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Obstructive Sleep Apnoea

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https://www.readbyqxmd.com/read/27924661/sleep-disordered-breathing-in-pregnancy-the-maternal-and-fetal-implications
#1
Shanthi Carnelio, Adam Morton, H David McIntyre
Sleep disordered breathing (SDB) which includes obstructive sleep apnoea (OSA) and upper airway resistance syndrome (UARS), has emerged as a risk factor for adverse maternal-foetal outcomes in pregnancy. Physiological changes of pregnancy predispose a woman 'at risk' towards developing SDB. The increasing incidence of OSA in pregnancy closely correlates with the population trends of obesity. Common screening tools validated in non-pregnant subjects including Epworth Sleepiness Scale (ESS) and Berlin Questionnaire (BQ) are poor predictors of SDB in pregnancy...
December 7, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27921430/-obstructive-sleep-apnoea-and-type-2-diabetes-mellitus
#2
Andrea Plíhalová, Kateřina Westlake, Jan Polák
Obstructive sleep apnoea syndrome (OSA) is a disease very frequently occurring in people with type 2 diabetes, that significantly increases cardiovascular morbidity and mortality. In a number of studies, OSA has been identified as an independent risk factor for the development of insulin resistance, glucose intolerance and type 2 diabetes mellitus. Disorders of glucose homeostasis in patients with OSA are probably mediated by chronic intermittent hypoxia and/or sleep fragmentation through activation of the sympathetic nervous system, the hypothalamic-pituitary-adrenal stress axis, pro-inflammatory paths or oxidative stress...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27916003/evaluation-of-the-subjective-efficacy-of-nasal-surgery
#3
J Wu, H R Zang, T Wang, B Zhou, J Y Ye, Y C Li, D M Han
OBJECTIVES: This study aimed to evaluate subjective symptom changes in obstructive sleep apnoea hypopnea syndrome patients following nasal surgery, and to explore treatment efficacy in improving patient quality of life. METHODS: Patients with nasal blockage accompanied by habitual snoring were stratified into four groups. Their subjective symptoms were evaluated before and after nasal surgery. RESULTS: There was a significant decrease in the nasal blockage symptom visual analogue scale, Epworth Sleepiness Scale, Snore Outcomes Survey, Spouse/Bed Partners Survey and Sino-Nasal Outcome Test 20 scores for all patients at six months after surgery...
December 5, 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27911338/sleepiness-and-sleep-related-breathing-disorders-in-myotonic-dystrophy-and-responses-to-treatment-a-prospective-cohort-study
#4
Sophie D West, Hanns Lochmüller, Joan Hughes, Antonio Atalaia, Chiara Marini-Bettolo, Simon V Baudouin, Kirstie N Anderson
OBJECTIVE: We conducted prospective assessments in people with myotonic dystrophy type 1 (DM1) with daytime sleepiness, provided targeted therapies and assessed response. METHODS: Patients had overnight sleep assessments. Treatment with continuous positive airway pressure (CPAP) for OSA, non-invasive ventilation (NIV) for respiratory failure, modafinil for excessive daytime sleepiness were commenced. RESULTS: 120 people were studied: mean age 46...
November 29, 2016: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/27905169/finding-inspiration-in-high-blood-pressure
#5
Vaughan Macefield
Simms AE, Paton JFR, Pickering AE & Allen AM (2009). Amplified respiratory-sympathetic coupling in the spontaneously hypertensive rat: does it contribute to hypertension? J Physiol 587, 597-610. Fatouleh R, McKenzie DK & Macefield VG (2014). Respiratory modulation of muscle sympathetic nerve activity in obstructive sleep apnoea. Exp Physiol 99, 1288-1298. Zoccal DB (2015). Peripheral chemoreceptors and cardiorespiratory coupling: a link to sympatho-excitation. Exp Physiol 100, 143-148.
