sleep and awakening measures than in RLS patients, though there were no significant inter-group differences. In conclusion, in both PLMD and RLS clonazepam exhibited acute therapeutic efficacy regarding insomnia, which is quite different from the mode of action of dopamine agonists.

Adult↗
PubMed2005

Psychiatric aspects of organic sleep disorders.

In recent years, a number of studies have attempted to characterize psychological disturbances related to various sleep disorders. The objective of this type of research is to investigate the possibility that psychopathology may represent an etiological factor, a complication, and/or a target for treatment. In addition, disordered sleep can present itself in a complex and atypical fashion in which the primary sleep-related component may not be immediately apparent. This article reviews the evidence for a relationship between organic sleep disorders and psychiatric morbidity. Generally, it can be concluded that organic sleep disorders have a profound negative impact on most domains of health-related quality of life. Results for the sleep disorders that have been studied (narcolepsy idiopathic hypersomnia, sleep apnea/hypopnea syndrome, restless legs syndrome, periodic limb movement disorder, and circadian sleep disorders) show strong evidence for an association with mood disorders. After treatment, depression scores may or may not improve to the level of population norms, suggesting that this relationship is more complex than one of mere cause and effect.

Humans↗
PubMed1994

Synthetic food coloring and behavior: a dose response effect in a double-blind, placebo-controlled, repeated-measures study.

OBJECTIVE: To establish whether there is an association between the ingestion of synthetic food colorings and behavioral change in children referred for assessment of "hyperactivity." PARTICIPANTS: From approximately 800 children referred to the Royal Children's Hospital (Melbourne) for assessment of suspected hyperactivity, 200 were included in a 6-week open trial of a diet free of synthetic food coloring. The parents of 150 children reported behavioral improvement with the diet, and deterioration on the introduction of foods noted to contain synthetic coloring. A 30-item behavioral rating inventory was devised from an examination of the clinical histories of 50 suspected reactors. Thirty-four other children (23 suspected reactors, 11 uncertain reactors) and 20 control subjects, aged 2 to 14 years, were studied. DESIGN: A 21-day, double-blind, placebo-controlled, repeated-measures study used each child as his or her own control. Placebo, or one of six dose levels of tartrazine (1, 2, 5, 10, 20, 50 mg), was administered randomly each morning, and behavioral ratings were recorded by parents at the end of each 24 hours. RESULTS: The study identified 24 children as clear reactors (19 of 23 "suspected reactors," 3 of 11 "uncertain reactors," and 2 of 20 "control subjects"). They were irritable and restless and had sleep disturbance. Significant reactions were observed at all six dose levels. A dose response effect was obtained. With a dose increase greater than 10 mg, the duration of effect was prolonged. CONCLUSION: Behavioral changes in irritability, restlessness, and sleep disturbance are associated with the ingestion of tartrazine in some children. A dose response effect was observed.

Adolescent↗
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↗
PubMed2006

[Restless legs due to ingestion of 'light' beverages containing saccharine; results of an N-of-1 trial].

OBJECTIVE: To determine whether there was a connection between the complaint of restless legs and the ingestion of artificial sweeteners in a patient with these symptoms after drinking certain 'light' beverages. DESIGN: Randomised, double-blind, placebo-controlled N-of-1 trial with a cross-over design. METHOD: During a period of 48 days, the patient took 4 capsules per day containing either 150 mg of cyclamate, 22.5 mg of saccharine, both sweeteners, or placebo on two successive days. Between each of these 2-day periods there was a 2-day rest period during which no capsules were taken. The hospital pharmacist had prepared the capsules and determined the sequence of the 2-day periods on a random basis. The patient did not know which capsules he was taking. Every day on arising, starting 3 weeks before the trial period, the patient noted the intensity and duration of the symptoms in the late evening and previous night. For this notation he used an 11-point scale, from 0 (= no restless legs) to 10 (= almost total inability to sleep because of restless legs). RESULTS: A score of 1-3 corresponded to mild symptoms that had no effect on the patient's sleep; at a score of 4-6 his sleep was disturbed and at a score of 7-10 the patient hardly slept at all. The patient had symptoms more often while using saccharine or the combination of saccharine and cyclamate than when taking the placebo (4 and 4 versus 2 ofthe 6 nights); moreover, the average score was then statistically significantly higher (5.2 and 5.8 versus 3.3). CONCLUSION: There was a connection between the patient's complaints of restless legs and the use of saccharine, but not the use of cyclamate.

Cross-Over Studies↗
PubMed2002

Associations between symptoms of inattention, hyperactivity, restless legs, and periodic leg movements.

STUDY OBJECTIVES: Attention-deficit/hyperactivity disorder (ADHD) has shown associations with restless legs syndrome (RLS) and periodic leg movements during sleep (PLMS) among small samples of referred children, but whether RLS or PLMS are common more generally among hyperactive children has not been well studied. DESIGN: Cross-sectional survey. SETTING: Two university-affiliated but community-based general pediatrics clinics. PATIENTS: N=866 children (469 boys), aged 2.0 to 13.9 years (mean 6.8+/-3.2 years), with clinic appointments. INTERVENTIONS: N/A. MEASUREMENTS: A validated Pediatric Sleep Questionnaire assessed for PLMS (a 6-item subscale), restless legs, growing pains, and several potential confounds of an association between behavior and PLMS or RLS. Parents also completed two common behavioral measures, a DSM-IV-derived inattention/hyperactivity scale (IHS) and the hyperactivity index (HI, expressed as a t-score) of the Conners' Parent Rating Scale. RESULTS: Restless legs were reported in 17% (95% C.I. [15, 20]) of the subjects. Positive HI scores (>60) were found in 13% [11, 16] of all subjects, 18% [12, 25] of children with restless legs, and 11% [9, 14] of children without restless legs (chi-square p<0.05). Odds ratios between HI>60 and each of the following were: a one-s.d. increase in the overall PLMS score, 1.6 [1.4, 1.9]; restless legs, 1.9 [1.1, 3.2]; and growing pains, 1.9 [0.9, 3.6] (all age and sex-adjusted). Results were similar for high IHS scores (>1.25). The associations between each behavioral measure and the PLMS score retained significance after statistical adjustment for sleepiness, snoring, restless sleep in general, or stimulant use. CONCLUSIONS: Inattention and hyperactivity among general pediatric patients are associated with symptoms of PLMS and RLS. If either condition contributes to hyperactivity, the magnitude of association suggests an important public health problem.

Attention Deficit Disorder with Hyperactivity↗