980 results match your criteria Obstructive Sleep Apnea Home Sleep Monitoring


Home Respiratory Polygraphy is Useful in the Diagnosis of Childhood Obstructive Sleep Apnea Syndrome.

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

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http://dx.doi.org/10.3390/jcm9072067DOI Listing

Upper airway collapsibility in patients with OSA treated with continuous positive airway pressure: a retrospective preliminary study.

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

Unit of Orthodontics, Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, Bologna, Italy.

Study Objectives.: To investigate the prevalence of mildly collapsible upper airways (defined by therapeutic continuous positive airway pressure (CPAP) values ≤8 cm H₂O) in moderate to severe obstructive sleep apnea (OSA) patients treated with CPAP and to determine their clinical, functional and nocturnal polysomnographic characteristics.

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http://dx.doi.org/10.5664/jcsm.8674DOI Listing

Obstructive Sleep Apnea, Other Sleep Characteristics, and Risk of CKD in the Atherosclerosis Risk in Communities Sleep Heart Health Study.

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

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http://dx.doi.org/10.1681/ASN.2020010024DOI Listing

The impact of continuous positive airway pressure on cardiac arrhythmias in patients with sleep apnea.

J Res Med Sci 2020 13;25:42. Epub 2020 Apr 13.

Department of Pulmonology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, România.

Background: Obstructive sleep apnea (OSA) can lead to cardiac complications: brady and tachyarrhythmias and sudden cardiac death. Continuous positive airway pressure (CPAP) is the gold standard for the treatment of OSA. The present study aims to demonstrate the efficiency of CPAP in the treatment of cardiac arrhythmias in patients with OSA. Read More

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http://dx.doi.org/10.4103/jrms.JRMS_677_18DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7306230PMC

Snoring patterns during home polysomnography. A proposal for a new classification.

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

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http://dx.doi.org/10.1016/j.amjoto.2020.102589DOI Listing

A novel deep feature transfer-based OSA detection method using sleeping sound signals.

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

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http://dx.doi.org/10.1088/1361-6579/ab9e7bDOI Listing

Performance of peripheral arterial tonometry based testing for the diagnosis of obstructive sleep apnea in a large sleep clinic cohort.

J Clin Sleep Med 2020 Jun 9. Epub 2020 Jun 9.

Emory University School of Medicine, Atlanta, Georgia.

Study Objectives: Peripheral arterial tonometry (PAT) based technology represents a validated portable monitoring modality for diagnosis of obstructive sleep apnea (OSA). We assessed the diagnostic accuracy of PAT-based technology in a large point-of-care cohort of patients studied with concurrent polysomnography (PSG).

Methods: During study enrollment, all participants suspected to have OSA and tested by in-laboratory PSG underwent concurrent PAT device recordings. Read More

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http://dx.doi.org/10.5664/jcsm.8620DOI Listing

Impact of Alcohol Consumption on Snoring and Sleep Apnea: A Systematic Review and Meta-analysis.

Otolaryngol Head Neck Surg 2020 Jun 9:194599820931087. Epub 2020 Jun 9.

Tripler Army Medical Center, Tripler AMC, Hawaii, USA.

Objective: To systematically review the international literature for studies evaluating the effect of alcohol consumption on the occurrence and severity of snoring and obstructive sleep apnea and to use the available data to perform a meta-analysis.

Data Sources: MEDLINE, Embase, The Cochrane Library, CINAHL/EBASCO, and Scopus.

Review Methods: The protocol was registered in PROSPERO in March 2018. Read More

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http://dx.doi.org/10.1177/0194599820931087DOI Listing

Predicting CPAP failure in patients with suspected sleep hypoventilation identified on ambulatory testing.

J Clin Sleep Med 2020 Jun 5. Epub 2020 Jun 5.

Sleep Centre, Foothills Medical Centre, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.

Study Objectives: Home sleep apnea testing (HSAT) is commonly used to diagnose obstructive sleep apnea (OSA), but its role in identifying patients with suspected hypoventilation or predicting their response to continuous positive airway pressure (CPAP) therapy has not been assessed. The primary objective was to determine if HSAT, combined with clinical variables, could predict the failure of CPAP to correct nocturnal hypoxemia during polysomnography (PSG) in a population with suspected hypoventilation. Secondary objectives were to determine if HSAT and clinical parameters could predict awake or sleep hypoventilation. Read More

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http://dx.doi.org/10.5664/jcsm.8616DOI Listing

Association of Obstructive Sleep Apnea with Nighttime Blood Pressure in African Americans: the Jackson Heart Study.

