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Comput Methods Programs Biomed 2020 Jun 26;195:105626. Epub 2020 Jun 26.

Department of Biomedical Engineering, Tarbiat Modares University, Tehran, Iran. Electronic address:

Background And Objective: This paper addresses the automated recognition of obstructive sleep apnea (OSA) from the analysis of single-lead ECG signals. This is one of the most important problems that is, critical to the realization of monitoring patients with sleep apnea.

Methods: In the present study, a novel solution based on autoregressive (AR) modeling of the single-lead ECG, and spectral autocorrelation function as an ECG feature extraction method is presented. Read More

J Oral Rehabil 2020 Jul 7. Epub 2020 Jul 7.

Iida Dental Clinic, 1-2-4, Matsue, Soka-chi, Saitama, Japan, 340-0013.

Background: The efficacy of oral appliance (OA) varies greatly in patients with obstructive sleep apnea (OSA).

Objectives: The purpose of this cross-sectional study was to investigate the success rate of OA for OSA patients.

Methods: This study was based on a cross-sectional multicenter survey of OA therapy for the management of OSA called the JAMS (Japanese Cross-sectional Multicenter Survey) Study performed at 10 medical institutions. Read More

J Clin Med 2020 Jul 1;9(7). Epub 2020 Jul 1.

Department of Pulmonology, Multidisciplinary Sleep Unit, La Fe University and Polytechnic Hospital, 46026 Valencia, Spain.

The utility of home respiratory polygraphy (HRP) was assessed as an alternative to polysomnography (PSG) in the diagnosis of childhood obstructive sleep apnea syndrome (OSAS). PSG was indicated only in patients with concomitant disease or where HRP results were questionable. The follow-up period was 1 year. Read More

Sleep Med Rev 2020 May 18;53:101337. Epub 2020 May 18.

Department of Clinical, Internal, Anesthetic and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy.

This systematic review aims to provide a more comprehensive overview of the association between obstructive sleep apnea (OSA) and chronic kidney disease (CKD). A PubMed search was conducted using the terms "(obstructive sleep disorders OR obstructive sleep apnea OR obstructive sleep apnea syndrome) AND (kidney function OR renal outcome OR chronic kidney disease OR end stage renal disease)". Four hundred seventy four articles were initially retrieved, 227 in the last five years. Read More

Am J Respir Crit Care Med 2020 Jul 6. Epub 2020 Jul 6.

Women's and Children's Hospital Adelaide, 6053, Respiratory and sleep Medicine, Adelaide, South Australia, Australia.

Objective: Sleep disordered breathing (SDB) is associated with increased vascular resistance in children and adults. Persistent increased vascular resistance damages vascular endothelial cells-a marker of which is increased platelet activation. This study compared whole blood impedance platelet aggregation in children diagnosed clinically as SDB warranting adenotonsillectomy and healthy controls. Read More

J Pediatr Endocrinol Metab 2020 Jul 4. Epub 2020 Jul 4.

IFB Adiposity Diseases, Leipzig University, Leipzig, Germany.

Background Accumulating evidence suggests a relationship between sleep alterations and overweight/obesity in children. Our aim was to investigate the association of sleep measures other than obstructive sleep apnea or sleep duration with overweight/obesity and metabolic function in children. Methods We conducted a prospective cohort study in school- aged children (aged 5 to 8 years, prepubertal, and 12 to 15 years, pubertal) with overweight/obesity and normal-weight children. Read More

J Child Psychol Psychiatry 2020 Jul 4. Epub 2020 Jul 4.

Department of Psychology, Montana State University, Bozeman, MT, USA.

Background: An abundance of cross-sectional research links inadequate sleep with poor emotional health, but experimental studies in children are rare. Further, the impact of sleep loss is not uniform across individuals and pre-existing anxiety might potentiate the effects of poor sleep on children's emotional functioning.

Methods: A sample of 53 children (7-11 years, M = 9. Read More

J Clin Sleep Med 2020 Jul 6. Epub 2020 Jul 6.

Department of Medicine, Baystate Medical Center, University of Massachusetts Medical School -Baystate, Springfield, Massachusetts.

