Sleep and Breathing International Journal of the Science and Practice of Sleep Medicine Editors-In-Chief: A.H

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Sleep and Breathing International Journal of the Science and Practice of Sleep Medicine Editors-in-Chief: A.H. Eliasson; Th. Penzel ▶ Reflects the state of the art in the international science and practice of sleep medicine ▶ Official Journal of the Australasian Academy of Dental Sleep Medicine (AustADSM), the European Academy of Dental Sleep Medicine (EADSM), the Japanese Academy of Dental Sleep Medicine (JADSM), and Korean Academy of Dental Sleep Medicine (KADSM) ▶ Presents well-chosen, well-written, and highly organized information that is useful in patient care ▶ 100% of authors who answered a survey reported that they would definitely publish or probably publish in the journal again Sleep and Breathing reflects the international state of the science and practice of sleep 4 issues/year medicine. The journal is founded on the recognition that management of sleep disorders requires a multi-disciplinary approach and diverse perspectives. Sleep and Breathing Electronic access presents timely and original peer-reviewed studies on the management of the upper ▶ link.springer.com airway during sleep. Subscription information The journal presents cutting edge information on common sleep disorders and disruptions, including insomnia and shift work. Coverage includes patient studies, and springer.com/librarians ▶ studies that emphasize the principles of physiology and pathophysiology or illustrate novel approaches to diagnosis and treatment. In addition, the journal features articles describing patient-oriented and cost-benefit health outcomes research. It is dedicated to making the most important developments in sleep disordered breathing easily accessible to all who treat sleep apnea, presenting well-chosen, well-written, and highly organized information that is useful in patient care. Impact Factor: 2.816 (2020), Journal Citation Reports® On the homepage of Sleep and Breathing at springer.com you can ▶ Sign up for our Table of Contents Alerts ▶ Get to know the complete Editorial Board ▶ Find submission information.

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The Genesis of Obstructive Sleep Apnea JAOA • Vol 100 • No 8 • Supplement to August 2000 • S1 Table 1 Characteristics of Sleep Stages*
major findings is that OSA contributes an independent risk for the development of Sleep and breathing cardiovascular disease after accounting for other known risk factors. Conse- disorders: the genesis quently, the identification of these dis- of obstructive sleep apnea orders and their treatment may help to prevent morbidity and mortality. The prevalence of these disorders poses sig- BRIAN H. FORESMAN, DO nificant issues for the primary care physi- cians. Sleep physiology Basic sleep physiology, although rarely Sleep encompasses approximately a third of our lives; however, sleep and the discussed in osteopathic medical schools, disorders of sleep are not widely understood. Data suggest that sleep plays a is essential in the understanding of OSA restorative role in physiologic mechanisms and that long-term disruption of sleep and related disorders. Sleep is classified may contribute to the development of disease. Nearly a third of the adult popu- in two major states: non–rapid-eye-move- lation is chronically afflicted by sleep disorders, and substantial economic loss is ment (non-REM) sleep and REM sleep. attributable to these disorders in terms of lost time, inefficiency, and accidents. Of Non-REM sleep comprises stages 1, 2, 3, the sleep disorders, obstructive sleep apnea (OSA) is one of the more common, clin- and 4. Stages 3 and 4 comprise slow- ically affecting up to 5% of the adult population. Obstructive sleep apnea con- wave sleep and are characterized as deep tributes to the development of disease and has an adverse impact on daytime sleep. As one progresses from stage 1 to functioning in those affected by the disease.