December 1, 2016: Experimental Physiology
https://www.readbyqxmd.com/read/27905132/continuous-positive-airway-pressure-might-not-solve-your-cerebral-autoregulation-problem-if-you-have-obstructive-sleep-apnoea
#6
Stephen Payne
No abstract text is available yet for this article.
December 1, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27903040/tonsillotomy-an-alternative-surgical-option-to-total-tonsillectomy-in-children-with-obstructive-sleep-apnoea
#7
Sabin Smith
BACKGROUND: Total tonsillectomy remains one of the most common ear, nose and throat (ENT) procedures performed in children. General practitioners (GPs) are commonly involved in the referral of children with obstructive sleep apnoea (OSA). Intracapsular tonsilltomy (partial tonsillectomy) is fast becoming a popular surgical option to total tonsillectomy in children with OSA. OBJECTIVE: The objective of this article is to provide information about partial tonsillectomy and its potential benefits over total tonsillectomy in the treatment of children with OSA for referring GPs...
December 2016: Australian Family Physician
https://www.readbyqxmd.com/read/27901270/adipose-tissue-inflammation-by-intermittent-hypoxia-mechanistic-link-between-obstructive-sleep-apnoea-and-metabolic-dysfunction
#8
Silke Ryan
Obstructive sleep apnoea (OSA) is a highly prevalent condition and recognized as a major public health burden conveying a significant risk of cardiometabolic diseases and mortality. Type 2 diabetes (T2D), insulin resistance (IR) and glucose tolerance are common in subjects with OSA and this association is at least in part independent of the effects of obesity. Continuous positive airway pressure (CPAP) is the treatment of choice for the majority of patients with OSA but the benefit of CPAP on glycaemic health is uncertain...
November 29, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27895064/risk-of-obstructive-sleep-apnoea-in-patients-with-rheumatoid-arthritis-a-nationwide-population-based-retrospective-cohort-study
#9
Te-Chun Shen, Liang-Wen Hang, Shinn-Jye Liang, Chien-Chung Huang, Cheng-Li Lin, Chih-Yen Tu, Te-Chun Hsia, Chuen-Ming Shih, Wu-Huei Hsu, Fung-Chang Sung
OBJECTIVE: Sleep disorders are prevalent medical disorders in patients with rheumatoid arthritis (RA). However, whether patients with RA are at an increased risk of developing obstructive sleep apnoea (OSA) is unclear. DESIGN: Using population-based retrospective cohort study to examine the risk of OSA in patients with RA. SETTING: We used claims data of the National Health Insurance Research Database (NHIRD) of Taiwan. PARTICIPANTS: We identified a RA cohort with 33 418 patients newly diagnosed in 2000-2010 and a randomly selected non-RA comparison cohort with 33 418 individuals frequency matched by sex, age and diagnosis year...
November 28, 2016: BMJ Open
https://www.readbyqxmd.com/read/27887724/facial-deformations-during-nasal-continuous-positive-airway-pressure-therapy
#10
Andrew Sims, Anne Simmons, Mark Hoffman, Klaus Schindhelm
Obstructive Sleep Apnoea (OSA), characterised by repeated collapse of the pharyngeal airway during sleep, causes cessation of breathing followed by arousal, restoring normality. Continuous Positive Airway Pressure (CPAP) is a non-invasive, effective treatment for OSA where positive pressure is applied to the airway through a mask, maintaining patency. Nasal masks are commonly used, contacting the face across the upper lip, sides of the nose and the nasal bridge. Despite health benefits, therapy compliance is sub-optimal, often due to poor mask fit and discomfort...
October 22, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27884793/sex-stress-and-sleep-apnoea-decreased-susceptibility-to-upper-airway-muscle-dysfunction-following-intermittent-hypoxia-in-females
#11
REVIEW
Ken D O'Halloran, Philip Lewis, Fiona McDonald
Obstructive sleep apnoea syndrome (OSAS) is a devastating respiratory control disorder more common in men than women. The reasons for the sex difference in prevalence are multifactorial, but are partly attributable to protective effects of oestrogen. Indeed, OSAS prevalence increases in post-menopausal women. OSAS is characterized by repeated occlusions of the pharyngeal airway during sleep. Dysfunction of the upper airway muscles controlling airway calibre and collapsibility is implicated in the pathophysiology of OSAS, and sex differences in the neuro-mechanical control of upper airway patency are described...