Am J Hypertens 2020 Jun 3. Epub 2020 Jun 3.

Brigham and Women's Hospital, Boston, MA.

Background: Obstructive sleep apnea (OSA), nocturnal hypertension, and non-dipping systolic blood pressure (BP) are each highly prevalent among African Americans. However, few data are available on the association between OSA and nighttime BP in this population.

Methods: We examined the association of OSA with nighttime BP among African Americans who completed 24-hour ambulatory BP monitoring at Exam 1 (2000-2004) of the Jackson Heart Study (JHS) and subsequently participated in the JHS Sleep Study (2012-2016). Read More

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http://dx.doi.org/10.1093/ajh/hpaa088DOI Listing

Obstructive sleep apnea in professional rugby league athletes: An exploratory study.

J Sci Med Sport 2020 Apr 18. Epub 2020 Apr 18.

School of Human Movement and Nutrition Sciences, University of Queensland, Australia; School of Exercise and Nutrition Sciences, Queensland University of Technology, Australia. Electronic address:

Objectives: To explore the prevalence of obstructive sleep apnea (OSA) within a professional rugby league team and determine associations of OSA with ethnicity, positional group, and physical characteristics.

Design: Observational prospective cohort study.

Methods: Twenty-two professional rugby league athletes underwent one night of home-based polysomnography with apnea-hypopnea index (AHI), rapid eye movement (REM), non-REM and supine determined to indicate OSA. Read More

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http://dx.doi.org/10.1016/j.jsams.2020.04.014DOI Listing

The effect of in-lab polysomnography and home sleep polygraphy on sleep position.

Sleep Breath 2020 May 16. Epub 2020 May 16.

Division of Otolaryngology - Head and Neck Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.

Purpose: Little is known regarding the influence of in-laboratory polysomnography (PSG) equipment on sleep position, especially on the prevalence of supine positioning, which in many cases may lead to a more severe sleep apnea diagnosis. The aim of this study was to assess the percentage of supine sleep during an in-laboratory PSG compared to that seen during a home sleep apnea test (HSAT).

Methods: This was a retrospective cohort study comparing in-laboratory PSG and HSAT using a peripheral arterial tone (PAT) technology device. Read More

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http://dx.doi.org/10.1007/s11325-020-02099-wDOI Listing

The severity of sleep hypoventilation in stable chronic obstructive pulmonary disease.

Sleep Breath 2020 May 13. Epub 2020 May 13.

LHL-sykehuset, Ragnar Strømsv. 10, 2067, Jessheim, Norway.

Purpose: An increase in PaCO is the element that defines sleep hypoventilation (SH). We queried if patients with SH, and those with PaCO increases during sleep for shorter time periods than SH (shamSH) differed from the patients without SH (noSH) in other ways.

Methods: This was a retrospective re-analysis of data from 100 stable inpatients with COPD with and without chronic hypercapnic respiratory failure. Read More

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http://dx.doi.org/10.1007/s11325-020-02097-yDOI Listing

Obstructive sleep apnea is not an independent determinant of testosterone in men.

Eur J Endocrinol 2020 Jul;183(1):31-39

Department of Endocrinology and Metabolism, Royal Adelaide Hospital, Adelaide, South Australia, Australia.

Objective: Obstructive sleep apnea (OSA) is generally considered to lower serum testosterone concentration in men, although data supporting this as a direct effect are limited. The aim of this study was to determine the relationship between the presence and severity of OSA and testosterone in a community-based cohort of men aged over 40 years.

Design And Methods: Anthropometry, polysomnography and biomedical information were collected from enrolled, consenting men from the prospective, longitudinal MAILES study cohort. Read More

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http://dx.doi.org/10.1530/EJE-19-0978DOI Listing

Sleep Studies Interpretation and Application.

Otolaryngol Clin North Am 2020 Jun 23;53(3):367-383. Epub 2020 Apr 23.

Department of Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, Box 1232, New York, NY 10029, USA.

Obstructive sleep apnea is a common, but under-recognized, condition. Polysomnography remains the gold standard for diagnosing obstructive sleep apnea and determining whether treatment is appropriate. The development of home sleep apnea testing has allowed for a faster and more convenient method of diagnosis. Read More

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http://dx.doi.org/10.1016/j.otc.2020.02.012DOI Listing

Pilot cohort study of obstructive sleep apnoea in community-dwelling people with schizophrenia.

