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Sleep & Breathing, Schlaf & Atmung

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https://www.readbyqxmd.com/read/28210922/resting-cerebral-blood-flow-alteration-in-severe-obstructive-sleep-apnoea-an-arterial-spin-labelling-perfusion-fmri-study
#1
Si Nie, De-Chang Peng, Hong-Han Gong, Hai-Jun Li, Li-Ting Chen, Cheng-Long Ye
STUDY OBJECTIVES: The aim of this study is to investigate changes in regional cerebral blood flow (rCBF) in awake people with untreated severe obstructive sleep apnoea (OSAs) compared with good sleepers (GSs). DESIGN: Arterial spin labelling perfusion imaging was used to quantify cerebral perfusion based on resting-state functional magnetic resonance imaging (MRI). SETTING: Lying supine in a 3.0-T magnetic resonance imaging scanner in the night was done...
February 16, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28197893/gender-differences-in-clinical-and-polysomnographic-features-of-obstructive-sleep-apnea-a-clinical-study-of-2827-patients
#2
Ozen K Basoglu, Mehmet Sezai Tasbakan
PURPOSE: Obstructive sleep apnea (OSA) is underdiagnosed in females due to different clinical presentation. We aimed to determine the effect of gender on clinical and polysomnographic features and identify predictors of OSA in women. METHODS: Differences in demographic, clinical, and polysomnographic parameters between 2052 male and 775 female OSA patients were compared. RESULTS: In female OSA patients, age (56.1 ± 9.7 vs. 50.4 ± 11...
February 14, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28197892/the-effect-of-acute-aerobic-exercise-on-hemostasis-in-obstructive-sleep-apnea
#3
Ryan A Martin, Courtney Strosnider, Gabrielle Giersch, Christopher J Womack, Trent A Hargens
PURPOSE: Individuals with obstructive sleep apnea (OSA) have an altered hemostatic balance; however, the exercise response is less described. The purpose of this study is to determine the hemostatic response after acute aerobic exercise in obstructive sleep apnea. METHODS: Eighteen males (nine OSA vs. nine controls) were recruited from the university and local community. Individuals with evidence of cardiovascular, pulmonary, or metabolic disease were excluded. An apnea-hypopnea index (AHI) of >5 was a criterion for OSA...
February 14, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28190167/the-effect-of-intermittent-fasting-during-ramadan-on-sleep-sleepiness-cognitive-function-and-circadian-rhythm
#4
REVIEW
Shaden O Qasrawi, Seithikurippu R Pandi-Perumal, Ahmed S BaHammam
PURPOSE: Studies have shown that experimental fasting can affect cognitive function, sleep, and wakefulness patterns. However, the effects of experimental fasting cannot be generalized to fasting during Ramadan due to its unique characteristics. Therefore, there has been increased interest in studying the effects of fasting during Ramadan on sleep patterns, daytime sleepiness, cognitive function, sleep architecture, and circadian rhythm. METHOD: In this review, we critically discuss the current research findings in those areas during the month of Ramadan...
February 11, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28190166/intelligent-volume-assured-pressured-support-ivaps-for-the-treatment-of-congenital-central-hypoventilation-syndrome
#5
Abdullah Khayat, Debra Medin, Faiza Syed, Theo J Moraes, Saadoun Bin-Hasan, Indra Narang, Suhail Al-Saleh, Reshma Amin
PURPOSE: Congenital central hypoventilation syndrome (CCHS) is characterized by ventilatory insensitivity to hypercapnia and hypoxemia during sleep and/or wakefulness. Management of CCHS includes a long-term ventilation. However, ventilation can be challenging given differences in the control of breathing during different sleep stages. Intelligent volume-assured pressure support (iVAPS) is a mode of Bi-level positive airway pressure (BPAP) ventilation in which the pressure support is modulated to ensure a constant alveolar ventilation...
February 11, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28190165/losartan-attenuates-aortic-endothelial-apoptosis-induced-by-chronic-intermittent-hypoxia-partly-via-the-phospholipase-c-pathway
#6
Jie Ren, Wei Liu, Yan Deng, Guang-Cai Li, Yue-Ying Pan, Sheng Xie, Meng Jin, Hui-Guo Liu
PURPOSE: Endoplasmic reticulum (ER) stress is known to play key roles in the development of endothelial cell apoptosis induced by chronic intermittent hypoxia (CIH), and the angiotensin II-phospholipase C-inositol-1,4,5-triphosphate (AngII-PLC-IP3) pathway has been demonstrated to induce ER stress. To explore whether the AngII-PLC-IP3 pathway is involved in the vascular damage induced by CIH, we examined whether the AngII-PLC-IP3 pathway is involved in ER stress induced by CIH and whether losartan, a selective angiotensin II type 1 receptor (AT1R) blocker, could suppress endothelial cell apoptosis induced by CIH...
