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obstructive apnea

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https://www.readbyqxmd.com/read/29051216/prolyl-4-hydroxylase-domain-protein-3-overexpression-improved-obstructive-sleep-apnea-induced-cardiac-perivascular-fibrosis-partially-by-suppressing-endothelial-to-mesenchymal-transition
#1
Guang-Hao Zhang, Fu-Chao Yu, Yang Li, Qin Wei, Song-Song Song, Fang-Ping Zhou, Jia-Yi Tong
BACKGROUND: Intermittent hypoxia (IH) induced by obstructive sleep apnea is the key factor involved in cardiovascular fibrosis. Under persistent hypoxia condition, endothelial cells respond by endothelial-to-mesenchymal transition (EndMT), which is associated with cardiovascular fibrosis. Prolyl 4-hydroxylase domain protein 3 (PHD3) is a cellular oxygen sensor and its expression increased in hypoxia. However, its role in obstructive sleep apnea-induced EndMT and cardiovascular fibrosis is still uncertain...
October 19, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29050104/-hypoglossal-nerve-stimulation-therapy-for-obstructive-sleep-apnea-hypopnea-syndrome
#2
Q Yan, B Guan
Obstructive sleep apnea hypopnea syndrome(OSAHS) is a clinical and critical disease to health, which the accuratly pathogenesis is not very explicit. The mainstream research suggested that dysfunction of upper airway dilator muscles is one of the hazard factors. Genioglossus innervated by the hypoglossal nerve plays crucial roles. It could expand volume of pharyngeal cavity, and increase airflow rate when stimulate it.With the development of anatomy and physiology, hypoglossal nerve stimulation(HGNS) entered into clinical trials, and had made tremendous progress since 2001...
October 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/29050058/-ambulant-anesthesia-limits-and-possibilities
#3
Harald Hofer, Frank Vescia
The number of operations carried out on an outpatient basis is increasing in Germany. This trend has been observed for years. The prerequisite is an infrastructure that is in line with guidelines. The competence of the anesthetist must not be restricted to that of a standard specialist anesthetist, but the physician should have experience in ambulatory anesthesia. Well-adjusted comorbidities of the patient are generally not a contraindication for an outpatient procedure. The heavily overweight patient can also be operated on an outpatient basis if he is compliant, comorbidities are well adjusted and intensive postoperative care is ensured...
October 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/29049225/factors-related-to-pediatric-obstructive-sleep-apnea-hypopnea-syndrome-in-children-with-attention-deficit-hyperactivity-disorder-in-different-age-groups
#4
Jiali Wu, Meizhen Gu, Shumei Chen, Wei Chen, Kun Ni, Hongming Xu, Xiaoyan Li
This study aimed to retrospectively investigate the factors related to pediatric obstructive sleep apnea-hypopnea syndrome (OSAHS) with attention deficit hyperactivity disorder (ADHD) in children younger than 6 years and those older than 6 years.A total of 437 children who were hospitalized due to OSAHS between January 2014 and December 2014 were retrospectively reviewed. The children were further divided into OSAHS group and OSAHS + ADHD group. The general characteristics, OSA-18 quality of life, intention-hyperactivity score, and polysomnographic parameters (apnea-hypopnea index and the lowest oxygen saturation) were collected and compared between groups...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29049120/a-contemporary-medicolegal-analysis-of-outpatient-medication-management-in-chronic-pain
#5
Christopher R Abrecht, Ethan Y Brovman, Penny Greenberg, Ellen Song, James P Rathmell, Richard D Urman
BACKGROUND: Opioids are frequently used in chronic pain management but are associated with significant morbidity and mortality in some patient populations. An important avenue for identifying complications-including serious or rare complications-is the study of closed malpractice claims. The present study is intended to complement the existing closed claims literature by drawing on claims from a more recent timeframe through a partnership with a large malpractice carrier, the Controlled Risk Insurance Company (CRICO)...
