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Physical exercise as a therapeutic approach for adults with insomnia: systematic review and meta-analysis
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D’Aurea, Carolina Vicaria Rodrigues

; Frange, Cristina

; Poyares, Dalva

; Souza, Altay Alves Lino de

; Lenza, Mario

einstein (São Paulo)

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2022, Volume 20 elocation eAO8058

Abstract: En | Text: En | PDF: En

ABSTRACT Objective To systematically review the effects (benefits and harms) of different types of physical exercise on insomnia outcomes in adult populations with no mood disorders. Objective and subjective sleep outcomes and related mismatches were analyzed. Methods Systematic review and meta-analysis. Quality of evidence was also examined. Results Six studies including 295 participants with insomnia diagnosis were selected. Yoga, Tai Chi, resistance exercise and aerobic exercise were used in protocols with different duration, intensity and frequency. Studies involved different populations, including inactive or sedentary individuals, older adults and postmenopausal women. Physical exercise improved subjective sleep quality (very low quality of evidence) and reduced insomnia severity (high quality of evidence). Conclusion Findings suggest individualized physical exercise must be addressed to design optimal protocols, with standardized type, duration, intensity, and frequency. For the time being, physical exercise may be considered an alternative and/or ancillary therapeutic modality for patients diagnosed with insomnia. Physical exercise can be used to improve subjective complaints, but not objective sleep outcomes.

https://doi.org/10.31744/einstein_journal/2022ao8058

Subjective sleep parameters in prodromal Alzheimer’s disease: a case-control study
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Borges, Conrado R.

; Piovezan, Ronaldo D.

; Poyares, Dalva R.

; Busatto Filho, Geraldo

; Studart-Neto, Adalberto

; Coutinho, Artur M.

; Tufik, Sergio

; Nitrini, Ricardo

; Brucki, Sonia M.

Brazilian Journal of Psychiatry

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oct 2021, Volume 43 N. 5 Pages 510 - 513

Abstract: En | Text: En | PDF: En

Objective: People with Alzheimer’s disease (AD) dementia have impaired sleep. However, the characteristics of sleep in the early stages of AD are not well known, and studies with the aid of biomarkers are lacking. We assessed the subjective sleep characteristics of non-demented older adults and compared their amyloid profiles. Methods: We enrolled 30 participants aged ≥ 60 years, with no dementia or major clinical and psychiatric diseases. They underwent [11C]PiB-PET-CT, neuropsychological evaluations, and completed two standardized sleep assessments (Pittsburgh Sleep Quality Inventory and Epworth Sleep Scale). Results: Comparative analysis of subjective sleep parameters across the two groups showed longer times in bed (p = 0.024) and reduced sleep efficiency (p = 0.05) in individuals with positive amyloid. No differences in other subjective sleep parameters were observed. We also found that people with multiple-domain mild cognitive impairment (MCI) had shorter self-reported total sleep times (p = 0.034) and worse overall sleep quality (p = 0.027) compared to those with single-domain MCI. Conclusions: Older adults testing positive for amyloid had a longer time in bed and lower sleep efficiency, regardless of cognitive status. In parallel, individuals with multiple-domain MCI reported shorter sleep duration and lower overall sleep quality.

https://doi.org/10.1590/1516-4446-2020-1503 175 downloads

REM Behavior Disorder diagnostic challenges
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POYARES, Dalva

; PIOVEZAN, Ronaldo Delmonte

Arquivos de Neuro-Psiquiatria

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oct 2020, Volume 78 N. 10 Pages 601 - 602

Abstract: En | Text: En | PDF: En

https://doi.org/10.1590/0004-282x20200189 443 downloads

Sublingual and oral zolpidem for insomnia disorder: a 3-month randomized trial
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Castro, Laura S.

; Otuyama, Leonardo J.

; Fumo-dos-Santos, Cristiane

; Tufik, Sergio

; Poyares, Dalva

Brazilian Journal of Psychiatry

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apr 2020, Volume 42 N. 2 Pages 175 - 184

