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https://www.readbyqxmd.com/read/28513068/a-randomized-controlled-trial-branched-chain-amino-acid-levels-and-glucose-metabolism-in-patients-with-obesity-and-sleep-apnea
#1
Antonia Barceló, Daniel Morell-Garcia, Neus Salord, Cristina Esquinas, Gerardo Pérez, Antonio Pérez, Carmen Monasterio, Merce Gasa, Ana Maria Fortuna, Josep Maria Montserrat, Mercedes Mayos
There is evidence that changes in branched-chain amino acid (BCAA) levels may correlate with the efficacy of therapeutic interventions for affecting improvement in metabolic control. The objective of this study was to evaluate whether serum concentrations of BCAAs (leucine, isoleucine, valine) could mediate in insulin sensitivity and glucose tolerance after continuous positive airway pressure (CPAP) treatment in patients with obstructive sleep apnea (OSA). A prospective randomized controlled trial of OSA patients with morbid obesity was conducted...
May 17, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28511831/obstructive-sleep-apnea-and-dermatologic-disorders
#2
Madhulika A Gupta, Fiona C Simpson, Branka Vujcic, Aditya K Gupta
Obstructive sleep apnea (OSA) is present in at least 2% of women and 4% of men, and its prevalence is increasing, because a major predisposing factor for OSA is a high body mass index. Psoriasis has the most strongly substantiated link with OSA, where the relationship may be bidirectional. Dermatologic disorders may be comorbid with OSA due to several factors: (i) the heightened proinflammatory state in OSA, which can occur independent of body mass index, and may exacerbate inflammatory dermatoses; (ii) intermittent hypoxemia may promote neovascularization and tumor growth in certain cancers, such as melanoma; (iii) obesity, present in majority of OSA patients, can be associated with a heightened proinflammatory state; (iv) upper airway obstruction due to local tumors or soft tissue swelling due to physical urticaria or angioedema; (v) acute nasal congestion in the atopic patient with allergic rhinitis; (vi) dermatologic disorders associated with other OSA risk factors (eg, acanthosis nigricans and metabolic syndrome); and (vii) a high sympathetic tone (eg, in atopic dermatitis) and resultant sleep fragmentation contributing to upper airway instability during sleep...
May 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28502282/morning-diastolic-blood-pressure-may-be-independently-associated-with-severity-of-obstructive-sleep-apnea-in-non-hypertensive-patients-a-cross-sectional-study
#3
Łukasz Mokros, Wojciech Kuczyński, Łukasz Franczak, Piotr Białasiewicz
STUDY OBJECTIVES: The aim of the study is to verify a possible association between arterial blood pressure and obstructive sleep apnea (OSA) severity in a group of non-hypertensive patients. METHODS: This is a retrospective study of 1,171 consecutive patients referred to the sleep laboratory with complaints suggestive of OSA who underwent standard diagnostic polysomnography. In total, 454 patients with no history of arterial hypertension nor had received any such treatment were selected from this group...
May 11, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28500380/association-of-t-lymphocyte-immune-imbalance-and-il-10-gene-polymorphism-with-the-risk-of-obstructive-sleep-apnea-in-children-with-obesity
#4
Miao-Shang Su, Li Xu, Kang Xu, Ji-Shan Zheng
PURPOSE: The purpose of this study is to determine the role of T lymphocyte immune imbalance and interleukin (IL)-10 gene polymorphism in the development of obstructive sleep apnea (OSA) in obese children. METHODS: One hundred obese children at high-risk and low-risk for OSA based upon a sleep questionnaire were selected. Peripheral blood T lymphocyte subsets were measured by flow cytometry, and plasma IFN-γ, IL-4, and IL-10 cytokines were detected by ELISA. The relationships between OSA and the above variables were analyzed...
