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OBJECTIVE: Few studies have quantified the prevalence of restless legs syndrome (RLS) in patients with post-polio syndrome (PPS). Our objective was to assess the prevalence and severity of RLS in patients with PPS and to examine the demographic characteristics of this population. METHOD: This was a cross-sectional study conducted from April 2010 to May 2012 at the outpatient Neuromuscular Disorders clinic of Universidade Federal de São Paulo, São Paulo, Brazil. We evaluated 119 patients with PPS, consecutively recruited, and investigated for RLS based on the diagnostic criteria established by the International Restless Legs Syndrome Study Group (IRLSSG). Patients were evaluated with the Brazilian version of the IRLSSG severity scale. RESULTS: The prevalence of RLS was 36% (n = 43; 32 women and 11 men). The ages at onset of RLS (median = 41 years) and PPS (median = 41 years) were concurrent, and the correlation between onset of symptoms of RLS and onset of symptoms of PPS was positive and very strong (Spearman r = 0.93, p = 0.01). The median RLS severity was 23 (range, 20-28). Low educational achievement and depression were predictive of RLS development. CONCLUSION: In the largest population of patients with PPS studied to date, our results indicate a high prevalence of RLS, marked disease severity, and concomitant onset of both conditions in many patients with PPS. Further studies are needed to elucidate a possible pathophysiologic mechanism linking these two conditions. We suggest that all post-polio patients with sensory and motor complaints in the legs be investigated for RLS.

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Pharmacotherapy has been used as an adjunct to CPAP for treatment of residual excessive sleepiness in patients with a diagnosis of obstructive sleep apnea syndrome (OSAS). However, no studies with a high level of evidence have been conducted to support this practice and confirm its effectiveness. We conducted a meta-analysis to summarize and quantify the effects of pharmacological treatment in adults with OSAS who experience residual excessive sleepiness despite adequate CPAP use. We reviewed clinical trials that compared medications to placebo and evaluated the outcomes residual excessive sleepiness, cognition, and quality of life, as well as treatment effectiveness and safety. The MEDLINE, EMBASE, LILACS, Cochrane Central Register of Controlled Trials - CENTRAL, and PsycINFO electronic databases were searched using highly sensitive search strategies. Trials were only included if measures were taken to ensure effective CPAP treatment. Eight randomized clinical trials were included. Pharmacotherapy with modafinil and armodafinil led to improvement of excessive daytime sleepiness, attention/alertness, and clinical condition as measured with the CGI-C. No improvements in quality of life or other cognitive domains (including memory, executive function, and language) could be confirmed. Pharmacotherapy did not cause any severe adverse effects, but was associated with significant dropout rates as compared with placebo. In conclusion, although our results demonstrate the effectiveness of pharmacological treatment as an adjunct to CPAP, further investigation is necessary to improve confidence in its effects. Many findings on the impact of pharmacotherapy on cognition and quality of life were evaluated through analysis of single studies, with heterogeneity in tests and absence of standardization, which reduced certainty as to whether actual improvement occurred in these outcomes.

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ABSTRACT Objective To verify if nighttime feeding habits can influence parasomnia in children. Method Seven private and four public Elementary Schools took part in the study. A total of 595 Sleep Disturbance Scale for Children were distributed to the parents of children aged from 7 to 8 years. Data of dietary recall, starting time to school, physical activity, and nutritional status were studied. Results Of the 226 questionnaires completed, 92 (41%) reported parasomnia. Girls had 2.3 times more the chance to parasomnia than boys. Children who consumed stimulant foods had 2.6 times more chance to have parasomnia than those of children who consumed non-stimulant foods. There were no difference between parasomnia and no-parasomnia groups in food type (p = 0.78) or timing of last meal before bedtime (p = 0.50). Conclusion Our findings suggest that intake of stimulant foods is associated with development of parasomnia in children.

