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https://www.readbyqxmd.com/read/28550476/stroke-and-other-cardiovascular-events-in-patients-with-obstructive-sleep-apnea-and-the-effect-of-continuous-positive-airway-pressure
#1
Mirjam H Schipper, Korne Jellema, Bregje J W Thomassen, Diego Alvarez-Estevez, Johan Verbraecken, Roselyne M Rijsman
Obstructive sleep apnea (OSA) is a known-risk factor for cardiovascular diseases. There are indications that treatment with continuous positive airway pressure (CPAP) reduces the risk of new cardiovascular events. In this study, we analyzed the incidence of cardiovascular events in patients with OSA and compared for the impact of CPAP therapy. All polysomnographies performed in 2009 and 2010 were selected with an AHI ≥5 and patients older than 18 years. These 1110 patients were approached with a questionnaire about cardiovascular events and CPAP treatment...
May 26, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28550021/effects-of-continuous-positive-airway-pressure-on-neurocognitive-architecture-and-function-in-patients-with-obstructive-sleep-apnoea-study-protocol-for-a-multicentre-randomised-controlled-trial
#2
Huajun Xu, Hui Wang, Jian Guan, Hongliang Yi, Yingjun Qian, Jianyin Zou, Yunyan Xia, Yiqun Fu, Xinyi Li, Xiao Jiao, Hengye Huang, Pin Dong, Ziwei Yu, Jun Yang, Mingliang Xiang, Jiping Li, Yanqing Chen, Peihua Wang, Yizhou Sun, Yuehua Li, Xiaojian Zheng, Wei Jia, Shankai Yin
OBJECTIVES: Many clinical studies have indicated that obstructive sleep apnoea (OSA), the most common chronic sleep disorder, may affect neurocognitive function, and that treatment for continuous positive airway pressure (CPAP) has some neurocognitive protective effects against the adverse effects of OSA. However, the effects of CPAP treatment on neurocognitive architecture and function remain unclear. Therefore, this multicentre trial was designed to investigate whether and when neurocognitive architecture and function in patients with OSA can be improved by CPAP treatment and to explore the role of gut microbiota in improving neurocognitive function during treatment...
May 25, 2017: BMJ Open
https://www.readbyqxmd.com/read/28546373/noninvasive-respiratory-support-in-infants-and-children
#3
Katherine L Fedor
CPAP and noninvasive ventilation (NIV) offer an alternative to intubation and mechanical ventilation in the treatment of acute and chronic respiratory disorders commonly encountered in infants and children. There are many distinct challenges associated with the application, management, and safety of CPAP and NIV in the pediatric population. This review attempts to identify indications, contraindications, management strategies, and safety measures associated with the application of CPAP or NIV delivery in children...
June 2017: Respiratory Care
https://www.readbyqxmd.com/read/28545875/regional-volume-characteristics-of-the-preterm-infant-receiving-first-intention-continuous-positive-airway-pressure
#4
Risha Bhatia, Peter G Davis, David G Tingay
OBJECTIVE: To determine whether applying nasal continuous positive airway pressure (CPAP) using systematic changes in continuous distending pressure (CDP) results in a quasi-static pressure-volume relationship in very preterm infants receiving first intention CPAP in the first 12-18 hours of life. STUDY DESIGN: Twenty infants at <32 weeks' gestation with mild respiratory distress syndrome (RDS) managed exclusively with nasal CPAP had CDP increased from 5 to 8 to 10 cmH2O, and then decreased to 8 cmH2O and returned to baseline CDP...
May 22, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28545542/recognition-and-treatment-of-sleep-disordered-breathing-an-important-component-of-chronic-disease-management
#5
REVIEW
Peter C Farrell, Glenn Richards
Sleep-disordered breathing (SDB) is a highly prevalent condition, and is associated with many debilitating chronic diseases. The role of untreated obstructive sleep apnea (OSA) in arterial hypertension has been recognized in international guidelines. Treatment with continuous positive airway pressure (CPAP) is associated with clinically-relevant reductions in blood pressure. In heart failure (HF), SDB is associated with worse prognosis and increased mortality. Major HF guidelines recommend that patients should be treated for sleep apnea to improve their HF status...