Study Objectives: To describe sex, age and body mass index (BMI) differences in comorbidities and polysomnography (PSG) measures, categorized using three different apnea-hypopnea index (AHI) criterion, in sleep clinic patients with mild obstructive sleep-disordered breathing (SDB).

Methods: A retrospective cohort of 305 (64% female) adult sleep clinic patients who underwent full night in-laboratory polysomnography diagnosed with mild SDB and prescribed positive airway pressure (PAP). Effects of sex, age and BMI on comorbidities and PSG measures including rates of AHI defined by ≥3% desaturations (AHI), with arousals (AHI), by ≥4% desaturations (AHI) and by respiratory disturbance index (RDI) were evaluated. Read More

Sleep 2020 Jul 3. Epub 2020 Jul 3.

Centre for Sleep and Cognition, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.

Study Objectives: We compared the basic cognitive functions of adolescents undergoing split (nocturnal sleep + daytime nap) and continuous nocturnal sleep schedules when total sleep opportunity was either below or within the recommended range (i.e. 6. Read More

J Clin Sleep Med 2020 Jun 29. Epub 2020 Jun 29.

Department of Medicine, Baystate Medical Center, University of Massachusetts Medical School -Baystate, Springfield, Massachusetts.

Study Objectives: To describe sex, age and body mass index (BMI) differences in comorbidities and polysomnography (PSG) measures, categorized using three different apnea-hypopnea index (AHI) criterion, in sleep clinic patients with mild obstructive sleep-disordered breathing (SDB).

Methods: A retrospective cohort of 305 (64% female) adult sleep clinic patients who underwent full night in-laboratory polysomnography diagnosed with mild SDB and prescribed positive airway pressure (PAP). Effects of sex, age and BMI on comorbidities and PSG measures including rates of AHI defined by ≥3% desaturations (AHI), with arousals (AHI), by ≥4% desaturations (AHI) and by respiratory disturbance index (RDI) were evaluated. Read More

Sleep Med 2020 Apr 4;72:130-134. Epub 2020 Apr 4.

University of Oklahoma Health Sciences Center, Lynn Health Science Institute, Oklahoma City, OK, USA. Electronic address:

Study Objectives: Insomnia is a common medical complaint. Current pharmacologic treatments have modest efficacy and numerous side effects. Baclofen is a gamma-aminobutyric acid (GABA)b receptor agonist used to treat spasticity in various medical conditions. Read More

Sleep Med 2020 Apr 9;72:118-121. Epub 2020 Apr 9.

Department of Paediatric Respiratory Medicine, Royal Brompton Hospital, London, UK.

Introduction: Paediatric obstructive sleep apnoea is associated with systemic inflammation and co-morbidities. We assessed whether sleep disordered breathing (SDB) due to neuromuscular weakness was associated with elevated airway and systemic pro-inflammatory cytokines.

Methods: Consecutive neuromuscular children (age 5-18years) underwent overnight full polysomnography and morning collection of serum and breath condensate, analysed for cytokines (Interleukin-10, Interleukin-6, Interleukin-1β, Tumour Necrosis Factorα, high-sensitivity C-Reactive Protein, Intercellular and Vascular Adhesion Molecules ICAM-1, VCAM-1). Read More

Eurasian J Med 2020 Jun 4;52(2):176-179. Epub 2020 Jun 4.

Department of Otorhinolaryngology, Ataturk University School of Medicine, Erzurum, Turkey.

Objective: Obstructive sleep apnea syndrome (OSAS) is a respiratory syndrome that manifests during sleep. For the auditory system to be able to function normally, the inner ear and cochlear nerve require healthy oxygen support. The purpose of this study was to assess the hearing function of patients with OSAS and to reveal the relationship between polysomnographic parameters and hearing test results. Read More

Metab Syndr Relat Disord 2020 Jun 29. Epub 2020 Jun 29.

Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, China.

Obstructive sleep apnea (OSA) is a serious threat to individual health. Diagnosis of OSA is mainly polysomnography (PSG). However, PSG monitoring is costly and time-consuming. Read More

ESC Heart Fail 2020 Jun 30. Epub 2020 Jun 30.

