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Complex sleep apnea syndrome

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https://www.readbyqxmd.com/read/29609707/the-role-of-functional-respiratory-imaging-in-treatment-selection-of-children-with-obstructive-sleep-apnea-and-down-syndrome
#1
Monique A L J Slaats, Dieter Loterman, Cedric van Holsbeke, Wim Vos, Kim Van Hoorenbeeck, Jan de Backer, Wilfried de Backer, Marek Wojciechowski, An Boudewyns, Stijn Verhulst
STUDY OBJECTIVES: The complexity of the pathogenesis of obstructive sleep apnea (OSA) in children with Down syndrome (DS) is illustrated by a prevalence of residual OSA after adenotonsillectomy. The aim of this study was to investigate whether upper airway imaging combined with computation fluid dynamics could characterize treatment outcome after adenotonsillectomy in these children. METHODS: Children with DS and OSA were prospectively included. All children underwent an evaluation of the upper airway and an ultra-low dose computed tomography scan of the upper airway before adenotonsillectomy...
March 30, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29577172/parafoveal-and-optic-disc-vessel-density-in-patients-with-obstructive-sleep-apnea-syndrome-an-optical-coherence-tomography-angiography-study
#2
Laura Moyal, Esther Blumen-Ohana, Marc Blumen, Cybele Blatrix, Frederic Chabolle, Jean-Philippe Nordmann
AIMS: To compare optic disc perfusion, radial peripapillary capillaries (RPC) and macular vascular density, between normal subjects and subjects with obstructive sleep apnea syndrome (OSAS) using spectral-domain OCT angiography (OCTA). METHODS: Sixteen eyes of patients with mild OSAS, 17 eyes with moderate OSAS, 20 eyes with severe OSAS on polygraphy and 28 controls were evaluated with OCTA RT XR Avanti (AngioVue software, Optovue Inc., Fremont, CA). Optic nerve head (ONH), RPC and macular vessel density were measured...
March 25, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29526887/the-impact-of-respiratory-events-on-the-autonomic-nervous-system-during-sleep
#3
Jiuxing Liang, Xiangmin Zhang, Yuxi Luo, Tingting Wang, Lin Sun, Shaoxiong Huang
Sleep apnea hypopnea syndrome (SAHS) is an independent risk factor for cardiovascular diseases. However, the pathophysiology between them is not yet clear. This paper seeks to understand how respiratory events impact the cardiovascular system by heart rate variability. We compared the differences between successional pathological respiratory events (PR) and pure normal respiration (NR) during sleep. The transitions between normal and pathological respiration (TR) were also analyzed. Thirteen patients who suffered moderate or severe SAHS were enrolled in this study...
March 12, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29440941/sleep-disturbances-in-women-with-polycystic-ovary-syndrome-prevalence-pathophysiology-impact-and-management-strategies
#4
REVIEW
Renae C Fernandez, Vivienne M Moore, Emer M Van Ryswyk, Tamara J Varcoe, Raymond J Rodgers, Wendy A March, Lisa J Moran, Jodie C Avery, R Doug McEvoy, Michael J Davies
Polycystic ovary syndrome (PCOS) is a complex endocrine disorder affecting the reproductive, metabolic and psychological health of women. Clinic-based studies indicate that sleep disturbances and disorders including obstructive sleep apnea and excessive daytime sleepiness occur more frequently among women with PCOS compared to comparison groups without the syndrome. Evidence from the few available population-based studies is supportive. Women with PCOS tend to be overweight/obese, but this only partly accounts for their sleep problems as associations are generally upheld after adjustment for body mass index; sleep problems also occur in women with PCOS of normal weight...
2018: Nature and Science of Sleep
https://www.readbyqxmd.com/read/29398406/indoor-air-humidity-air-quality-and-health-an-overview
#5
REVIEW
Peder Wolkoff
There is a long-standing dispute about indoor air humidity and perceived indoor air quality (IAQ) and associated health effects. Complaints about sensory irritation in eyes and upper airways are generally among top-two symptoms together with the perception "dry air" in office environments. This calls for an integrated analysis of indoor air humidity and eye and airway health effects. This overview has reviewed the literature about the effects of extended exposure to low humidity on perceived IAQ, sensory irritation symptoms in eyes and airways, work performance, sleep quality, virus survival, and voice disruption...
