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https://www.readbyqxmd.com/read/28822761/down-regulation-of-vascular-ppar-%C3%AE-contributes-to-endothelial-dysfunction-in-high-fat-diet-induced-obese-mice-exposed-to-chronic-intermittent-hypoxia
#1
Yanan Zhang, Chunlian Zhang, Haiou Li, Jingdong Hou
Obstructive sleep apnea (OSA), characterized by chronic intermittent hypoxia (CIH), is associated with endothelial dysfunction. The prevalence of OSA is linked to an epidemic of obesity. CIH has recently been reported to cause endothelial dysfunction in diet-induced obese animals by exaggerating oxidative stress and inflammation, but the underlying mechanism remains unclear. PPAR-γ, a ligand-inducible transcription factor that exerts anti-oxidant and anti-inflammatory effects, is down-regulated in the peripheral tissues in diet-induce obesity...
August 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28822412/-feasibility-of-single-staged-han-uvulopalatopharyngoplasty-with-septoplasty-in-adults-with-obstructive-sleep-apnea-hypopnea-syndrome
#2
S G Xiu, D D Yu, Y M Wang, S D Gao
Objective: To explore the feasibility and therapeutic effect of single-staged Han-uvulopalatopharyngoplasty with septoplasty in adults with obstructive sleep apnea-hypopnea syndrome. Methods: Ninety six cases with OSAHS were diagnosed by polysomnography, and they all had retropalatal obstruction and deviation of nasal septum. Patients were divided into study group(48 cases) and control group(48 cases) randomly. Cases in study group were simultaneously treated with Han-uvulopalatopharyngoplasty and septoplasty, while cases in control group were only treated with Han-uvulopalatopharyngoplasty...
August 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28822411/-effect-of-treating-obstructive-sleep-apnea-hypopnea-syndrome-on-chronic-cough-in-children
#3
C Pang, J Q Liang, Q L Gu
Objective: To understand the effect of treating obstructive sleep apnea hypopnea syndrome (OSAHS) on chronic cough in children. Methods: A total of 100 consecutive children with OSAHS diagnosed by polysomnography(PSG) and chronic cough were included in this study. All children underwent cough condition assessment, OSA-18 scales and MS-IOS before and after surgery, and all children were followed-up for 3 months. Children were separated into three groups according to the severity of OSAHS. Related parameters like Zr, Rf, R5, R20, X5, X35, Rc, Rp obtained from MS-IOS, OSA-18 scores and cough scores were compared between different groups using paired t-test or Wilcoxon sum test...
August 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28822017/validation-of-a-non-contact-screening-device-for-the-combination-of-sleep-disordered-breathing-and-periodic-limb-movements-in-sleep
#4
Gerhard Weinreich, Sarah Terjung, Yi Wang, Stefanie Werther, Alberto Zaffaroni, Helmut Teschler
PURPOSE: Recent studies found that the non-contact screening device SleepMinder (ResMed Sensor Technologies, Dublin, Ireland) detects sleep-disordered breathing (SDB) with high diagnostic accuracy in cohorts suspected of this disorder. However, it was reported that in patients with periodic limb movement in sleep (PLMS), this non-contact device overestimates the apnea-hypopnea index (AHI). We aimed to overcome this limitation by introducing the novel sleep disorder index (SDI) which is sum of the AHI and the period limb movement index (PLMI)...
