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Sleep-disordered breathing

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https://www.readbyqxmd.com/read/28227708/towards-detection-of-sleep-apnea-events-by-combining-different-non-contact-measurement-modalities
#1
Abdul Q Javaid, Carlo M Noble, Russell Rosenberg, Mary A Weitnauer, Abdul Q Javaid, Carlo M Noble, Russell Rosenberg, Mary A Weitnauer, Carlo M Noble, Abdul Q Javaid, Mary A Weitnauer, Russell Rosenberg
In this work, we extract features from an under-the-mattress impulse radio ultra-wide band (IR-UWB) radar and a microphone, placed on the side table of the bed, to classify epochs belonging to normal sleep and those that contain an apnea event in them. Sleep apnea is the most common form of sleep related breathing disorder in adults with an estimated prevalance of 5-15%. The common diagnostic process for sleep apnea, polysomnography (PSG), involves sleeping in well-equipped sleep clinics. The cost and discomfort associated with the process has spurred research towards the design of portable home-based monitoring devices...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227458/study-of-phase-estimation-methods-to-analyse-cardiorespiratory-synchronization-in-osa-patients
#2
Jordi Sola-Soler, Beatriz F Giraldo, Jose A Fiz, Raimon Jane, Jordi Sola-Soler, Beatriz F Giraldo, Jose A Fiz, Raimon Jane, Beatriz F Giraldo, Raimon Jane, Jose A Fiz, Jordi Sola-Soler
Obstructive Sleep Apnea (OSA) is a sleep disorder highly prevalent in the general population. Cardiorespiratory Phase Synchronization (CRPS) is a form of non-linear interaction between respiratory and cardiovascular systems that was found to be reduced in severe OSA patients. The Hilbert Transform (HT) method was the recommended choice for estimating the respiratory phase in CRPS studies. But we have noticed that HT provides a phase that is aligned to the transition between the exhalation and the inhalation parts of different breathing cycles, instead of being aligned to the breathing onsets...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227264/sleep-architecture-measurement-based-on-cardiorespiratory-parameters
#3
Alexander Tataraidze, Lyudmila Korostovtseva, Lesya Anishchenko, Mikhail Bochkarev, Yurii Sviryaev, Alexander Tataraidze, Lyudmila Korostovtseva, Lesya Anishchenko, Mikhail Bochkarev, Yurii Sviryaev, Mikhail Bochkarev, Yurii Sviryaev, Lesya Anishchenko, Lyudmila Korostovtseva, Alexander Tataraidze
This paper presents a method for the detection of wakeful state, rapid eye movement sleep (REM), light sleep (N1&N2) and deep sleep (N3&N4) based on cardiorespiratory parameters. Experiments were conducted with data of 625 subjects without sleep-disordered breathing selected from the SHHS dataset. Compared to previous studies, our method considers results of neighboring epochs classification and epoch position over record time. The method demonstrates Cohen's kappa of 0.57 ± 0.13 and the accuracy of 71.4 ± 8...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227200/obstructive-sleep-apnea-severity-estimation-fusion-of-speech-based-systems
#4
D Ben Or, E Dafna, A Tarasiuk, Y Zigel, D Ben Or, E Dafna, A Tarasiuk, Y Zigel, A Tarasiuk, Y Zigel, E Dafna
Obstructive sleep apnea (OSA) is a common sleep-related breathing disorder. Previous studies associated OSA with anatomical abnormalities of the upper respiratory tract that may be reflected in the acoustic characteristics of speech. We tested the hypothesis that the speech signal carries essential information that can assist in early assessment of OSA severity by estimating apnea-hypopnea index (AHI). 198 men referred to routine polysomnography (PSG) were recorded shortly prior to sleep onset while reading a one-minute speech protocol...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227198/a-new-algorithm-for-the-detection-of-sleep-apnea-events-in-respiration-signals
#5
Jungyoon Kim, Hisham ElMoaqet, Dawn M Tilbury, Satya-Krishna Ramachandran, Jungyoon Kim, Hisham ElMoaqet, Dawn M Tilbury, Satya-Krishna Ramachandran, Hisham ElMoaqet, Jungyoon Kim, Dawn M Tilbury, Satya-Krishna Ramachandran
Sleep apneas are the most common type of sleep-related breathing disorders which cause a patient to move from a good sleep into an inefficient sleep. In addition, sleep apnea widely impacts the American population and is a large cost for healthcare. Traditional detection methods of sleep apneas are complex, expensive, and invasive to most patients. Among the various physiological signals, respiration signals are relatively easy to be monitored. However, not many studies are conducted using respiration signal only, and most of the previous algorithms are insufficient to detect apnea events...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227112/estimation-of-macro-sleep-stages-from-whole-night-audio-analysis