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Sherrill; OSA, COPD, OHS Pptx
Wm. Charles Sherrill, Jr. M.D. Medical Director, Presbyterian Sleep Health NC Respiratory Care Symposium September 12, 2012 [email protected] Discuss the normal respiratory changes which occur with sleep Discuss the impact of COPD on sleep Review the clinical presentation of obstructive sleep apnea Discuss the clinical significance of the overlap syndrome (COPD and OSA) Discuss obesity hypoventilation syndrome (OHS) Sudden death in the hospital Sleep Stages Non REM (NREM) Increase in parasympathetic activity Decrease in sympathetic activity Rapid Eye Movement (REM) Tonic phase Further Parasympathetic activity increase Phasic phase Sympathetic surge Control of breathing Metabolic (automatic) paCO2, paO2 Voluntary ( behavioral) Activity of Reticular Activating System (RAS) Brainstem tonic activity Both metabolic and voluntary are active in wake Sleep onset: voluntary (RAS) activity ceases; control of breathing metabolic only Normal Sleep Minute ventilation decreases Function of reduction in Tidal Volume, less Respiratory Rate PaCO2 increase 2-8 mmHg PaO2 decreases 3-10 mmHg; O2 saturation < 2%. Ventilation decrease is greatest in REM sleep Up to 40% reduction in ventilation esp phasic REM Both the hypoxic and hypercapnic ventilatory response decrease as sleep deepens. Upper airway resistance increases Level of palate and hypopharynx Increase 3-7 x wake Metabolism decreases: both VCO2 and VO2 Arousal responses are reduced in sleep PCO2 increase of 6-15 mmHg. SaO2 < 75% (normals) . Hypercapnea
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The Bidirectional Relationship Between Obstructive Sleep Apnea and Metabolic Disease
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by epublications@Marquette Marquette University e-Publications@Marquette Biological Sciences Faculty Research and Biological Sciences, Department of Publications 8-6-2018 The idirB ectional Relationship Between Obstructive Sleep Apnea and Metabolic Disease Sarah N. Framnes Marquette University Deanna M. Arble Marquette University, [email protected] Published version. Frontiers in Endocrinology, Vol. 9, No. 440 (August 6, 2018). DOI. © 2018 Framnes and Arble. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. REVIEW published: 06 August 2018 doi: 10.3389/fendo.2018.00440 The Bidirectional Relationship Between Obstructive Sleep Apnea and Metabolic Disease Sarah N. Framnes and Deanna M. Arble* Department of Biological Sciences, Marquette University, Milwaukee, WI, United States Obstructive sleep apnea (OSA) is a common sleep disorder, effecting 17% of the total population and 40–70% of the obese population (1, 2). Multiple studies have identiﬁed OSA as a critical risk factor for the development of obesity, diabetes, and cardiovascular diseases (3–5). Moreover, emerging evidence indicates that metabolic disorders can exacerbate OSA, creating a bidirectional relationship between OSA and metabolic physiology. In this review, we explore the relationship between glycemic control, insulin, and leptin as both contributing factors and products of OSA.
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Physiology in Sleep
Physiology in Sleep Section Gilles Lavigne 4 17 Relevance of Sleep 21 Respiratory Physiology: 26 Endocrine Physiology in Physiology for Sleep Central Neural Control Relation to Sleep and Medicine Clinicians of Respiratory Neurons Sleep Disturbances 18 What Brain Imaging and Motoneurons during 27 Gastrointestinal Reveals about Sleep Sleep Physiology in Relation to Generation and 22 Respiratory Physiology: Sleep Maintenance Understanding the 28 Body Temperature, 19 Cardiovascular Control of Ventilation Sleep, and Hibernation Physiology: Central and 23 Normal Physiology of 29 Memory Processing in Autonomic Regulation the Upper and Lower Relation to Sleep 20 Cardiovascular Airways 30 Sensory and Motor Physiology: Autonomic 24 Respiratory Physiology: Processing during Sleep Control in Health and in Sleep at High Altitudes and Wakefulness Sleep Disorders 25 Sleep and Host Defense Relevance of Sleep Physiology for Chapter Sleep Medicine Clinicians Gilles Lavigne 17 Abstract a process that is integral to patient satisfaction and well The physiology section of this volume covers a wide spectrum being. A wider knowledge of physiology will also assist clini- of very precise concepts from molecular and behavioral genet- cians in clarifying new and relevant research priorities for ics to system physiology (temperature control, cardiovascular basic scientists or public health investigators. Overall, the and respiratory physiology, immune and endocrine functions, development of enhanced communication between health sensory motor neurophysiology), integrating functions such as workforces will promote the rapid transfer of relevant clinical mental performance, memory, mood, and wake time physical issues to scientists, of new findings to the benefit of patients. functioning. An important focus has been to highlight the At the same time, good communication will keep clinicians in relevance of these topics to the practice of sleep medicine.
