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V Luzzi, G Di Carlo, M Saccucci, G Ierardo, E Guglielmo, M Fabbrizi, A M Zicari, M Duse, F Occasi, G Conti, E Leonardi, A Polimeni
OBJECTIVE: Sleep-disordered breathing (SDB) is among the most common diseases and includes a group of pathological conditions that form a severity continuum from primary snoring (PS) to obstructive sleep apnea (OSA). SDB presents a multifactorial etiology and in children, it is often linked to adenotonsillar hypertrophy, which may lead to an alteration of the breathing pattern. Therefore, several studies hinted at the existence of a correlation between SDB and the alteration of craniofacial growth...
October 2016: European Review for Medical and Pharmacological Sciences
Alena Škodová, Roman Prokeš, Zdeněk Šimek, Branislav Vrana
In situ extraction of steroid hormones from waste water using adsorption-based integrative passive samplers represents a promising approach for their monitoring in water at ultra-trace concentrations. Three passive samplers, namely a POCIS, a Chemcatcher fitted with an Empore SDB-RPS disk, and an Empore SDB-RPS disk-based sampler with enhanced water flow, were calibrated in situ in treated municipal wastewater for the purpose of monitoring five estrogens (17-β-estradiol, 17-α-estradiol, 17-α-ethinylestradiol, estrone and estriol) at sub ng per litre concentrations...
December 1, 2016: Talanta
Yoriaki Matsumoto, Takanori Masuda, Yukari Yamashita, Takayuki Oku, Hirofumi Uyama, Tomoyasu Sato, Naoyuki Imada
PURPOSE: The purpose of this study was to investigate the association of vessel visibility and radiation dose using contrast-to-noise ratio (CNR) method with low tube voltage in coronary computed tomography angiography (c-CTA). METHODS: We performed electrocardiogram-gated scan of 2.0-mm diameter simulated vessel in the center of the cardiac phantom by the use of a 64-detector CT scanner. Reference CNR was calculated from the target coronary CT number (CTnumberA; 350 Hounsfield units [HU]), epicardial fat CT number (CTnumberB; -100 HU), and target epicardial fat standard deviation (SD) number (SDB; 25 HU) at the 120 kV...
2016: Nihon Hoshasen Gijutsu Gakkai Zasshi
Stephanie O Zandieh, Amarilis Cespedes, Adam Ciarleglio, Wallace Bourgeois, David M Rapoport, Jean-Marie Bruzzese
OBJECTIVE: Sleep disordered breathing (SDB) has not been well studied in urban adolescents with asthma in community settings. Nor has the association of SDB symptoms and asthma severity been studied. We characterized self-reported symptoms suggesting SDB and investigated the association of SDB symptoms, probable asthma, and asthma severity. METHODS: 9,565 adolescents from 21 inner-city high schools were screened for an asthma intervention study. Students reported on symptoms suggesting SDB using questions from the 2007 NHANES, if they were ever diagnosed with asthma, and on asthma symptoms...
October 14, 2016: Journal of Asthma: Official Journal of the Association for the Care of Asthma
Christian Guilleminault, Shehlanoor Huseni, Lauren Lo
A short lingual frenulum has been associated with difficulties in sucking, swallowing and speech. The oral dysfunction induced by a short lingual frenulum can lead to oral-facial dysmorphosis, which decreases the size of upper airway support. Such progressive change increases the risk of upper airway collapsibility during sleep. Clinical investigation of the oral cavity was conducted as a part of a clinical evaluation of children suspected of having sleep disordered breathing (SDB) based on complaints, symptoms and signs...
July 2016: ERJ Open Research
Wei-Te Wu, Su-Shan Tsai, Yu-Jen Lin, Ming-Hsiu Lin, Trong-Neng Wu, Tung-Sheng Shih, Saou-Hsing Liou
BACKGROUND: Professional drivers' work under conditions predisposes them for development of sleep-disordered breathing (SDB) and cardiovascular disease (CVD). However, the effect of SDB on CVD risk among professional drivers has never been investigated. A cohort study was used to evaluate the effectiveness of overnight pulse oximeter as a sleep apnea screening tool to assess the 8-year risk of CVD events. METHODS: The Taiwan Bus Driver Cohort Study (TBDCS) recruited 1014 professional drivers in Taiwan since 2005...
September 29, 2016: International Journal of Cardiology
Kang Shen, Ling Qin, He-Gen Zheng
Three new coordination polymers have been synthesized based on three linear pyridine ligands with different side chains and one flexible V-shaped dicarboxylate co-ligand: {[Co(L1)0.5(sdb)]}n (1), {[Co(L2)0.5(sdb)]·1.5H2O}n (2) and {[Co(L3)0.5(sdb)]·2DMF}n (3) (L1 = E,E-2,5-dioctyloxy-1,4-bis-[2-pyridin-vinyl]-benzene; L2 = E,E-2,5-dibutoxy-1,4-bis-[2-pyridin-vinyl]-benzene; L3 = E,E-2,5-dimethoxy-1,4-bis-[2-pyridin-vinyl]-benzene; H2sdb = 4,4'-sulfonyldibenzoic acid). Complexes 1-3 are 4-connected sql nets with a point symbol of {4(4)·6(2)}...
