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Automated measure of nighttime oxygen levels could speed diagnosis of sleep apnea

(University of Chicago Medical Center) Computer analysis of oxygen levels in the blood during sleep could -- by itself -- provide an easy, relatively inexpensive and sufficiently reliable way to determine which children who snore habitually could benefit from a diagnosis and treatment for obstructive sleep apnea. This approach was most accurate for children with severe apnea.
Source: EurekAlert! - Medicine and Health - Category: International Medicine & Public Health Source Type: news

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Publication date: March 2018 Source:Biomedical Signal Processing and Control, Volume 41 Author(s): Takahiro Emoto, Udantha R. Abeyratne, Kenichiro Kawano, Takuya Okada, Osamu Jinnouchi, Ikuji Kawata Obstructive sleep apnea-hypopnea syndrome (OSAHS) is known to cause daytime drowsiness and an association with diseases such as Type II diabetes, cardiovascular disease, and stroke. A polysomnography (PSG) test is the traditional method for diagnosing OSAHS. However, this test is expensive, inconvenient, and requires the placement of body contact sensors during sleep. Recently, in several studies, the snoring/breathing episode...
Source: Biomedical Signal Processing and Control - Category: Biomedical Science Source Type: research
ABSTRACT Recently, the orofacial myofunctional therapy (OMT) has appeared as a possible alternative treatment for obstructive sleep apnea (OSA). Systematic reviews are required to achieve scientific evidence, seeking to direct the decision on therapeutic issues. The aim of this study was to systematically review the literature about the OMT proposals in adults with OSA related to symptoms and physiological parameters. Data sources were Lilacs, MEDLINE, Pubmed, Cochrane and Scielo using the descriptors: obstructive sleep apnea; myofunctional therapy; oropharyngeal exercises; breathing exercises; upper airway exercises; spee...
Source: Revista CEFAC - Category: Speech-Language Pathology Source Type: research
Authors: Chua W, Chediak AD Abstract Preview A group of women are talking about their husbands' sleep habits. Tossing, turning, snoring, and falling asleep in the easy chair right after dinner come up. Then someone says, "What really bothers me is when he quits breathing." Several other spouses agree. What they may not know is that this is sleep apnea, which can have serious consequences if left untreated. Drs Chua and Chediak discuss risk factors, causes, diagnosis, and treatment of obstructive sleep apnea. PMID: 29206527 [PubMed]
Source: Postgraduate Medicine - Category: Internal Medicine Tags: Postgrad Med Source Type: research
Conclusions: We were able to observe the vibrations of soft tissue and the modeled airflow by applying the finite element methods. Future studies could focus on improving the soft tissues vibration compliances by adjusting the model parameters. Additionally, more attention should be paid to vibrational components below 20 Hz when performing an acoustic analysis of human snore sounds due to the presence of these frequencies in this model. PMID: 29204444 [PubMed - in process]
Source: Biomed Res - Category: Research Authors: Tags: Biomed Res Int Source Type: research
This study aims to (1) determine the prevalence of OSA among symptomatic subjects with SSS and (2) compare clinical features of OSA between patients with and without SSS.Methods: Subjects (n=144) referred to the sleep unit (Pneumology Department - La Rabta University Hospital - Tunis) with clinical suspicion of OSA were included. All patients had a physical exanimation, a spirometry and a nocturnal polygraphy. The prevalence of OSA in subjects with and without SSS was calculated. The study population was then divided into two groups: G1 (OSA with SSS) and G2 (OSA without SSS). The 2 groups were compared according to age, s...
Source: European Respiratory Journal - Category: Respiratory Medicine Authors: Tags: Sleep and Control of Breathing Source Type: research
Introduction: The tongue play an important role in the quality of breathing during sleep.Aims and objectives: The aim of our study was to evaluate tongue strength in children with and without sleep disordered breathing (SDB) with Iowa Oral Performance Instrument (IOPI).Methods: Polysomnographic recordings were performed at baseline to assess obstructive sleep apnea (OSA) severity in children with SDB. Assessment of tongue strength and tongue peak pressure, using the Iowa Oral Performance Instrument (IOPI), and clinical examination were performed and a sleep clinical record (SCR) obtained for all the SDB patients. Age and s...
Source: European Respiratory Journal - Category: Respiratory Medicine Authors: Tags: Paediatric Respiratory Physiology and Sleep Source Type: research
Conclusions: Awakening concentrations of 8-IsoP in EBC, but not those of FENO, were particularly high in our pediatric patients with OSA and correlated with disease severity.
Source: European Respiratory Journal - Category: Respiratory Medicine Authors: Tags: Paediatric Respiratory Physiology and Sleep Source Type: research
Conclusions: Despite women had greater obesity index, the severity of OSA were lower than in men. Symptoms were also different, women had more daytime tiredness, non-repairing or fragmented sleep, and insomnia We didnt find significant differences in moderate-severe sleepiness between genders. We have lower rate of CPAP indication in woman
Source: European Respiratory Journal - Category: Respiratory Medicine Authors: Tags: Sleep and Control of Breathing Source Type: research
The role of body weight in the diagnosis of obstructive sleep apnea (OSA) is well known although the mechanisms through which this occurs remain a subject of discussion. Our hospital employs routine screening for OSA in bariatric surgery candidates regardless of sleep complaints.Our aim was to compare morbidly obese patients (body mass index (BMI) ≥ 40kg/m2) with and without OSA regarding age, sleepiness (using the Epworth scale and considered positive if>12/24), smoking habits, snoring and medical comorbidities.Patients were screened with a type III cardio-respiratory polygraphy. Out of a total of 264 screened patie...
Source: European Respiratory Journal - Category: Respiratory Medicine Authors: Tags: Sleep and Control of Breathing Source Type: research
Conclusions: The presence of OSA and sleep fragmentation may induce changes in branched chain amino acid metabolism in snoring children, independently of obesity. These data suggest a new mechanism linking OSA and glucose homeostasis.
Source: European Respiratory Journal - Category: Respiratory Medicine Authors: Tags: Paediatric Respiratory Physiology and Sleep Source Type: research
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