Ir J Psychol Med 2020 Apr 24:1-7. Epub 2020 Apr 24.

Adelaide Medical School, Adelaide University, 4 North Terrace, Adelaide, South Australia, Australia.

Objectives: We aimed to assess the incidence of obstructive sleep apnoea (OSA) in people with schizophrenia, to explore clinical associates with OSA and how well OSA screening tools perform in this population.

Methods: All patients registered in a community outpatient Clozapine clinic, between January 2014 and March 2016, were consecutively approached to participate. Participants were screened for OSA using at home multichannel polysomnography (PSG) and were diagnosed with OSA if the apnoea-hypopnoea index (AHI) was >10 events/hr. Read More

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http://dx.doi.org/10.1017/ipm.2020.11DOI Listing

Primary care and sleep unit agreement in management decisions for sleep apnea: a prospective study in Spain.

J Clin Sleep Med 2020 Apr 13. Epub 2020 Apr 13.

Sleep Unit, Department of Respiratory Diseases, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain.

Study Objectives: Involvement of primary care teams in the care of patients with obstructive sleep apnea (OSA) is a focus of interest. The study objective was to compare diagnostic and therapeutic agreement between decisions taken by primary care professionals and sleep unit specialists.

Methods: Prospective multicenter study, setting at primary care and specialized care in the urban area of Barcelona, Spain. Read More

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http://dx.doi.org/10.5664/jcsm.8492DOI Listing

Control of 24-hour blood pressure with SGLT2 inhibitors to prevent cardiovascular disease.

Prog Cardiovasc Dis 2020 Apr 8. Epub 2020 Apr 8.

Saint Luke's Mid America Heart Institute, Kansas City, MO, USA.

The presence of hypertension (HTN) in patients with diabetes mellitus (DM) further worsens cardiovascular disease (CVD) prognosis. In addition, masked HTN and abnormal circadian blood pressure (BP) variability are common among patients with DM. Clinical trial data show that sodium-glucose cotransporter 2 inhibitors (SGLT2i) improve CVD prognosis and prevent progression of renal dysfunction in high-risk patients with type 2 DM (T2DM). Read More

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http://dx.doi.org/10.1016/j.pcad.2020.04.003DOI Listing

Single-channel oximetry monitor versus in-lab polysomnography oximetry analysis: does it make a difference?

Physiol Meas 2020 05 12;41(4):044007. Epub 2020 May 12.

Faculty of Biomedical Engineering, Technion, Israel Institute of Technology, Haifa, Israel.

Objective: Portable oximetry has been shown to be a promising candidate for large-scale obstructive sleep apnea screening. In polysomnography (PSG), the gold standard OSA diagnosis test, the oxygen desaturation index (ODI) is usually computed from desaturation events occurring during sleep periods only, i.e. Read More

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http://dx.doi.org/10.1088/1361-6579/ab8856DOI Listing

Predictive ability and reliability of the STOP-BANG questionnaire in screening for obstructive sleep apnea in midlife women.

Maturitas 2020 May 11;135:1-5. Epub 2020 Feb 11.

Division of General Internal Medicine, Mayo Clinic, Rochester, MN, United States; Division of Endocrinology, Metabolism and Nutrition, Mayo Clinic, Rochester, MN, United States. Electronic address:

Objectives: The STOP-BANG questionnaire (snoring, tiredness, observed apneas, high blood pressure, body mass index, age, neck size, gender) was originally validated to screen for obstructive sleep apnea (OSA) in the surgical population. It has been validated in mixed populations of men and women. We aimed to evaluate its reliability for OSA screening of midlife women. Read More

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http://dx.doi.org/10.1016/j.maturitas.2020.02.004DOI Listing

Sleep apnea diagnosis in children using software-generated apnea-hypopnea index (AHI) derived from data recorded with a single photoplethysmogram sensor (PPG) : Results from the Childhood Adenotonsillectomy Study (CHAT) based on cardiopulmonary coupling analysis.

Sleep Breath 2020 Mar 28. Epub 2020 Mar 28.

MyCardio LLC, SleepImage®, 3513 Brighton Blvd, Denver, CO, 80216, USA.

Objective: Sleep quality is vital for healthy development in children. Sleep disorders are prevalent and negatively affect sleep quality. Early identification and appropriate intervention can improve children's health and quality of life. Read More

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http://dx.doi.org/10.1007/s11325-020-02049-6DOI Listing

A machine learning-based test for adult sleep apnoea screening at home using oximetry and airflow.