Sleep Research Laboratory of the Toronto Rehabilitation Institute, University of Toronto, Toronto, Ontario, Canada.

Aims: Patients with sleep apnoea (SA) and heart failure (HF) are less sleepy than SA patients without HF. HF and SA both increase sympathetic nervous system activity (SNA). SNA can augment alertness. Read More

Trials 2020 Jun 30;21(1):595. Epub 2020 Jun 30.

Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, China.

Background: Pediatric obstructive sleep apnea/hypopnea syndrome (OSAHS) is a multifactorial syndrome caused by many risk factors, such as craniofacial anomalies, adenotonsillar hypertrophy, obesity, and airway inflammation. Although new treatment patterns have recently been proposed, treatment methods for children remain particularly challenging and controversial. This randomized controlled trial was designed to investigate the efficacy of adenotonsillectomy and/or orthodontic treatment for children who have mild OSAHS with mandibular retrognathia. Read More

Saudi Med J 2020 Jul;41(7):740-745

Department of Chest Diseases, Faculty of Medicine, Çanakkale Onsekiz Mart University, Çanakkale, Turkey. E-mail.

Objectives: To determine the prevalence of obstructive sleep apnea in female patients with fibromyalgia (FM)presenting to physical therapy outpatient clinics.

Methods: The 36-item short form health survey (SF-36) questionnaire, Berlin test, and epworth sleepiness scale were administered, along with a polysomnography to 38 female patients. This cross-sectional study comprised diagnosed with FM according to the diagnostic criteria of the American College of Rheumatology, between March 2017 and August 2019, at the Faculty of Medicine Hospital, Çanakkale Onsekiz Mart University, Çanakkale, Turkey. Read More

J Meas Phys Behav 2020 Jun;3(2):170-185

Department of Health Behavior, Gillings School of Global Public Health, University of North Carolina - Chapel Hill, Chapel Hill, North Carolina, United States.

Purpose: A systematic review to summarize the validity and reliability of steps, distance, energy expenditure, speed, elevation, heart rate, and sleep assessed by Garmin activity trackers.

Methods: Searches included studies published through December 31, 2018. Correlation coefficients (CC) were assessed as low (<0. Read More

Otolaryngol Head Neck Surg 2020 Jun 30:194599820933206. Epub 2020 Jun 30.

Sleep Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.

Objectives: To use computer-assisted quantitative measurements of upper airway changes during drug-induced sleep endoscopy (DISE) and to correlate these parameters with disease severities and physiologic changes in patients with obstructive sleep apnea/hypopnea syndrome (OSA).

Design: A retrospective study.

Setting: Tertiary academic medical center. Read More

Ter Arkh 2019 Oct 15;91(10):48-53. Epub 2019 Oct 15.

Scientific Centre for Family Health and Human Reproduction Problems.

Aim: to assess lipid profile, lipid peroxidation and antioxidant system parameters in peri - and postmenopausal women with obstructive sleep apnea syndrome (OSAS).

Materials And Methods: 37 perimenopausal women and 43 postmenopausal ones were examined. OSAS diagnosis was made on the basis of the clinical picture and the polysomnography results. Read More

J Dent Sci 2020 Jun 9;15(2):193-199. Epub 2019 Nov 9.

Department of Pediatric Dentistry, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.

Background/purpose: Pediatric obstructive sleep apnea (OSA) might be a serious cause of neurocognitive deficits, behavioral changes, and craniofacial disharmony in children at very young age with mild type of OSA. This study aims to examine the effect of mild OSA on craniofacial morphology as well as dental arch morphology and characteristics in preschool children.

Materials And Methods: The test group comprised 16 preschool children (11 boys, 5 girls; mean age: 5. Read More

Psychiatry Res 2020 Jun 22;291:113248. Epub 2020 Jun 22.

Department of Psychiatry, The second Affiliated Hospital of Kunming Medical University, DianMian Road 374, Kunming Yunnan 650101, China. Electronic address:

There are few studies that explore the relationship of neuroendocrine hormones of the HPA, HPT and HPG axes with major depressive disorder (MDD) with comorbid obstructive sleep apnea (OSA). The aim of this study is to examine neuroendocrine abnormalities and the relationship in untreated first episode patients of MDD comorbided with OSA. Polysomnography, neuroendocrine hormones were determined for 111 patients. Read More

Sleep Breath 2020 Jun 27. Epub 2020 Jun 27.

