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Apnea hypopnea index

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https://www.readbyqxmd.com/read/28938004/predictive-models-of-objective-oropharyngeal-osa-surgery-outcomes-success-rate-and-ahi-reduction-ratio
#1
Ji Ho Choi, Jae Yong Lee, Jaehyung Cha, Kangwoo Kim, Seung-No Hong, Seung Hoon Lee
OBJECTIVE: The aim of this study was to develop a predictive model of objective oropharyngeal obstructive sleep apnea (OSA) surgery outcomes including success rate and apnea-hypopnea index (AHI) reduction ratio in adult OSA patients. STUDY DESIGN: Retrospective outcome research. METHODS: All subjects with OSA who underwent oropharyngeal and/or nasal surgery and were followed for at least 3 months were enrolled in this study. Demographic, anatomical [tonsil size (TS) and palate-tongue position (PTP) grade (Gr)], and polysomnographic parameters were analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28937905/combined-orthodontic-and-surgical-treatment-in-a-8-years-old-patient-affected-by-severe-obstructive-sleep-apnea-a-case-report
#2
Antonio Gracco, Giovanni Bruno, Alberto de Stefani, Rosario Marchese Ragona, Sergio Mazzoleni, Edoardo Stellini
An eight-years-old girl showed a restless sleep with snoring and severe apnea episodes, a mandibular retrognathia, mouth breathing, maxillary transverse discrepancy, mandibular transverse discrepancy, moderate crowding and anterior open-bite. The CBCT showed an anterior collapse of the epiglottis. The treatment consisted in a rapid palatal expansion, an epiglottoplasty and a reduction of the tongue base. Polysomnography revealed that apnea-hypopnea index improved from 21,8 episodes/hr at the baseline to 0,6 episodes/hr, average oxygen saturation from 96,5% to 98,1%, oxygen desaturation events from 23,4 episodes/hr to 1/hr...
September 22, 2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28934533/carotid-artery-wall-thickness-in-obese-and-nonobese-adults-with-obstructive-sleep-apnea-before-and-following-positive-airway-pressure-treatment
#3
Jinyoung Kim, Emile R Mohler, Brendan T Keenan, David Maislin, Erna Sif Arnardottir, Thorarinn Gislason, Bryndis Benediktsdottir, Sigrun Gudmundsdottir, Andrea Sifferman, Bethany Staley, Frances M Pack, Greg Maislin, Julio A Chirinos, Raymond R Townsend, Allan I Pack, Samuel T Kuna
Study objectives: Debate persists as to whether obstructive sleep apnea (OSA) is an independent risk factor for atherosclerosis. The purpose of this study was to compare carotid intima-media thickness (IMT), an early sign of atherosclerosis, in obese and nonobese adults with OSA before and following positive airway pressure (PAP) treatment. Methods: A total of 206 adults newly diagnosed with OSA with an apnea-hypopnea index (AHI) of 15-75 events/hour and 53 controls with AHI <10 were studied...
September 1, 2017: Sleep
https://www.readbyqxmd.com/read/28934528/the-impact-of-altitude-on-sleep-disordered-breathing-in-children-dwelling-at-high-altitude-a-crossover-study
#4
Benjamin H Hughes, John T Brinton, David G Ingram, Ann C Halbower
Study Objectives: Sleep-disordered breathing (SDB) is prevalent among children and is associated with adverse health outcomes. Worldwide, approximately 250 million individuals reside at altitudes higher than 2000 meters above sea level (masl). The effect of chronic high-altitude exposure on children with SDB is unknown. This study aims to determine the impact of altitude on sleep study outcomes in children with SDB dwelling at high altitude. Methods: A single-center crossover study was performed to compare results of high-altitude home polysomnography (H-PSG) with lower altitude laboratory polysomnography (L-PSG) in school-age children dwelling at high altitude with symptoms consistent with SDB...
September 1, 2017: Sleep
https://www.readbyqxmd.com/read/28933667/diagnostic-performance-of-cheeks-appearance-in-sleep-apnea
#5
Aline Prikladnicki, Denis Martinez, Melissa Giacomelli Brunetto, Cintia Zappe Fiori, Maria do Carmo Sfreddo Lenz, Erissandra Gomes
OBJECTIVE: Obstructive sleep apnea (OSA) is a common, potentially life-threatening, but underdiagnosed condition. The study aimed to test the role of facial myofunctional alterations in OSA screening. METHOD: Sixty-one individuals with sleep complaints were evaluated by the Orofacial Myofunctional Evaluation with Scores (OMES) protocol before undergoing polysomnography. The performance of each of the protocol scores in OSA screening was tested. RESULTS: The nonparametric correlation of the apnea-hypopnea index (AHI) was significant for 18 of the 41 variables of the OMES protocol...