Abstract: En | Text: En | PDF: En

Objective: To evaluate the safety and efficacy of a 5 mg sublingual dose of zolpidem, compared to a 10 mg oral dose, at bedtime and “as needed” following middle-of-the-night awakenings. Methods: Participants were randomized into an oral group (oral zolpidem 10 mg and sublingual placebo at bedtime and “as-needed”) and a sublingual group (oral placebo and sublingual zolpidem 5 mg at bedtime and “as-needed”). Participants underwent medical evaluation, polysomnography, the psychomotor vigilance test, and completed questionnaires. Results: Of 85 patients, 67 met the criteria for insomnia (48±10 years; 79% women) and were randomized. Of these, 46 completed 92±5 days of treatment. Mild-to-moderate adverse events were reported by 25% of the participants, including headache, sleepiness, and dizziness. Both treatments decreased middle-of-the-night awakenings by an average of -3.1±2.3 days/week and increased total sleep time by 1.5 hours. Changes in sleep quality and insomnia severity scores were also favorable and comparable between groups: variation depended on continuation of treatment. Regarding PSG findings, sleep latency decreased more in the sublingual group than the oral group (-14±42 vs. 10±29 min; p = 0.03). The psychomotor vigilance test showed minor residual effects 30 minutes after awakening, which reversed after 2 hours. Conclusions: The safety and efficacy of both zolpidem formulations are comparable. The sublingual 5 mg dose induced sleep more rapidly. Clinical trial registration: NCT01896336

https://doi.org/10.1590/1516-4446-2019-0389 1405 downloads

Alzheimer's disease and sleep disturbances: a review
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Borges, Conrado Regis

; Poyares, Dalva

; Piovezan, Ronaldo

; Nitrini, Ricardo

; Brucki, Sonia

Arquivos de Neuro-Psiquiatria

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nov 2019, Volume 77 N. 11 Pages 815 - 824

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO A associação entre Doença de Alzheimer (DA) e distúrbios do sono vem recebendo atenção crescente nas últimas décadas. No entanto, pouco se sabe sobre o impacto do sono e suas alterações no desenvolvimento de estágios pré-clínicos da doença, como é o caso do Comprometimento Cognitivo Leve (CCL). Esta revisão descreve a evolução do conhecimento sobre as relações potencialmente bidirecionais entre DA e distúrbios do sono, explorando grandes estudos prospectivos e meta-análises, assim como estudos dos possíveis mecanismos da associação entre o sono e as doenças neurodegenerativas. Também revisamos amplamente as características do sono de pessoas idosas, incluindo indivíduos cognitivamente normais, com CCL e com demência por DA.

ABSTRACT The association between Alzheimer's disease (AD) and sleep disturbances has received increasing scientific attention in the last decades. However, little is known about the impact of sleep and its disturbances on the development of preclinical AD stages, such as mild cognitive impairment. This review describes the evolution of knowledge about the potential bidirectional relationships between AD and sleep disturbances exploring recent large prospective studies and meta-analyses and studies of the possible mechanisms through which sleep and the neurodegenerative process could be associated. The review also makes a comprehensive exploration of the sleep characteristics of older people, ranging from cognitively normal individuals, through patients with mild cognitive impairment, up to the those with dementia with AD.

https://doi.org/10.1590/0004-282x20190149 5015 downloads

Effects of resistance exercise training and stretching on chronic insomnia
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D’Aurea, Carolina V.R.

; Poyares, Dalva

; Passos, Giselle S.

; Santana, Marcos G.

; Youngstedt, Shawn D.

; Souza, Altay A.

; Bicudo, Juliana

; Tufik, Sergio

; de Mello, Marco T.

Brazilian Journal of Psychiatry

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feb 2019, Volume 41 N. 1 Pages 51 - 57

Abstract: En | Text: En | PDF: En

Objective: The aim of this study was to assess the effects of resistance exercise and stretching on sleep, mood, and quality of life in chronic insomnia patients. Methods: Three 4-month treatments included: resistance exercise (n=10), stretching (n=10), and control (n=8). Sleep was evaluated with polysomnography, actigraphy, and questionnaires. Mood and quality of life were assessed with the Profile of Mood States (POMS) and the Medical Outcomes Study Short-Form 36-Item Health Survey (SF-36), respectively. Results: There were no significant treatment differences between resistance exercise and stretching. However, compared with the control treatment, resistance exercise and stretching led to significantly greater improvements in Insomnia Severity Index scores (-10.5±2.3, -8.1±2.0 vs. 2.3±1.8, respectively), and actigraphic measures of sleep latency (-7.1±4.6, -5.2±1.9 vs. 2.2±2.1 min), wake after sleep onset (-9.3±2.8, -7.1±3.0 vs. 3.6±4.2 min), and sleep efficiency (4.4±1.8, 5.0±0.8 vs. -2.3±2%). Pittsburgh Sleep Quality Index (PSQI) global scores (-5.3±0.8, -3.9±1.5 vs. -0.1±0.8) and sleep duration (1.2±0.3, 1.6±0.6 vs. -0.1±0.2 h) also improved following both experimental treatments compared with control. PSQI-Sleep efficiency increased after resistance exercise compared with control (19.5±3.9 vs. 2.1±4.3%). No significant differences were observed in polysomnography or quality of life measures. Tension-anxiety was lower in the stretching group than the control group. Conclusion: Moderate-intensity resistance exercise and stretching led to similar improvements in objective and subjective sleep in patients with chronic insomnia. Clinical trial registration: NCT01571115

https://doi.org/10.1590/1516-4446-2018-0030 3691 downloads

1º Posicionamento Brasileiro sobre o Impacto dos Distúrbios de Sono nas Doenças Cardiovasculares da Sociedade Brasileira de Cardiologia
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Drager, Luciano F.