May 12, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28489776/is-c-reactive-protein-a-marker-of-obstructive-sleep-apnea-a-meta-analysis
#5
Kun Li, Peng Wei, Yanwen Qin, Yongxiang Wei
BACKGROUND: Obstructive sleep apnea (OSA) is a common disease, distinguished by recurrent episodes of upper airway obstruction during sleep, with an inflammatory component. C-reactive protein (CRP) and high-sensitivity C-reactive protein (hs-CRP) are markers of systemic inflammation and may serve as biomarkers of OSA. METHODS: Scientific studies published from January 1, 2006, to January 1, 2016 were obtained via searches of PubMed, Embase, SCI, and China National Knowledge Internet (CNKI) using relevant terms...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28483860/rapid-eye-movement-sleep-predominant-central-sleep-apnea-relieved-by-positive-airway-pressure-a-case-report
#6
Noah P Jouett, Michael L Smith, Donald E Watenpaugh, Maryam Siddiqui, Maleeha Ahmad, Farrukh Siddiqui
Central Sleep Apnea (CSA) is characterized by intermittent apneas and hypopneas during sleep that result from absent central respiratory drive. CSA occurs almost exclusively during non-rapid-eye-movement (NREM) sleep due to enhanced neuronal ventilatory drive during REM sleep that makes central apneas highly unlikely to form. A 45-year-old obese African American female presented with co-existing Obstructive Sleep Apnea (OSA) and CSA, not in the form of mixed or complex sleep apnea. Peculiarly, her CSA occurred only during rapid-eye-movement (REM) sleep, which is exceedingly rare...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28474375/angiopoietin-2-and-soluble-tie-2-receptor-plasma-levels-in-children-with-obstructive-sleep-apnea-and-obesity
#7
David Gozal, Abdelnaby Khalyfa, Zhuanghong Qiao, Dale L Smith, Mona F Philby, Dorit Koren, Leila Kheirandish-Gozal
OBJECTIVE: Obstructive sleep apnea (OSA) is a prevalent condition, especially in children with obesity, and is associated with increased risk for metabolic syndrome (MetS). Angiopoietins have been identified as potential biomarkers of endothelial dysfunction and MetS. In adults, angiopoietin-2 (Ang-2) and its soluble receptor (sTie-2) are associated with diabetes, hypertension, and obesity and could be increased in children with OSA and obesity, particularly those with evidence of cardiometabolic alterations...
May 5, 2017: Obesity
https://www.readbyqxmd.com/read/28469718/prevalence-and-risk-factors-of-obstructive-sleep-apnea-syndrome-in-a-saudi-arabian-population
#8
Siraj Omar Wali, Bahaa Abalkhail, Ayman Krayem
BACKGROUND: Obstructive sleep apnea (OSA) is a common disorder worldwide; however, epidemiological studies on its prevalence lack in Saudi Arabia. This study aimed to determine the prevalence and risk factors of OSA in Saudi Arabia. METHODS: The study was performed from 2013 to 2015 in two stages. The screening stage was first; a random sample of Saudi employees (n = 2682) 30-60 years of age completed a survey that included the Wisconsin questionnaire. According to these data, the subjects were categorized as habitual, moderate, or nonsnorers (NSs)...
April 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28465782/comparative-study-of-outcomes-following-laparoscopic-roux-en-y-gastric-bypass-and-sleeve-gastrectomy-in-morbidly-obese-patients-a-case-control-study
#9
Harshit Garg, Pratyusha Priyadarshini, Sandeep Aggarwal, Samagra Agarwal, Rachna Chaudhary
AIM: To compare the impact of laparoscopic Roux-en-Y gastric bypass (LRYGB) and laparoscopic sleeve gastrectomy (LSG) on weight loss and obesity related comorbidities over two year follow-up via case control study design. METHODS: Forty patients undergoing LRYGB, who completed their two year follow-up were matched with 40 patients undergoing LSG for age, gender, body mass index and presence of type 2 diabetes mellitus (T2DM). Data of these patients was retrospectively reviewed to compare the outcome in terms of weight loss and improvement in comorbidities, i...
April 16, 2017: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28454600/sleep-and-breathing-the-first-night-after-adenotonsillectomy-in-obese-children-with-obstructive-sleep-apnea
#10
Aliva De, Temima Waltuch, Nathan J Gonik, Ngoc Nguyen-Famulare, Hiren Muzumdar, John P Bent, Carmen R Isasi, Sanghun Sin, Raanan Arens
STUDY OBJECTIVES: There are few studies measuring postoperative respiratory complications in obese children with obstructive sleep apnea (OSA) undergoing adenotonsillectomy (AT). These complications are further compounded by perioperative medications. Our objective was to study obese children with OSA for their respiratory characteristics and sleep architecture on the night of AT. METHODS: This was a prospective study at a tertiary pediatric hospital between January 2009-February 2012...