#6
E Dafna, M Halevi, D Ben Or, A Tarasiuk, Y Zigel, E Dafna, M Halevi, D Ben Or, A Tarasiuk, Y Zigel, D Ben Or, Y Zigel, M Halevi, E Dafna, A Tarasiuk
During routine sleep diagnostic procedure, sleep is broadly divided into three states: rapid eye movement (REM), non-REM (NREM) states, and wake, frequently named macro-sleep stages (MSS). In this study, we present a pioneering attempt for MSS detection using full night audio analysis. Our working hypothesis is that there might be differences in sound properties within each MSS due to breathing efforts (or snores) and body movements in bed. In this study, audio signals of 35 patients referred to a sleep laboratory were recorded and analyzed...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227110/bioradiolocation-based-sleep-stage-classification
#7
Alexander Tataraidze, Lyudmila Korostovtseva, Lesya Anishchenko, Mikhail Bochkarev, Yurii Sviryaev, Sergey Ivashov, Alexander Tataraidze, Lyudmila Korostovtseva, Lesya Anishchenko, Mikhail Bochkarev, Yurii Sviryaev, Sergey Ivashov, Mikhail Bochkarev, Yurii Sviryaev, Lesya Anishchenko, Lyudmila Korostovtseva, Sergey Ivashov, Alexander Tataraidze
This paper presents a method for classifying wakefulness, REM, light and deep sleep based on the analysis of respiratory activity and body motions acquired by a bioradar. The method was validated using data of 32 subjects without sleep-disordered breathing, who underwent a polysomnography study in a sleep laboratory. We achieved Cohen's kappa of 0.49 in the wake-REM-light-deep sleep classification, 0.55 for the wake-REM-NREM classification and 0.57 for the sleep/wakefulness determination. The results might be useful for the development of unobtrusive sleep monitoring systems for diagnostics, prevention, and management of sleep disorders...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226965/distinguishing-obstructive-from-central-sleep-apneas-and-hypopneas-using-linear-svm-and-acoustic-features
#8
Richard Hummel, T Douglas Bradley, Devin Packer, Hisham Alshaer, Richard Hummel, T Douglas Bradley, Devin Packer, Hisham Alshaer, Devin Packer, T Douglas Bradley, Hisham Alshaer, Richard Hummel
Sleep Apnea (SA) is a very common but underdiagnosed respiratory disorder. SA has 2 main types, obstructive and central sleep apnea (OSA and CSA, respectively). The distinction between the 2 types is important for proper clinical management. Our aim in this study was to deploy acoustic analysis of breath sounds to distinguish central from obstructive events. We recorded breath sounds from 29 patients from which 45 segments with obstructive only and 40 segments with central only respiratory events were isolated...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226878/design-and-preliminary-evaluation-of-a-wearable-device-for-mass-screening-of-sleep-apnea
#9
Rohan S Puri, Athanasios G Athanassiadis, Niharika Gill, Sai Sri Sathya, Geetanjali Rathod, Akshat Wahi, Guy Satat, Maulik Majmudar, Pratik Shah, Rohan S Puri, Athanasios G Athanassiadis, Niharika Gill, Sai Sri Sathya, Geetanjali Rathod, Akshat Wahi, Guy Satat, Maulik Majmudar, Pratik Shah, Athanasios G Athanassiadis, Maulik Majmudar, Geetanjali Rathod, Sai Sri Sathya, Akshat Wahi, Niharika Gill, Pratik Shah, Rohan S Puri, Guy Satat
Between 7-18 million Americans suffer from sleep disordered breathing (SDB), including those who suffer from obstructive sleep apnea (OSA). Despite this high prevalence and burden of OSA, existing diagnostic techniques remain impractical for widespread screening. In this study, we introduce a new model for OSA screening and describe an at-home wearable sleep mask (named ARAM) that can robustly track the wearers' sleep patterns. This monitoring is achieved using select sensors that enable screening and monitoring in a form-factor that can be easily self-instrumented...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225162/mandibular-position-and-movements-suitability-for-diagnosis-of-sleep-apnoea
#10
Jean-Benoit Martinot, Jean-Christian Borel, Valérie Cuthbert, Hervé Jean-Pierre Guénard, Stéphane Denison, Philip E Silkoff, David Gozal, Jean-Louis Pepin
BACKGROUND AND OBJECTIVE: Mandibular movements (MMs) and position during sleep reflect respiratory efforts related to increases in upper airway resistance and micro-arousals. The study objective was to assess whether MM identifies sleep-disordered breathing (SDB) in patients with moderate to high pre-test probability. METHODS: This was a prospective study of 87 consecutive patients referred for an in-laboratory sleep test. Magnetometer-derived MM signals were incorporated into standard polysomnography (PSG)...