November 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29049073/postoperative-outcomes-in-obstructive-sleep-apnea-patients-undergoing-cardiac-surgery-a-systematic-review-and-meta-analysis-of-comparative-studies
#6
Mahesh Nagappa, George Ho, Jayadeep Patra, Jean Wong, Mandeep Singh, Roop Kaw, Davy Cheng, Frances Chung
BACKGROUND: Obstructive sleep apnea (OSA) is a common comorbidity in patients undergoing cardiac surgery and may predispose patients to postoperative complications. The purpose of this meta-analysis is to determine the evidence of postoperative complications associated with OSA patients undergoing cardiac surgery. METHODS: A literature search of Cochrane Database of Systematic Reviews, Medline, Medline In-process, Web of Science, Scopus, EMBASE, Cochrane Central Register of Controlled Trials, and CINAHL until October 2016 was performed...
October 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29049041/the-impact-of-lifestyle-intervention-on-atrial-fibrillation
#7
Kathryn L Hong, Benedict M Glover
PURPOSE OF REVIEW: Atrial fibrillation is the most common sustained cardiac arrhythmia, attributable to several factors that may be amenable through lifestyle modification. There is emerging evidence to suggest that the successful management of several cardiovascular risk factors [obesity, hypertension (HTN), diabetes mellitus, and obstructive sleep apnea (OSA)] can lead to fewer complications and atrial fibrillation prevention. However, the long-term sustainability and reproducibility of these effects have yet to be explored in larger studies...
October 18, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29047083/altered-redox-balance-in-the-development-of-chronic-hypoxia-induced-pulmonary-hypertension
#8
Nikki L Jernigan, Thomas C Resta, Laura V Gonzalez Bosc
Normally, the pulmonary circulation is maintained in a low-pressure, low-resistance state with little resting tone. Pulmonary arteries are thin-walled and rely heavily on pulmonary arterial distension and recruitment for reducing pulmonary vascular resistance when cardiac output is elevated. Under pathophysiological conditions, however, active vasoconstriction and vascular remodeling lead to enhanced pulmonary vascular resistance and subsequent pulmonary hypertension (PH). Chronic hypoxia is a critical pathological factor associated with the development of PH resulting from airway obstruction (COPD, sleep apnea), diffusion impairment (interstitial lung disease), developmental lung abnormalities, or high altitude exposure (World Health Organization [WHO]; Group III)...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29043111/a-retrospective-study-does-upper-airway-morphology-differ-between-non-positional-and-positional-obstructive-sleep-apnea
#9
Xiao Jiao, Jianyin Zou, Suru Liu, Jian Guan, Hongliang Yi, Shankai Yin
OBJECTIVE: The objective of this study was to explore the differences in upper airway morphology between positional (POSA) and non-positional (NPOSA) obstructive sleep apnea. METHODS: This retrospective study enrolled 75 patients (45 NPOSA and 30 POSA) who underwent polysomnography (PSG) and computed tomography (CT). The differences in, and relationships of, the PSG values and CT data between POSA and NPOSA were analyzed. RESULTS: Significant (p < 0...
2017: PeerJ
https://www.readbyqxmd.com/read/29042934/intermittent-hypoxia-simulating-obstructive-sleep-apnea-causes-pulmonary-inflammation-and-activates-the-nrf2-ho-1-pathway
#10
Yeying Wang, Yanling Chai, Xiaojie He, Li Ai, Xia Sun, Yiling Huang, Yongxia Li
Obstructive sleep apnea (OSA) is a disorder with high morbidity in adults. OSA damages multiple organs and tissues, including the cardiovascular and cerebrovascular systems, the metabolism system, the lungs, liver and heart. OSA-induced damage is earliest and greatest to the pulmonary tissue. The present study established a rat OSA model of differing severity by inducing intermittent hypoxia with different concentrations of O2 and it was determined that OSA caused a severe oxidative stress response and pulmonary inflammation in a dose-dependent manner...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29042891/differential-effects-of-obesity-on-obstructive-sleep-apnea-syndrome-according-to-age
#11
Yu-Jin G Lee, Yu Jin Lee, Do-Un Jeong
OBJECTIVE: To evaluate the effect of obesity on obstructive sleep apnea syndrome (OSAS) by age in relation to anthropometric measurements. METHODS: The medical records of 1,110 participants diagnosed with OSAS were analyzed according to age. All participants underwent nocturnal polysomnography and had their body mass index, waist circumference, neck circumference (NC), and waist-to-hip ratio measured. RESULTS: According to the multiple linear regression analysis model for the natural logarithm of the apnea-hypopnea index treating all four anthropometric measurements and gender as covariates, the final stepwise model accounted for an increasing percentage of the variability in the severity of OSAS as a function of age: 7...