April 25, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28444355/improvement-in-obstructive-sleep-apnea-with-weight-loss-is-dependent-on-body-position-during-sleep
#11
Simon A Joosten, Jun K Khoo, Bradley A Edwards, Shane A Landry, Matthew T Naughton, John B Dixon, Garun S Hamilton
Study Objectives: Weight loss fails to resolve obstructive sleep apnea (OSA) in most patients; however, it is unknown as to whether weight loss differentially affects OSA in the supine compared with nonsupine sleeping positions. We aimed to determine if weight loss in obese patients with OSA results in a greater reduction in the nonsupine apnea/hypopnea index (AHI) compared with the supine AHI, thus converting participants into supine-predominant OSA. Methods: Post hoc analysis of data from a randomized controlled trial assessing the effect of weight loss (bariatric surgery vs...
May 1, 2017: Sleep
https://www.readbyqxmd.com/read/28434626/-continuous-positive-airway-pressure-in-obstructive-sleep-apnea
#12
Jean Claude Meurice, Elise Antone, Mylene Gilbert, Audrey Watrin, Vanessa Bironneau
Continuous positive airway pressure (CPAP) is currently the most used and efficient therapy in OSAS. Efficiency of CPAP on sleep respiratory disorders is the same whether in fixed or automatic mode. Larger studies are required to evaluate their respective beneficial impact on cardiovascular or metabolic complications of OSAS. Close medical monitoring is necessary during the first weeks of CPAP therapy. Compliance to CPAP therapy is crucial for efficacy in preventing cardiovascular or metabolic complications of OSAS...
April 20, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28432036/increased-inflammation-from-childhood-to-adolescence-predicts-sleep-apnea-in-boys-a-preliminary-study
#13
Jordan Gaines, Alexandros N Vgontzas, Julio Fernandez-Mendoza, Fan He, Susan L Calhoun, Duanping Liao, Edward O Bixler
While chronic systemic inflammation in obstructive sleep apnea (OSA) has been traditionally considered a consequence of intermittent hypoxia, several treatment studies targeting inflammation suggest that this process may precede the development of the disorder. A recent cross-sectional study in the Penn State Child Cohort (PSCC) revealed that inflammation largely mediates the association between visceral adiposity and OSA in adolescence. The purpose of this study was to examine for the first time whether, longitudinally, inflammation precedes OSA during this developmental period...
April 18, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28429032/obstructive-sleep-apnoea-and-type-2-diabetes-mellitus-are-they-connected
#14
Yingjuan Mok, Chee Wei Tan, Hang Siang Wong, Choon How How, Kah Leong Alvin Tan, Pon Poh Hsu
Obstructive sleep apnoea (OSA), a sleep-related breathing condition, is diagnosed based on a patient's apnoea-hypopnea index from a sleep study, and the presence or absence of symptoms. Diabetes mellitus (DM) and OSA share a significant common risk factor, obesity, with all three conditions contributing to the risk of developing cardiovascular diseases. The pathophysiological links between OSA and DM are still unclear, but intermittent hypoxia may be an important mechanism. More awareness of the possible link between OSA and DM is needed, given their increasing prevalence locally and worldwide...
April 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/28424360/intermittent-hypoxia-in-obstructive-sleep-apnoea-mediates-insulin-resistance-through-adipose-tissue-inflammation
#15
Aoife M Murphy, Amandine Thomas, Sophie J Crinion, Brian D Kent, Murtaza M Tambuwala, Aurelie Fabre, Jean-Louis Pepin, Helen M Roche, Claire Arnaud, Silke Ryan
Obstructive sleep apnoea (OSA) is increasingly associated with insulin resistance. The underlying pathophysiology remains unclear but intermittent hypoxia (IH)-mediated inflammation and subsequent dysfunction of the adipose tissue has been hypothesised to play a key role.We tested this hypothesis employing a comprehensive translational approach using a murine IH model of lean and diet-induced obese mice, an innovative IH system for cell cultures and a tightly controlled patient cohort.IH led to the development of insulin resistance in mice, corrected for the degree of obesity, and reduced insulin-mediated glucose uptake in 3T3-L1 adipocytes, associated with inhibition of the insulin-signalling pathway and downregulation of insulin-receptor substrate-1 mRNA...
