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Central sleep apnea

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https://www.readbyqxmd.com/read/28314626/cerebral-hemodynamic-effects-of-cheyne-stokes-respiration-in-a-patient-with-stroke
#1
R C Nogueira, R B Panerai, M J Teixeira, T G Robinson, E Bor-Seng-Shu
INTRODUCTION: Cheyne-Stokes respiration (CSR) and central sleep apnea (CSA) are common in patients with heart failure and/or stroke. We aim to describe the cerebrovascular effects of CSR during the acute phase of stroke in a heart failure patient. CASE REPORT: A 74-year-old male with previous dilated cardiomyopathy had sudden onset of right hemiparesis and aphasia. A transcranial Doppler was performed with continuous measurement of blood pressure (BP) (Finometer) and end-tidal CO2 (nasal capnography)...
March 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28306414/cross-sectional-comparison-of-sleep-disordered-breathing-in-native-peruvian-highlanders-and-lowlanders
#2
Luu V Pham, Christopher Meinzen, Rafael S Arias, Noah G Schwartz, Adi Rattner, Catherine H Miele, Philip L Smith, Hartmut Schneider, J Jaime Miranda, Robert H Gilman, Vsevolod Y Polotsky, William Checkley, Alan R Schwartz
Pham, Luu V., Christopher Meinzen, Rafael S. Arias, Noah G. Schwartz, Adi Rattner, Catherine H. Miele, Philip L. Smith, Hartmut Schneider, J. Jaime Miranda, Robert H. Gilman, Vsevolod Y. Polotsky, William Checkley, and Alan R. Schwartz. Cross-sectional comparison of sleep-disordered breathing in native Peruvian highlanders and lowlanders. High Alt Med Biol. 18:11-19, 2017. BACKGROUND: Altitude can accentuate sleep disordered breathing (SDB), which has been linked to cardiovascular and metabolic diseases...
March 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28306346/risk-factors-for-central-serous-chorioretinopathy-multivariate-approach-in-a-case-control-study
#3
Irini Chatziralli, Stamatina A Kabanarou, Efstratios Parikakis, Alexandros Chatzirallis, Tina Xirou, Panagiotis Mitropoulos
PURPOSE: The purpose of this prospective study was to investigate the potential risk factors associated independently with central serous retinopathy (CSR) in a Greek population, using multivariate approach. MATERIALS AND METHODS: Participants in the study were 183 consecutive patients diagnosed with CSR and 183 controls, matched for age. All participants underwent complete ophthalmological examination and information regarding their sociodemographic, clinical, medical and ophthalmological history were recorded, so as to assess potential risk factors for CSR...
March 17, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28300569/obesity-as-an-effect-modifier-in-sleep-disordered-breathing-and-post-cardiac-surgery-atrial-fibrillation
#4
Roop Kaw, Samer El Zarif, Lu Wang, James Bena, Eugene Blackstone, Reena Mehra
INTRODUCTION: As the inter-relationships of objectively-ascertained sleep disordered breathing (SDB), post-cardiac surgery atrial fibrillation (PCSAF) and obesity remain unclear; we aimed to further investigate in a clinic-based cohort. METHODS: Patients with polysomnography (PSG) and cardiac surgery (coronary artery bypass surgery and/or valvular surgery) within 3 years, from January 2009 to January 2014 were identified excluding those with pre-existing AF. Logistic models were used to determine the association of SDB (apnea hypopnea index (AHI) per 5 unit increase) and secondary predictors [central sleep apnea (CSA) (central apnea index>5) and oxygen desaturation index (ODI)] with PCSAF...