September 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/29042180/idiopathic-rem-sleep-behavior-disorder-in-the-elderly-spanish-community-a-primary-care-center-study-with-a-two-stage-design-using-video-polysomnography
#12
Montserrat Pujol, Jesús Pujol, Tomás Alonso, Araceli Fuentes, Mercè Pallerola, Jovita Freixenet, Ferran Barbé, Manel Salamero, Joan Santamaría, Alex Iranzo
OBJECTIVE: To examine the presence and characteristics of idiopathic REM sleep behavior disorder (IRBD) in a representative Caucasian sample from the elderly community of Lleida, Spain, attending primary care centers. METHODS: Participants were individuals aged 60 years or older who underwent routine visits in two primary care centers. They underwent a two-stage study; a validated screening single question for IRBD diagnosis (RBD1Q) followed by, in those who endorsed positive answer, clinical assessment by a neurologist plus video-polysomnography (V-PSG)...
August 24, 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29042002/obstructive-sleep-apnea-syndrome-in-parkinson-s-disease-and-other-parkinsonisms
#13
F Crosta, Giovambattista Desideri, Carmine Marini
An association of obstructive sleep apnea syndrome (OSAS) and other sleep-disordered breathing (SDB) with Parkinson's disease (PD) has been reported in some small studies. In the present study we investigated the occurrence of SDB in a large consecutive outpatient series. This is a case-control study in subjects attending a neurological clinic where all patients were screened for SDB by means of sleep-wake history, Epworth Sleepiness Scale, and full-night polysomnography, when indicated. 3194 patients were recruited...
July 2017: Functional Neurology
https://www.readbyqxmd.com/read/29038950/firing-a-loaded-gun-during-sleep-in-an-elderly-man-with-a-perfect-storm-of-risk-factors-including-severe-obstructive-sleep-apnea
#14
Francesca Ingravallo, Carlos H Schenck, Ernesto D'Aloja, Monica Puligheddu
PURPOSE: We report a case of firing a loaded gun during sleep in a geriatric patient with undiagnosed major sleep disorders and multiple risk factors for sleep violence. Polysomnographic findings, diagnostic challenges, and forensic implications in this unprecedented geriatric case are discussed. METHODS: A 75-year-old employed man, married for 32 years, presented to a sleep center reporting to having fired a shot in his bedroom during sleep while his wife was away, without memory of hearing the gunshot...
October 16, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29038949/sleep-disorders-and-health-related-quality-of-life-in-patients-with-interstitial-lung-disease
#15
Maria Mavroudi, Despoina Papakosta, Theodore Kontakiotis, Kaliopi Domvri, George Kalamaras, Vasiliki Zarogoulidou, Paul Zarogoulidis, Paschalina Latka, Haidong Huang, Wolfgang Hohenforst-Schmidt, Konstantinos Zarogoulidis
BACKGROUND: Interstitial lung diseases (ILD) are chronic and restrictive lung diseases with poor survival and quality of life. The aim of this study was to investigate the frequency of sleep disorders in idiopathic pulmonary fibrosis (IPF) and sarcoidosis and to assess patients' quality of life in relation to these disorders. METHODS: Forty patients, 19 with IPF, and 21 with sarcoidosis stage II/III were included. They were compared with 15 healthy subjects. All patients performed all-night polysomnography (PSG) and completed the Epworth, Berlin, and Stop-Bang questionnaires...