RESUMO Objetivo Verificar se hábitos de alimentação noturna influenciam parassonias em crianças. Método Sete escolas privadas e quatro públicas, de Ensino Fundamental, fizeram parte do estudo. Um total de 595 Escalas de Distúrbio do Sono para Crianças foram distribuídas para os pais de crianças entre 7 e 8 anos. Dados de recordatório alimentar, período escolar, atividade física e estado nutricional foram estudados. Resultados Dos 226 questionários preenchidos, 92 (41%) relataram presença de parassonias. Meninas tiveram 2,3 vezes mais chance de parassonias e crianças que consumiram alimentos estimulantes tiveram 2,6 vezes mais chance de parassonias em relação àquelas que consumiram alimentos não estimulantes. Não houve diferença entre os grupos em relação ao tipo de alimento (p = 0,78) ou horário da última refeição antes de ir para a cama (p = 0,50). Conclusão Nossos achados sugerem que a ingestão de alimentos estimulantes está associada com o desenvolvimento de parassonias em crianças.

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OBJECTIVE: To verify if nighttime feeding habits can influence parasomnia in children. METHOD: Seven private and four public Elementary Schools took part in the study. A total of 595 Sleep Disturbance Scale for Children were distributed to the parents of children aged from 7 to 8 years. Data of dietary recall, starting time to school, physical activity, and nutritional status were studied. RESULTS: Of the 226 questionnaires completed, 92 (41%) reported parasomnia. Girls had 2.3 times more the chance to parasomnia than boys. Children who consumed stimulant foods had 2.6 times more chance to have parasomnia than those of children who consumed non-stimulant foods. There were no difference between parasomnia and no-parasomnia groups in food type (p = 0.78) or timing of last meal before bedtime (p = 0.50). CONCLUSION: Our findings suggest that intake of stimulant foods is associated with development of parasomnia in children.

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The aim of this study is to investigate psychosocial factors related to the diagnosis and treatment of patients with restless legs syndrome. Fifteen patients were interviewed at the Neuro-Sono Outpatient Clinic, Universidade Federal de São Paulo. The results were submitted to a qualitative analysis. We identified four content categories: illness description, illness history, illness experience, and relationships. Lack of control over the body and lack of recognition by professionals produce stigma and lead patients to suffering. The research underscores the relevance of psychosocial factors to the diagnosis and treatment of patients with restless legs syndrome and the importance of having interdisciplinary teams when attending patients with restless legs syndrome.

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UNLABELLED: Obstructive sleep apnea (OSA) has high prevalence and may cause serious comorbidities. The aim of this trial was to show if simple noninvasive methods such as gag reflex and palatal reflex are prospective multivariate assessments of predictor variables for OSA. METHOD: We evaluate gag reflex and palatal reflex, of fifty-five adult patients, and their subsequent overnight polysomnography. RESULTS: Forty-one participants presented obstructive sleep apnea. The most relevant findings in our study were: [1] absence of gag reflex on patients with severe obstructive apnea (p=0.001); [2] absence of palatal reflex on moderate obstructive apnea patients (p=0.02). CONCLUSION: Gag reflex and palatal reflex, a simple noninvasive test regularly performed in a systematic neurological examination can disclose the impact of the local neurogenic injury associated to snoring and/or obstructive sleep apnea syndrome.

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Obstructive sleep apnea (OSA) has high prevalence and may cause serious comorbities. The aim of this trial was to show if simple noninvasive methods such as gag reflex and palatal reflex are prospective multivariate assessments of predictor variables for OSA. METHOD: We evaluate gag reflex and palatal reflex, of fifty-five adult patients, and their subsequent overnight polysomnography. RESULTS: Forty-one participants presented obstructive sleep apnea. The most relevant findings in our study were: [1] absence of gag reflex on patients with severe obstructive apnea (p=0.001); [2] absence of palatal reflex on moderate obstructive apnea patients (p=0.02). CONCLUSION: Gag reflex and palatal reflex, a simple noninvasive test regularly performed in a systematic neurological examination can disclose the impact of the local neurogenic injury associated to snoring and/or obstructive sleep apnea syndrome.