Sci Rep 2020 Mar 24;10(1):5332. Epub 2020 Mar 24.

Pneumology Department, Río Hortega University Hospital, Valladolid, Spain.

The most appropriate physiological signals to develop simplified as well as accurate screening tests for obstructive sleep apnoea (OSA) remain unknown. This study aimed at assessing whether joint analysis of at-home oximetry and airflow recordings by means of machine-learning algorithms leads to a significant diagnostic performance increase compared to single-channel approaches. Consecutive patients showing moderate-to-high clinical suspicion of OSA were involved. Read More

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http://dx.doi.org/10.1038/s41598-020-62223-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7093547PMC

The relationship between obstructive sleep apnoea and quality of life in women with polycystic ovary syndrome: a cross-sectional study.

Ther Adv Endocrinol Metab 2020 21;11:2042018820906689. Epub 2020 Feb 21.

Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism (WISDEM) and Human Metabolism Research Unit (HMRU), University Hospitals Coventry and Warwickshire NHS Trust, Coventry, CV2 2DX, UK.

Background: Obstructive sleep apnoea (OSA) and polycystic ovary syndrome (PCOS) are associated with significant comorbidities and commonly coexist. The primary aim of this study was to examine the relationship between OSA and quality of life (QoL) in women with PCOS.

Methods: We conducted an observational cross-sectional study. Read More

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http://dx.doi.org/10.1177/2042018820906689DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7036513PMC
February 2020

Success of Hypoglossal Nerve Stimulation Using Mandibular Advancement During Sleep Endoscopy.

Laryngoscope 2020 Feb 28. Epub 2020 Feb 28.

Division of Sleep Surgery, Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, U.S.A.

Objectives/hypothesis: Hypoglossal nerve stimulation (HGNS) effectively treats obstructive sleep apnea in select patients. Drug-induced sleep endoscopy (DISE) is required for HGNS candidacy. Data suggest that mandibular advancement (MA) devices and HGNS share similar target populations. Read More

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http://dx.doi.org/10.1002/lary.28589DOI Listing
February 2020

Embolic Stroke of Undetermined Source and Sleep Disorders.

Stroke 2020 Apr 11;51(4):1294-1296. Epub 2020 Feb 11.

From the Department of Medicine, Division of Neurology, Sunnybrook Health Sciences Centre, University of Toronto, Canada; and Hurvitz Brain Sciences Research Program, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Canada.

Background and Purpose- Compared with other causes of ischemic stroke, the mechanism of action of embolic stroke of undetermined source (ESUS) remains unclear, with previous literature suggesting that ESUS may be due to an undetected cardioembolic source. This study aimed to improve our understanding of the pathophysiology of ESUS through current knowledge of sleep disorders. Methods- Patients were included in this study if they sustained an ischemic stroke and completed either polysomnography or a home sleep apnea test. Read More

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http://dx.doi.org/10.1161/STROKEAHA.119.028796DOI Listing

Diagnosis of Sleep-Disordered Breathing in the Home Environment.

Adv Exp Med Biol 2020 ;1271:107-112

Department of Anthropology, Biology Institute, Wrocław University of Environmental and Life Sciences, Wrocław, Poland.

Polysomnography, a gold standard for the diagnosis of sleep-disordered breathing, is a complex investigation requiring access to the sleep laboratory. Thus, sleep-disordered breathing could be underdiagnosed. The aim of this paper was to investigate the feasibility and effectiveness of self-performed investigation of obstructive sleep apnea (OSA) in the home setting, using a portable device, and to assess the comfort and simplicity of the procedure from the patient's perspective. Read More

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http://dx.doi.org/10.1007/5584_2020_497DOI Listing
January 2020

Feasibility of Parent-Attended Ambulatory Polysomnography in Children With Suspected Obstructive Sleep Apnea.

J Clin Sleep Med 2020 Feb 14. Epub 2020 Feb 14.

Service Epilepsie, Sommeil, Explorations Fonctionnelles Neurologiques Pédiatriques, Hôpital Femme Mère Enfant, Hospices Civils de Lyon, Bron, France.

Study Objectives: Due to a limited number of pediatric sleep centers, the aim was to test the feasibility of ambulatory polysomnography (PSG-home) in a group of French children suspected of obstructive sleep apnea (OSA).