November 6, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28224726/a%C3%A4-rway-and-sleep-d%C3%A4-sorders-%C3%A4-n-pat%C3%A4-ents-w%C3%A4-th-acromegaly
#11
Onur Turan, Barış Akıncı, Ahmet Omer Ikız, Oya Itıl, Ibrahim Oztura, Emel Ada, Bahri Akdenız, Serkan Yener, Murat Kaya, Arzu Gedık, Abdurrahman Comlekcı
INTRODUCTION-OBJECTIVE: Acromegaly is a multisystemic disorder caused by excessive secretion of growth hormone (GH). Sleep-disordered breathing (SDB) such as sleep apnea syndrome (SAS) may occur in acromegaly. The aim of study was to assess the presence of sleep disorders and evaluate the systemic complications on respiratory, cardiovascular and upper airway systems in acromegalic patients. METHODS: The study group consisted of 30 acromegaly outpatients. GH and insulin-like growth factor 1 (IGF-1) measurements were obtained; body pletysmography, arterial blood gas analysis,tissue-doppler imaging,echocardiography,polysomnography,otorhinolaryngologic examination and head-neck computed tomography were performed...
February 22, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28224648/impacts-of-disease-severity-on-postoperative-complications-in-children-with-sleep-disordered-breathing
#12
Kun-Tai Kang, I-Sheng Chang, Chia-Chen Tseng, Wen-Chin Weng, Tzu-Yu Hsiao, Pei-Lin Lee, Wei-Chung Hsu
OBJECTIVES/HYPOTHESIS: To investigate the effects of diseases severity on postoperative complications following adenotonsillectomy (T&A) in children with sleep-disordered breathing (SDB). STUDY DESIGN: Retrospective study. METHODS: Children aged <18 years were enrolled and underwent T&A for treating SDB. Polysomnography was used to classify the disease severity: primary snoring (apnea-hypopnea index [AHI] <1), mild (AHI = 1-5), moderate (AHI = 5-10), and severe obstructive sleep apnea [OSA] (AHI ≥10)...
February 22, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28224405/complications-of-acromegaly-cardiovascular-respiratory-and-metabolic-comorbidities
#13
REVIEW
Rosario Pivonello, Renata S Auriemma, Ludovica F S Grasso, Claudia Pivonello, Chiara Simeoli, Roberta Patalano, Mariano Galdiero, Annamaria Colao
Acromegaly is associated with an enhanced mortality, with cardiovascular and respiratory complications representing not only the most frequent comorbidities but also two of the main causes of deaths, whereas a minor role is played by metabolic complications, and particularly diabetes mellitus. The most prevalent cardiovascular complications of acromegaly include a cardiomyopathy, characterized by cardiac hypertrophy and diastolic and systolic dysfunction together with arterial hypertension, cardiac rhythm disorders and valve diseases, as well as vascular endothelial dysfunction...
February 21, 2017: Pituitary
https://www.readbyqxmd.com/read/28222476/-positionpaper-on-telemonitoring-in-sleep-related-breathing-disorders
#14
W Randerath, M Bögel, C Franke, A Hellmann, B Jany, G Nilius, T Penzel, T Voshaar, A Wiater
The use of telemonitoring in the care of patients with Sleep-related Breathing Disorders (SBD) can enhance medical support significantly. Telemonitoring aims at helping physicians to detect therapy problems early and thus improve patients' therapy adherence. Diagnostics and therapy decisions in the telemonitoring process nevertheless remain the responsibility of sleep specialists. The selection of data monitored, their evaluation and resulting consequences fall to the physician, who makes decisions and prescribes therapy in consultation with the patient...