A síndrome da apneia obstrutiva do sono (SAOS) possui alta prevalência e pode causar sérias comorbidades. O objetivo deste estudo foi mostrar se métodos não invasivos como os reflexos nauseoso e palatal podem ser avaliações prospectivas multivariadas preditoras para SAOS. MÉTODO: Avaliamos os reflexos palatal e nauseoso em 55 pacientes adultos, com exame polissonográfico subsequente. RESULTADOS: 41 pacientes apresentaram SAOS. Os achados mais relevantes em nosso estudo foram: [1] ausência do reflexo nauseoso em pacientes com SAOS grave (p=0,001); [2] ausência do reflexo palatal em pacientes com SAOS moderada (p=0,02). CONCLUSÃO: Os reflexos nauseoso e palatal, um simples exame não invasivo, aplicado em uma avaliação neurológica rotineira, pode revelar o impacto de lesões neurogênicas locais associadas ao ronco e/ou a SAOS.

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BACKGROUND: Few studies have described the occurrence of restless legs syndrome in post-polio syndrome. METHODS: We studied 10 consecutive patients with post-polio syndrome and symptoms of restless legs syndrome. We look at demographic, clinical and laboratorial data. RESULTS: A remarkable finding was the concomitant onset of symptoms of both diseases, suggesting a possible underlying mechanism. Severity of restless legs symptoms was moderate to very severe. CONCLUSION: Epidemiological studies with larger samples are needed to better establish the relationship and the incidence of restless legs syndrome in post-polio syndrome.

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PURPOSE: Patients with obstructive sleep apnea (OSA) may have subclinical swallowing abnormalities due to progressive mechanical trauma of the pharyngeal tissues caused by snoring. There are few trials on swallowing among OSA patients, and most of them used videoradiography. The aim of this trial was to show swallowing function in OSA patients by nasal fibroscopy. METHOD: Eleven patients with OSA diagnosed by polysomnography, with a mean age of 48 ± 14 years, without spontaneous complaints of swallowing, and 14 non-snoring volunteers, with a mean age of 47 ± 12 years, without spontaneous complaints of swallowing, participated in the study. The participants were evaluated using nasal fibroscopy. Each participant was offered diet boluses (5 and 10 ml) such as thin liquids, purée, and solids, and their swallowing function was determined according to the following criteria: (1) premature oral leakage to the pharynx; (2) laryngeal penetration; (3) tracheal aspiration; and (4) pharyngeal stasis. RESULTS: Sixty-four percent of the OSA patients presented premature oral leakage, 55% presented pharyngeal stasis of the bolus after swallowing, and we did not observe laryngeal penetration or tracheal aspiration. There were no subclinical manifestations in the control group. CONCLUSION: OSA patients presented subclinical manifestations of abnormal swallowing, when analyzed using nasal fibroscopy, possibly associated with neuromuscular injury caused by snoring.

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INTRODUCTION: The Sleep Disturbance Scale for Children (SDSC) is a 26-item instrument for evaluating sleep among children aged 3-18 years. It differentiates among conditions such as disorders of initiating and maintaining sleep, sleep breathing disorders, disorders of arousal, sleep-wake transition disorders, excessive somnolence, and sleep hyperhydrosis. The aim of this study was to translate, culturally adapt, and validate it for Brazilian Portuguese. METHOD: The study was carried out in two phases: (1) forward translation, back translation, pretesting, and calculation of sample size; (2) validation: reliability (Chronbach's alpha), convergent analysis (Pearson correlation), and discriminatory validity (comparing the scores of the test with the results of polysomnography). One hundred children, aged 3-18 years, accompanied by their parents and/or guardians participated in the phases. PSG studies have been done to calculate the sample size and validation. RESULTS: The scale instructions and items were adapted regarding semantic, experiential, conceptual, and cultural equivalence validation. The scale structure related to visual communication was also adapted to Brazilian population preference and habits, and this resulted in a chart with clear instructions and easy recognition of the statements and possible responses. Reliability analysis showed values greater than 0.55. There has been reasonable convergent validity. Discriminatory validity using the PSG study for positive sleep-disordered breathing (SDB) was 8.9, attesting discriminatory validity only for SDB. The three questions of the scale can screen SDB. CONCLUSION: The SDSC was translated, adapted and validated for Brazilian Portuguese, and it presented internal consistency and convergent and discriminatory validity. It can be used in population-based studies in order to screen for sleep-disordered breathing in children.