; Lorenzi-Filho, Geraldo

; Cintra, Fatima Dumas

; Pedrosa, Rodrigo P.

; Bittencourt, Lia R. A.

; Poyares, Dalva

; Carvalho, Carolina Gonzaga

; Moura, Sonia Maria Guimarães Pereira Togeiro

; Santos-Silva, Rogerio

; Bruin, Pedro F. C. de

; Geovanini, Glaucylara R.

; Albuquerque, Felipe N.

; Oliveira, Wercules Antonio Alves de

; Moreira, Gustavo A.

; Ueno, Linda Massako

; Nerbass, Flávia Baggio

; Rondon, Maria Urbana Pinto Brandão

; Barbosa, Eline Rozária Ferreira

; Bertolami, Adriana

; Paola, Angelo Amato Vincenzo de

; Marques, Betânia Braga Silva

; Rizzi, Camila Futado

; Negrão, Carlos Eduardo

; Uchôa, Carlos Henrique Gomes

; Maki-Nunes, Cristiane

; Martinez, Denis

; Fernández, Edmundo Arteaga

; Maroja, Fabrizio U.

; Almeida, Fernanda R.

; Trombetta, Ivani C.

; Storti, Luciana J.

; Bortolotto, Luiz Aparecido

; Mello, Marco Túlio de

; Borges, Melania Aparecida

; Andersen, Monica Levy

; Portilho, Natanael de Paula

; Macedo, Paula

; Alves, Rosana

; Tufik, Sergio

; Fagondes, Simone C.

; Risso, Thaís Telles

Arquivos Brasileiros de Cardiologia

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aug 2018, Volume 111 N. 2 Pages 290 - 340

Abstract: Pt | Text: Pt | PDF: Pt

https://doi.org/10.5935/abc.20180154 8719 downloads

Chronotype and anxiety are associated in patients with chronic primary insomnia
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Passos, Giselle S.

; Santana, Marcos G.

; Poyares, Dalva

; D’Aurea, Carolina V.

; Teixeira, Alexandre A.

; Tufik, Sergio

; de Mello, Marco T.

Brazilian Journal of Psychiatry

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jun 2017, Volume 39 N. 2 Pages 183 - 186

Abstract: En | Text: En | PDF: En

Objective: To assess the interaction of chronotype with anxiety in patients with chronic primary insomnia. Methods: Sixty-four patients (50 women) with mean age 43.9±8.1 years were investigated with the Horne and Östberg Morningness-Eveningness Questionnaire (MEQ) and State-Trait Anxiety Inventory (STAI). Results: Significant negative correlations of chronotype-MEQ score with STAI state-anxiety (r = -0.40, p < 0.05), STAI trait-anxiety (r = -0.40, p < 0.05), and STAI pre-sleep state anxiety (r = -0.30, p < 0.05) were observed. Eveningness preference was associated with higher trait, state, and pre-sleep state anxiety. Conclusions: These results suggest that chronotype may be an important parameter to identifying the origin and significance of a vicious anxiety-insomnia-depression cycle in patients with chronic primary insomnia.

https://doi.org/10.1590/1516-4446-2016-2007 1594 downloads

Left Atrial Volume Determinants in Patients with Non-Ischemic Dilated Cardiomyopathy
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Mancuso, Frederico José Neves

; Moisés, Valdir Ambrósio

; Almeida, Dirceu Rodrigues

; Poyares, Dalva

; Storti, Luciana Julio

; Oliveira, Wércules Antonio

; Brito, Flavio Souza

; Paola, Angelo Amato Vincenzo de

; Carvalho, Antonio Carlos Camargo

; Campos, Orlando

Arquivos Brasileiros de Cardiologia

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jul 2015, Volume 105 N. 1 Pages 65 - 70

