|
|
|
| Registros recuperados: 37 | |
|
|
| Antunes,H.K.; De Mello,M.T.; Santos-Galduróz,R.F.; Galduróz,J.C.F.; Lemos,V.Aquino; Tufik,S.; Bueno,O.F.A.. |
| The aim of this study was to investigate the effects of a 6-month exercise program on cognitive function and blood viscosity in sedentary elderly men. Forty-six healthy inactive men, aged 60–75 years were randomly distributed into a control group (n=23) and an experimental group (n=23). Participants underwent blood analysis and physical and memory evaluation, before and after the 6-month program of physical exercise. The control group was instructed not to alter its everyday activities; the experimental group took part in the fitness program. The program was conducted using a cycle ergometer, 3 times per week on alternate days, with intensity and volume individualized at ventilatory threshold 1. Sessions were continuous and maximum duration was 60 min... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cognition; Elderly adults; Physical exercise. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015000900805 |
| |
|
| |
|
|
| Pires,M.L.N.; Teixeira,C.W.; Esteves,A.M.; Bittencourt,L.R.A.; Silva,R.S.; Santos,R.F.; Tufik,S.; Mello,M.T.. |
| Studies have shown that the frequency or worsening of sleep disorders tends to increase with age and that the ability to perform circadian adjustments tends to decrease in individuals who work the night shift. This condition can cause consequences such as excessive sleepiness, which are often a factor in accidents that occur at work. The present study investigated the effects of age on the daytime and nighttime sleep patterns using polysomnography (PSG) of long-haul bus drivers working fixed night or day shifts. A total of 124 drivers, free of sleep disorders and grouped according to age (<45 years, N = 85, and ≥45 years, N = 39) and PSG timing (daytime (D) PSG, N = 60; nighttime (N) PSG, N = 64) participated in the study. We observed a significant... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sleep; Shift work; Night work; Aging; Polysomnography; REM; Slow wave sleep (SWS). |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009000900011 |
| |
|
|
| Pandi-Perumal,S.R.; Verster,J.C.; Kayumov,L.; Lowe,A.D.; Santana,M.G.; Pires,M.L.N.; Tufik,S.; Mello,M.T.. |
| Sleep disorders are not uncommon and have been widely reported throughout the world. They have a profound impact on industrialized 24-h societies. Consequences of these problems include impaired social and recreational activities, increased human errors, loss of productivity, and elevated risk of accidents. Conditions such as acute and chronic insomnia, sleep loss, excessive sleepiness, shift-work, jet lag, narcolepsy, and sleep apnea warrant public health attention, since residual sleepiness during the day may affect performance of daily activities such as driving a car. Benzodiazepine hypnotics and zopiclone promote sleep, both having residual effects the following day including sleepiness and reduced alertness. In contrast, the non-benzodiazepine... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sleep disorders; Sleepiness; Automobile and truck drivers; Automobile traffic; Public health. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000700003 |
| |
|
|
| Cassilhas,R.C.; Lee,K.S.; Venâncio,D.P.; Oliveira,M.G.M.; Tufik,S.; Mello,M.T.. |
| It has been demonstrated that resistance exercise improves cognitive functions in humans. Thus, an animal model that mimics this phenomenon can be an important tool for studying the underlying neurophysiological mechanisms. Here, we tested if an animal model for resistance exercise was able to improve the performance in a hippocampus-dependent memory task. In addition, we also evaluated the level of insulin-like growth factor 1/insulin growth factor receptor (IGF-1/IGF-1R), which plays pleiotropic roles in the nervous system. Adult male Wistar rats were divided into three groups (N = 10 for each group): control, SHAM, and resistance exercise (RES). The RES group was submitted to 8 weeks of progressive resistance exercise in a vertical ladder apparatus,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Physical exercise; Passive avoidance; Insulin-like growth factor 1; Resistance training; Hippocampus; Memory. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012001200015 |
| |
|
| |
|
|
| Mello,M.T.; Santana,M.G.; Souza,L.M.; Oliveira,P.C.S.; Ventura,M.L.; Stampi,C.; Tufik,S.. |