Department of Respiratory and Critical Care Medicine, Beijing Chaoyang Hospital, Capital Medical University, No. 8 Gongti South Road, Chaoyang District, Beijing, 100020, China.

Purpose: The current study was conducted to explore the clinical features and risk factors of patients with asthma complicated by obstructive sleep apnea-hypopnea syndrome (OSAHS).

Methods: Patients with asthma who underwent polysomnography in our hospital from August 2017 to December 2019 were enrolled in the study. Data on demographics, pulmonary function testing, polysomnography, blood gases, mean pulmonary artery pressure, and vascular endothelial growth factor (VEGF) were compared between the two groups. Read More

Sci Rep 2020 Jun 26;10(1):10492. Epub 2020 Jun 26.

Institute of Cognitive Neuroscience and Psychology, Research Centre for Natural Sciences, Budapest, Hungary.

Dogs have outstanding capabilities to read human emotional expressions, both vocal and facial. It has also been shown that positively versus negatively valenced dog-human social interactions substantially affect dogs' subsequent sleep. In the present study, we manipulated dogs' (N = 15, in a within subject design) sleep structure by specifically disrupting REM versus Non-REM sleep, while maintaining equal sleep efficiency (monitored via non-invasive polysomnography). Read More

J Am Soc Nephrol 2020 Jun 26. Epub 2020 Jun 26.

Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, Minnesota.

Background: Obstructive sleep apnea may be associated with development of CKD through hypoxia, inflammation, and oxidative stress. Individuals with this sleep disorder are also at increased risk for established CKD risk factors, including obesity, hypertension, and type 2 diabetes.

Methods: We examined the association between obstructive sleep apnea, other sleep characteristics, and risk of incident CKD (stage 3 or higher) in 1525 participants (mean age, 62. Read More

Medicine (Baltimore) 2020 Jun;99(26):e21003

Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine.

Rationale: Rapid eye movement sleep behavior disorder (RBD) is a kind of sleep disturbance characterized by a loss of normal paralysis of REM sleep with dream enactment behavior during REM sleep. The pharmacotherapy options for treating RBD are limited and the use of antidepressants remains controversial. Further, the role of vortioxetine in RBD has not been evaluated so far. Read More

Chronobiol Int 2020 Jun 26:1-12. Epub 2020 Jun 26.

Yale School of Nursing , West Haven, Connecticut, USA.

Sleep disturbance and decreased daytime activity are well-described among people with chronic heart failure (HF) who suffer from disabling daytime symptoms and poor function. Alterations in the circadian rhythmicity of rest-activity may also be associated with these outcomes. However, little is known about the associations between rest-activity rhythms (RARS), symptoms, and functional performance or the extent to which they are explained by sleep characteristics among people with HF. Read More

Neurol Sci 2020 Jun 26. Epub 2020 Jun 26.

Department of Human Neurosciencies, Sapienza University of Rome, Rome, Italy.

Objective: During the Covid-19 pandemic, government restrictions limited health care to urgent needs. Neurophysiology centers had to suddenly reschedule their activities, with a lack of specific recommendations about electroencephalography (EEG) execution. During the pandemic phase 1, we launched an online survey to understand the flaws and strengths of the EEG management in Italy at the time of Covid-19 pandemic. Read More

Int J Chron Obstruct Pulmon Dis 2020 29;15:1207-1216. Epub 2020 May 29.

Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China.

Purpose: The co-existence of chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea (OSA) has been described as the overlap syndrome. The objective of the study is to investigate the performance of Berlin Questionnaire (BQ), modified Berlin Questionnaire (MBQ), and STOP-Bang score in screening overlap syndrome from COPD subjects and investigate how pulmonary function interferes with questionnaire scoring.

Subjects And Methods: Among 116 COPD subjects included in this study, 62 were overlap syndrome subjects and 54 were COPD subjects without OSA. Read More

Physiol Meas 2020 Jun 24. Epub 2020 Jun 24.