March 11, 2017: Chest
https://www.readbyqxmd.com/read/28293224/prevalence-of-m75-streptococcus-pyogenes-strains-harboring-slaa-gene-in-patients-affected-by-pediatric-obstructive-sleep-apnea-syndrome-in-central-italy
#5
Elisa Viciani, Francesca Montagnani, Giacinta Tordini, Antonio Romano, Lorenzo Salerni, Andrea De Luca, Paolo Ruggiero, Andrea G O Manetti
Recently we reported an association between pediatric obstructive sleep apnea syndrome (OSAS) and Group A streptococcus (GAS) sub-acute chronic tonsil colonization. We showed that GAS may contribute to tonsil hyperplasia via a streptolysin O (SLO)-dependent cysteinyl leukotrienes (CysLTs) production, which can trigger T and B cell proliferation. In the present study, we characterized the GAS strains isolated from pediatric OSAS patients in comparison with a panel of age and sex matched GAS strains unrelated to OSAS, but isolated in the same area and during the same period ranging from 2009 to 2013...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28291376/cardioversion-of-atrial-fibrillation-does-not-affect-obstructive-sleep-apnea
#6
Niklas Höglund, Carin Sahlin, Milos Kesek, Steen M Jensen, Karl A Franklin
BACKGROUND: Sleep apnea is common in patients with atrial fibrillation, but the effect of the cardioversion of atrial fibrillation to sinus rhythm on central and obstructive apneas is mainly unknown. The primary aim of the study was to analyze the association between cardioversion of atrial fibrillation and sleep apneas, to investigate whether obstructive or central sleep apneas are reduced following cardioversion. A secondary objective was to study the effect on sleep quality. METHODS: Twenty-three patients with atrial fibrillation were investigated using overnight polysomnography, including esophagus pressure monitoring and ECG, before and after the cardioversion of persistent atrial fibrillation...
March 14, 2017: Upsala Journal of Medical Sciences
https://www.readbyqxmd.com/read/28281031/pulse-transit-time-as-a-tool-to-characterize-obstructive-and-central-apneas-in-children
#7
Lucie Griffon, Alessandro Amaddeo, Jorge Olmo Arroyo, Rossana Tenconi, Serena Caggiano, Sonia Khirani, Brigitte Fauroux
PURPOSE: The characterization of apneas during polysomnography (PSG) as obstructive or central is a key element of a sleep study. Pulse transit time (PTT) has demonstrated its potential as a noninvasive surrogate marker for inspiratory efforts. The aim of the study was to assess the ability of PTT to classify apneas as central or obstructive, as compared to respiratory inductance plethysmography (RIP) in children. METHODS: Overnight PSG with simultaneous PTT recording was performed on 11 consecutive children (mean age 8...
March 9, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28274235/multicenter-study-on-the-effectiveness-of-the-pre-epiglottic-baton-plate-for-airway-obstruction-and-feeding-problems-in-robin-sequence
#8
Christian F Poets, Christoph Maas, Wolfgang Buchenau, Joerg Arand, Anne Vierzig, Bert Braumann, Silvia Müller-Hagedorn
BACKGROUND: Treatment of Robin sequence is often either invasive or of unproven effectiveness. The pre-epiglottic baton plate (PEBP) is a well-studied alternative, yet is not widely applied internationally. We report on a prospective 3-center cohort study investigating this treatment. Based on an agreed protocol, parents of infants with Robin sequence referred to participating centers were offered enrollment, which involved taking a maxillary cast followed by endoscopy to fit the plate and sleep studies to monitor its effectiveness...
March 9, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28271512/scoping-review-of-pediatric-tonsillectomy-quality-of-life-assessment-instruments
#9
Stephen Shih-Teng Kao, Micah D J Peters, Nuwan Dharmawardana, Benjamin Stew, Eng Hooi Ooi
OBJECTIVES/HYPOTHESIS: Sleep-disordered breathing or recurrent tonsillitis have detrimental effects on the child's physical health and quality of life. Tonsillectomy is commonly performed to treat these common conditions and improve the child's quality of life. This scoping review aims to present a comprehensive and descriptive analysis of quality of life questionnaires as a resource for clinicians and researchers when deciding which tool to use when assessing the quality of life effects after tonsillectomy...