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Fundamento:O Volume do Átrio Esquerdo (VAE) é preditor prognóstico em pacientes com insuficiência cardíaca.Objetivo:O objetivo do estudo foi avaliar os determinantes do VAE em pacientes com Cardiomiopatia Dilatada (CMD).Métodos:Incluídos 90 pacientes com CMD e fração de ejeção do Ventrículo Esquerdo (VE) ≤ 0,50. O VAE foi medido pela ecocardiografia tridimensional (eco3D). Foram avaliados frequência cardíaca, pressão arterial sistólica, volume diastólico e sistólico final do VE, fração de ejeção do VE, onda E mitral, onda e´ do anel mitral (Doppler tecidual), relação E/e´, dissincronia intraventricular, índice de dissincronia tridimensional e insuficiência mitral. O coeficiente de correlação de Pearson analisou a correlação do VAE com as variáveis avaliadas e a regressão linear múltipla as variáveis independentes associadas ao VAE.Resultados:A idade média foi 53 ± 11 anos, fração de ejeção do VE: 31,5 ± 8,0% e VAE: 39,2 ± 15,7 ml/m2. As variáveis que se correlacionaram com o VAE foram: volume diastólico final do VE (r = 0,38; p < 0,01), volume sistólico final do VE (r = 0,43; p < 0,001), fração de ejeção do VE (r = -0,36; p v 0,01), onda E (r = 0,50; p < 0,01), relação E/e´ (r = 0,51; p < 0,01) e insuficiência mitral (r = 0,53; p < 0,01). A análise multivariada identificou relação E/e´ (p = 0,02) e insuficiência mitral (p = 0,02) como os únicos preditores independentes do aumento do VAE.Conclusão:O VAE na CMD é determinado independentemente pelas pressões de enchimento do VE (relação E/e´) e insuficiência mitral.

Background:Left atrial volume (LAV) is a predictor of prognosis in patients with heart failure.Objective:We aimed to evaluate the determinants of LAV in patients with dilated cardiomyopathy (DCM).Methods:Ninety patients with DCM and left ventricular (LV) ejection fraction ≤ 0.50 were included. LAV was measured with real-time three-dimensional echocardiography (eco3D). The variables evaluated were heart rate, systolic blood pressure, LV end-diastolic volume and end-systolic volume and ejection fraction (eco3D), mitral inflow E wave, tissue Doppler e´ wave, E/e´ ratio, intraventricular dyssynchrony, 3D dyssynchrony index and mitral regurgitation vena contracta. Pearson´s coefficient was used to identify the correlation of the LAV with the assessed variables. A multiple linear regression model was developed that included LAV as the dependent variable and the variables correlated with it as the predictive variables.Results:Mean age was 52 ± 11 years-old, LV ejection fraction: 31.5 ± 8.0% (16-50%) and LAV: 39.2±15.7 ml/m2. The variables that correlated with the LAV were LV end-diastolic volume (r = 0.38; p < 0.01), LV end-systolic volume (r = 0.43; p < 0.001), LV ejection fraction (r = -0.36; p < 0.01), E wave (r = 0.50; p < 0.01), E/e´ ratio (r = 0.51; p < 0.01) and mitral regurgitation (r = 0.53; p < 0.01). A multivariate analysis identified the E/e´ ratio (p = 0.02) and mitral regurgitation (p = 0.02) as the only independent variables associated with LAV increase.Conclusion:The LAV is independently determined by LV filling pressures (E/e´ ratio) and mitral regurgitation in DCM.

https://doi.org/10.5935/abc.20150042 1926 downloads

10.

Objective short sleep duration is associated with the activity of the hypothalamic-pituitary-adrenal axis in insomnia
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D’Aurea, Carolina

; Poyares, Dalva

; Piovezan, Ronaldo D.

; Passos, Giselle Soares

; Tufik, Sergio

; Mello, Marco Tulio de

Arquivos de Neuro-Psiquiatria

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jun 2015, Volume 73 N. 6 Pages 516 - 519

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Objetivo Avaliar a associação entre insônia com tempo de sono curto e alterações sanguíneas relacionados com a atividade do eixo hipotálamo-hipófise-adrenal (HPA).Método Estudo piloto transversal, com 30 adultos de meia-idade, distribuídos em 2 grupos de acordo com o tempo total de sono (TTS) pela polisonografia (PSG) (TTS > 5h e < 5h). Os pacientes foram submetidos a análise subjetiva da qualidade do sono, medidas antropométricas, PSG e parâmetros sanguíneos em jejum.Resultados Revelaram baixa eficiência do sono e maior latência do sono para aqueles com TTS < 5h. A qualidade subjetiva do sono foi pior no TTS < 5h. Significativamente, os níveis de glicose e cortisol mais elevados foram observados no grupo com TTS < 5h. Os níveis de glicose, cortisol e ACTH foram inversamente correlacionados com o TTS da PSG.Conclusão Pacientes com insônia com tempo de sono curto apresentaram desequilíbrios endócrinos e metabólicos associados a atividade do eixo HPA, correlacionados ao aumento do risco cardiovascular observado neste fenótipo mais grave de insônia.

