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Sleep disordered breathing

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https://www.readbyqxmd.com/read/29329966/-overview-of-the-knowledge-and-attitudes-of-physicians-in-brazzaville-on-obstructive-sleep-apnea-syndrome
#1
E L P Bemba, A R Ouedraogo, G C Ngouoni, R G Bopaka, P P Koumeka, K B Ossale Abacka, J Mboussa
INTRODUCTION: Obstructive sleep apnea syndrome (OSAS) is the leading sleep-related breathing disorder. Its complications and its repercussions on the quality of life of patients make the OSAS a real public health problem. The objective of this study is to both asses physicians knowledge of OSAS and describe their attitudes towards suspect subjects in Brazzaville. MATERIAL AND METHOD: This was a cross-sectional study of 230 doctors practicing in various hospitals in the city of Brazzaville...
January 9, 2018: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29327733/orthopaedic-treatment-effects-of-functional-therapy-on-the-sagittal-pharyngeal-dimensions-in-subjects-with-sleep-disordered-breathing-and-class-ii-malocclusion
#2
C Pavoni, E Cretella Lombardo, R Lione, P Bollero, F Ottaviani, P Cozza
The purpose of this cephalometric study was to evaluate the craniofacial changes induced by functional treatment of mandibular advancement with special regard to pharyngeal sagittal airway dimensions, tongue and hyoid bone position in subjects with sleep-disordered breathing (SDB) and dentoskeletal Class II malocclusions compared with an untreated Class II control group. 51 subjects (24 female, 27 male; mean age 9.9 ± 1.3 years) with Class II malocclusion and SDB consecutively treated with a functional appliance (Modify Monobloc, MM) were compared with a control group of 31 subjects (15 males, 16 females; mean age 10...
December 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29327119/nocturnal-hypoxemic-burden-is-associated-with-epicardial-fat-volume-in-patients-with-acute-myocardial-infarction
#3
Dominik Linz, Stefan Colling, Wolfgang Nußstein, Kurt Debl, Mathias Hohl, Claudia Fellner, Michael Böhm, Lars S Maier, Okka W Hamer, Stefan Buchner, Michael Arzt
BACKGROUND: Increased epicardial fat volume (EFV) is a common feature of patients with sleep-disordered breathing (SDB), is considered as an established marker of cardiovascular risk, and is associated with adverse cardiovascular events after myocardial infarction (MI). METHODS: To investigate the association between different measures of SDB severity and EFV after acute MI, we enrolled 105 patients with acute MI in this study. Unattended in-hospital polysomnography was performed to determine the number of apneas and hypopneas per hour during sleep (apnea-hypopnea index, AHI)...
January 11, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29324406/a-novel-multi-class-eeg-based-sleep-stage-classification-system
#4
Pejman Memar, Farhad Faradji
Sleep stage classification is one of the most critical steps in effective diagnosis and the treatment of sleep-related disorders. Visual inspection undertaken by sleep experts is a time-consuming and burdensome task. A computer-assisted sleep stage classification system is thus essential for both sleep-related disorders diagnosis and sleep monitoring. In this paper, we propose a system to classify the wake and sleep stages with high rates of sensitivity and specificity. The EEG signals of 25 subjects with suspected sleep-disordered breathing, and the EEG signals of 20 healthy subjects from three data sets are used...
January 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29318566/diagnostic-accuracy-of-level-iv-portable-sleep-monitors-versus-polysomnography-for-obstructive-sleep-apnea-a-systematic-review-and-meta-analysis
#5
REVIEW
Lusine Abrahamyan, Yeva Sahakyan, Suzanne Chung, Petros Pechlivanoglou, Joanna Bielecki, Steven M Carcone, Valeria E Rac, Michael Fitzpatrick, Murray Krahn
PURPOSE: Obstructive sleep apnea (OSA) is the most common sleep-related breathing disorder. In-laboratory, overnight type I polysomnography (PSG) is the current "gold standard" for diagnosing OSA. Home sleep apnea testing (HSAT) using portable monitors (PMs) is an alternative testing method offering better comfort and lower costs. We aimed to systematically review the evidence on diagnostic ability of type IV PMs compared to PSG in diagnosing OSA. METHODS: Participants: patients ≥16 years old with symptoms suggestive of OSA;intervention: type IV PMs (devices with < 2 respiratory channels); comparator: in-laboratory PSG; outcomes: diagnostic accuracy measures;studies: cross-sectional, prospective observational/experimental/quasi-experimental studies; information sources: MEDLINE and Cochrane Library from January 1, 2010 to May 10, 2016...
