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Sleep-disordered breathing

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https://www.readbyqxmd.com/read/29353391/detection-of-sleep-disordered-breathing-with-ambulatory-holter-monitoring
#1
Ian Grasso, Mark Haigney, David Mortara, Jacob F Collen, Jordanna Hostler, Aimee Moores, Karen Sheikh, William Kelly
PURPOSE: Obstructive sleep apnea (OSA) syndrome is a common condition that can impact clinical outcomes among patients with cardiovascular disease. Screening all subjects with heart disease via polysomnography (PSG) is costly and resource-limited. We sought to compare a Holter monitor-based algorithm to detect OSA to in-laboratory polysomnography (PSG). METHODS: Prospective cohort study of patients undergoing in-laboratory attended PSG for the evaluation of OSA...
January 20, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29352093/excessive-daytime-sleepiness-independently-predicts-increased-cardiovascular-risk-after-myocardial-infarction
#2
Jiang Xie, Fatima H Sert Kuniyoshi, Naima Covassin, Prachi Singh, Apoor S Gami, C Anwar A Chahal, Virend K Somers
BACKGROUND: Excessive daytime sleepiness (EDS), a common symptom among patients with sleep-disordered breathing, is closely associated with the development of cardiovascular diseases, but its long-term prognostic value is not completely understood. The aim of this study was to investigate whether EDS would be an independent prognostic factor after myocardial infarction. METHODS AND RESULTS: We prospectively recruited 112 post-myocardial infarction patients. The Epworth Sleepiness Scale was completed before polysomnography, and EDS was defined as a score ≥11...
January 19, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29351000/age-effects-on-cerebral-oxygenation-and-behavior-in-children-with-sleep-disordered-breathing
#3
Knarik Tamanyan, Lisa M Walter, Aidan Weichard, Margot J Davey, Gillian M Nixon, Sarah N Biggs, Rosemary Sc Horne
RATIONALE: Childhood sleep disordered breathing ranges in severity from primary snoring to obstructive sleep apnea and is associated with behavioral and neurocognitive deficits. It remains unknown why children with primary snoring, who do not experience peripheral oxygen desaturation or sleep fragmentation, experience similar daytime deficits as those with obstructive sleep apnea or why effects are age dependent. OBJECTIVE: To examine cerebral tissue oxygenation and oxygen extraction as an explanation for daytime deficits in children with primary snoring...
January 19, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29339545/perioperative-implementation-of-noninvasive-positive-airway-pressure-therapies
#4
REVIEW
David R Hillman, Carla R Jungquist, Dennis Auckley
Noninvasively applied positive airway pressure therapy (PAP) is available in 3 basic modes: continuous positive airway pressure (CPAP), bi-level positive airway pressure (BPAP), and adaptive servo-ventilation. These are in widespread use in home and hospital settings to treat a variety of disorders of ventilation or gas exchange, including obstructive sleep apnea, sleep-related hypoventilation, periodic breathing, acute and chronic hypercapnic respiratory failure, and acute respiratory failure. They are increasingly being used perioperatively to prevent or treat upper airway obstruction, hypoventilation, and periodic breathing, and they have been found to improve postoperative outcomes in the case of obstructive sleep apnea...
January 16, 2018: Respiratory Care
https://www.readbyqxmd.com/read/29339206/objective-sleep-measures-in-subacute-stroke-inpatients-associated-with-levels-and-improvements-in-activities-of-daily-living
#5
Ren-Jing Huang, Ching-Hsiang Lai, Shin-Da Lee, Fang-Yu Pai, Shen-Wen Chang, Ai-Hui Chung, Yi-Fang Chang, Hua Ting
OBJECTIVE: To investigate whether objective polysomnographic measures of prevalent sleep problems such as sleep-disordered-breathing (SDB) and insomnia are associated with activities of daily living levels in inpatients at rehabilitation units DESIGN: Retrospective and observational study SETTING: Single rehabilitation center PARTICIPANTS: One hundred twenty-three enrolled subacute stroke inpatients (61.6 ± 13.1 years; 23.8 ± 3.4 kg/m2; 33% female; 90.5 ± 36.7 days post-stroke) underwent a one-night polysomnography study and one-month-long inpatient rehabilitation program...
January 12, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29338120/the-association-between-different-features-of-sleep-disordered-breathing-and-blood-pressure-a-cross-sectional-study
#6
Shayan Khoshkish, Mathias Hohl, Benedikt Linz, Michael Arzt, Felix Mahfoud, Mathias Baumert, Jakob Schöpe, Michael Böhm, Dominik Linz
Sleep disordered breathing (SDB) is highly prevalent in patients with high blood pressure (BP). Severity of SDB can be evaluated by the number of apneas and hypopneas per hour (AHI) or by measures of hypoxia. The objective of this study was to assess the association between different measures of SDB and BP. In 134 consecutive patients, polygraphy was performed to determine the AHI. Pulse oximetry was used to determine hypoxemic burden (time below 90% oxygen saturation [T90] and hypoxia load [HL], representing the integrated area above the curve of desaturation)...
January 16, 2018: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29333582/outpatient-erbium-yag-2940%C3%A2-nm-laser-treatment-for-snoring-a-prospective-study-on-40-patients
#7
Isabelle Fini Storchi, Steven Parker, Francesca Bovis, Stefano Benedicenti, Andrea Amaroli
Snoring is a sleep phenomenon due to the partial upper airway obstruction during sleep which causes vibration of the tissues of the rhino-oro-hypopharynx and less frequently the larynx. This study evaluated the use and effectiveness of the erbium:YAG 2940-nm laser as an adjunctive in providing treatment for patients suffering from chronic snoring-related sleep disorders. A prospective study of 40 consecutive patients with snoring and sleep disorders was performed, assessing data before and after three Er:YAG laser treatment sessions...
January 15, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29329966/-overview-of-the-knowledge-and-attitudes-of-physicians-in-brazzaville-on-obstructive-sleep-apnea-syndrome
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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