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Sleep at High Altitude: Guesses and Facts
J Appl Physiol 119: 1466–1480, 2015. Review First published July 30, 2015; doi:10.1152/japplphysiol.00448.2015. HIGHLIGHTED TOPIC Hypoxia 2015 Sleep at high altitude: guesses and facts Konrad E. Bloch,1,2,3 Jana C. Buenzli,1 Tsogyal D. Latshang,1,3 and Silvia Ulrich1,2 1Sleep Disorders Center, Pulmonary Division, University Hospital of Zurich, Zurich; Switzerland; 2Zurich Center for Human Integrative Physiology, University of Zurich, Zurich, Switzerland; and 3Zurich Center for Interdisciplinary Sleep Research, University of Zurich, Zurich, Switzerland Submitted 8 June 2015; accepted in final form 13 July 2015 Bloch KE, Buenzli JC, Latshang TD, Ulrich S. Sleep at high altitude: guesses and facts. J Appl Physiol 119: 1466–1480, 2015. First published July 30, 2015; doi:10.1152/japplphysiol.00448.2015.—Lowlanders commonly report a poor sleep quality during the first few nights after arriving at high altitude. Polysomnographic studies reveal that reductions in slow wave sleep are the most consistent altitude- induced changes in sleep structure identified by visual scoring. Quantitative spectral analyses of the sleep electroencephalogram have confirmed an altitude-related reduc- tion in the low-frequency power (0.8-4.6 Hz). Although some studies suggest an increase in arousals from sleep at high altitude, this is not a consistent finding. Whether sleep instability at high altitude is triggered by periodic breathing or vice versa is still uncertain. Overnight changes in slow wave-derived encephalographic measures of neuronal synchronization in healthy subjects were less pronounced at moderately high (2,590 m) compared with low altitude (490 m), and this was associated with a decline in sleep-related memory consolidation.
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Association Between Sleep Apnoea and Pulmonary Hypertension in Kyrgyz Highlanders
ERJ Express. Published on December 22, 2016 as doi: 10.1183/13993003.01530-2016 ORIGINAL ARTICLE SLEEP, ALTITUDE AND PULMONARY HYPERTENSION Association between sleep apnoea and pulmonary hypertension in Kyrgyz highlanders Tsogyal D. Latshang1, Michael Furian1, Sayaka S. Aeschbacher1, Silvia Ulrich1, Batyr Osmonov2, Erkin M. Mirrakhimov2,3, Jainagul Isakova4, Almaz A. Aldashev4, Talant M. Sooronbaev2 and Konrad E. Bloch1 Affiliations: 1Clinic of Pneumology and Sleep Disorders Center, University Hospital Zurich, Zurich, Switzerland. 2Dept of Respiratory, Critical Care and Sleep Medicine, National Center for Cardiology and Internal Medicine, Bishkek, Kyrgyz Republic. 3Kyrgyz State Medical Academy, Bishkek, Kyrgyz Republic. 4Research Institute for Molecular Biology and Medicine, Bishkek, Kyrgyz Republic. Correspondence: Konrad E. Bloch, Pulmonary Division, University Hospital of Zurich, Raemistrasse 100, 8091 Zurich, Switzerland. E-mail: [email protected] @ERSpublications PH in highland residents is associated with sleep apnoea, suggesting a pathophysiologic interaction http://ow.ly/CQ1k305CQeq Cite this article as: Latshang TD, Furian M, Aeschbacher SS, et al. Association between sleep apnoea and pulmonary hypertension in Kyrgyz highlanders. EurRespirJ2017; 49: 1601530 [https://doi.org/10.1183/ 13993003.01530-2016]. ABSTRACT This case–control study evaluates a possible association between high altitude pulmonary hypertension (HAPH) and sleep apnoea in people living at high altitude. Ninety highlanders living at altitudes >2500 m without excessive erythrocytosis and with normal spirometry were studied at 3250 m (Aksay, Kyrgyzstan); 34 healthy lowlanders living below 800 m were studied at 760 m (Bishkek, Kyrgyzstan). Echocardiography, polysomnography and other outcomes were assessed. Thirty-six highlanders with elevated mean pulmonary artery pressure (mPAP) >30 mmHg (31–42 mmHg by echocardiography) were designated as HAPH+.