September 21, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28931780/association-between-severity-of-obstructive-sleep-apnea-and-glycated-hemoglobin-level-in-japanese-individuals-with-and-without-diabetes
#6
Hideaki Kurosawa, Yoshifumi Saisho, Koichi Fukunaga, Mizuha Haraguchi, Wakako Yamasawa, Isao Kurihara, Tomoko Betsuyaku, Hiroshi Itoh
Aim of this study was to examine the association between the severity of obstructive sleep apnea (OSA) and dysglycemia in Japanese individuals with and without type 2 diabetes (T2DM). We enrolled 115 individuals diagnosed with OSA with an apnea hypopnea-index (AHI) ≥ 20 in whom continuous positive airway pressure (CPAP) therapy was introduced (N = 115, 44 with T2DM, age 62 ± 11 years, BMI 27.0 ± 4.4 kg/m(2) and AHI median 36.1; interquartile range 27.2-48.1). During admission, the severity of OSA was evaluated by polysomnography, and its association with glycated hemoglobin (HbA1c) level was examined...
September 20, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28927491/effectiveness-of-intranasal-sodium-hyaluronate-in-mitigating-adverse-effects-of-nasal-continuous-positive-airway-pressure-therapy
#7
(no author information available yet)
BACKGROUND: Nasal continuous positive airway pressure (CPAP) in moderate-to-severe cases of obstructive sleep apnea cancause nasal discomfort and other undesirable problems. OBJECTIVE: The aim of our study was to test the effects of sodium hyaluronate on nasal problems that patients experienced in their daily lives, sleepiness, nasal resistance to airflow, nasal mucociliary clearance, changes in inflammatory markers, and compliance to CPAP in three groups of patients with obstructive sleep apnea syndrome on CPAP therapy...
September 19, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28926516/association-between-obesity-and-sleep-disorders-in-postmenopausal-women
#8
Maria Fernanda Naufel, Cristina Frange, Monica Levy Andersen, Manoel João Batista Castello Girão, Sergio Tufik, Eliane Beraldi Ribeiro, Helena Hachul
OBJECTIVE: To investigate the relationship between obesity and sleep architecture in postmenopausal women. METHODS: One hundred seven postmenopausal women from the Ambulatory of Integrative Treatment for Female Sleep Disorders were invited by telephone to participate in this study. Fifty-three completed the study. We included women aged 50 to 70 years, and excluded women on hormone therapy or missing data. The study consisted of two meetings, including a full-night polysomnography...
September 18, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28924264/neurocognitive-and-behavioral-functioning-in-adolescents-with-sleep-disordered-breathing-a-population-based-dual-energy-x-ray-absorptiometry-study
#9
S S Frye, J Fernandez-Mendoza, S L Calhoun, J Gaines, M D Sawyer, F He, D Liao, A N Vgontzas, E O Bixler
BACKGROUND/OBJECTIVES: Sleep disordered breathing (SDB) has been associated with neurocognitive and behavioral problems in young children; however, this association is less studied in adolescents. Evidence suggests that obesity plays a key role in the development of SDB, although its relative association with neurobehavioral functioning remains unclear. We examined whether SDB and obesity are associated with neurocognitive and behavior problems in adolescents. SUBJECTS/METHODS: 421 adolescents (17...
September 19, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28923022/the-association-of-sleep-disordered-breathing-with-left-ventricular-remodeling-in-cad-patients-a-cross-sectional-study
#10
Audrius Alonderis, Nijole Raskauskiene, Vaidute Gelziniene, Narseta Mickuviene, Julija Brozaitiene
BACKGROUND: There is still insufficient knowledge on the potential effect of mild to moderate sleep-disordered breathing (SDB) that is widely prevalent, often asymptomatic, and largely undiagnosed in patients with stable coronary artery disease (CAD). SDB affects 34% of men and 17% of women aged between 30 and 70. The objective of this study was to evaluate the association between SDB and left ventricular (LV) hypertrophy as well as structural remodeling in stable CAD patients. METHODS: The study was based on a cross-sectional design...