February 11, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28190164/periodic-limb-movements-in-sleep-are-followed-by-increases-in-eeg-activity-blood-pressure-and-heart-rate-during-sleep
#7
Mariusz Sieminski, Jan Pyrzowski, Markku Partinen
PURPOSE: Periodic limb movements in sleep (PLMS) are related to arousal, sympathetic activation, and increases in blood pressure (BP), but whether they are part of the arousal process or causative of it is unclear. Our objective was to assess the temporal distribution of arousal-related measures around PLMS. METHODS: Polysomnographic recordings of six patients with restless legs syndrome were analyzed. We analyzed 15 PLMS, plus three 5-s epochs before and after each movement, for every patient...
February 11, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28168435/is-obstructive-sleep-apnea-associated-with-the-presence-of-intracranial-cerebral-atherosclerosis
#8
Tae-Jin Song, Jung-Hyun Park, Kang Hyun Choi, Ju-Hee Kim, Yunseo Choi, Yoonkyung Chang, Hyeon Jin Kim, Jangsup Moon, Yong-Jae Kim, Hyang Woon Lee
PURPOSE: Intracranial cerebral atherosclerosis (ICAS) is one of critical atherosclerosis which closely related with stroke. Obstructive sleep apnea (OSA) is associated with systemic atherosclerosis, but it is unclear whether OSA is related with the presence of ICAS. We aimed to investigate the association between the presence of ICAS and severity of OSA in patients with suspected OSA. METHODS: This retrospective, cross-sectional study included 283 patients who suspected OSA (presence of one or more OSA-related symptom and high-risk category in Berlin questionnaire) and underwent polysomnography and brain magnetic resonance angiography (MRA)...
February 7, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28160131/renal-functions-in-obstructive-sleep-apnea-patients
#9
LETTER
Meral Uyar
No abstract text is available yet for this article.
February 3, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28160130/renal-function-in-patients-with-obstructive-sleep-apnea
#10
LETTER
Tomoyuki Kawada
No abstract text is available yet for this article.
February 3, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28155104/estimating-sleep-time-from-non-eeg-based-psg-signals-in-the-diagnosis-of-sleep-disordered-breathing
#11
M B Norman, C E Sullivan
PURPOSE: The purpose of this study was to use non-EEG PSG signals to estimate TST in order to diagnose SDB with a greater sensitivity than type 3 device methodology that relies on TRT. METHODS: Movement patterns were obtained from the thoracoabdominal signals of adult PSG recordings (n = 60) in the laboratory and the home. Parameters obtained allowed, with 95% certainty, identification of sleep and wake based on the duration of movements and quiescent time (Qd)...
February 3, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28155103/respiratory-disorders-and-the-prevalence-of-sleep-bruxism-among-schoolchildren-aged-8-to-11%C3%A2-years
#12
Clarissa Lopes Drumond, Débora Souto Souza, Júnia Maria Serra-Negra, Leandro Silva Marques, Maria Letícia Ramos-Jorge, Joana Ramos-Jorge
PURPOSE: The aim of this study was to evaluate the association between respiratory disorders and sleep bruxism, with an evaluation of demographic/socioeconomic factors and childhood stress as confounding variables. METHODS: A cross-sectional study was performed in the city of Diamantina, Brazil, with 448 randomly selected schoolchildren aged 8 to 11 years. The schoolchildren underwent an oral examination for the evaluation of bruxism. Parents/caregivers answered a questionnaire for the assessment of sleep bruxism; socioeconomic-demographic factors; and respiratory disorders, such as rhinitis, sinusitis, and bronchitis...
February 3, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28155102/stratification-of-cardiovascular-risk-in-patients-with-atrial-fibrillation-and-obstructive-sleep-apnea-validity-of-the-2mace-score
#13
Anna E Platek, Filip M Szymanski, Krzysztof J Filipiak, Alicja Dudzik-Plocica, Bartosz Krzowski, Grzegorz Karpinski
BACKGROUND: Risk stratification in patients with atrial fibrillation (AF) is critically important because this group is at high risk of mortality and morbidity. One of the comorbidities potentially affecting thromboembolic and total cardiovascular risk is obstructive sleep apnea (OSA). The aim of this study was to determine whether or not patients with atrial fibrillation and concomitant obstructive sleep apnea have a higher predicted cardiovascular risk than those without sleep-disordered breathing...
February 2, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28155101/intermittent-hypoxia-revisited-a-promising-non-pharmaceutical-strategy-to-reduce-cardio-metabolic-risk-factors
#14
Guillaume Costalat, Frederic Lemaitre, Barbara Tobin, Gillian Renshaw
PURPOSE: The study aims to investigate the effects of moderate intermittent hypoxia (IH) on key cardio-metabolic risk factors in overweight and obese subjects. METHODS: Six subjects were exposed to 10 sessions of moderate IH over 2 weeks (based on [Formula: see text]; ~70 min per session). Measures were made of blood glucose (GLU) and lactate (La(-)); high (HDLc) and low-density lipoproteins (LDLc); triglycerides (TRG), systolic (SBP), and diastolic blood pressure (DBP); and cardiac autonomic indices [root mean square of successive R-R interval differences (RMSSD) and short-term fractal scaling exponent (DFAα1)]...