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BACKGROUND: Restless legs syndrome (RLS) is a chronic sensory-motor disorder characterized by unpleasant limb sensations and an irresistible urge to move. The International Restless Legs Syndrome Study Group developed the Restless Legs Syndrome Rating Scale (IRLS) to assess the severity of RLS symptoms. The objective of this study was to translate and validate the IRLS into Brazilian Portuguese. METHOD: The IRLS was translated into Brazilian Portuguese, analyzed, back translated to English, and compared to the original version. It was applied to 10 patients for cultural verification. The language was adjusted and the final version was administered to 30 patients (13 male, mean age 58.88+/-14.82). RESULTS: There was correlation among the IRLS evaluation of three experts. Many linguistic adaptations were required to achieve cultural adequacy and the Cronbach's alpha coefficient showed reliability of 80%. CONCLUSION: IRLS was translated, adapted, and validated to Brazilian Portuguese language, showing good reliability and validity.

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BACKGROUND: Restless legs syndrome (RLS) is a chronic sensory-motor disorder characterized by unpleasant limb sensations and an irresistible urge to move. The International Restless Legs Syndrome Study Group developed the Restless Legs Syndrome Rating Scale (IRLS) to assess the severity of RLS symptoms. The objective of this study was to translate and validate the IRLS into Brazilian Portuguese. METHOD: The IRLS was translated into Brazilian Portuguese, analyzed, back translated to English, and compared to the original version. It was applied to 10 patients for cultural verification. The language was adjusted and the final version was administered to 30 patients (13 male, mean age 58.88±14.82). RESULTS: There was correlation among the IRLS evaluation of three experts. Many linguistic adaptations were required to achieve cultural adequacy and the Cronbach's alpha coefficient showed reliability of 80 percent. CONCLUSION: IRLS was translated, adapted, and validated to Brazilian Portuguese language, showing good reliability and validity.

INTRODUÇÃO: A síndrome das pernas inquietas (SPI) é uma doença crônica, sensório-motora, caracterizada por sensações desagradáveis nos membros e uma urgência em movimentá-los. O Grupo Internacional de Estudos da Síndrome das Pernas Inquietas desenvolveu a Escala de Graduação da Síndrome das Pernas Inquietas (EGSPI) para avaliar a gravidade dos sintomas da SPI. OBJETIVO: Traduzir, adaptar culturalmente e validar a EGSPI para o português do Brasil. MÉTODO: A escala foi vertida para o português, analisada, vertida novamente para o inglês e comparada com a versão original. Foi aplicada em 10 pacientes para adequação cultural. A linguagem foi ajustada e a versão final foi aplicada em 30 pacientes (13 homens, idade média de 58,88±14,82). RESULTADOS: Houve correlação da aplicação da escala entre três avaliadores. Foram necessárias adaptações lingüísticas para adequação cultural e o alfa de Chronbach mostrou confiabilidade de 80 por cento. CONCLUSÃO: A EGSPI foi traduzida, adequada e validada para o português do Brasil, com boa validade e confiabilidade.

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CONTEXT: Hemiparesia changes quality of life of patients with stroke making difficult a normal life. OBJECTIVE: To evaluate the effect of Functional Eletric Orthesis (FEO) applied over the paretic leg in the quality of life of stroke patients. METHOD: The quality of life of 50 stroke patients of Associacao de Assistencia a Crianca Deficiente (AACD) was evaluated with SF-36 questionnaire before and after the treatment with a FEO for rehabilitation of walking. We analyzed data according to gender and affected hemisphere. RESULTS: The average values from all domains of SF-36 improved significantly (p<0.001). Female patients improved more than male in Emotional Domain (p=0.04) and presented a trend to be better regarding Bodily Pain and Social Functioning. Patients with right hemiparesia improved more than those with left hemiparesia (p=0.02). CONCLUSION: FEO over a paretic leg is efficient to improve quality of life of stroke patients, mainly Physical Functioning.