September 18, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28922573/diastolic-blood-pressure-rises-with-the-exacerbation-of-obstructive-sleep-apnea-in-males
#11
Wei Hu, Xian Jin, Chengjun Chen, Peng Zhang, Dandan Li, Qian Su, Guizhi Yin, Yanwen Hang
OBJECTIVE: To characterize the association pattern between blood pressure (BP), metabolism changes, and obstructive sleep apnea (OSA) severity within male OSA patients. METHODS: The association between systolic BP (SBP), diastolic BP (DBP), glucose, lipids, apnea-hypopnea index (AHI), oxygen desaturation index (ODI), and arousal index (ArI) was evaluated after adjustment for BMI and waist circumference/hip circumference ratio (WHR) in 1,370 male OSA patients. RESULTS: In the multiple linear regression models using SBP as an independent variable, SBP did not associate with the increase of any OSA indexes...
September 18, 2017: Obesity
https://www.readbyqxmd.com/read/28918088/evaluation-of-cerebrovascular-reactivity-in-subjects-with-and-without-obstructive-sleep-apnea
#12
Clodagh M Ryan, Anne Battisti-Charbonney, Olivia Sobczyk, David J Mikulis, James Duffin, Joseph A Fisher, Lashmi Venkatraghavan
BACKGROUND: Both obstructive sleep apnea (OSA) and altered cerebrovascular reactivity (CVR) are associated with increased stroke risk. Nevertheless, the incidence of abnormal CVR in patients with OSA is uncertain due to the high variability in the way CVR is measured both within and between studies. We hypothesized that a standardized CVR with a consistent vasoactive stimulus and cerebral blood flow (CBF) measure would be reduced in patients with severe OSA compared with healthy controls...
September 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28915135/otolaryngologic-management-of-down-syndrome-patients-what-is-new
#13
Ethan C Bassett, Mary F Musso
PURPOSE OF REVIEW: The management of children with Down syndrome as it pertains to the otolaryngologist continues to evolve. Obstructive sleep apnea (OSA) has dominated the recent literature, but other topics including hearing loss, swallowing, and perioperative considerations are also reported. RECENT FINDINGS: The prevalence of OSA in children with Down syndrome ranges from 57 to 73% in certain cohorts, and, whereas adentonsillectomy can decrease Apnea-Hypopnea Index, up to 80% may have persistent OSA...
September 14, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28913630/durability-of-treatment-effects-of-the-sleep-position-trainer-versus-oral-appliance-therapy-in-positional-osa-12-month-follow-up-of-a-randomized-controlled-trial
#14
Maurits H T de Ruiter, Linda B L Benoist, Nico de Vries, Jan de Lange
PURPOSE: The Sleep Position Trainer (SPT) is a new option for treating patients with positional obstructive sleep apnea (POSA). This study investigated long-term efficacy, adherence, and quality of life during use of the SPT device compared with oral appliance therapy (OAT) in patients with POSA. METHODS: This prospective, multicenter trial randomized patients with mild to moderate POSA (apnea-hypopnea index [AHI] 5-30/h) to SPT or OAT. Polysomnography was performed at baseline and after 3 and 12 months' follow-up...
September 15, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28910915/-assessment-of-sleep-disordered-breathing-using-hypoxia-index
#15
Y X Du, Y M Zeng, Z B Zhou, L M Huang
Objective: To analyze the clinical significance of hypoxia index (HI) in assessing the severity of hypoxemia in obstructive sleep apnoea hypopnea syndrome(OSAHS). Methods: A total of 127 patients with a complaint of snoring visiting our hospital were recruited from February 2014 to January 2016. All patients received polysomnography (PSG) test. The PSG results were analyzed by a technician and the SpO(2) data were analyzed by a pre-designed computer software. The patients were grouped according to apnea hypopnea index (AHI) and lowest oxygen saturation (LSpO(2)) respectively...