March 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28269371/portable-prescreening-system-for-sleep-apnea
#10
Martin Kjaer Guul, Poul Jennum, Helge B D Sorensen
Obstructive sleep apnea (OSA) occurs in more than 4 % of the adult population. Diagnoses for OSA in sleep clinics are costly and more than half of those submitted to a sleep clinic do not have OSA. A simple, easy, and portable homebased monitoring system to evaluate who are in high-or low risk of suffering from OSA would be beneficial. The system must be able to identify individuals with a high pre-test reliability regarding OSA with the aim of referral and further investigation. We aimed to develop a portable, smartphone, and homebased monitoring system to classify whether a patient screened for sleep apnea is at high risk or low risk of having OSA...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268774/distinguishing-obstructive-from-central-sleep-apneas-and-hypopneas-using-linear-svm-and-acoustic-features
#11
Richard Hummel, T Douglas Bradley, Devin Packer, Hisham Alshaer
Sleep Apnea (SA) is a very common but underdiagnosed respiratory disorder. SA has 2 main types, obstructive and central sleep apnea (OSA and CSA, respectively). The distinction between the 2 types is important for proper clinical management. Our aim in this study was to deploy acoustic analysis of breath sounds to distinguish central from obstructive events. We recorded breath sounds from 29 patients from which 45 segments with obstructive only and 40 segments with central only respiratory events were isolated...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28261503/cpap-treatment-partly-normalizes-sleep-spindle-features-in-obstructive-sleep-apnea
#12
Tiia Saunamäki, Eero Huupponen, Juho Loponen, Sari-Leena Himanen
Objective. Obstructive sleep apnea (OSA) decreases sleep spindle density and frequency. We evaluated the effects of continuous positive airway pressure (CPAP) treatment on different features of sleep spindles. Methods. Twenty OSA patients underwent two night polysomnographies in a diagnostic phase and one night polysomnography after 6 months of CPAP treatment. The control group comprised 20 healthy controls. Sleep spindles were analyzed by a previously developed automated method. Unilateral and bilateral spindles were identified in central and frontopolar brain locations...
2017: Sleep Disorders
https://www.readbyqxmd.com/read/28253389/technique-and-preliminary-analysis-of-drug-induced-sleep-endoscopy-with-online-polygraphic-cardiorespiratory-monitoring-in-patients-with-obstructive-sleep-apnea-syndrome
#13
Riccardo Gobbi, Simone Baiardi, Susanna Mondini, Luca Cerritelli, Ottavio Piccin, Giuseppe Scaramuzzino, Francesca Milano, Maria Rita Melotti, Francesco Mordini, Antonio Pirodda, Fabio Cirignotta, Giovanni Sorrenti
Importance: Drug-induced sleep endoscopy is a diagnostic technique that allows dynamic evaluation of the upper airway during artificial sleep. The lack of a standardized procedure and the difficulties associated with direct visual detection of obstructive events result in poor intraobserver and interobserver reliability, especially when otolaryngology surgeons not experienced in the technique are involved. Objectives: To describe a drug-induced sleep endoscopy technique implemented with simultaneous polygraphic monitoring of cardiorespiratory parameters (DISE-PG) in patients with a diagnosis of obstructive sleep apnea syndrome and discuss the technique's possible advantages compared with the standard procedure...
March 2, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28243925/utility-of-home-sleep-apnea-testing-in-high-risk-veterans
#14
Alyssa Cairns, Kathleen Sarmiento, Richard Bogan
PURPOSE: Many Veterans Affairs Medical Centers (VAMCs) have implemented home sleep apnea testing (HSAT) in lieu of traditional in-lab testing to establish a timely and cost-sensitive diagnosis of obstructive sleep apnea (OSA). However, concern remains for the sensitivity and specificity of said technology in this population as many veterans are at increased risk for many of the comorbid conditions that can limit the accuracy of HSAT results. Hence, the purpose of this study is to evaluate rate of incongruent outcomes (e...
February 27, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28243864/hypersomnolence-hypersomnia-and-mood-disorders
#15
REVIEW
Lucie Barateau, Régis Lopez, Jean Arthur Micoulaud Franchi, Yves Dauvilliers
Relationships between symptoms of hypersomnolence, psychiatric disorders, and hypersomnia disorders (i.e., narcolepsy and idiopathic hypersomnia) are complex and multidirectional. Hypersomnolence is a common complaint across mood disorders; however, patients suffering from mood disorders and hypersomnolence rarely have objective daytime sleepiness, as assessed by the current gold standard test, the Multiple Sleep Latency Test. An iatrogenic origin of symptoms of hypersomnolence, and sleep apnea syndrome must be considered in a population of psychiatric patients, often overweight and treated with sedative drugs...