October 18, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
Manjula M Weerasekera, Gayan K Wijesinghe, Thilini A Jayarathna, Chinthika P Gunasekara, Neluka Fernando, Nilwala Kottegoda, Lakshman P Samaranayake
As there are sparse data on the impact of growth media on the phenomenon of biofilm development for Candida we evaluated the efficacy of three culture media on growth, adhesion and biofilm formation of two pathogenic yeasts, Candida albicans and Candida tropicalis. The planktonic phase yeast growth, either as monocultures or mixed cultures, in sabouraud dextrose broth (SDB), yeast nitrogen base (YNB), and RPMI 1640 was compared, and adhesion as well as biofilm formation were monitored using MTT and crystal violet (CV) assays and scanning electron microscopy...
October 3, 2016: Memórias do Instituto Oswaldo Cruz
Shahab Bozorgmehri, Howard A Fink, Neeta Parimi, Benjamin Canales, Kristine E Ensrud, Sonia Ancoli-Israel, Muna Canales
PURPOSE: To investigate the association between sleep-disordered breathing (SDB) and erectile dysfunction (ED) in older men. METHODS: We performed a cross-sectional analysis of community-dwelling men aged ≥67 years enrolled in the MrOS Sleep Study. Participants underwent overnight polysomnography (2003-2005) and completed sexual health questionnaires (2005-2006). We defined SDB using the apnea-hypopnea-index (AHI) or nocturnal hypoxemia. ED was defined using the Massachusetts Male Aging Study (MMAS) scale and, in sexually active men, the International Index of Erectile Function (IIEF-5)...
September 30, 2016: Journal of Urology
W Kukwa, E Migacz, S Ishman, A Wichniak
OBJECTIVE: The aim of the study was to investigate the prevalence of difficulty with initiation or maintenance of sleep (DIMS) and excessive daytime sleepiness (EDS) in a general pediatric population, and to evaluate the relationship between these conditions and sleep-disordered breathing (SDB) symptom intensity. METHODS: This population-based cross-sectional study from 27 primary schools in a medium-sized city in Poland was based on use of a questionnaire regarding demographic data, symptoms of SDB, DIMS, and EDS...
July 2016: Sleep Medicine
Abdulghani Sankari, Sukanya Pranathiageswaran, Scott Maresh, Arwa Mohammad Hosni, M Safwan Badr
RATIONALE: Current scoring criteria of non-apneic events (i.e. hypopnea) require the presence of oxyhemoglobin de-saturation and/or arousal. However, other sleep study parameters may help to identify abnormal respiratory events and assist in making more accurate diagnosis. OBJECTIVES: To investigate whether non-apneic respiratory events without de-saturation or cortical arousal are associated with respiratory and cardiac consequences. METHODS: Thirteen participants with sleep disturbances (snoring and/or excessive day time sleepiness), were screened using attended in laboratory polysomnography (PSG) while monitoring pressure and airflow via a nasal mask with an attached pneumotach...
September 26, 2016: Sleep
Angela Tagetti, Sara Bonafini, Marco Zaffanello, Maria V Benetti, Francesco Dalle Vedove, Emma Gasperi, Paolo Cavarzere, Rossella Gaudino, Giorgio Piacentini, Pietro Minuz, Claudio Maffeis, Franco Antoniazzi, Cristiano Fava
INTRODUCTION: Both sleep-disordered breathing (SDB) and high blood pressure (BP) occur more frequently among obese children than among normal weight children, and this may be due to endothelial dysfunction and worsened arterial stiffness. The aim of this study was to evaluate the possible association between SDB and BP, and the possible role of endothelial function and local and systemic arterial stiffness in a sample of obese children asymptomatic for sleep disturbances. MATERIALS AND METHODS: Thirty-nine obese children were included in the study...
September 17, 2016: Journal of Hypertension
Össur Ingi Emilsson, Bryndís Benediktsdóttir, Ísleifur Ólafsson, Elizabeth Cook, Sigurður Júlíusson, Einar Stefán Björnsson, Sunna Guðlaugsdóttir, Anna Soffía Guðmundsdóttir, Ekaterina Mirgorodskaya, Evert Ljungström, Erna Sif Arnardóttir, Þórarinn Gíslason, Christer Janson, Anna-Carin Olin
BACKGROUND: Nocturnal gastroesophageal reflux (nGER) is associated with respiratory symptoms and sleep-disordered breathing (SDB), but the pathogenesis is unclear. We aimed to investigate the association between nGER and respiratory symptoms, exacerbations of respiratory symptoms, SDB and airway inflammation. METHODS: Participants in the European Community Respiratory Health Survey III in Iceland with nGER symptoms (n = 48) and age and gender matched controls (n = 42) were studied by questionnaires, exhaled breath condensate (EBC), particles in exhaled air (PEx) measurements, and a home polygraphic study...