Methods: Children undergoing one-night PSG-home, with device installed at the pediatric sleep physician's office, were prospectively included. General failure was considered when PSG-home recording captured <5 h of artifact-free sleep or when ≥1 channel (nasal flow, thoraco-abdominal belts, oximetry) presented artifacts >75% of the recording time. Read More

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http://dx.doi.org/10.5664/jcsm.8372DOI Listing
February 2020

Mobile health application to support CPAP therapy in obstructive sleep apnoea: design, feasibility and perspectives.

ERJ Open Res 2020 Jan 10;6(1). Epub 2020 Feb 10.

Laboratori del Son, Servei de Pneumologia, Hospital Clínic, Barcelona, Spain.

Background: Current continuous positive airway pressure (CPAP) devices can be monitored remotely; however, in-person visits are kept for clinical follow-up in order to promote CPAP use and resolve potential side-effects. Mobile health is a promising way to provide remote and easy clinical control for CPAP follow-up and support. We aimed to evaluate the feasibility and acceptance by obstructive sleep apnoea (OSA) patients and healthcare professionals of a newly designed mobile app (Appnea-Q) to promote clinical control through a self-monitoring tool for patients with CPAP supervised by sleep professionals. Read More

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http://dx.doi.org/10.1183/23120541.00220-2019DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7008136PMC
January 2020

Positional Obstructive Sleep Apnea Syndrome in Elderly Patients.

Int J Environ Res Public Health 2020 02 10;17(3). Epub 2020 Feb 10.

Department of Head-Neck Surgery, Otolaryngology, Head-Neck and Oral Surgery Unit, Morgagni Pierantoni Hospital, Via Carlo Forlanini, 34, 47121 Forlì, Italy.

The purpose of this study was to evaluate the prevalence of position-dependent obstructive sleep apnea (POSA) in elderly patients (≥65 years old). Adult (range 19-65 years old) and elderly patients were also compared in order to show differences in the incidence of POSA between these two groups of patients. A prospective bi-center study was performed between January 2018 and May 2019. Read More

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http://dx.doi.org/10.3390/ijerph17031120DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7042812PMC
February 2020

An Oximetry Based Wireless Device for Sleep Apnea Detection.

Sensors (Basel) 2020 Feb 7;20(3). Epub 2020 Feb 7.

ITI/Larsys/Madeira Interactive Technologies Institute, 9020-105 Funchal, Portugal.

Sleep related disorders can severely disturb the quality of sleep. Among these disorders, obstructive sleep apnea (OSA) is highly prevalent and commonly undiagnosed. Polysomnography is considered to be the gold standard exam for OSA diagnosis. Read More

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http://dx.doi.org/10.3390/s20030888DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7039040PMC
February 2020

Tobacco smoke exposure as a risk factor for obstructive sleep apnoea in children.

Pediatr Int 2020 Feb 8. Epub 2020 Feb 8.

Department of Pulmonology, Faculty of Heath Sciences, University of Warmia and Mazury in Olsztyn, Jagiellońska 78, 10-357, Olsztyn, Poland.

Background: The most common respiratory disturbance in sleeping children is the Obstructive Sleep Apnea Syndrome. The passive smoking is mentioned one of factors predisposing to Obstructive Sleep Apnea Syndrome. Determination of correlations between exposure to tobacco smoke (passive smoking) and development of respiratory disorders in children during sleep. Read More

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http://dx.doi.org/10.1111/ped.14191DOI Listing
February 2020

Epigenetics dysfunction in morbid obesity with or without obstructive sleep apnoea: the EPIMOOSA study.

Respir Res 2020 Feb 4;21(1):42. Epub 2020 Feb 4.

Translational Research Unit, Hospital Universitario Miguel Servet, IIS Aragón, Zaragoza, Spain and CIBER Enfermedades Respiratorias, Madrid, Spain.

Background: Obstructive sleep apnoea (OSA) and morbid obesity (MO), defined by a body mass index ≥35 kg/m, are two closely related conditions. Recent studies suggest that circulating microRNA (miRNA) plays a potential role in the physiopathology of both conditions. To date, circulating miRNA expression has been studied separately in both conditions, but never jointly. Read More

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http://dx.doi.org/10.1186/s12931-020-1302-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7001295PMC
February 2020

In-Home Diagnosis of Obstructive Sleep Apnea Using Automatic Video Analysis.