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Occasional Review Obstructive Sleep Apnoea
754 4Thorax 1993;48:754-764 Occasional review Thorax: first published as 10.1136/thx.48.7.754 on 1 July 1993. Downloaded from Obstructive sleep apnoea Steven G McNamara, Ronald R Grunstein, Colin E Sullivan The last 20 years of respiratory medical prac- tion. While an apnoea is agreed upon as a tice have seen many changes. As other sub- cessation of breathing for 10 or more sec- specialties such as oncology, infectious onds,2 there is a wide range in the frequency diseases, allergy/immunology, intensive care, of such events during sleep; how this fre- and occupational medicine increasingly make quency (or "respiratory disturbance index") inroads into the traditional areas of respira- correlates with disease severity and incidence tory practice, new fields requiring the exper- continues to be debated.3 Most researchers tise of the respiratory physician have use a working definition of five apnoeas per developed. Arguably the dominant examples hour to define sleep disordered breathing2 but of these are disorders of breathing in sleep. this is by no means consistent in the litera- Until recently terms such as "REM sleep," ture. This definition was developed at a time "apnoea index," and "nasal CPAP" were for- when OSA was thought to be a rare disorder eign to most people working in respiratory and these arbitrary cut offs allowed medicine. The parallel development of meth- researchers to communicate in a common ods of measuring ventilation and blood gas "language"-an important consideration in levels non-invasively with the standardised reviewing any literature on this subject. As monitoring of sleep has led to a recognition OSA is increasingly recognised as a common that sleep disorders-particularly abnormal disorder such definitions need to be reconsid- breathing during sleep-are both causes and ered.
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Sleep and Breathing Disorders: a Multidisciplinary Approach
EDITORIAL SLEEP AND BREATHING Sleep and breathing disorders: a multidisciplinary approach Walter T. McNicholas1 and Claudio L.A. Bassetti2 Affiliations: 1Pulmonary and Sleep Disorders Unit, St Vincent’s University Hospital, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland. 2Neurology Dept, Inselspital, Bern University Hospital, Bern, Switzerland. Correspondence: W.T. McNicholas, Pulmonary and Sleep Disorders Unit, St Vincent’s University Hospital, Elm Park, Dublin 4, Ireland. E-mail: [email protected] @ERSpublications Sleep apnoea benefits from multidisciplinary care was the focus of the recent Sleep and Breathing meeting http://ow.ly/mMAYH Sleep-related respiratory disorders are highly prevalent, and represent a growing subspecialty of respiratory medicine. Sleep apnoea is nearly as prevalent in the general population as chronic obstructive pulmonary disease [1, 2], and the comprehensive management of the disorder requires special knowledge and expertise. Since sleep apnoea also represents the most common organic cause of excessive daytime sleepiness presenting to sleep clinics, the topic is also of important clinical relevance to sleep specialists in general. Furthermore, obstructive sleep apnoea syndrome (OSAS) is an important independent contributor to several comorbidities, including cardiovascular disorders [3], particularly hypertension (which occurs in ,50% of patients with OSAS [4]), in addition to metabolic disorders such as Type 2 diabetes mellitus [5], but also cerebrovascular
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Obstructive Sleep Apnoea Syndrome in Infants and Children: Established Facts and Unsettled Issues
1204 7'horax 1995;50:1204-1210 Sleep-related breathing disorders * 6 Thorax: first published as 10.1136/thx.50.11.1204 on 1 November 1995. Downloaded from Series editor: P M A Calverley Obstructive sleep apnoea syndrome in infants and children: established facts and unsettled issues C Gaultier The obstructive sleep apnoea (OSA) syndrome months to six years) estimated the prevalence was first identified in infants and children by ofOSA at 1 -6-3.4%.8 Large scale, well designed Guilleminault et al in 1976.' Since then, a studies assessing the prevalence of an increased great deal has been learned about infancy and upper airway resistive load during sleep in in- childhood obstructive apnoea, although several fants and children are needed. A reasonable areas remain largely unexplored. Since the first priority would be to develop and validate a description of the OSA syndrome during in- questionnaire, use it in the general population fancy and childhood, we have learnt that the to detect high risk individuals, and subject these clinical symptoms of an increased upper airway to polysomnographic recordings. resistive load during sleep are not always as- sociated with complete airways obstruction during sleep.2 Episodes of partial airways ob- Clinical symptoms struction without obstructive apnoea are fre- A careful history of sleep-associated symptoms quently observed in infants and children,3 so is the first step in detecting a sleep-related adult diagnostic criteria for the OSA syndrome increase in upper airway resistive loads in an may not identify infants and children with infant or child. However, more than a year http://thorax.bmj.com/ sleep-related increases in upper airway resistive often elapses between the onset of symptoms loads.34 As recommended by Carroll and and diagnosis.