Interdisciplinary Center of Sleep Medizin, Charité Universitätsmedizin Berlin, Luisenstraße 13, Berlin, 10117, GERMANY.

Objective: The Oxford Sleep Resistance Test (OSLER) consists of four tests over 40 minutes conducted in a dark and quiet room. If a dim light flashes the patient has to briefly depress a button and then press it again immediately which indicates that the patient resists sleep. The Multiple Wakefullness test (MWT) is another test to assess the ability to maintain wakefulness. Read More

Elife 2020 Jun 24;9. Epub 2020 Jun 24.

Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.

Precise temporal coordination of slow oscillations (SO) and sleep spindles is a fundamental mechanism of sleep-dependent memory consolidation. SO and spindle morphology changes considerably throughout development. Critically, it remains unknown how the precise temporal coordination of these two sleep oscillations develops during brain maturation and whether their synchronization indexes the development of memory networks. Read More

J Sleep Res 2020 Jun 23:e13131. Epub 2020 Jun 23.

Department of Otolaryngology-Head and Neck Surgery, Cardinal Tien Hospital, New Taipei City, Taiwan.

Tongue deformation during whole-night natural sleep in adult patients with obstructive sleep apnea has not been well evaluated. Through simultaneous ultrasonography and polysomnography during whole-night sleep, we examined the prevalence and patterns of tongue depth changes and their relationship with the severity of obstructive sleep apnea. Sixty consecutive eligible adults presenting with symptoms suggesting obstructive sleep apnea were enrolled. Read More

Pediatr Cardiol 2020 Jun 23. Epub 2020 Jun 23.

Department of Pediatrics, Section of Cardiology, University of Colorado School of Medicine, Aurora, CO, USA.

Sleep-disordered breathing (SDB) is described in patients with acquired heart failure but its prevalence in adults with congenital heart disease is not well documented. It is likely that single-ventricle patients who have undergone Fontan palliation poorly tolerate the additional stress of SDB on their fragile cardiac physiology. This study sought to determine the prevalence of SDB in a population of adult Fontan patients. Read More

ERJ Open Res 2020 Apr 15;6(2). Epub 2020 Jun 15.

Sleep-Wake-Epilepsy Center, Dept of Neurology, Inselspital, Bern University Hospital and University of Bern, Bern, Switzerland.

Sleep-disordered breathing (SDB) is frequent in patients with acute stroke. Little is known, however about the evolution of SDB after stroke. Most of our knowledge stems from smaller cohort studies applying limited cardiopulmonary sleep recordings or from cross-sectional data collected in different populations. Read More

Neurology 2020 Jun 23. Epub 2020 Jun 23.

Clinical and experimental Neuroimmunology, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS)

Objective: To describe the sleep disorders in anti-NMDA receptor encephalitis (anti-NMDARe).

Methods: Patients recovering from anti-NMDARe were invited to participate in a prospective observational single center study including comprehensive clinical, video-polysomnography (V-PSG) sleep assessment and neuropsychological evaluation. Age and sex-matched healthy participants served as controls. Read More

Sleep 2020 Jun 23. Epub 2020 Jun 23.

Department of Neurology, Medical University Innsbruck, Innsbruck, Austria.

Study Objectives: The differentiation of isolated rapid eye movement (REM) sleep behavior disorder (iRBD) or its prodromal phase (prodromal RBD) from other disorders with motor activity during sleep is critical for identifying α-synucleinopathy in an early stage. Currently, definite RBD diagnosis requires video polysomnography (vPSG). The aim of this study was to evaluate automated 3D video analysis of leg movements during REM sleep as objective diagnostic tool for iRBD. Read More

Sleep Breath 2020 Jun 22. Epub 2020 Jun 22.

Department of Respiratory Medicine, Affiliated Hospital of Xuzhou Medical University, 99 Huaihai Road, Xuzhou, 221000, China.