Arch Bronconeumol 2020 Jan 30. Epub 2020 Jan 30.

Hospital Universitari Germans Trias i Pujol, Department of Respiratory Medicine, Badalona, Barcelona, Spain; Universitat Autònoma de Barcelona, Department of Medicine, Barcelona, Catalunya, Spain; Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol (IGTP), Department of Respiratory Medicine, Badalona, Catalunya, Spain; Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERESP), Department of Respiratory Medicine, Barcelona, Catalunya, Spain.

Study Objectives: To evaluate the diagnostic accuracy of a non-invasive technology based on image processing for the identification of obstructive sleep apnea (OSA) and its severity at patients' home.

Methods: Observational, prospective, diagnostic accuracy study to evaluate the degree of measure agreement between Sleepwise (SW), in-laboratory attended polysomnography (PSG) and a home sleep apnea test (HSAT). 38 consecutive subjects with suspected OSA referred as outpatients to the sleep unit were recruited from September 2016 to September 2017. Read More

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http://dx.doi.org/10.1016/j.arbres.2019.11.027DOI Listing
January 2020

Reliability of Home Nocturnal Oximetry in the Diagnosis of Overlap Syndrome in COPD.

Respiration 2020;99(2):132-139. Epub 2020 Jan 29.

Centre de Recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Québec, Canada,

Background: Chronic obstructive pulmonary disease (COPD) and sleep apnea are common conditions and often coexist. The proper diagnosis of sleep apnea may affect the management and outcome of patients with COPD.

Objective: To determine the accuracy of home nocturnal oximetry to distinguish between nocturnal oxygen desaturation related to COPD alone or to sleep apnea in patients with moderate-to-severe COPD who have significant nocturnal hypoxemia with cyclical changes in saturation. Read More

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http://dx.doi.org/10.1159/000505299DOI Listing
January 2020

Agreement of sleep specialists with registered nurses' sleep study orders in supervised clinical practice.

J Clin Sleep Med 2020 Feb 13;16(2):279-283. Epub 2020 Jan 13.

VA Puget Sound Health Care System, Seattle, Washington.

Study Objectives: Incorporating registered nurses (RN-level) into obstructive sleep apnea (OSA) management decisions has the potential to augment the workforce and improve patient access, but the appropriateness of such task-shifting in typical practice is unclear.

Methods: Our medical center piloted a nurse triage program for sleep medicine referrals. Using a sleep specialist-designed decision-making tool, nurses triaged patients referred for initial sleep studies to either home sleep apnea test (HSAT) or in-laboratory polysomnography (PSG). Read More

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http://dx.doi.org/10.5664/jcsm.8182DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7053017PMC
February 2020

Long-term variability of the apnea-hypopnea index in a patient with mild to moderate obstructive sleep apnea.

J Clin Sleep Med 2020 Feb 13;16(2):319-323. Epub 2020 Jan 13.

Charité-Universitätsmedizin Berlin, CCM-CC11, Centre for Sleep Medicine.

None: Night-to-night variability (NNV) of the degree of obstructive sleep apnea (OSA) over the long term is not well investigated. In our case, we investigated the NNV of the apnea-hypopnea index (AHI) with regard to sleep structure. Unattended polysomnography (PSG) at home was used to determine the AHI in the course of 4 weeks in a single patient with a mild-to-moderate OSA, by using the Somnocheck R&K system. Read More

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http://dx.doi.org/10.5664/jcsm.8192DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7053031PMC
February 2020

Exploring the STOP-BANG questionnaire for obstructive sleep apnea screening in seniors.

J Clin Sleep Med 2020 Feb 13;16(2):199-206. Epub 2020 Jan 13.

Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.

Study Objectives: The accuracy of obstructive sleep apnea (OSA) screening instruments in seniors may change as the predictive role of sex, age, and body mass index (BMI) changes with aging. We investigated the diagnostic performance of the STOP-BANG questionnaire in older individuals with aging-adapted scores and thresholds.

Methods: Independent community-dwelling adults aged 65 years or older were screened for OSA. Read More

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http://dx.doi.org/10.5664/jcsm.8166DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7053028PMC
February 2020

Long-term obstructive sleep apnea therapy: a 10-year follow-up of mandibular advancement device and continuous positive airway pressure.

J Clin Sleep Med 2020 Mar 14;16(3):353-359. Epub 2020 Jan 14.

Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.