November 21, 2016: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/27878796/patent-foramen-ovale-a-novel-cardiovascular-risk-factor-in-patients-with-sleep-disordered-breathing-and-high-altitude-dwellers
#12
Emrush Rexhai, Urs Scherrer, Stefano F Rimoldi
Diseases associated with chronic hypoxaemia are a leading cause of morbidity and mortality in Western countries. Epidemiological data indicate that cardiovascular diseases contribute substantially to this problem, but the underlying mechanisms are incompletely understood. Sleep disordered breathing and high altitude exposure are frequent conditions associated with hypoxaemia. Recent evidence suggests that in these conditions the concomitant presence of a patent foramen ovale plays an important pathogenic role...
2016: Swiss Medical Weekly
https://www.readbyqxmd.com/read/27867577/when-continuous-positive-airway-pressure-cpap-fails
#13
REVIEW
Jagdeep S Virk, Bhik Kotecha
Obstructive sleep apnoea (OSA) is increasingly prevalent, particularly in the context of the obesity epidemic, and is associated with a significant social, health and economic impact. The gold standard of treatment for moderate to severe OSA is continuous positive airway pressure (CPAP). However compliance rates can be low. Methodology to improve patient tolerance to CPAP alongside with alternative, non-surgical and surgical, management strategies are discussed. All patients that fail CPAP therapy would benefit from formal upper airway evaluation by the otolaryngologist to identify any obvious causes and consider site-specific surgical therapies...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27861608/evaluation-of-fibrinolytic-inhibitors-alpha-2-antiplasmin-and-plasminogen-activator-inhibitor-1-in-patients-with-obstructive-sleep-apnoea
#14
Maciej Zakrzewski, Ewelina Zakrzewska, Paweł Kiciński, Sylwia Przybylska-Kuć, Andrzej Dybała, Wojciech Myśliński, Jolanta Pastryk, Tomasz Tomaszewski, Jerzy Mosiewicz
Obstructive sleep apnoea (OSA) induces thrombophilia and reduces fibrinolysis. Alpha-2-antiplasmin (a-2-AP) and plasminogen activator inhibitor 1 (PAI-1) are major inhibitors of the fibrinolytic system. Increased concentrations of these factors are associated with a higher risk of cardiovascular diseases. The aim of this study was to assess plasma a-2-AP and PAI-1 in patients with OSA and evaluate correlations with the polysomnographic record and selected risk factors of cardiovascular diseases. The study group comprised 45 patients with OSA, and the control group consisted of 19 patients who did not meet the diagnostic criteria of OSA...
2016: PloS One
https://www.readbyqxmd.com/read/27860160/effect-of-one-week-of-cpap-treatment-of-obstructive-sleep-apnoea-on-24-h-profiles-of-glucose-insulin-and-counter-regulatory-hormones-in-type-2-diabetes
#15
Babak Mokhlesi, Daniela Grimaldi, Guglielmo Beccuti, Eve Van Cauter
Studies examining the impact of CPAP treatment on glycaemic control have yielded conflicting results. We examined the 24-h profiles of glucose, insulin and counter-regulatory hormones in twelve subjects with type 2 diabetes and OSA before and after one week of effective in-laboratory CPAP therapy over an entire 8-h night. Blood samples were collected every 15-30 minutes for 24 hours under controlled conditions. The 24-h mean glucose decreased from 153.2 ± 33.0 to 139.7 ± 24.2 mg/dL with CPAP (-13...