Objective To evaluate the association between objective short sleep duration in patients with insomnia and changes in blood parameters related to hypothalamic-pituitary-adrenal (HPA) axis activity.Method A cross-sectional pilot study was conducted in 30 middle-aged adults with chronic insomnia who were divided into 2 groups according to polysomnography (PSG) total sleep time (TST) (TST > 5h and < 5h). All patients underwent subjective analysis of sleep quality, anthropometric measurements, PSG, and determination off asting blood parameters.Results The results revealed lower sleep efficiency and higher sleep latency for those with a TST < 5h. The subjective sleep quality was worse in the TST < 5h. Significantly, higher glucose and cortisol levels were observed with a TST < 5h. Glucose, cortisol and ACTH levels were inversely correlated with the PSG total sleep time.Conclusion Patients with insomnia with objective short sleep duration had HPA-associated endocrine and metabolic imbalances chronically linked to increases in cardiovascular risk observed with this more severe insomnia phenotype.

https://doi.org/10.1590/0004-282X20150053 4843 downloads

11.

Brazilian consensus on guidelines for diagnosis and treatment for restless legs syndrome
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Fröhlich, Alan Christmann

; Eckeli, Alan Luiz

; Bacelar, Andrea

; Poyares, Dalva

; Pachito, Daniela Vianna

; Stelzer, Fernando Gustavo

; Coelho, Fernando Morgadinho Santos

; Rizzo, Geraldo Nunes Vieira

; Prado, Gilmar Fernandes do

; Sander, Heidi Haueisen

; Goulart, Leonardo Ierardi

; Lucchesi, Ligia Mendonça

; Gitai, Lívia Leite Góes

; Prado, Lucila Bizari Fernandes do

; Ataíde-Junior, Luiz

; Bezerra, Marcio Luciano de Souza

; Lopes, Maria Cecília

; Trentin, Marine Meliksetyan

; Rodrigues, Raimundo Nonato Delgado

; Hasan, Rosa

; Alves, Rosana S. Cardoso

; Schönwald, Suzana Veiga

; Moraes, Walter André dos Santos

Arquivos de Neuro-Psiquiatria

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mar 2015, Volume 73 N. 3 Pages 260 - 280

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O Consenso em síndrome das pernas inquietas contou com a participação de neurologistas de vários estados brasileiros, os quais incansavelmente revisaram a literatura dos últimos anos em busca de evidências, tanto no que se refere ao diagnóstico como ao tratamento, de acordo com a Classificação do Centro de Oxford para Medicina Baseada em Evidências.

The Consensus on restless legs syndrome is an effort of neurologists from several Brazilian states, which tirelessly reviewed the literature of recent years in search of evidence, both in regard to diagnosis and treatment, according to the Oxford Centre for Evidence-based Medicine.

https://doi.org/10.1590/0004-282X20140239 7813 downloads

12.

Sleep Apnea and Nocturnal Cardiac Arrhythmia: A Populational Study
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Cintra, Fatima Dumas

; Leite, Renata Pimentel

; Storti, Luciana Julio

; Bittencourt, Lia Azeredo

; Poyares, Dalva

; Castro, Laura de Siqueira

; Tufik, Sergio

; Paola, Angelo de

Arquivos Brasileiros de Cardiologia

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nov 2014, Volume 103 N. 5 Pages 368 - 374

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Fundamento: Os mecanismos relacionados às consequências cardiovasculares da apneia obstrutiva do sono incluem modificações abruptas no tônus autonômico, que podem desencadear arritmias cardíacas. Os autores tiveram como hipótese a ocorrência de arritmias cardíacas noturnas maiores em pacientes portadores de apneia obstrutiva do sono. Objetivo: Analisar a relação entre a apneia obstrutiva do sono e o registro de anormalidade no ritmo cardíaco, durante o sono, em uma amostra populacional. Métodos: Estudo transversal com uma amostra representativa da cidade de São Paulo de 1.101 voluntários. A polissonografia de noite inteira foi realizada por meio de um sistema digital (EMBLA® S7000), durante o horário regular de sono do indivíduo. O canal de eletrocardiograma foi extraído, duplicado e, em seguida, analisado com um sistema Holter (Cardio Smart®). Resultados: Um total de 767 participantes, sendo 461 do sexo masculino, com idade média de 42,00 ± 0,53 anos, foi incluído nas análises. Pelo menos um tipo de distúrbio do ritmo cardíaco noturno (arritmia atrial/ventricular ou pausa) foi observado em 62,7% da amostra. A ocorrência de arritmias cardíacas noturnas foi mais frequente com o aumento da gravidade da doença. A perturbação do ritmo foi observada em 53,3% da amostra sem distúrbios respiratórios do sono, enquanto que 92,3% dos pacientes com grave apneia obstrutiva do sono apresentaram arritmia cardíaca. Ectopia atrial e ventricular isolada foi mais frequente em pacientes com apneia obstrutiva do sono moderada/severa quando comparada com controles (p < 0,001). Após controle de potenciais fatores de confusão, idade, sexo e Índice de Apneia-Hipopneia foram associados à arritmia cardíaca noturna. Conclusão: Arritmias cardíacas noturnas ocorrem com maior frequência em pacientes portadores de apneia obstrutiva do sono, e sua prevalência aumenta com a gravidade da doença. Idade, sexo e o Índice de Apneia-Hipopneia foram os fatores preditores de arritmias nesta amostra.