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CONTEXTO: A hemiparesia altera a qualidade de vida de pacientes com acidente vascular encefálico (AVE) dificultando uma vida normal. OBJETIVO: Avaliar o efeito da Órtese Elétrica Funcional (OEF) colocada na perna parética, sobre a qualidade de vida de pacientes com AVE. MÉTODO: A qualidade de vida de 50 pacientes da AACD foi avaliada pelo questionário SF-36 antes e após o tratamento com OEF. Os dados foram analisados segundo sexo e lado do corpo acometido pelo AVE. RESULTADOS: As médias em todas as categorias do SF-36 foram significantemente maiores após tratamento com OEF (p<0,001). Pacientes do sexo feminino apresentaram resultados superiores aos do sexo masculino nos Aspectos Emocionais (p=0,04) e apresentaram tendência a melhora em Dor e Aspectos Sociais. Pacientes com hemiparesia direita obtiveram resultados superiores aos com hemiparesia esquerda nos Aspectos Emocionais (p=0,02). CONCLUSÃO: A utilização da OEF na perna parética por AVE é eficaz em melhorar a qualidade de vida dos pacientes.

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CONTEXT: Sleep has an important function in the physical and emotional development of children. Some studies suggest an association between impulsivity and sleep disorders. However, little is known about this association in schoolchildren aged 8 to 10 years. METHOD: We studied 1180 children, 547 with sleep disorders (SD) and 633 without SD (control group), classified with SD questionnaires. Within the SD group, 53 children with sleep-related respiratory disorders (SRRD) and 521 children with non-respiratory sleep disorders (NRSD) were analyzed. We assessed emotional indicators of impulsivity with Bender test. RESULTS: More SD children presented impulsivity than control group (p<0.05). More NRSD and 10 years old children presented impulsivity than control group of the same age (p=0.001). Impulsivity and SRRD were associated with 8 years old children (p<0.05). CONCLUSION: Children with SD, 8 years old children with SRRD, and 10 years old children with NRSD presented higher proportion of impulsivity than control children.

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OBJECTIVE: To verify if sleep disorders and different starting time to school have impaired motor skills in 5-year-old children. METHOD: Cross-sectional design consisting of 132 children with sleep disorders and 136 normal controls of the public school in the city of São Paulo. The group with sleep disorders was identified based on a questionnaire, and motor tests for global motor coordination, fine motor coordination, perceptual-motor coordination, and static and dynamic balance were applied in all children. RESULTS: In the static balance test, more specifically in the sharpened Romberg (Tandem) test, 34% of boys from the study group, who studied in the morning, failed the test (p < 0.05). In the single leg stance test, 62% of boys from the study group who studied in the morning failed (p < 0.05). CONCLUSION: This study suggests that sleep disorders may interact with the school period and alter motor performance, especially in boys studying in the morning.

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OBJETIVO: Verificar se distúrbios do sono e diferentes períodos escolares comprometem as habilidades motoras de crianças de 5 anos. MÉTODO: Realizou-se estudo transversal com 132 crianças com distúrbio do sono e 136 controles normais de escolas públicas da cidade de São Paulo. Foram utilizados questionários para distúrbios do sono e testes para coordenação motora global, motora fina, percepto-motora, equilíbrio estático e dinâmico. RESULTADOS: No teste de equilíbrio estático, mais especificamente na prova pé ante pé, 34% dos meninos do grupo estudo, que estudavam no período da manhã, falharam no teste (p < 0,05). Na prova de apoio monopodal, 62% dos meninos do grupo estudo, que estudavam no período da manhã, falharam no teste (p < 0,05). CONCLUSÃO: Este estudo sugere que os distúrbios do sono podem interagir com o período escolar e alterar a performance motora, principalmente de meninos que estudam no período da manhã.

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OBJECTIVE: This study investigated the sleep habits in Brazilian children according to age, gender and starting time to school. METHOD: We investigated 2,482 scholars aged 7 to 10 years. We compared sleep habits, gender, and starting time to school (morning and afternoon). RESULTS: Sixty-one per cent of the children presented sleep rituals before sleep. Milk drinking before sleep was more frequent among seven years old children. We found a progressive reduction with age in keeping the lights on. Girls used to leave an object to bed more than boys did. Children that studied in the morning presented reduced total sleep time, sleep earlier, and nap more frequently than children that studied in the afternoon. CONCLUSION: Starting time to school deeply influences sleep habits in Brazilian children from São Paulo City, in whom bed-time rituals are highly prevalent.

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