September 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28910892/-study-on-pharyngeal-wall-floppiness-of-patients-with-obstructive-sleep-apnea-hypopnea-syndrome-attributable-to-non-structural-factors
#16
Z Q Lin, K L Jiang, L Zhao, S N Li, S Shao, W Qian, Z Z Tao
Objective: Acoustic pharyngealmetry technology is utilized to evaluate the change and clinical significance of obstructive sleep apnea-hypopnea syndrome (OSAHS) patients caused by non-upper airway structural factor and normal individuals' PWF(pharyngeal wall floppiness). Methods: Acoustic pharyngealmetry instrument of Ecconvision was utilized to examine 102 OSAHS patients and 50 normal individuals, separately recorded their volume of pharyngeal cavity in sit or supine position, calculated PWF in sit or supine position, and SPSS 12...
September 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28910165/peripapillary-choroidal-thickness-and-retinal-nerve-fiber-layer-in-untreated-patients-with-obstructive-sleep-apnea-hypopnea-syndrome-a-case-control-study
#17
Serpil Yazgan, Fatma Erboy, Haci Ugur Celik, Tacettin Ornek, Suat Hayri Ugurbas, Firuzan Kokturk, Orhan Ayar, Mehmet Orcun Akdemir, Erkan Celik
PURPOSE: To evaluate peripapillary choroidal thickness (PPCT), central macular choroidal thickness (CMCT), and retinal nerve fiber layer (RNFL) thickness in untreated patients with obstructive sleep apnea-hypopnea syndrome (OSAHS). METHODS: This prospective, randomized, and comparative study was conducted in a university ophthalmology clinic. 106 eyes of 106 patients with OSAHS and 44 eyes of 44 healthy individuals were evaluated in this study. Only right eyes were evaluated...
September 14, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28906336/interobserver-consistency-of-drug-induced-sleep-endoscopy-in-diagnosing-obstructive-sleep-apnea-using-a-vote-classification-system
#18
Ahmet Altintaş, Burak Olgun, Yakup Yegin, Mustafa Çelik, Kamil Hakan Kaya, Arzu Karaman Koç, Fatma Tülin Kayhan
OBJECTIVES: To explore the interobserver consistency of drug-induced sleep endoscopy (DISE) for patients with obstructive sleep apnea syndrome (OSAS) and review the current literature. METHODS: In total, 55 patients with an apnea-hypopnea index >5, as determined by on overnight sleep study, were included in this study, 45 males and 10 females, with an average age of 46.87 ± 10.06 years old (range, 19-71). For all OSAS patients, DISE was performed by the same surgeon, which was recorded digitally...
September 12, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28901415/effect-of-continuous-positive-airway-pressure-therapy-on-inflammatory-cytokines-and-atherosclerosis-in-patients-with-obstructive-sleep-apnea-syndrome
#19
Fa Jin, Jiannan Liu, Xiuwei Zhang, Wei Cai, Yuqiong Zhang, Wei Zhang, Jian Yang, Gan Lu, Xilong Zhang
Obstructive sleep apnea syndrome (OSAS) is known to be a risk factor for atherosclerosis (AS), derived from a series of chronic inflammatory reactions caused by hypoxia. However, the association between chronic inflammation and high blood pressure caused by hypoxia remains to be fully elucidated. The aim of the present study was to investigate the effect of continuous positive airway pressure (CPAP) therapy on inflammatory cytokines and AS. A total of 100 patients with OSAS and 50 healthy control subjects were enrolled...
August 30, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28899542/predominant-obstructive-or-central-sleep-apnea-in-patients-with-atrial-fibrillation-influence-of-characterizing-apneas-versus-apneas-and-hypopneas
#20
Johanna Strotmann, Henrik Fox, Thomas Bitter, Florian Schindhelm, Klaus-Jürgen Gutleben, Dieter Horstkotte, Olaf Oldenburg
OBJECTIVE/BACKGROUND: Sleep-disordered breathing (SDB) is common in patients with atrial fibrillation (Afib). Although a high proportion of respiratory events are hypopneas, previous studies have only used apneas to differentiate obstructive (OSA) from central (CSA) sleep apnea. This study investigated the impact of using apneas and hypopneas versus apneas only to define the predominant type of SDB in Afib patients with preserved ejection fraction. PATIENTS/METHODS: This retrospective analysis was based on high-quality cardiorespiratory polygraphy (PG) recordings (07/2007-03/2016) that were re-analyzed using 2012 American Academy of Sleep Medicine criteria, with differentiation of apneas and hypopneas as obstructive or central...
September 2017: Sleep Medicine
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