Background: The mechanisms associated with the cardiovascular consequences of obstructive sleep apnea include abrupt changes in autonomic tone, which can trigger cardiac arrhythmias. The authors hypothesized that nocturnal cardiac arrhythmia occurs more frequently in patients with obstructive sleep apnea. Objective: To analyze the relationship between obstructive sleep apnea and abnormal heart rhythm during sleep in a population sample. Methods: Cross-sectional study with 1,101 volunteers, who form a representative sample of the city of São Paulo. The overnight polysomnography was performed using an EMBLA® S7000 digital system during the regular sleep schedule of the individual. The electrocardiogram channel was extracted, duplicated, and then analyzed using a Holter (Cardio Smart®) system. Results: A total of 767 participants (461 men) with a mean age of 42.00 ± 0.53 years, were included in the analysis. At least one type of nocturnal cardiac rhythm disturbance (atrial/ventricular arrhythmia or beat) was observed in 62.7% of the sample. The occurrence of nocturnal cardiac arrhythmias was more frequent with increased disease severity. Rhythm disturbance was observed in 53.3% of the sample without breathing sleep disorders, whereas 92.3% of patients with severe obstructive sleep apnea showed cardiac arrhythmia. Isolated atrial and ventricular ectopy was more frequent in patients with moderate/severe obstructive sleep apnea when compared to controls (p < 0.001). After controlling for potential confounding factors, age, sex and apnea-hypopnea index were associated with nocturnal cardiac arrhythmia. Conclusion: Nocturnal cardiac arrhythmia occurs more frequently in patients with obstructive sleep apnea and the prevalence increases with disease severity. Age, sex, and the Apnea-hypopnea index were predictors of arrhythmia in this sample.

https://doi.org/10.5935/abc.20140142 4148 downloads

13.

Os critérios para classificação da insuficiência mitral não foram adequados na cardiomiopatia dilatada
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Mancuso, Frederico José Neves

; Moisés, Valdir Ambrosio

; Almeida, Dirceu Rodrigues

; Oliveira, Wercules Antonio

; Poyares, Dalva

; Brito, Flavio Souza

; Paola, Angelo Amato Vincenzo de

; Carvalho, Antonio Carlos Camargo

; Campos, Orlando

Arquivos Brasileiros de Cardiologia

Journal Metrics
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nov 2013, Volume 101 N. 5 Pages 457 - 465

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

FUNDAMENTO: A insuficiência mitral (IM) é frequente nos pacientes com cardiomiopatia dilatada. Não se sabe se os critérios para classificação da IM são adequados para pacientes com cardiomiopatia dilatada OBJETIVO: Avaliar a concordância entre os quatro métodos ecocardiográficos mais utilizados para classificação da IM. MÉTODOS: Noventa pacientes com cardiomiopatia dilatada foram incluídos. A IM foi classificada por quatro métodos ecocardiográficos: área do jato regurgitante (AJ), vena contracta (VC), área do orifício regurgitante (AOR) e volume regurgitante (VR). A IM foi classificada em leve, moderada ou importante segundo os critérios da American Society of Echocardiography e também foi dividida em tercis conforme os valores absolutos. O teste de Kappa foi utilizado para avaliar a concordância entre os métodos. O coeficiente de Pearson foi utilizado para avaliar a correlação entre os valores absolutos por cada método. RESULTADOS: A classificação da IM, de acordo com cada método, foi a seguinte: AJ: 26 leve, 44 moderada, 20 importante; VC: 12 leve, 72 moderada, 6 importante; AOR: 70 leve, 15 moderada, 5 importante; VR: 70 leve, 16 moderada, 4 importante. A concordância entre os métodos foi ruim (kappa = 0,11; p < 0,001), porém foi observada uma forte correlação entre os valores absolutos de cada método (0,70 a 0,95; p < 0,01). A concordância foi melhor com a divisão dos valores em tercis (kappa = 0,44; p < 0,01). CONCLUSÃO: Os critérios para classificação da IM não são adequados para os pacientes com cardiomiopatia dilatada. É necessário estabelecer novos valores de corte para classificar a IM nestes pacientes.