Purpose: Obstructive sleep apnea-hypopnea syndrome (OSAHS) may cause pulmonary diseases, and periostin plays an important role on the development of pulmonary diseases. In addition, periostin and pro-inflammatory cytokine TNF-α can regulate each other in vivo. This study aimed to observe the changes of serum periostin and TNF-α levels in patients with OSAHS compared with healthy volunteers and to investigate their correlation. Read More

Respir Res 2020 Jun 22;21(1):156. Epub 2020 Jun 22.

Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai, China.

Background: Clinical questionnaires are mainly applied as screening tools for identification of the Obstructive sleep apnea (OSA) patients. Little attention has been paid to assess the body functions and health status of the patients. International Classification of Functioning, Disability and Health (ICF) was designed for better understanding and describing functioning and disability of patients. Read More

Heart Rhythm 2020 Jun 19. Epub 2020 Jun 19.

Indiana University Health Physicians, Indianapolis, IN, USA; Section of Pulmonary Critical Care, Sleep and Occupational Medicine, Indiana University School of Medicine, Indianapolis, IN, USA. Electronic address:

Background: Obstructive sleep apnea (OSA) is associated with increased cardiac arrhythmia and sudden cardiac death. We recently developed a new method (neuECG) to non-invasively measure electrocardiogram and skin sympathetic nerve activity (SKNA).

Objectives: To test the hypothesis that the SKNA measured during sleep study is higher in patients with OSA than without OSA. Read More

JAMA Netw Open 2020 Jun 1;3(6):e207940. Epub 2020 Jun 1.

Sleep Disorders Center, Department of Respiratory Medicine, University Hospital of Zurich, Zurich, Switzerland.

Importance: There are no established measures to prevent nocturnal breathing disturbances and other altitude-related adverse health effects (ARAHEs) among lowlanders with chronic obstructive pulmonary disease (COPD) traveling to high altitude.

Objective: To evaluate whether nocturnal oxygen therapy (NOT) prevents nocturnal hypoxemia and breathing disturbances during the first night of a stay at 2048 m and reduces the incidence of ARAHEs.

Design, Setting, And Participants: This randomized, placebo-controlled crossover trial was performed from January to October 2014 with 32 patients with COPD living below 800 m with forced expiratory volume in the first second of expiration (FEV1) between 30% and 80% predicted, pulse oximetry of at least 92%, not requiring oxygen therapy, and without history of sleep apnea. Read More

Chest 2020 Jun 18. Epub 2020 Jun 18.

Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD.

Background: Sleep-disordered breathing (SDB) is independently associated with insulin resistance, glucose intolerance, and type 2 diabetes mellitus. However, the data on whether SDB alters metabolism of free fatty acids (FFA) are lacking.

Research Question: The primary objective of the current study was to characterize alterations in FFA metabolism across the spectrum of SDB severity. Read More

Am J Otolaryngol 2020 Jun 1;41(5):102589. Epub 2020 Jun 1.

Department of ENT, Azienda USL Toscana Sud Est, Ospedale Misericordia, Grosseto, Italy.

Purpose: Snoring is a very common disorder, but, at present, there is no universally accepted classification for the condition. The main aim of this paper is to introduce a home sleep monitoring-based classification of common snoring patterns in simple snorers and in patients with obstructive sleep apnea-hypopnea syndrome (OSAHS).

Materials And Methods: In total, 561 consecutive patients with a history of snoring, either simple or associated with apnea, were enrolled in this home sleep monitoring study. Read More

Sleep Breath 2020 Jun 19. Epub 2020 Jun 19.

Department of Endocrinology and Metabolism, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan.

Purpose: Sleep-disordered breathing (SDB) is associated with hypertension, poor glycemic control and dyslipidemia. Usually, apnoea events tend to be more prominent during rapid eye movement (REM) sleep than non-REM (NREM) sleep. We examined which SDB parameters are associated with blood pressure (BP), HbA1c and lipid profile in patients with type 2 diabetes (T2D). Read More

Physiol Meas 2020 Jun 19. Epub 2020 Jun 19.

Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Xi'an Jiaotong University Second Affiliated Hospital, Xi'an, Shaanxi, CHINA.

Objective: Polysomnography is typically used to evaluate the severity of obstructive sleep apnea (OSA) but inconvenience of application and high cost considerably affect the diagnostics. In this study, sleeping sound signals are used to detect OSA in patients.