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Effect of Increased Lung Volume on Sleep Disordered
435 SLEEP DISORDERED BREATHING Thorax: first published as 10.1136/thx.2005.052084 on 20 February 2006. Downloaded from Effect of increased lung volume on sleep disordered breathing in patients with sleep apnoea R C Heinzer, M L Stanchina, A Malhotra, A S Jordan, S R Patel, Y-L Lo, A Wellman, K Schory, L Dover, D P White ............................................................................................................................... Thorax 2006;61:435–439. doi: 10.1136/thx.2005.052084 Background: Previous studies have shown that changes in lung volume influence upper airway size and resistance, particularly in patients with obstructive sleep apnoea (OSA), and that continuous positive airway pressure (CPAP) requirements decrease when the lung volume is increased. We sought to determine the effect of a constant lung volume increase on sleep disordered breathing during non-REM sleep. See end of article for Methods: Twelve subjects with OSA were studied during non-REM sleep in a rigid head-out shell equipped authors’ affiliations with a positive/negative pressure attachment for manipulation of extrathoracic pressure. The increase in ....................... lung volume due to CPAP (at a therapeutic level) was determined with four magnetometer coils placed on Correspondence to: the chest wall and abdomen. CPAP was then stopped and the subjects were studied for 1 hour in three Dr R C Heinzer, Service de conditions (in random order): (1) no treatment (baseline); (2) at ‘‘CPAP lung volume’’, with the increased Pneumologie, Unite´de lung volume being reproduced by negative extrathoracic pressure alone (lung volume 1, LV1); and (3) Me´decine du Sommeil et des troubles respiratoires, 500 ml above the CPAP lung volume(lung volume 2, LV2).
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Snoring: Analysis, Measurement, Clinical Implications and Applications
Eur Respir J, 1996, 9, 146–159 Copyright ERS Journals Ltd 1996 DOI: 10.1183/09031936.96.09010146 European Respiratory Journal Printed in UK - all rights reserved ISSN 0903 - 1936 SERIES 'CHEST PHYSICAL EXAMINATION' Edited by J.C. Yernault Snoring: analysis, measurement, clinical implications and applications F. Dalmasso, R. Prota Snoring: analysis, measurement, clinical implications and applications. F. Dalmasso, Pulmonary Division and Laboratory of Res- R. Prota. © ERS Journals Ltd. 1996. piratory Physiopathology, Mauriziano ABSTRACT: Snoring was described in literature even before medicine. Common "Umberto I" Hospital, Turin, Italy. definitions do not consider acoustic measurements of snoring. In this paper we dis- cuss the main pathophysiological aspects of snoring and the snoring-sleep relation- Correspondence: F. Dalmasso ship as the generating mechanisms. Divisione di Pneumologia Lab. di Fisiopatologia Respiratoria Snoring can be analysed and measured by the following methods: 1) Leq- Ospedale Mauriziano "Umberto I" Equivalent Continuous Sound Level, which only quantifies noisiness, annoyance, Largo Turati 62 and damage to the partner's and snorer's hearing; 2) Power Spectrum, with fre- 10138 Torino quency values, formantic structure data and typical shape, which can help to dis- Italy tinguish simple snoring from heavy snoring with obstructive sleep apnoea syndrome (OSAS); 3) Linear Prediction Code (LPC) method, which can define the cross- Keywords: Acoustics of snoring sectional area (CSA) of the upper airways and which locates sites of obstruction. simulated snoring Simulated snoring analysis with LPC and with simultaneous fluoroscopy permits snoring the definition of CSA and the identification of three snoring patterns: nasal, oral snoring-asthma and oronasal. Snoring is an important sign of sleep-related breathing disorders snoring monitoring (SRBD), of the upper airway resistance syndrome (UARS), and of the OSAS.
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Sleep in Chronic Respiratory Disease: COPD and Hypoventilation Disorders
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