February 2017: Pneumologie
https://www.readbyqxmd.com/read/28218802/non-invasive-ventilation-for-cystic-fibrosis
#15
REVIEW
Fidelma Moran, Judy M Bradley, Amanda J Piper
BACKGROUND: Non-invasive ventilation may be a means to temporarily reverse or slow the progression of respiratory failure in cystic fibrosis by providing ventilatory support and avoiding tracheal intubation. Using non-invasive ventilation, in the appropriate situation or individuals, can improve lung mechanics through increasing airflow and gas exchange and decreasing the work of breathing. Non-invasive ventilation thus acts as an external respiratory muscle. This is an update of a previously published review...
February 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28215263/sleep-disordered-breathing-systemic-adipokine-secretion-and-metabolic-dysregulation-in-overweight-and-obese-children-and-adolescents
#16
Annelies Van Eyck, Kim Van Hoorenbeeck, Benedicte Y De Winter, Luc Van Gaal, Wilfried De Backer, Stijn L Verhulst
OBJECTIVE: Obstructive sleep apnea (OSA) is common among overweight and obese children, and it is an independent risk factor for developing metabolic syndrome. However, the mechanisms linking OSA and metabolic syndrome are still unclear, but a role for adipose tissue dysfunction caused by intermittent hypoxia has been suggested. Therefore, the goal of this study was to investigate the relationship between OSA and systemic adipokine concentrations in overweight and obese children. METHODS: We included 164 overweight and obese children in a tertiary center and distributed them in groups based on their obstructive apnea-hypopnea index (111 controls, 28 mild OSA, 25 moderate-to-severe OSA)...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215262/bimaxillary-expansion-therapy-for-pediatric-sleep-disordered-breathing
#17
Stacey D Quo, Nelly Hyunh, Christian Guilleminault
INTRODUCTION: The aim of this retrospective study was to evaluate the results of bimaxillary expansion as a treatment option for pediatric sleep-disordered breathing. METHODS: Forty-five children, aged 3-14 years, with sleep-disordered breathing underwent bimaxillary expansion. They were subjected to baseline clinical evaluations, cephalometric X-rays, and polygraphic sleep studies. Three to six months after bimaxillary expansion, posttreatment sleep studies were performed...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215255/performance-characteristics-of-the-french-version-of-the-severity-hierarchy-score-for-paediatric-sleep-apnoea-screening-in-clinical-settings
#18
Xuân-Lan Nguyên, Pierre Lévy, Nicole Beydon, David Gozal, Bernard Fleury
BACKGROUND: Paediatric obstructive sleep apnoea syndrome (OSAS) is a highly prevalent condition carrying increased risk for impaired cognitive and cardiovascular function. The standard diagnosis consists of full-night polysomnography (PSG), but limited access to PSG leads to substantial under-diagnosis. The use of a validated and simple diagnostic screening tool to predict OSAS could prioritise night sleep recordings in children at risk of OSAS, and help in clinical decision-making. OBJECTIVE: This study aimed to prospectively assess the performance of the French version of the severity hierarchy score (SHS) in paediatric OSAS...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215254/epidemiology-of-sleep-and-sleep-disorders-in-the-netherlands
#19
Gerard A Kerkhof
OBJECTIVE: There is a surging public interest in The Netherlands concerning sleep, sleep disorders and associated health. For a proper perspective, it is necessary to have reliable information on the prevalence of sleep characteristics at the national level. This study set out to assess prevalence rates and key characteristics of sleep and sleep disorders in The Netherlands. METHODS: In 2012, a nationally representative sample of 2089 individuals, aged 18-70 years, responded to a set of 48 questions, including the Holland Sleep Disorders Questionnaire, a validated questionnaire based on the International Classification of Sleep Disorders...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215238/sleep-disordered-breathing-in-children-with-cerebral-palsy
#20
Engin Koyuncu, Mustafa H Türkkani, Fatma G Sarikaya, Neşe Özgirgin
OBJECTIVES: The purpose of this study was to investigate the frequency of Sleep Disordered Breathing (SDB) in children with Cerebral Palsy (CP), and determine whether a relationship between SDB and age, gender, weight status, type of CP, motor function level, and spasticity can be established. METHODS: The study included 94 children with CP and 94 healthy children with normal development, between the ages two and 18. SDB was assessed using the Sleep-Related Breathing Disorder (SRBD) scale of the Pediatric Sleep Questionnaire (PSQ)...
February 2017: Sleep Medicine
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