August 18, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28821856/smoking-obstructive-sleep-apnea-syndrome-and-their-combined-effects-on-metabolic-parameters-evidence-from-a-large-cross-sectional-study
#5
Huaming Zhu, Huajun Xu, Rui Chen, Suru Liu, Yunyan Xia, Yiqun Fu, Xinyi Li, Yingjun Qian, Jianyin Zou, Hongliang Yi, Jian Guan
Metabolic disorders have been separately associated with obstructive sleep apnea syndrome (OSAS) and smoking. However, no study has examined their interactions with metabolic parameters, including insulin resistance and dyslipidemia. To investigate whether the combination of OSAS and smoking results in an additive detriment in metabolic disorder parameters, we enrolled consecutive adult men during 2014-2015. Fasted blood samples were taken to determine glucose, insulin, and lipid levels. A questionnaire including an item on smoking pack-year exposure was administered, and the Epworth Sleepiness Scale and overnight polysomnography were performed...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818483/intermittent-hypoxia-and-cancer-undesirable-bed-partners
#6
REVIEW
Isaac Almendros, David Gozal
The deleterious effects of intermittent hypoxia (IH) on cancer biology have been primarily evaluated in the context of the aberrant circulation observed in solid tumors which results in recurrent intra-tumoral episodic hypoxia. From those studies, IH has been linked to an accelerated tumor progression, metastasis and resistance to therapies. More recently, the role of IH in cancer has also been studied in the context of obstructive sleep apnea (OSA), since IH is a hallmark characteristic of this condition. Such recent studies are undoubtedly adding more information regarding the role of IH on tumor malignancy...
August 14, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28817421/association-of-stop-bang-questionnaire-as-a-screening-tool-for-sleep-apnea-and-postoperative-complications-a-systematic-review-and-bayesian-meta-analysis-of-prospective-and-retrospective-cohort-studies
#7
Mahesh Nagappa, Jayadeep Patra, Jean Wong, Yamini Subramani, Mandeep Singh, George Ho, David T Wong, Frances Chung
BACKGROUND: The risk of postoperative complications increases with undiagnosed obstructive sleep apnea (OSA). The high-risk OSA (HR-OSA) patients can be easily identified using the STOP-Bang screening tool. The aim of this systematic review and meta-analysis is to determine the association of postoperative complications in patients screened as HR-OSA versus low-risk OSA (LR-OSA). METHODS: The following data bases were searched from January 1, 2008, to October 31, 2016, to identify the eligible articles: Cochrane Central Register of Controlled Trials, MEDLINE, PubMed, Cochrane Databases of Systematic Reviews, Medline-in-Process & other nonindexed citations, Google Scholar, Embase, Web of Sciences and Scopus...
August 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28816683/cardiorespiratory-model-based-data-driven-approach-for-sleep-apnea-detection
#8
Sandeep Gutta, Qi Cheng, Hoa Nguyen, Bruce Benjamin
Obstructive sleep apnea (OSA) is a chronic sleep disorder affecting millions of people worldwide. Individuals with OSA are rarely aware of the condition and are often left untreated, which can lead to some serious health problems. Nowadays, several low-cost wearable health sensors are available that can be used to conveniently and noninvasively collect a wide range of physiological signals. In this paper, we propose a new framework for OSA detection in which we combine the wearable sensor measurement signals with the mathematical models of the cardiorespiratory system...
August 14, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28816290/-treatment-outcome-evaluation-of-different-mandibular-advancements-using-oral-appliance-to-treat-obstructive-sleep-apnea-and-hyponea-syndrome-a-systematic-review
#9
Y Y Ma, J J Zhang, X M Gao
OBJECTIVE: To evaluate the polysomnology results along with mandibular titrated advancement using oral appliance to treat obstructive sleep apnea and hyponea syndrome (OSAHS). METHODS: Several electronic databases (PubMed, Embase, Cochrane Library, CNKI, VIP, and Wanfang) were systematically searched up to September 2015. There was no restriction of language or source of information. All randomized clinical trials (RCT) and before-after trials (BAT) comparing at least two different mandibular advancements were included...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28815383/a-5-year-follow-up-study-of-laparoscopic-sleeve-gastrectomy-among-morbidly-obese-adolescents-does-it-improve-body-image-and-prevent-and-treat-diabetes
#10
Moamena Ahmed El-Matbouly, Nesreen Khidir, Hussien Aly Touny, Walid El Ansari, Mohammed Al-Kuwari, Moataz Bashah
BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) is widely used, and it is important to examine its physiologic and psychological efficacy among adolescents. We assessed LSG's efficacy for weight loss, its short- and long-term effects on resolving and improving obesity-related comorbidities, and its psychological outcomes among morbidly obese adolescents. METHODS: We retrospectively analyzed the medical records of 91 morbidly obese adolescents in Qatar who underwent LSG (2011-2014), with 1- and 5-year follow-ups...