April 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28421376/using-the-stopbang-questionnaire-and-other-pre-test-probability-tools-to-predict-osa-in-younger-thinner-patients-referred-to-a-sleep-medicine-clinic
#16
Michael J McMahon, Karen L Sheikh, Teotimo F Andrada, Aaron B Holley
BACKGROUND: The STOPBANG questionnaire is used to predict the presence of obstructive sleep apnea (OSA). We sought to assess the performance of the STOPBANG questionnaire in younger, thinner patients referred to a sleep medicine clinic. METHODS: We applied the STOPBANG questionnaire to patients referred for level I polysomnography (PSG) at our sleep center. We calculated likelihood ratios and area under the receiver operator characteristic (AUROC) curve and performed sensitivity analyses...
April 19, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28408696/assessment-of-tongue-mechanical-properties-using-different-contraction-tasks
#17
Wen-Yang Li, Simon Gakwaya, Didier Saey, Frédéric Sériès
Inadequate UA dilator muscle function may play an important role in the pathophysiology of obstructive sleep apnea (OSA). To date, tongue mechanical properties have been mainly assessed using protrusion protocol with conflicting results, while performance during elevation task among patients with OSA remains unknown. This study was aimed to assess tongue muscle strength, strength stability, endurance time, fatigue indices and muscle total work, using elevation and protrusion tasks with repetitive isometric fatiguing contractions during awake in 12 normal+mild, 17 moderate and 11 severe patients with OSA, and to assess the influence of BMI and age...
April 13, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28406882/impact-of-patient-education-on-compliance-with-positive-airway-pressure-treatment-in-obstructive-sleep-apnea
#18
Sema Saraç, Gülgün Çetintaş Afşar, Özlem Oruç, Özgür Bilgin Topçuoğlu, Cüneyt Saltürk, Yüksel Peker
BACKGROUND We addressed the impact of patient education followed by frequent visits on compliance with positive airway pressure (PAP) treatment in patients with obstructive sleep apnea (OSA) in a Turkish sleep clinic cohort. MATERIAL AND METHODS This single-center, randomized, controlled study was conducted in Istanbul, Turkey between June 2014 and April 2015. Among 115 eligible OSA patients (mean age 51.0±9.3 years; 75.5% men), 63 were randomized to standard support (SS) group (general information about OSA and PAP treatment at baseline), and 52 to educational support (ES) group (additional polysomnography chart viewing from both diagnostic and titration nights)...
April 13, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28401455/what-is-the-appropriate-lesion-set-for-ablation-in-patients-with-persistent-atrial-fibrillation
#19
REVIEW
Jorge Romero, Carola Gianni, Andrea Natale, Luigi Di Biase
Special attention must be paid to detect, diagnose, and optimize management of reversible or treatable causes of long-standing persistent atrial fibrillation (LSPAF) such as obesity, obstructive sleep apnea (OSA), hypertension, hypo or hyperthyroidism, inflammatory and infectious diseases, and stress. Though, we strongly believe that the role of the pulmonary veins (PVs) is more pronounced in paroxysmal atrial fibrillation (AF) than in persistent AF, performing an adequate pulmonary vein isolation is still key in LSPAF...
May 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28396972/prevalence-and-associated-factors-of-obstructive-sleep-apnea-in-morbidly-obese-patients-undergoing-bariatric-surgery
#20
Weerapat Kositanurit, Dittapol Muntham, Suthep Udomsawaengsup, Naricha Chirakalwasan
PURPOSE: Our goal in this study is to determine the prevalence and associated factors of obstructive sleep apnea (OSA) in morbidly obese patients undergoing bariatric surgery. METHODS: This descriptive study was conducted at King Chulalongkorn Memorial Hospital from 2007 to 2015. Data of morbidly obese patients who underwent bariatric surgery were included using ICD-10 code for principle diagnosis "morbid obesity" (E668) and ICD-9 code for "bariatric surgery" (4389, 4438, 4439)...
April 11, 2017: Sleep & Breathing, Schlaf & Atmung
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