| Sleep-related complaints have become a highlight for physicians as well as public health administrators. Studies of sleep patterns and sleep-related complaints of shift workers have been useful in minimizing reduction in the quality of life due to the warping of the sleep-wake cycle. The objective of the present study was to assess patterns of sleep, sleep-related complaints as well as physical activity and scoring rates for depression and anxiety in interstate bus drivers. Data were obtained with a sleep questionnaire, with the Beck inventory for depression, and the State-Trait Anxiety Inventory (STAI). A total of 400 interstate bus drivers from the northern, southern, central-western and south-eastern regions of Brazil were interviewed. Sixty percent of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sleep; Sleep-related disorders; Shift workers; Depression; Anxiety; Physical activity. |
| Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000000100010 |
| |
|
|
| Roizenblatt,M.; Rosa Neto,N.S.; Tufik,S.; Roizenblatt,S.. |
| Pain and sleep share mutual relations under the influence of cognitive and neuroendocrine changes. Sleep is an important homeostatic feature and, when impaired, contributes to the development or worsening of pain-related diseases. The aim of the present review is to provide a panoramic view for the generalist physician on sleep disorders that occur in pain-related diseases within the field of Internal Medicine, such as rheumatic diseases, acute coronary syndrome, digestive diseases, cancer, and headache. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sleep disorders; Rheumatic diseases; Acute coronary syndrome; Irritable bowel syndrome; Cancer; Headache. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012000900001 |
| |
|
|
| Martinho,F.L.; Zonato,A.I.; Bittencourt,L.R.A.; Soares,M.C.M.; Silva,R.F.N.; Gregório,L.C.; Tufik,S.. |
| The physiopathology of obstructive sleep apnea-hypopnea syndrome (OSAHS) is multifactorial and obesity has been shown to be one of the main factors correlated with its occurrence. In obese patients with anatomical alterations of the upper airways it is often difficult to predict success for surgical correction since obesity is a limiting factor. Therefore, the aim of the present study was to evaluate the results of tonsillectomy in a specific group of patients, i.e., obese OSAHS patients with tonsil hypertrophy. Seven OSAHS patients with moderate obesity with obstructive palatine tonsil hypertrophy were submitted to tonsillectomy. All patients were submitted to pre- and postoperative appraisal of body mass index, otorhinolaryngology examination and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sleep apnea syndrome; Obesity; Surgery; Tonsillectomy; Apnea and hypopnea index. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000800017 |
| |
|
|
| Pinto Jr.,L.R.; Peres,C.A.; Russo,R.H.; Remesar-Lopez,A.J.; Tufik,S.. |
| We sought to examine the possible participation of dopaminergic receptors in the phasic events that occur during rapid eye movement (REM) sleep, known as sawtooth waves (STW). These phasic phenomena of REM sleep exhibit a unique morphology and, although they represent a characteristic feature of REM sleep, little is known about the mechanisms which generate them and which are apparently different from rapid eye movements. STW behavior was studied in 10 male volunteers aged 20 to 35 years, who were submitted to polysomnographic monitoring (PSG). On the adaptation night they were submitted to the first PSG and on the second night, to the basal PSG. On the third night the volunteers received placebo or haloperidol and spent the whole night awake. On the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sawtooth waves; REM sleep; Sleep deprivation; Dopaminergic receptors; Rapid eye movements; Haloperidol. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2002000500013 |
| |
|
|
| Martins,R.C.; Andersen,M.L.; Tufik,S.. |
| Type 2 diabetes mellitus is a systemic disease characterized by intolerance to glucose and peripheral resistance to insulin. This endocrine disease affects fundamental mechanisms of the central nervous system and jeopardizes the balance of vital functions such as the cardiovascular and circadian rhythm. The increased prevalence of metabolic disorders in our society is aggravated by endemic voluntary postponement of bedtime and by the current sedentary lifestyle, leading to epidemic proportions of obese people. Diabetes and chronic loss of sleep share the fact that both affect millions and one is detrimental to the other. Indeed, sleep deficits have marked modulatory effects on glucose metabolism and insulin sensitivity and foster metabolic syndrome that... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Diabetes; Metabolic syndrome; Obesity; Apnea; Sleep. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000300001 |