August 17, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28814632/intermittent-apnea-elicits-inactivity-induced-phrenic-motor-facilitation-via-a-retinoic-acid-and-protein-synthesis-dependent-pathway
#11
Nathan A Baertsch, Tracy L Baker
Respiratory motoneuron pools must provide rhythmic inspiratory drive that is robust and reliable, yet dynamic enough to respond to respiratory challenges. One form of plasticity that is hypothesized to contribute to motor output stability by sensing and responding to inadequate respiratory neural activity is inactivity-induced phrenic motor facilitation (iPMF), an increase in inspiratory output triggered by a reduction in phrenic synaptic inputs. Evidence suggests that mechanisms giving rise to iPMF differ depending on the pattern of reduced respiratory neural activity (i...
August 16, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28812180/effect-of-continuous-positive-airway-pressure-on-glucose-metabolism-in-adults-with-type-2-diabetes-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#12
REVIEW
Bingqian Zhu, Chao Ma, Jindarat Chaiard, Changgui Shi
Obstructive sleep apnea (OSA) has many serious consequences, and one of these may be the exacerbation of type 2 diabetes mellitus (T2DM). Reports on the effect of continuous positive airway pressure (CPAP) on glucose metabolism in people with T2DM and OSA are conflicting. Therefore, the purpose of this review was to examine the effect of CPAP treatment on glucose metabolism by synthesizing findings from randomized controlled trials. The PRISMA review protocol was developed and registered in PROSPERO. A systematic search of PubMed, CINAHL, Embase, Web of Science, PsycInfo, and Cochrane was conducted from inception to March 2017...
August 15, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28810998/delayed-diagnosis-of-acromegaly-in-the-context-of-post-traumatic-stress-disorder-due-to-symptoms-mimicking-known-psychotropic-medication-side-effects
#13
Ray-Bernard Portier, Afshin Afarin, Sara Pope
BACKGROUND: Acromegaly is caused by elevated secretion of human growth hormone, which is frequently because of intracranial tumors. This diagnosis is fairly uncommon with an incidence of 3 to 4 cases per million patients per year. We are presenting a case of acromegaly diagnosed in an active duty Chief Petty Officer. MATERIALS AND METHODS: A 38-year-old male Chief Petty Officer with no previous mental health diagnosis experienced post-traumatic stress disorder (PTSD)-like symptoms in early 2012 after deploying to Iraq and Afghanistan from 2010 to 2011...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28808850/non-rem-sleep-disordered-breathing-affects-performance-on-the-psychomotor-vigilance-task
#14
Takuro Kitamura, Soichiro Miyazaki, Hiroshi Kadotani, Takashi Kanemura, Harun Bin Sulaiman, Shoko Takeuchi, Takahisa Tabata, Hideaki Suzuki
PURPOSE: Although many studies have investigated the clinical importance of sleep apnea on rapid eye movement (REM) and non-REM (NREM) sleep, the relationship between behavioral performance and apneic events during different sleep phases remains unclear. In the present study, we sought to investigate the effect of sleep phase fragmentation due to sleep-disordered breathing (SDB) during REM and NREM on the vigilance and sustainability of attention based on psychomotor vigilance task (PVT) performance...