January 9, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29318372/severe-obstructive-sleep-disorders-in-prader-willi-syndrome-patients-in-southern-italy
#6
Angelo Canora, Adriana Franzese, Enza Mozzillo, Valentina Fattorusso, Marialuisa Bocchino, Alessandro Sanduzzi
Sleep-related disordered breathing (SDB) is very common in paediatric patients affected by Prader-Willi Syndrome (PWS). However, data addressing SBD patterns and their management are lacking. The aim of the present study was to analyse SDB features in 14 PWS patients (age range, 8 months-17 years). Polygraphic registration (PG) during a 12-h nocturnal sleep was performed in all patients. Obstructive and central apnoea indices and oxygen saturation (SpO2) were recorded along with demographic and clinical data...
January 9, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29303287/-cardiovascular-risk-of-sleep-apnoea-and-case-report
#7
Jana Vyskočilová
The most frequently occurring sleep breathing disorders include sleep apnoea which in particular negatively affects quality of sleep, thereby affecting all organs in the body. Among the severe complications of untreated sleep apnoea are cardiovascular diseases including the most serious complication - sudden death in sleep due to a severe heart rhythm disorder.Key words: central sleep apnoea - cardiovascular diseases - obstructive sleep apnoea - sleep apnoea.
2018: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29301855/gene-editing-as-a-promising-approach-for-respiratory-diseases
#8
Yichun Bai, Yang Liu, Zhenlei Su, Yana Ma, Chonghua Ren, Runzhen Zhao, Hong-Long Ji
Respiratory diseases, which are leading causes of mortality and morbidity in the world, are dysfunctions of the nasopharynx, the trachea, the bronchus, the lung and the pleural cavity. Symptoms of chronic respiratory diseases, such as cough, sneezing and difficulty breathing, may seriously affect the productivity, sleep quality and physical and mental well-being of patients, and patients with acute respiratory diseases may have difficulty breathing, anoxia and even life-threatening respiratory failure. Respiratory diseases are generally heterogeneous, with multifaceted causes including smoking, ageing, air pollution, infection and gene mutations...
January 4, 2018: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29301601/role-of-ros-kv-hif-axis-in-the-development-of-hypoxia-induced-pulmonary-hypertension
#9
Wen Wu, Yan Li, Dun-Quan Xu
Hypoxic pulmonary hypertension (HPH) is a common complication in patients with chronic obstructive pulmonary disease (COPD), sleep-disordered breathing, or dwellers in high altitude. The exact mechanisms underlying the development of HPH still remain unclear. Reactive oxygen species (ROS), hypoxia inducible factors (HIF), and potassium channels (KV) are believed as the main factors during the development of HPH. We propose that the "ROS/Kv/HIF axis" may play an important initiating role in the development of HPH...
December 30, 2017: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/29300271/obstructive-sleep-apnoea-in-adults-peri-operative-considerations-a-narrative-review
#10
Martin Roesslein, Frances Chung
: Obstructive sleep apnoea (OSA) is a common breathing disorder of sleep with a prevalence increasing in parallel with the worldwide rise in obesity. Alterations in sleep duration and architecture, hypersomnolence, abnormal gas exchange and also associated comorbidities may all feature in affected patients.The peri-operative period poses a special challenge for surgical patients with OSA who are often undiagnosed, and are at an increased risk for complications including pulmonary and cardiovascular, during that time...
January 2, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29288726/phenylethanolamine-n-methyltransferase-gene-expression-in-pc12-cells-exposed-to-intermittent-hypoxia
#11
Sandhya Khurana, Siyuan Peng, Erika McDonald, William Yates, Krishnan Venkataraman, T C Tai
Epidemiological studies show a strong correlation between Obstructive Sleep Apnea (OSA) and cardiovascular disorders. OSA patients experience intermittent hypoxia (IH), characterized by brief, but recurring episodes of cessation in breathing. These patients have higher levels of circulating catecholamines and an increased incidence of hypertension; however the mechanisms defining this association are not clearly established. Genetic linkage studies have associated the phenylethanolamine N-methyltransferase (PNMT) gene to the development of hypertension...