February 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28229031/characterization-of-sleep-architecture-in-down-syndrome-patients-pre-and-post-airway-surgery
#16
Mark Mims, Prasad John Thottam, Dennis Kitsko, Amber Shaffer, Sukgi Choi
OBJECTIVES: To define obstructive sleep architecture patterns in Down syndrome (DS) children as well as changes to sleep architecture patterns postoperatively. STUDY DESIGN: The study was a retrospective review. METHODS: Forty-five pediatric DS patients who underwent airway surgery between 2003 and 2014 at a tertiary children's hospital for obstructive sleep apnea (OSA) were investigated. Postoperative changes in respiratory parameters and sleep architecture (SA) were assessed and compared to general pediatric normative data using paired t-tests and Wilcoxon signed-rank test...
January 17, 2017: Curēus
https://www.readbyqxmd.com/read/28227614/portable-prescreening-system-for-sleep-apnea
#17
Martin Kjaer Guul, Poul Jennum, Helge B D Sorensen, Martin Kjaer Guul, Poul Jennum, Helge B D Sorensen, Martin Kjaer Guul, Helge B D Sorensen, Poul Jennum
Obstructive sleep apnea (OSA) occurs in more than 4 % of the adult population. Diagnoses for OSA in sleep clinics are costly and more than half of those submitted to a sleep clinic do not have OSA. A simple, easy, and portable homebased monitoring system to evaluate who are in high-or low risk of suffering from OSA would be beneficial. The system must be able to identify individuals with a high pre-test reliability regarding OSA with the aim of referral and further investigation. We aimed to develop a portable, smartphone, and homebased monitoring system to classify whether a patient screened for sleep apnea is at high risk or low risk of having OSA...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226965/distinguishing-obstructive-from-central-sleep-apneas-and-hypopneas-using-linear-svm-and-acoustic-features
#18
Richard Hummel, T Douglas Bradley, Devin Packer, Hisham Alshaer, Richard Hummel, T Douglas Bradley, Devin Packer, Hisham Alshaer, Devin Packer, T Douglas Bradley, Hisham Alshaer, Richard Hummel
Sleep Apnea (SA) is a very common but underdiagnosed respiratory disorder. SA has 2 main types, obstructive and central sleep apnea (OSA and CSA, respectively). The distinction between the 2 types is important for proper clinical management. Our aim in this study was to deploy acoustic analysis of breath sounds to distinguish central from obstructive events. We recorded breath sounds from 29 patients from which 45 segments with obstructive only and 40 segments with central only respiratory events were isolated...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224726/a%C3%A4-rway-and-sleep-d%C3%A4-sorders-%C3%A4-n-pat%C3%A4-ents-w%C3%A4-th-acromegaly
#19
Onur Turan, Barış Akıncı, Ahmet Omer Ikız, Oya Itıl, Ibrahim Oztura, Emel Ada, Bahri Akdenız, Serkan Yener, Murat Kaya, Arzu Gedık, Abdurrahman Comlekcı
INTRODUCTION-OBJECTIVE: Acromegaly is a multisystemic disorder caused by excessive secretion of growth hormone (GH). Sleep-disordered breathing (SDB) such as sleep apnea syndrome (SAS) may occur in acromegaly. The aim of study was to assess the presence of sleep disorders and evaluate the systemic complications on respiratory, cardiovascular and upper airway systems in acromegalic patients. METHODS: The study group consisted of 30 acromegaly outpatients. GH and insulin-like growth factor 1 (IGF-1) measurements were obtained; body pletysmography, arterial blood gas analysis,tissue-doppler imaging,echocardiography,polysomnography,otorhinolaryngologic examination and head-neck computed tomography were performed...
February 22, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28220556/association-between-central-sleep-apnea-and-left-ventricular-structure-the-multi-ethnic-study-of-atherosclerosis
#20
Sogol Javaheri, Ravi K Sharma, David A Bluemke, Susan Redline
We assessed whether the presence of central sleep apnea is associated with adverse left ventricular structural changes. We analysed 1412 participants from the Multi-Ethnic Study of Atherosclerosis who underwent both overnight polysomnography and cardiac magnetic resonance imaging. Subjects had been recruited 10 years earlier when free of cardiovascular disease. Our main exposure is the presence of central sleep apnea as defined by central apnea-hypopnea index = 5 or the presence of Cheyne-Stokes breathing...
February 21, 2017: Journal of Sleep Research
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