October 16, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29038619/alteration-of-inflammatory-mediators-in-the-upper-and-lower-airways-under-chronic-intermittent-hypoxia-preliminary-animal-study
#16
Eun Jung Lee, Woon Heo, Joo Young Kim, Hyungchul Kim, Min Jung Kang, Bo Ra Kim, Ji Hyun Kim, Do Yang Park, Chang-Hoon Kim, Joo-Heon Yoon, Hyung-Ju Cho
PURPOSE: We hypothesized that CIH may affect the upper airway immune system and aimed to verify whether CIH can induce airway inflammation in a murine obstructive sleep apnea (OSA) model. METHODS: C57BL6 male mice were exposed to intermittent hypoxia (CIH group; 5 ~ 21% FiO2, 120 sec cycles, 12 h/d, n = 6) or room air (Sham group, n = 6) for up to 4 weeks in identical chambers. Nasal and lung tissues and lavage fluid were collected and analyzed by multiplex assay...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29038203/effect-of-continuous-positive-airway-pressure-weight-loss-or-continuous-positive-airway-pressure-plus-weight-loss-on-central-hemodynamics-and-arterial-stiffness
#17
Snigdha Jain, Indira Gurubhagavatula, Raymond Townsend, Samuel T Kuna, Karen Teff, Thomas A Wadden, Jesse Chittams, Alexandra L Hanlon, Greg Maislin, Hassam Saif, Preston Broderick, Zeshan Ahmad, Allan I Pack, Julio A Chirinos
Obesity and obstructive sleep apnea tend to coexist. Little is known about the effects of obstructive sleep apnea, obesity, or their treatment on central aortic pressures and large artery stiffness. We randomized 139 adults with obesity (body mass index >30 kg/m(2)) and moderate-to-severe obstructive sleep apnea to (1) continuous positive airway pressure (CPAP) therapy (n=45), (2) weight loss (WL) therapy (n=48), or (3) combined CPAP and WL (n=46) for 24 weeks. We assessed the effect of these interventions on central pressures and carotid-femoral pulse wave velocity (a measure of large artery stiffness), measured with arterial tonometry...
October 16, 2017: Hypertension
https://www.readbyqxmd.com/read/29038199/does-the-treatment-of-obstructive-sleep-apnea-and-obesity-improve-pulsatile-hemodynamics
#18
EDITORIAL
Thomas Weber, Siegfried Wassertheurer
No abstract text is available yet for this article.
October 16, 2017: Hypertension
https://www.readbyqxmd.com/read/29037156/the-association-of-obstructive-sleep-apnea-and-renal-outcomes-a-systematic-review-and-meta-analysis
#19
Der-Wei Hwu, Kun-Der Lin, Kun-Chen Lin, Yau-Jiunn Lee, Yu-Hung Chang
No abstract text is available yet for this article.
October 16, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29036393/angiotensin-receptor-expression-and-vascular-endothelial-dysfunction-in-obstructive-sleep-apnea
#20
Rami N Khayat, Saradhadevi Varadharaj, Kyle Porter, Angela Sow, David Jarjoura, Mikhail A Gavrilin, Jay L Zweier
Background: Obstructive sleep apnea (OSA) is associated with vascular endothelial dysfunction (VED) in otherwise healthy patients. The role of renin-angiotensin system (RAS) in the OSA induced VED is not well understood. Methods: Recently diagnosed OSA patients with very low cardiovascular disease (CVD) risk (Framingham score <5%) were studied at diagnosis and after 12 weeks of verified continuous positive airway pressure (CPAP) therapy. Participants underwent biopsy of gluteal subcutaneous tissue at baseline and after CPAP...
September 27, 2017: American Journal of Hypertension
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