2016: Respiratory Research
Á Sánchez-Larsen, J García-García, O Ayo-Martín, F Hernández-Fernández, I Díaz-Maroto, E Fernández-Díaz, M Monteagudo, T Segura
OBJECTIVES: We aimed to determine whether the aetiology of ischaemic stroke has changed in recent years and, if so, to ascertain the possible reasons for these changes. PATIENTS AND METHODS: We analysed the epidemiological history and vascular risk factors of all patients diagnosed with ischaemic stroke at Complejo Hospitalario Universitario de Albacete (CHUA) from 2009 to 2014. Ischaemic stroke subtypes were established using the TOAST criteria. Our results were compared to data from the classic Stroke Data Bank (SDB); in addition, both series were compared to those of other hospital databases covering the period between the two...
September 16, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
Ahmed I Masoud, Gregory W Jackson, David W Carley
INTRODUCTION: Dentists can be the first professionals to recognize a patient's potential sleep problem since they typically have more frequent contact with their patients than do physicians. It is important that dentists have a reasonable understanding of sleep disorders and how to assess their patients if they suspect such a problem so that a timely referral can be made or treatment can be provided as appropriate. OBJECTIVE: To review the key literature relevant to sleep-disordered breathing (SDB) characteristics and diagnosis, including history, examination, and investigation with an emphasis on radiographic airway analyses...
September 19, 2016: Cranio: the Journal of Craniomandibular Practice
Martin R Cowie
The majority of patients with heart failure have sleep-disordered breathing (SDB)-with central (rather than obstructive) sleep apnoea becoming the predominant form in those with more severe disease. Cyclical apnoeas and hypopnoeas are associated with sleep disturbance, hypoxaemia, haemodynamic changes, and sympathetic activation. Such patients have a worse prognosis than those without SDB. Mask-based therapies of positive airway pressure targeted at SDB can improve measures of sleep quality and partially normalise the sleep and respiratory physiology, but recent randomised trials of cardiovascular outcomes in central sleep apnoea have been neutral or suggested the possibility of harm, likely from increased sudden death...
September 17, 2016: Current Heart Failure Reports
Christoph Maier, Jörg Friedrich, Hugo Katus, Hartmut Dickhaus
BACKGROUND AND PURPOSE: To prospectively evaluate the applicability of a method to screen overnight Holter-ECGs for sleep disordered breathing (SDB) in an unselected clinical routine Holter sample. METHODS: Holter-ECG recordings in 50 cardiologic inpatients were complemented with nocturnal respiratory polygraphy (PG). The respiratory event index (REI) and apnea/hypopnea index (AHI) from the PG served as a reference for an ECG-derived SDB severity estimate using a previously developed method...
August 4, 2016: Journal of Electrocardiology
Tomoyuki Kawada, Masao Katsumata, Hirofumi Inagaki, Takayuki Nakamura, Yoichi Kon
AIMS: The authors identified the risk of disorders of glucose metabolism (DGM) for sleep-disordered breathing (SDB). METHODS: We conducted a cross-sectional study in 536 men aged 33-84 years. Patients with diabetes medication were excluded for the analysis and DGM were diagnosed by fasting plasma glucose≥100mg/dl and/or 2h plasma glucose ≥140mg/dl. RESULTS: The prevalence of DGM in subjects with and without severe SDB, which was judged by an apnea-hypopnea index (AHI) of 30, were 64...
September 4, 2016: Diabetes & Metabolic Syndrome
Ulla Anttalainen, Mirja Tenhunen, Ville Rimpilä, Olli Polo, Esa Rauhala, Sari-Leena Himanen, Tarja Saaresranta
Obstructive sleep apnea syndrome (OSAS) is a well-recognized disorder conventionally diagnosed with an elevated apnea-hypopnea index. Prolonged partial upper airway obstruction is a common phenotype of sleep-disordered breathing (SDB), which however is still largely underreported. The major reasons for this are that cyclic breathing pattern coupled with arousals and arterial oxyhemoglobin saturation are easy to detect and considered more important than prolonged episodes of increased respiratory effort with increased levels of carbon dioxide in the absence of cycling breathing pattern and repetitive arousals...
2016: European Clinical Respiratory Journal
Amy T Bascom, Abdulghani Sankari, M Safwan Badr
Sleep-disordered breathing (SDB) is prevalent in individuals with chronic spinal cord injury (SCI), but the exact mechanism is unknown. The aim of this study was to investigate whether peripheral chemoreceptors activity is enhanced in individuals with chronic SCI compared to abled-bodied control subjects using CO2 and O2 chemical tests. In protocol (1) 30 subjects (8 cervical [cSCI], 7 thoracic [tSCI] and 15 able-bodied [AB]) were studied to determine the ventilatory response to hyperoxia during wakefulness in the supine position...
September 2016: Physiological Reports
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