May 25, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28544812/acute-impact-of-continuous-positive-airway-pressure-on-nasal-patency
#6
Leonardo Balsalobre, Rogério Pezato, Hiran Gasparini, Fernanda Haddad, Luis Carlos Gregório, Reginaldo R Fujita
BACKGROUND: Continuous airflow in the upper airway can cause discomfort, leading to nasopharyngeal complaints. The aim of the present study is to evaluate the acute effects of continuous positive upper-airway pressure on nasal patency in awake normal subjects. METHODS: Twenty-seven adults (17 men; 10 women; age range, 18 to 43 years) were exposed to continuous airway pressure (20 cmH2 O) in the nasal cavity, delivered by a continuous positive airway pressure (CPAP) device through a nasal mask for 2 hours...
May 23, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28544539/intensive-care-unit-admissions-and-ventilation-support-in-infants-with-bronchiolitis
#7
Ed Oakley, Vi Chong, Meredith Borland, Jocelyn Neutze, Natalie Phillips, David Krieser, Stuart Dalziel, Andrew Davidson, Susan Donath, Kim Jachno, Mike South, Amanda Fry, Franz E Babl
OBJECTIVES: To describe the rate of intensive care unit (ICU) admission, type of ventilation support provided and risk factors for ICU admission in infants with bronchiolitis. DESIGN: Retrospective review of hospital records and Australia and New Zealand Paediatric Intensive Care (ANZPIC) registry data for infants 2-12 months old admitted with bronchiolitis. SETTING: Seven Australian and New Zealand hospitals. These infants were prospectively identified through the comparative rehydration in bronchiolitis (CRIB) study between 2009 and 2011...
May 19, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28541508/self-efficacy-and-short-term-adherence-to-continuous-positive-airway-pressure-treatment-in-children
#8
Melissa S Xanthopoulos, Ji Young Kim, Michael Blechner, Ming-Yu Chang, Mary Kate Menello, Christina Brown, Edward Matthews, Terri E Weaver, Justine Shults, Carole L Marcus
Study Objectives: Infants, children and adolescents are increasingly being prescribed continuous positive airway pressure (CPAP) for treatment of obstructive sleep apnea (OSAS), yet adherence is often poor. The purpose of this study was to examine the relationship between caregiver and patient-reported health cognitions about CPAP prior to starting CPAP, and CPAP adherence at one month. We hypothesized that greater caregiver-reported self-efficacy would be positively associated with CPAP adherence in children...
May 24, 2017: Sleep
https://www.readbyqxmd.com/read/28538774/influence-of-the-ventilatory-mode-on-acute-adverse-effects-and-facial-thermography-after-noninvasive-ventilation
#9
Suzy Maria Montenegro Pontes, Luiz Henrique de Paula Melo, Nathalia Parente de Sousa Maia, Andrea da Nóbrega Cirino Nogueira, Thiago Brasileiro Vasconcelos, Eanes Delgado Barros Pereira, Vasco Pinheiro Diógenes Bastos, Marcelo Alcantara Holanda
Objective: To compare the incidence and intensity of acute adverse effects and the variation in the temperature of facial skin by thermography after the use of noninvasive ventilation (NIV). Methods: We included 20 healthy volunteers receiving NIV via oronasal mask for 1 h. The volunteers were randomly divided into two groups according to the ventilatory mode: bilevel positive airway pressure (BiPAP) or continuous positive airway pressure (CPAP). Facial thermography was performed in order to determine the temperature of the face where it was in contact with the mask and of the nasal dorsum at various time points...
March 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/28537154/taking-the-lead-from-premature-babies-regarding-their-care
#10
Olivia Gordon
William was born at 26 weeks' gestation and, three weeks later, he is in a high-dependency ward breathing with the help of a continuous positive airway pressure (CPAP) machine. On the whiteboard next to his incubator, a nurse has written 'minimal handling'.