BACKGROUND: Mitral regurgitation (MR) is common in patients with dilated cardiomyopathy (DCM). It is unknown whether the criteria for MR classification are inadequate for patients with DCM. OBJECTIVE: We aimed to evaluate the agreement among the four most common echocardiographic methods for MR classification. METHODS: Ninety patients with DCM were included. Functional MR was classified using four echocardiographic methods: color flow jet area (JA), vena contracta (VC), effective regurgitant orifice area (ERO) and regurgitant volume (RV). MR was classified as mild, moderate or important according to the American Society of Echocardiography criteria and by dividing the values into terciles. The Kappa test was used to evaluate whether the methods agreed, and the Pearson correlation coefficient was used to evaluate the correlation between the absolute values of each method. RESULTS: MR classification according to each method was as follows: JA: 26 mild, 44 moderate, 20 important; VC: 12 mild, 72 moderate, 6 important; ERO: 70 mild, 15 moderate, 5 important; RV: 70 mild, 16 moderate, 4 important. The agreement was poor among methods (kappa=0.11; p<0.001). It was observed a strong correlation between the absolute values of each method, ranging from 0.70 to 0.95 (p<0.01) and the agreement was higher when values were divided into terciles (kappa = 0.44; p < 0.01) CONCLUSION: The use of conventional echocardiographic criteria for MR classification seems inadequate in patients with DCM. It is necessary to establish new cutoff values for MR classification in these patients.

https://doi.org/10.5935/abc.20130200 2378 downloads

14.

Is exercise an alternative treatment for chronic insomnia?
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Passos, Giselle Soares

; Poyares, Dalva Lucia Rollemberg

; Santana, Marcos Gonçalves

; Tufik, Sergio

; Mello, Marco Túlio de

Clinics

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2012, Volume 67 N. 6 Pages 653 - 660

Abstract: En | Text: En | PDF: En

The purposes of this systematic/critical review are: 1) to identify studies on the effects of exercise on chronic insomnia and sleep complaints in middle-aged and older adults and to compare the results of exercise with those obtained with hypnotic medications and 2) to discuss potential mechanisms by which exercise could promote sleep in insomniac patients. We identified studies from 1983 through 2011 using MEDLINE, SCOPUS and Web of Science. For systematic analyses, only studies assessing the chronic effects of exercise on sleep in people with sleep complaints or chronic insomnia were considered. We used the following keywords when searching for articles: insomnia, sleep, sleep complaints, exercise and physical activity. For a critical review, studies were selected on the effects of exercise and possible mechanisms that may explain the effects of exercise on insomnia. We identified five studies that met our inclusion criteria for systematic review. Exercise training is effective at decreasing sleep complaints and insomnia. Aerobic exercise has been more extensively studied, and its effects are similar to those observed after hypnotic medication use. Mechanisms are proposed to explain the effects of exercise on insomnia. There is additional documented evidence on the antidepressant and anti-anxiety effects of exercise. Exercise is effective to decrease sleep complaints and to treat chronic insomnia. Exercise presented similar results when compared with hypnotics; however, prospective studies comparing the effects of exercise with medical and non-medical treatments are warranted before including exercise as a first-line treatment for chronic insomnia are necessary.

https://doi.org/10.6061/clinics/2012(06)17 8153 downloads

15.

Perfil cardiovascular em pacientes com apneia obstrutiva do sono
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Cintra, Fátima Dumas

; Tufik, Sergio

; Paola, Angelo de

; Feres, Márcia C.