February 2, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28130737/dexmedetomidine-versus-propofol-during-drug-induced-sleep-endoscopy-and-sedation-a-systematic-review
#15
REVIEW
Edward T Chang, Victor Certal, Sungjin A Song, Soroush Zaghi, Marina Carrasco-Llatas, Carlos Torre, Robson Capasso, Macario Camacho
BACKGROUND: The purpose of the present study is to review the international literature, using a systematic review, for studies comparing propofol and dexmedetomidine for drug-induced sleep endoscopy (DISE) or sedation in which there is a description of the effect of the agents on the upper airway and associated variables (e.g., vital signs, sedation scores). METHODS: This is a systematic review through October 4, 2016. PubMed/MEDLINE and four additional databases were accessed for this study...
January 27, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28130736/diurnal-variation-of-circulating-microvesicles-is-associated-with-the-severity-of-obstructive-sleep-apnoea
#16
András Bikov, László Kunos, Éva Pállinger, Zsófia Lázár, Adrián Kis, Gábor Horváth, György Losonczy, Zsolt István Komlósi
PURPOSE: Microvesicles (MVs) have been implicated in the pathomechanism of obstructive sleep apnoea (OSA); however, the results are inconsistent, possibly due to an unrevealed temporal variation in circulating MV levels. We aimed to investigate the diurnal changes of MV fractions in OSA. METHODS: Peripheral blood was taken from 18 patients with OSA and 9 healthy subjects at different time points (11:00, 17:00, 21:00, 01:30 and 06:00). Samplings were repeated in nine OSA patients after 2 months of continuous positive airway pressure (CPAP) therapy...
January 27, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28127672/the-effect-on-snoring-of-using-a-pillow-to-change-the-head-position
#17
Dorotheea Cazan, Uwe Mehrmann, Angela Wenzel, Joachim T Maurer
PURPOSE: Although not a disease, primary snoring often leads to social problems. In an earlier retrospective pilot study, we found hints that individuals were snoring less in a lateral versus a supine head position. The aim of this study is to elucidate on the effect of an anti-snoring pillow which changes the head position. METHODS: We designed an interventional, controlled, and randomized crossover study. It included 22 participants, between 18 and 78 years, who snored, had a BMI ≤ 30, and a sleep partner...
January 27, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28116544/changes-in-lower-incisor-irregularity-during-treatment-with-oral-sleep-apnea-appliances
#18
Niclas Norrhem, Hans Nemeczek, Marie Marklund
PURPOSE: The purpose of this study is to test the hypothesis that a flexible oral appliance without incisor coverage (OAFlex) increases the irregularity of the front teeth compared with a rigid appliance with incisor coverage (OARigid) in patients treated for obstructive sleep apnea (OSA). METHOD AND PATIENTS: Nineteen patients (10 men) who had used OARigid and 22 patients (19 men) who had used OAFlex with a median age of 61 years (IQR of 56 to 67 years) who had been treated during a median period of 2...
January 23, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28102484/the-role-played-by-gender-and-age-on-poor-sleep-quality-among-institutionalized-adolescents
#19
Ladyodeyse da Cunha Silva Santiago, Rafael Marinho Falcão Batista, Maria Julia Lyra, Breno Quintella Farah, Rodrigo Pinto Pedrosa, Ana Patrícia Siqueira Tavares Falcão, Rodrigo Cappato de Araújo, Marcos André Moura Dos Santos
PURPOSE: The aim of this study was to analyze the prevalence and association between sleep quality with gender and age and to examine the relation between age and the components of the PSQI in institutionalized adolescents. METHODS: High school internal students of both genders, aged between 14 and 19 years old, were analyzed. After a full clinical evaluation, the Pittsburg Sleep Quality Index Score was obtained from all participants. RESULTS: We studied 210 participants [male: 15...
January 19, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28101753/effect-and-safety-of-paroxetine-combined-with-zolpidem-in-treatment-of-primary-insomnia
#20
Z H Yu, X H Xu, S D Wang, M F Song, Y Liu, Y Yin, H J Mao, G Z Tang
PURPOSE: Primary insomnia is a persistent and recurrent disorder as well as a risk factor for depression. The aim of this study was to determine whether the zolpidem combined with paroxetine would be effective in the treatment of patients with primary insomnia. METHODS: Ninety patients meeting DSM-IV criteria for primary insomnia were randomly assigned to 8 weeks of treatment with zolpidem combined with paroxetine (the combined treatment group, n = 45) or zolpidem combined with placebo (the control group, n = 45)...
January 18, 2017: Sleep & Breathing, Schlaf & Atmung
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