May 24, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28533903/using-paco2-values-to-grade-obesity-hypoventilation-syndrome-severity-a-retrospective-study
#11
Mario Francesco Damiani, Vito Antonio Falcone, Pierluigi Carratù, Cristina Scoditti, Elioda Bega, Silvano Dragonieri, Alfredo Scoditti, Onofrio Resta
BACKGROUND: To date, an important aspect that has still not been clarified is the assessment of OHS severity. The purpose of this retrospective study was to evaluate whether grading OHS severity according to PaCO2 values may be useful in order to provide a more definite characterization and targeted management of patients. In this regard, baseline anthropometric and sleep polygraphic characteristics, treatment options, and follow up outcomes, were compared between OHS patients with different degree of severity (as assessed according to PaCO2 values)...
2017: Multidisciplinary Respiratory Medicine
https://www.readbyqxmd.com/read/28531336/loop-gain-predicts-the-response-to-upper-airway-surgery-in-patients-with-obstructive-sleep-apnoea-ventilatory-control-abnormalities-predict-surgical-responsiveness
#12
Simon A Joosten, Paul Leong, Shane A Landry, Scott A Sands, Philip I Terrill, Dwayne Mann, Anthony Turton, Jhanavi Rangaswamy, Christopher Andara, Glen Burgess, Darren Mansfield, Garun S Hamilton, Bradley A Edwards
Study Objectives: Upper airway surgery is often recommended to treat OSA patients who cannot tolerate continuous positive airways pressure (CPAP). However, the response to surgery is variable, potentially because it does not improve the non-anatomical factors (i.e. loop gain and arousal threshold) causing OSA. Measuring these traits clinically might predict responses to surgery. Our primary objective was to test the value of loop gain and arousal threshold to predict surgical success defined as 50% reduction in apnea-hypopnea index (AHI) and AHI <10 events/hr post-surgery...
May 22, 2017: Sleep
https://www.readbyqxmd.com/read/28527878/obstructive-sleep-apnea-and-diabetes-a-state-of-the-art-review
#13
REVIEW
Sirimon Reutrakul, Babak Mokhlesi
Obstructive sleep apnea (OSA) is a chronic treatable sleep disorder and a frequent comorbidity in patients with type 2 diabetes. Cardinal features of OSA, including intermittent hypoxemia and sleep fragmentation, have been linked to abnormal glucose metabolism in laboratory-based experiments. OSA has also been linked to the development of incident type 2 diabetes. The relationship between OSA and type 2 diabetes may be bidirectional in nature given that diabetic neuropathy can affect central control of respiration and upper airway neural reflexes promoting sleep-disordered breathing...
May 17, 2017: Chest
https://www.readbyqxmd.com/read/28522758/regulation-of-erythropoiesis-after-normoxic-return-from-chronic-sustained-and-intermittent-hypoxia
#14
Jihyun Song, Krishna Sundar, Radhika Gangaraju, Josef T Prchal
Hypoxia increases erythropoiesis mediated by hypoxia-inducible transcription factors (HIF) which regulate erythropoietin (EPO) transcription. Neocytolysis is a physiological mechanism that corrects polycythemia from chronic sustained hypoxemia (CSH) by transient, preferential destruction of young RBCs after normoxia is restored. We showed that neocytolysis is caused by excessive mitochondrial-derived reactive oxygen species (ROS) in reticulocytes mediated by down-regulation of HIF-controlled BNIP3L regulated mitophagy and a decrease in RBC antioxidant catalase (CAT) in hypoxia-produced erythrocytes...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28522275/impact-of-continuous-positive-airway-pressure-on-left-ventricular-systolic-loading-and-coronary-flow-reserve-in-healthy-young-men
#15
Volker Schulze, Christian Meyer, Christian Eickholt, Roberto Sansone, Stefanie Keymel, Christian Heiss, Tienush Rassaf, Malte Kelm, Stephan Steiner
BACKGROUND: Increased augmentation index (AIx) is accompanied by an elevated cardiovascular risk. A reduction of AIx is known for long-term continuous positive airway pressure (CPAP) therapy. We hypothesised that acute preload and left ventricular workload effects AIx and subendocardial viability ratio (SEVR) as a marker of coronary flow reserve. METHODS: Increased augmentation index and central blood pressure parameters were measured by radial artery tonometry in 17 healthy men (32/±6years) at rest and during CPAP ventilation at pressures of 5, 10mbar and after recovery...