; Melo-Fujita, Luciane

; Oliveira, Wercules

; Rizzi, Camila

; Poyares, Dalva

Arquivos Brasileiros de Cardiologia

Journal Metrics
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apr 2011, Volume 96 N. 4 Pages 293 - 299

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

FUNDAMENTO: Apneia Obstrutiva do Sono (AOS) é um fator de risco para várias condições cardiovasculares incluindo aumento na mortalidade cardiovascular. Sendo assim, é essencial o conhecimento das principais repercussões cardiovasculares dos distúrbios respiratórios do sono durante uma avaliação clínica. OBJETIVO: Analisar as características cardiovasculares de pacientes com AOS. MÉTODOS: Pacientes submetidos a polissonografia basal foram consecutivamente selecionados do banco de dados do Instituto do Sono entre março de 2007 e março de 2009. Todos os pacientes foram orientados a comparecer ao ambulatório para coleta de sangue, exame físico, eletrocardiograma de 12 derivações, espirometria, teste cardiopulmonar em esteira ergométrica e ecocardiograma transtorácico. O estudo foi aprovado pelo comitê de ética e pesquisa e registrado no site http://clinicaltrials.gov/ sob o número: NCT00768625. RESULTADOS: Foram analisados 261 pacientes e 108 controles. As principais características dos pacientes com AOS foram: obesidade, hipertensão, baixos níveis plasmáticos de lipoproteínas de alta densidade (HDL) e aumento no diâmetro do átrio esquerdo quando comparados com controles (3,75 ± 0,42; 3,61 ± 0,41, p = 0,001), respectivamente. Essas características associadas correspondem a um acréscimo de 16,6 vezes na probabilidade de ocorrência de AOS independentemente do relato de algum sintoma dessa desordem, como sonolência ou ronco. CONCLUSÃO: Na amostra avaliada, o perfil cardiovascular dos pacientes com AOS mais encontrado foi: obesidade, hipertensão arterial, baixos níveis plasmáticos de HDL e átrio esquerdo com diâmetro aumentado.

BACKGROUND: Obstructive Sleep Apnea (OSA) is a risk factor for several cardiovascular conditions including increased cardiovascular mortality. It is therefore essential to know the major cardiovascular effects of sleep-disordered breathing during a clinical evaluation. OBJECTIVE: To analyze the cardiovascular characteristics of patients with OSA. METHODS: Patients underwent baseline polysomnography and were consecutively selected from the database of the Sleep Institute between March 2007 and March 2009. All patients were instructed to attend the clinic for blood collection, physical examination, 12-lead electrocardiogram, spirometry, cardiopulmonary exercise testing on a treadmill and transthoracic echocardiography. The study was approved by the Research Ethics Committee and recorded at http://clinicaltrials.gov/ under number: NCT00768625. RESULTS: We analyzed 261 patients and 108 controls. The main characteristics of patients with OSA were: obesity, hypertension, low plasma levels of high density lipoprotein (HDL) and increased left atrial diameter compared with controls (3.75 ± 0.42; 3.61 ± 0.41, p = 0.001), respectively. These associated characteristics correspond to a 16.6 increase in the likelihood of OSA regardless of reporting any symptoms of this disorder, such as sleepiness or snoring. CONCLUSION: In the sample studied, the mostly found cardiovascular profile of patients with OSA was: obesity, hypertension, low plasma levels of HDL and left atrial diameter increased.

FUNDAMENTO: Apnea obstructiva del sueño (AOS) es un factor de riesgo para diversas condiciones cardiovasculares, incluido el aumento en la mortalidad cardiovascular. Por tanto, es imprescindible conocer las principales repercusiones cardiovasculares de los trastornos respiratorios del sueño durante una evaluación clínica. OBJETIVO:Analizar las características cardiovasculares de pacientes con AOS. MÉTODOS:Los pacientes sometidos a la polisomnografía basal fueron seleccionados de forma consecutiva a partir del banco de datos del Instituto del Sueño entre marzo de 2007 y marzo de 2009. Todos los pacientes fueron orientados a comparecer al ambulatorio para la recolección de sangre, examen físico, electrocardiograma de 12 derivaciones espirometria, prueba cardiopulmonar en cinta ergométrica y ecocardiograma transtorácico. El estudio fue aprobado por el comité de ética e investigación y registrado en la página web http://clinicaltrials.gov/ con el número: NCT00768625. RESULTADOS:Se analizaron a 261 pacientes y 108 controles. Las principales características de los pacientes con AOS fueron: la obesidad, la hipertensión, los bajos niveles plasmáticos de lipoproteínas de alta densidad (HDL) y el aumento de diámetro de la aurícula izquierda en comparación con los controles (3,75 1 0,42, 3,61 1 0,41, p = 0,001), respectivamente. Estas características asociadas corresponden a un aumento de 16,6 veces en la probabilidad de ocurrencia de AOS, independientemente de reportar cualquier síntoma de este trastorno, como la somnolencia o el ronquido. CONCLUSIÓN:En la muestra estudiada, el perfil cardiovascular de los pacientes con AOS más encontrado ha sido: obesidad, hipertensión arterial, bajos niveles plasmáticos de HDL y el diámetro de la aurícula izquierda mayor.

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