| |
|
|
| Andersen,M.L.; Bignotto,M.; Machado,R.B.; Tufik,S.. |
| Since both paradoxical sleep deprivation (PSD) and stress alter male reproductive function, the purpose of the present study was to examine the influence of PSD and other stressors (restraint, electrical footshock, cold and forced swimming, N = 10 per group) on steroid hormones in adult Wistar male rats. Rats were submitted to chronic stress for four days. The stressors (footshock, cold and forced swimming) were applied twice a day, for periods of 1 h at 9:00 and 16:00 h. Restrained animals were maintained in plastic cylinders for 22 h/day whereas PSD was continuous. Hormone determination was measured by chemiluminescent enzyme immunoassay (testosterone), competitive immunoassay (progesterone) and by radioimmunoassay (corticosterone, estradiol, estrone).... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Paradoxical sleep deprivation; Stress; Testosterone; Progesterone; Estrogen; Corticosterone. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004000600003 |
| |
|
| |
|
|
| Steinberg,L.L.; Lauro,F.A.A.; Sposito,M.M.M.; Tufik,S.; Mello,M.T.; Naffah-Mazzacoratti,M.G.; Cavalheiro,E.A.; Silva,A.C.. |
| The purpose of this study was to investigate the effect of the level of injury on the serum level of norepinephrine (Nor) and epinephrine (Epi) at rest and after maximal exercise in individuals with paraplegia. Twenty-six male spinal cord-injured subjects with complete paraplegia for at least 9 months were divided into two groups of 13 subjects each according to the level of injury, i.e., T1-T6 and T7-T12. Serum Nor and Epi concentrations were measured by HPLC-ECD, at rest (PRE) and immediately after a maximal ergospirometric test (POST). Statistical analysis was performed using parametric and non-parametric tests. Maximal heart rate, peak oxygen uptake, and PRE and POST Nor were lower in the T1-T6 than in the T7-T12 group (166 ± 28 vs 188 ± 10 bpm; 18.0 ±... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Catecholamines; Paraplegia; Exercise; Norepinephrine; Epinephrine; Spinal cord injury. |
| Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000000800007 |
| |
|
| |
|
|
| Martinho,F.L.; Tangerina,R.P.; Moura,S.M.G.T.; Gregório,L.C.; Tufik,S.; Bittencourt,L.R.A.. |
| Our aim was to determine if anatomical abnormalities of the upper airway (UA) and facial skeleton of class III severely obese patients are related to the presence and severity of obstructive sleep apnea syndrome (OSAS). Forty-five patients (69% females, mean age 46.5 ± 10.8 years) with a body mass index (BMI) over 40 kg/m² underwent UA and facial skeletal examinations as well as polysomnography. Mean BMI was 49 ± 7 kg/m² and mean neck circumference was 43.4 ± 5.1 cm. Polysomnographic findings showed that 22% had a normal apnea-hypopnea index (AHI) and 78% had an AHI over 5. The presence of OSAS was associated with younger age (P = 0.02), larger neck circumference (P = 0.004), presence of a voluminous lateral wall (P = 0.0002), posteriorized soft palate (P... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Obesity; Obstructive sleep apnea syndrome; Snore; Physical examination; Predictors. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008001200008 |
| |
|
| |
|
| |
|
| |
|
|
| Lopes,M.C.; Guilleminault,C.; Rosa,A.; Passarelli,C.; Roizenblatt,S.; Tufik,S.. |
| The objective of the present study was to evaluate the expression of a cyclic alternating pattern (CAP) in slow wave sleep (SWS) in children with the well-defined chronic syndrome juvenile idiopathic arthritis (JIA). Twelve patients (9-17 years of age), 7 girls, with JIA were compared to matched controls by age, pubertal stage and gender. After one night of habituation in the sleep laboratory, sleep measurements were obtained by standard polysomnography with conventional sleep scoring and additional CAP analyses. The sleep parameters of the JIA and control groups were similar for sleep efficiency (91.1 ± 6.7 vs 95.8 ± 4.0), sleep stage in minutes: stage 1 (16.8 ± 8.5 vs 17.8 ± 4.0), stage 2 (251.9 ± 41 vs 262.8 ± 38.1), stage 3 (17.0 ± 6.0 vs 15.1 ± 5.7),... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Children; Chronic-arthritis; Cyclic alternating pattern; Sleep fragmentation. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008001000018 |
| |
| Registros recuperados: 37 | |
|
|
|