December 27, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29287215/impact-of-vagus-nerve-stimulation-on-sleep-related-breathing-disorders-in-adults-with-epilepsy
#12
Aude Salvadé, Philippe Ryvlin, Andrea O Rossetti
BACKGROUND: Vagus nerve stimulation (VNS) can induce a sleep apnea syndrome (SAS), which in turn can worsen seizure control and represents a cardiovascular risk factor. Epidemiology of VNS-induced SAS has received little attention to date. The purpose of this study was to estimate the VNS-induced SAS prevalence and to explore clinical variables potentially correlating with its development. METHODS: We analyzed the computerized medical records of 18 consecutive adults treated for refractory epilepsy with VNS, implanted between May 2008 and October 2015...
December 26, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29280229/subjective-sleep-related-variables-in-those-who-have-and-have-not-experienced-sleep-paralysis
#13
Dan Denis, Christopher C French, Melanie N Schneider, Alice M Gregory
Research suggests that poor sleep quality is related to the occurrence of sleep paralysis, although the precise relationship between these two variables is unknown. This association has generated interest due to the related possibility that improving sleep quality could help to combat episodes of sleep paralysis. To date, studies examining the association between sleep quality and sleep paralysis have typically measured sleep quality using general measures such as the global score of the Pittsburgh Sleep Quality Index (PSQI)...
December 27, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/29262470/-sleep-problems-and-the-association-with-the-levels-of-6-sulfatoxymelatonin-in-children-with-autism-spectrum-disorder
#14
P P Han, M Y Zou, X L Yang, X C Liu, S Liang, C H Sun, W Xia, L J Wu
Objective: To identify the prevalence of sleep problems in children with autism spectrum disorder (ASD) and to explore the association with the main melatonin metabolite, 6-sulfatoxymelatonin (6-SM). Method: This was a prospective case-control study. Children with ASD were recruited from Child Development and Behavioral Research Center (CDBRC) of the Harbin Medical University and Harbin Special Education School from October 2015 to April 2017 (ASD group) . Healthy controls were selected from five kindergartens and one primary school in Harbin by the stratified cluster random sampling (control group) ...
December 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29261679/distinct-impacts-of-sleep-disordered-breathing-on-glycemic-variability-in-patients-with-and-without-diabetes-mellitus
#15
Kei Nakata, Takayuki Miki, Masaya Tanno, Hirofumi Ohnishi, Toshiyuki Yano, Atsuko Muranaka, Tatsuya Sato, Hiroto Oshima, Yuki Tatekoshi, Masashi Mizuno, Koki Abe, Tetsuji Miura
BACKGROUND: Sleep-disordered breathing (SDB) is highly prevalent in patients with diabetes mellitus (DM) and heart failure (HF) and contributes to poor cardiovascular outcomes. Enlarged glycemic variability (GV) is a risk factor of cardiac events independently of average blood glucose level, but the influence of SDB on GV is uncertain. In this study, we examined whether the impact of SDB on GV is modified by the presence of DM with or without HF. METHODS AND RESULTS: Two hundred three patients (67...
2017: PloS One
https://www.readbyqxmd.com/read/29259741/2-arylidene-hydrazinecarbodithioates-as-potent-selective-inhibitors-of-cystathionine-%C3%AE-lyase-cse
#16
Abir Bhattacharjee, Antara Sinha, Kiira Ratia, Liang Yin, Loruhama Delgado-Rivera, Pavel A Petukhov, Gregory R J Thatcher, Duncan J Wardrop
Hydrogen sulfide is produced from l-cysteine by the action of both cystathionine γ-lyase (CSE) and cystathionine β-synthase (CBS) and increasingly has been found to play a profound regulatory role in a range of physiological processes. Mounting evidence suggests that upregulation of hydrogen sulfide biosynthesis occurs in several disease states, including rheumatoid arthritis, hypertension, ischemic injury, and sleep-disordered breathing. In addition to being critical tools in our understanding of hydrogen sulfide biology, inhibitors of CSE hold therapeutic potential for the treatment of diseases in which increased levels of this gasotransmitter play a role...