November 17, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/27860068/effect-of-osa-on-hypoxic-and-inflammatory-markers-during-cpap-withdrawal-further-evidence-from-three-randomized-control-trials
#16
Chris D Turnbull, Valentina A Rossi, Peter Santer, Esther I Schwarz, John R Stradling, Nayia Petousi, Malcolm Kohler
BACKGROUND AND OBJECTIVE: Obstructive sleep apnoea (OSA) is associated with cardiovascular disease. Intermittent hypoxia, endothelial dysfunction and adipose tissue-mediated inflammation have all been linked to cardiovascular disease in OSA. We therefore explored the effect of OSA on relevant associated blood markers: adrenomedullin (ADM), endocan, endothelin-1 (ET-1), resistin and vascular endothelial growth factor (VEGF). METHODS: Patients with OSA, established on and compliant with continuous positive airways pressure (CPAP) therapy for >1 year were included from three randomized controlled trials, conducted at two centres...
November 18, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27837375/amsterdam-positional-osa-classification-the-aasm-2012-recommended-hypopnoea-criteria-increases-the-number-of-positional-therapy-candidates
#17
Brett Duce, Antti Kulkas, Christian Langton, Juha Töyräs, Craig Hukins
PURPOSE: This study examined the effect of hypopnoea criteria on the prevalence of positional obstructive sleep apnoea (pOSA) identified under the Amsterdam Positional OSA Classification (APOC) system. METHODS: Three hundred three consecutive patients undertaking polysomnography (PSG) for the suspicion of OSA were included in this retrospective investigation. PSGs were scored using both the 2007 American Academy of Sleep Medicine (AASM) recommended hypopnoea criteria (AASM2007Rec) and the 2012 AASM recommended hypopnoea criteria (AASM2012Rec)...
November 11, 2016: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/27836649/sensory-detection-of-threshold-intensity-resistive-loads-in-severe-obstructive-sleep-apnoea
#18
Warren R Ruehland, Peter D Rochford, Robert J Pierce, Kate E Webster, John A Trinder, Amy S Jordan, Fergal J O'Donoghue
Respiratory related evoked potentials (RREPs) were used to investigate whether sensory detection of small mid-inspiratory resistive loads (≈1.2-6.2 cmH2OL(-1)s), delivered during wakefulness, was impaired in obstructive sleep apnoea (OSA). It was reasoned that impaired detection of minor airway patency challenge may lead to difficult-to-remedy further collapse. There was a significant reduction in OSA (n=16) vs. control (n=17) participants in the slope of the relationship between the P1 RREP component amplitude, which reflects arrival of somatosensory information at the cortex, and stimulus intensity, expressed as change in epiglottic pressure (mean [95% confidence intervals]: -0...
November 9, 2016: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/27833866/long-term-outcomes-of-radiofrequency-ablation-of-the-inferior-turbinates
#19
Casey Means, Macario Camacho, Robson Capasso
Radiofrequency ablation of the inferior turbinates (RFAIT) is a minimally invasive surgical technique that reduces turbinate size and decreases nasal obstruction. Few studies have assessed long-term outcomes of this procedure using standardized, symptom-specific evaluation instruments. The primary aim of this study is to assess the long-term effectiveness of RFAIT using a standardized, symptom-specific evaluation instrument. An additional outcome evaluated is the effect of RFAIT on therapeutic CPAP pressures in centimetres of water pressure (cwp) and overall CPAP use...
December 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27833343/distraction-osteogenesis-for-management-of-severe-osa-in-pierre-robin-sequence-an-approach-to-elude-tracheostomy-in-infants
#20
N K Sahoo, I D Roy, Shamsher Dalal, Amit Bhandari
BACKGROUND: Severe obstructive sleep apnoea (OSA) is a life threatening condition associated with Pierre Robin sequence (PRS) due to mandibular micrognathia and glossoptosis. Often these patients require tracheostomy at an early age which has high morbidity. Distraction osteogenesis (DO) is an accepted method of treatment for patients with hypoplastic mandible to achieve mandibular lengthening without need for a bone graft. It has also been used in respiratory distressed neonates and infants to avoid tracheostomy...
December 2016: Journal of Maxillofacial and Oral Surgery
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