Approach: A deep feature transfer-based OSA detection approach is proposed. Read More

J Sleep Res 2020 Jun 18:e13109. Epub 2020 Jun 18.

Department of Neurology, University Hospital Zurich, University of Zurich, Zurich, Switzerland.

Insufficient sleep syndrome (ISS) is prevalent, but poorly studied. This descriptive study was performed to determine its diagnostic challenges and clinical characteristics in a large (n = 3,461) retrospective sample from a single sleep laboratory. Based on actigraphy, polysomnography and multiple sleep latency tests, we diagnosed "suspected insufficient sleep syndrome" in patients with chronic sleepiness, short time in bed, longer sleep duration during weekends or vacation, and without evidence of other causes of sleepiness. Read More

Intern Emerg Med 2020 Jun 15. Epub 2020 Jun 15.

Cardiovascular Department, ASST Papa Giovanni XXIII, Piazza OMS 1, Bergamo, Italy.

Sleep disordered breathing (SDB) and neurocognitive impairment (NI) are a typical feature of HF (heart failure), especially with preserved ejection fraction (HFpEF). So far, very few data exist regarding changes in the severity of SDB, the degree of NI, and the diastolic function in acute HF (AHF) patients and during follow up. In a population of 24 AHF patients (12 with reduced ejection fraction-HFrEF- and 12 HFpEF) with SDB a complete echocardiogram, a set of NI tests, and a polysomnography were performed in the acute phase and after 90 days. Read More

Sleep 2020 Jun 17. Epub 2020 Jun 17.

Department of Electrical and Computer Engineering, College of Engineering, University of Arizona, Tucson, AZ.

Study Objective: The frequency of cortical arousals is an indicator of sleep quality. Additionally, cortical arousals are used to identify hypopneic events. However, it is inconvenient to record electroencephalogram (EEG) data during home sleep testing. Read More

Eur Respir J 2020 Jun 18. Epub 2020 Jun 18.

Unitat Trastorns Cognitius, Clinical Neuroscience Research, IRBLleida-Hospital Universitari Santa Maria Lleida (Spain)

Background: We evaluated the influence of untreated obstructive sleep apnoea (OSA) on the magnitude of cognitive decline and on several cognitive subdomains in patients with mild to moderate Alzheimer's Disease (AD).

Methods: In this single-centre study, 144 patients were recruited prospectively from a cognitive impairment unit and underwent overnight polysomnography.

Results: The mean (sd) change in the Alzheimer's Disease Assessment Scale cognitive subscale (ADAS-cog) score at 12 months was 3. Read More

Sleep Med Rev 2020 May 20;53:101335. Epub 2020 May 20.

University Institute of Molecular Pathology Biomarkers, UNEx, ARADyAL Instituto de Salud Carlos III, Cáceres, Spain.

Sleep disorders are very common in patients diagnosed with Tourette syndrome (TS). The present review focuses on sleep disorders and the results of polysomnographic studies performed in patients with TS. We made a search using the PubMed, Embase, MedLine, and Web of Science Databases, from 1966 until November 14, 2019, crossing the search term "Tourette syndrome" with "sleep", "sleep disorders", "sleep disturbances", and "polysomnography", and with each of the specific sleep disorders listed according to the International Classification of the Sleep Disorders-Third Edition. Read More

Sleep Med 2020 Mar 14;72:59-64. Epub 2020 Mar 14.

Service d'épileptologie clinique, des troubles du sommeil et de neurologie fonctionnelle de l'enfant, Hôpital Femme Mère Enfants, Hospices Civils de Lyon, Bron, France; INSERM, U1028, CNRS, UMR5292, Centre de Recherche en Neurosciences de Lyon, Lyon, France.

Objective/background: Currently, obstructive sleep apnea syndrome (OSAS) management in Robin sequence (RS) infants has not been standardized. Sleep laboratory polysomnography (PSG) is the gold standard for OSAS diagnosis, however, access is restricted. This study aimed to compare the respiratory indexes measured in a sleep laboratory using PSG as well as a possible alternative, polygraphy (PG). Read More