December 14, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29259576/obstructive-sleep-apnea-phenotypes-and-markers-of-vascular-disease-a-review
#17
REVIEW
Alberto R Ramos, Pedro Figueredo, Shirin Shafazand, Alejandro D Chediak, Alexandre R Abreu, Salim I Dib, Carlos Torre, Douglas M Wallace
Obstructive sleep apnea (OSA) is a chronic and heterogeneous disorder that leads to early mortality, stroke, and cardiovascular disease (CVD). OSA is defined by the apnea-hypopnea index, which is an index of OSA severity that combines apneas (pauses in breathing) and hypopneas (partial obstructions in breathing) associated with hypoxemia. Yet, other sleep metrics (i.e., oxygen nadir, arousal frequency), along with clinical symptoms and molecular markers could be better predictors of stroke and CVD outcomes in OSA...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29249648/congenital-central-hypoventilation-syndrome-an-overview-of-etiopathogenesis-associated-pathologies-clinical-presentation-and-management
#18
REVIEW
Saher Zaidi, Jason Gandhi, Sohrab Vatsia, Noel L Smith, Sardar Ali Khan
Congenital central hypoventilation syndrome (CCHS), known colloquially as Ondine's curse, is a rare disorder characterized by impaired autonomic control of breathing during sleep from the loss of vagal input and diminished sensitivity of CO2 receptors in the medulla. CCHS correlates to the malformation of the neural crest located in the brainstem; this consequently affects the loss of sensitivity of CO2 chemoreceptors, bringing about hypoventilation during sleep. The primary cause of CCHS is the mutation of the paired-like homeobox PHO2XB gene, found in 90% of the patients...
November 13, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29249245/relationship-between-sleep-disordered-breathing-and-renal-dysfunction-in-acute-coronary-syndrome
#19
Masayoshi Kiyokuni, Chika Kawashima, Masaaki Konishi, Kentaro Sakamaki, Kiwamu Iwata, Naoki Nakayama, Naohiro Komura, Masami Kosuge, Teruyasu Sugano, Tomoaki Ishigami, Tsutomu Endo, Toshiyuki Ishikawa, Takeharu Yamanaka, Kazuo Kimura, Kouichi Tamura
BACKGROUND: Sleep-disordered breathing (SDB) is associated with cardiovascular complications. However, the effect of SDB on renal function in patients with acute coronary syndrome (ACS) treated by percutaneous coronary intervention (PCI) remains unclear. METHODS: We enrolled 154 consecutive ACS patients without heart failure. A sleep study was performed immediately after PCI. RESULTS: The mean apnea-hypopnea index (AHI) was 16.4±13.1, and 33 patients (21%) had severe SDB, defined as AHI≥25...
February 2018: Journal of Cardiology
https://www.readbyqxmd.com/read/29247296/decrease-of-perforin-positive-cd3-%C3%AE-%C3%AE-t-cells-in-patients-with-obstructive-sleep-disordered-breathing
#20
Richard Staats, Raquel Rodrigues, André Barros, Leonor Bacelar-Nicolau, Margarida Aguiar, Dina Fernandes, Susana Moreira, André Simões, Bruno Silva-Santos, João Valença Rodrigues, Cristina Barbara, António Bugalho de Almeida, Luis Ferreira Moita
INTRODUCTION: Sleep related breathing disorders (SRBD) cause sleep fragmentation, intermittent hypoxia or a combination of both leading to homeostasis perturbations, including in the immune system. We investigated whether SRBD patients with or without intermittent hypoxia show substantial differences in perforin and granzyme-B positive peripheral blood lymphocytes. METHODS: A total of 87 subjects were included and distributed as follows: 24 controls (C), 19 patients with respiratory effort related arousals due to increased upper airway resistance (UAR) without hypoxic events, 24 obese patients with obstructive sleep apnea (OSA) (oOSA), and 20 without obesity (noOSA)...
December 15, 2017: Sleep & Breathing, Schlaf & Atmung
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