Study Objectives: Obstructive sleep apnea (OSA) is a sleep-related breathing disorder, commonly managed by either continuous positive airway pressure (CPAP) or a mandibular advancement device (MAD). Long-term follow-up and comparison regarding efficacy of these therapies is scarce. In this study the results of treatment, patient adherence, and satisfaction over a 10-year follow-up of these therapies are reported. Read More

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http://dx.doi.org/10.5664/jcsm.8204DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7075089PMC

Automatic Event Detector from Smartphone Accelerometry: Pilot mHealth Study for Obstructive Sleep Apnea Monitoring at Home.

Conf Proc IEEE Eng Med Biol Soc 2019 07;2019:4990-4993

Obstructive sleep apnea (OSA) is a common disorder with a low diagnosis ratio, leaving many patients undiagnosed and untreated. In the last decades, accelerometry has been found to be a feasible solution to obtain respiratory activity and a potential tool to monitor OSA. On the other hand, many smartphone-based systems have already been developed to propose solutions for OSA monitoring and treatment. Read More

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http://dx.doi.org/10.1109/EMBC.2019.8857507DOI Listing

Automatic Silence Events Detector from Smartphone Audio Signals: A Pilot mHealth System for Sleep Apnea Monitoring at Home.

Conf Proc IEEE Eng Med Biol Soc 2019 07;2019:4982-4985

Obstructive sleep apnea (OSA) is a prevalent disease, but most patients remain undiagnosed and untreated. Recently, mHealth tools are being proposed to screen OSA patients at home. In this work, we analyzed full-night audio signals recorded with a smartphone microphone. Read More

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http://dx.doi.org/10.1109/EMBC.2019.8857906DOI Listing

System for Monitoring User Engagement with Personalized Medical Devices to Improve Use and Health Outcomes.

Conf Proc IEEE Eng Med Biol Soc 2019 07;2019:4301-4305

Medical devices used in a home setting for treating a variety of chronic diseases lack the ability to convey meaningful information to the patients directly about how they are engaging with their devices in real-time. This research is focused on the development of a monitoring system that addresses this need. For this initial design and testing, the research team applied the technology to a positive airway pressure (PAP) system used in the treatment of those suffering from obstructive sleep apnea (OSA). Read More

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http://dx.doi.org/10.1109/EMBC.2019.8856859DOI Listing

Smart Phone based Snoring Sound analysis to Identify Upper Airway Obstructions.

Conf Proc IEEE Eng Med Biol Soc 2019 Jul;2019:4233-4236

Obstructive sleep apnea (OSA) is characterized by upper airway obstructions known as apnea/hypopnea events. Narrowing of the upper airway during or near the vicinity of apnea/hypopnea causes the spectrum of the snores to shift to higher frequencies. Using an instrumentation quality wideband (WB) microphone (4Hz-100kHz), we previously demonstrated that potentially diagnostically useful frequency shifts could be detected even in regions beyond the human hearing range. Read More

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http://dx.doi.org/10.1109/EMBC.2019.8857016DOI Listing

Airflow from nasal pulse oximetry in the screening of obstructive sleep apnea.

Conf Proc IEEE Eng Med Biol Soc 2019 07;2019:2572-2575

Obstructive Sleep Apnea (OSA) is recognized as an increasing health risk, leading to daytime sleepiness and various medical conditions, such as hypertension and heart failure. Polysomnography (PSG), the gold standard to diagnose OSA, is a resource-intensive and expensive investigation confined to the hospital.Portable home monitoring, i. Read More

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http://dx.doi.org/10.1109/EMBC.2019.8857586DOI Listing

Use of a Limited-Channel Device for Obstructive Sleep Apnoea Diagnosis in a Tertiary Sleep Disorders Centre.

Intern Med J 2020 Jan 6. Epub 2020 Jan 6.

Thoracic and Sleep Medicine, The Prince Charles Hospital, Chermside, Queensland, Australia.

Background: A major impediment to provision of obstructive sleep apnoea (OSA) treatment is reliance on labour-intensive and costly laboratory-based polysomnography (PSG). This study investigated if measurement of oximetry and nasal flow via the ApneaLink™ device (AL) could identify patients with moderate-severe OSA among those referred for PSG to a tertiary sleep service.

Methods: New referrals to The Prince Charles Hospital Sleep Disorders Centre were assessed for suitability. Read More

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http://dx.doi.org/10.1111/imj.14747DOI Listing
January 2020

Perioperative care of the obese patient.