March 31, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28522094/continuous-positive-air-pressure-improves-orthonasal-olfactory-function-of-patients-with-obstructive-sleep-apnea
#16
Ute Walliczek-Dworschak, Werner Cassel, Luisa Mittendorf, Robert Pellegrino, Ulrich Koehler, Christian Güldner, Philipp Otto Georg Dworschak, Olaf Hildebrandt, Hanna Daniel, Thomas Günzel, Afshin Teymoortash, Thomas Hummel
OBJECTIVE: Recent studies have suggested that patients with obstructive sleep apnea (OSA) might be affected by olfactory impairment. However, more evidence is needed on the effect that OSA has on the chemical senses (olfaction and gustatory) of these patients, and whether continuous positive airway pressure (CPAP) treatment might help to reverse possible impairment. METHODS: A prospective study was conducted with 44 OSA patients (17 female and 27 male, mean age 54 ± 9...
June 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28522081/natural-course-and-potential-prognostic-factors-for-sleep-disordered-breathing-in-multiple-system-atrophy
#17
Yasuyoshi Ohshima, Hideaki Nakayama, Naho Matsuyama, Satoshi Hokari, Takuro Sakagami, Tomoe Sato, Toshiyuki Koya, Tetsuya Takahashi, Toshiaki Kikuchi, Masatoyo Nishizawa, Takayoshi Shimohata
OBJECTIVE/BACKGROUND: Multiple system atrophy (MSA) frequently results in the development of sleep-disordered breathing (SDB). Few reports have described the natural course of this phenomenon. The aim of the present study was to determine the natural course of SDB and prognostic factors associated with such conditions in MSA. PATIENTS/METHODS: Twenty-four consecutive patients were recruited with probable MSA, who had not been treated with continuous positive airway pressure (CPAP) and had undergone overnight polysomnography (PSG) more than once following the development of snoring or stridor...
June 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28520763/genome-wide-gene-expression-array-identifies-novel-genes-related-to-disease-severity-and-excessive-daytime-sleepiness-in-patients-with-obstructive-sleep-apnea
#18
Yung-Che Chen, Kuang-Den Chen, Mao-Chang Su, Chien-Hung Chin, Chung-Jen Chen, Chia-Wei Liou, Ting-Wen Chen, Ya-Chun Chang, Kuo-Tung Huang, Chin-Chou Wang, Ting-Ya Wang, Jen-Chieh Chang, Yong-Yong Lin, Yi-Xin Zheng, Meng-Chih Lin, Chang-Chun Hsiao
We aimed to identify novel molecular associations between chronic intermittent hypoxia with re-oxygenation and adverse consequences in obstructive sleep apnea (OSA). We analyzed gene expression profiles of peripheral blood mononuclear cells from 48 patients with sleep-disordered breathing stratified into four groups: primary snoring (PS), moderate to severe OSA (MSO), very severe OSA (VSO), and very severe OSA patients on long-term continuous positive airway pressure treatment (VSOC). Comparisons of the microarray gene expression data identified eight genes up-regulated with OSA and down-regulated with CPAP treatment, and five genes down-regulated with OSA and up-regulated with CPAP treatment...
2017: PloS One
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
#19
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/28507580/impact-of-antenatal-oxytocin-infusion-on-neonatal-respiratory-morbidity-associated-with-elective-cesarean-section
#20
Ibrahim Abdelazim, Mohamed M M Farghali, Assem A M Elbiaa, Khaled M Abdelrazak, Mohamed Hussain, Amr H Yehia, Mona Rashad
INTRODUCTION: This study was designed to estimate respiratory morbidity associated with elective cesarean section (ECS) and to determine the effect of antenatal oxytocin exposure on this morbidity. MATERIAL AND METHODS: Nine hundred and sixty-five neonates ≥ 37 weeks' gestation delivered by cesarean section during 1 year were included in this retrospective study and classified into two groups according to oxytocin exposure before cesarean deliveries. Respiratory morbidity for each group was recorded and statistically analyzed...
April 1, 2017: Archives of Medical Science: AMS
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