August 14, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28807529/correlation-of-soft-palate-length-with-velum-obstruction-and-severity-of-obstructive-sleep-apnea-syndrome
#15
Ju-Shin Lim, Jae Woo Lee, Chun Han, Jang-Woo Kwon
OBJECTIVE: Our aim in this study was to analyze whether soft palate length and velum obstruction during sleep are correlated and to determine the effects of related parameters on obstructive sleep apnea syndrome (OSAS) severity. We used computed tomography to measure soft palate length and drug-induced sleep endoscopy (DISE) to evaluate velum obstruction severity. Patients also underwent polysomnography (PSG) for evaluation of OSAS severity. METHODS: A retrospective cohort of 67 patients with OSAS treated between May 1st, 2013 and July 31st, 2016 was analyzed...
August 11, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28806799/review-cpap-improves-qol-in-obstructive-sleep-apnea-effects-not-as-clear-for-mandibular-advancement-devices
#16
Fergal O'Donoghue, Christine McDonald
No abstract text is available yet for this article.
August 15, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28806467/the-history-of-home-cardiorespiratory-monitoring
#17
Gary E Freed, Francis Martinez
Home cardiorespiratory monitoring has changed significantly since it was first introduced in the 1970s. It has improved from a simple alarm system to a sophisticated piece of equipment capable of monitoring the patient's electrocardiogram, respiratory effort, and oxygen saturations. In addition, the indications for using a monitor have also changed. The home monitor was initially used to reduce the incidence of sudden infant death syndrome (SIDS). Although there were several studies demonstrating the reduction of SIDS rates in communities where apnea programs existed, none was a prospective, double-blinded study or had adequate numbers to be clinically significant...
August 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28801176/caffeine-use-in-the-neonatal-intensive-care-unit
#18
REVIEW
Jalal M Abu-Shaweesh, Richard J Martin
Caffeine is the most frequently used medication in the neonatal intensive care unit. It is used for the prevention and treatment of apnea, although this has been associated with lower incidence of bronchopulmonary dysplasia (BPD) and patent ductus arteriosus as well as intact survival at 18-21 months of life. Although neurodevelopmental advantage was no longer statistically significant at age 5 years, caffeine was associated with sustained improvement in co-ordination and less gross motor impairment than placebo...
August 8, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28800040/effect-of-continuous-positive-airway-pressure-in-hypertensive-patients-with-obstructive-sleep-apnea-and-high-urinary-metanephrines
#19
Luisa Gilardini, Carolina Lombardi, Gabriella Redaelli, Paola Mattaliano, Paolo Fanari, Mauro Cornacchia, Massimo Scacchi, Stefania Mai, Patrizia Ferronato, Gianfranco Parati, Cecilia Invitti
OBJECTIVE: Some cases of pseudopheochromocytoma have been described among hypertensive patients with obstructive sleep apnea (OSA). This study examined whether a pathological rise of urinary metanephrines is a common feature in hypertensive OSA patients and, in such a case, whether the ventilation treatment during sleep (continuous or biphasic positive airway pressure) may normalize high metanephrines levels. METHODS: Patients with endocrine diseases, drug abuse, therapy with TCA and cardiovascular events in the previous 6 months were excluded...
August 10, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28798255/benefits-of-oxytocin-administration-in-obstructive-sleep-apnea
#20
Vivek Jain, Joseph Marbach, Shawn Kimbro, David C Andrade, Arad Jain, Eleanor Capozzi, Kyle Mele, Rodrigo Del Rio, Matthew W Kay, David Mendelowitz
Activation of oxytocin receptors has shown benefits in animal models of Obstructive Sleep Apnea (OSA). We tested if nocturnal oxytocin administration could have beneficial effects in OSA patients. 8 patients diagnosed with OSA were administered intranasal oxytocin (40 i.u.). Changes in cardiorespiratory events during sleep, including apnea and hypopnea durations and frequency, risk of event-associated arousals, and heart rate variability were assessed. Oxytocin significantly increased indices of parasympathetic activity, including heart rate variability, total sleep time, and the Post-Polysommogram Sleep Assessment (PPSA) score, an index of self-reported sleep satisfaction...
August 10, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
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