Br J Surg 2020 01;107(2):e39-e55

Department of Surgical, Oncological and Gastroenterological Sciences, Section of Surgery, University of Padua, Padua, Italy.

Background: Obesity has become an increasing problem worldwide during the past few decades. Hence, surgeons and anaesthetists will care for an increasing number of obese patients in the foreseeable future, and should be prepared to provide optimal management for these individuals. This review provides an update of recent evidence regarding perioperative strategies for obese patients. Read More

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http://dx.doi.org/10.1002/bjs.11447DOI Listing
January 2020

The PAP-NAP one decade later: patient risk factors, indications, and clinically relevant emotional and motivational influences on PAP use.

Sleep Breath 2020 Jan 2. Epub 2020 Jan 2.

Sleep & Human Health Institute, 6739 Academy N.E., Suite 380, Albuquerque, NM, 87109, USA.

Study Objectives: Positive airway pressure (PAP) noncompliance remains a major barrier in obstructive sleep apnea (OSA) treatment. The PAP-NAP, a daytime PAP "test-drive," has been associated with increased PAP use, but risk factors and indications for the procedure remain unspecified.

Methods: A retrospective chart review was conducted on 139 patients who (1) were diagnosed with OSA (n = 116) or upper airway resistance syndrome (UARS) (n = 23); (2) adamantly refused to proceed with either a full-night attended titration or in-home trial of PAP; and (3) elected to proceed with a PAP-NAP instead. Read More

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http://dx.doi.org/10.1007/s11325-019-01988-zDOI Listing
January 2020

Predicting the night-to-night variability in the severity of obstructive sleep apnea: the case of the standard error of measurement.

Sleep Sci 2019 Apr-Jun;12(2):72-78

University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Sleep - Vitoria - Álava - Spain.

Study Objectives: Night-to-night variability in the apnea-hypopnea index (AHI) may affect the accuracy of the diagnosis of obstructive sleep apnea (OSA) and treatment selection. This study was conducted to assess the utility of the standard error of measurement (SEM) in predicting the night-to-night variability in the OSA.

Methods: Ninety nine patients underwent a 3-consecutive nights of sleep monitoring with a validated home portable monitoring devise (BTI-APNiA, BTI Biotechnology Institute, Vitoria, Spain). Read More

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http://dx.doi.org/10.5935/1984-0063.20190063DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6922552PMC
December 2019

Pragmatic Validation of Home Portable Sleep Monitor for diagnosing Obstructive Sleep Apnea in a non-referred population: .

Sleep Sci 2019 Apr-Jun;12(2):65-71

University of Sao Paulo, Center of Clinical and Epidemiologic Research (CPCE) - São Paulo - São Paulo - Brazil.

Objective: Polygraphy (PG) is an attractive alternative for diagnosing obstructive sleep apnea (OSA) in patients with high pre-test probability. However, several patients may not present typical symptoms. In this scenario, it is unclear the performance of PG for diagnosing OSA in non-referred populations to sleep laboratories. Read More

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http://dx.doi.org/10.5935/1984-0063.20190072DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6922554PMC
December 2019

Overnight oximetry in children undergoing adenotonsillectomy: a single center experience.

J Otolaryngol Head Neck Surg 2019 Dec 3;48(1):69. Epub 2019 Dec 3.

Sections of Otolaryngology - Head and Neck Surgery and Pediatric Surgery, Department of Surgery, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.

Background: Obstructive sleep apnea (OSA) is the most common indication for adenotonsillectomy in children. Home-based sleep oximetry continues to be used in the diagnosis of pediatric OSA despite a lack of correlation with lab-based polysomnography. This study investigates whether factors influence surgeons in selecting patients for home-based sleep oximetry, how the study findings are used in patient management, and whether abnormal oximetry findings are associated with post-operative complications. Read More

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http://dx.doi.org/10.1186/s40463-019-0391-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6888940PMC
December 2019
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Obstructive Sleep Apnea.

Authors:
Sanjay R Patel

Ann Intern Med 2019 12;171(11):ITC81-ITC96

University of Pittsburgh, Pittsburgh, Pennsylvania (S.R.P.).

Obstructive sleep apnea (OSA) is very common but is frequently undiagnosed. Symptoms include loud snoring, nocturnal awakening, and daytime sleepiness. Motor vehicle accidents due to drowsy driving are a particular concern. Read More

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http://dx.doi.org/10.7326/AITC201912030DOI Listing
December 2019