January 31, 2018: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29381611/decannulation-and-airway-outcomes-with-maxillomandibular-distraction-in-treacher-collins-and-nager-syndrome
#6
Nataliya I Biskup, Brian S Pan, Haithem Elhadi-Babiker, Ronald R Hathaway, John van Aalst, Christopher B Gordon
BACKGROUND: Treacher Collins syndrome is a rare disorder (1/50,000 live births) with features that include hypoplastic orbitozygomatic complex with downward slanting eyes, and maxillary/mandibular retrusion. Obstructive sleep apnea and tracheostomy-dependence are common. This study presents the outcomes of skeletal distraction on avoidance of tracheostomy and decannulation in this patient population. METHODS: The authors reviewed charts of all patients with Treacher Collins syndrome who underwent craniofacial reconstruction from 2003 to 2016...
January 29, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29246268/sleep-related-orgasms-in-a-57-year-old-woman-a-case-report
#7
Muna Irfan, Carlos H Schenck
We report a case of problematic spontaneous orgasms during sleep in a 57-year-old woman who also complained of hypnic jerks and symptoms of exploding head syndrome. To our knowledge, this is the first case report in the English language literature of problematic spontaneous orgasms during sleep. She had a complex medical and psychiatric history, and was taking oxycontin, venlafaxine, amitriptyline, and lurasidone. Prolonged video electroencephalogram monitoring did not record any ictal or interictal electroencephalogram discharges, and nocturnal video polysomnography monitoring did not record any behavioral or orgasmic event...
January 15, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29130961/endothelial-cell-derived-microparticles-from-patients-with-obstructive-sleep-apnea-hypoxia-syndrome-and-coronary-artery-disease-increase-aortic-endothelial-cell-dysfunction
#8
Lixin Jia, Jingyao Fan, Wei Cui, Sa Liu, Na Li, Wayne Bond Lau, Xinliang Ma, Jie Du, Shaoping Nie, Yongxiang Wei
BACKGROUND/AIMS: Obstructive sleep apnea hypoxia syndrome (OSAHS) is an independent risk factor for coronary artery disease (CAD). Treatment of OSAHS improves clinical outcome in some CAD patients, but the relationship between OSAHS and CAD is complex. Microparticles (MPs) are shed by the plasma membrane by either physiologic or pathologic stimulation. In the current study, we investigated the role of MPs in the context of OSAHS. METHODS AND RESULTS: 54 patients with both suspected coronary artery stenosis and OSAHS were recruited and underwent both coronary arteriography and polysomnography...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29130597/co-occurring-medical-conditions-in-adults-with-down-syndrome-a-systematic-review-toward-the-development-of-health-care-guidelines
#9
REVIEW
George T Capone, Brian Chicoine, Peter Bulova, Mary Stephens, Sarah Hart, Blythe Crissman, Andrea Videlefsky, Katherine Myers, Nancy Roizen, Anna Esbensen, Moya Peterson, Stephanie Santoro, Jason Woodward, Barry Martin, David Smith
Adults with Down syndrome (DS) represent a unique population who are in need of clinical guidelines to address their medical care. The United States Preventive Service Task Force (USPSTF) has developed criteria for prioritizing conditions of public health importance with the potential for providing screening recommendations to improve clinical care. The quality of existing evidence needed to inform clinical guidelines has not been previously reviewed. Using the National Library of Medicine (NLM) database PubMed, we first identified 18 peer reviewed articles that addressed co-occurring medical conditions in adults with DS...
January 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29129750/k-complex-morphological-features-in-male-obstructive-sleep-apnea-hypopnea-syndrome-patients
#10
Lin Sun, Xiangmin Zhang, Shaoxiong Huang, Jiuxing Liang, Yuxi Luo
This study characterized the differences in K-complex (KC) morphology features between obstructive sleep apnea-hypopnea syndrome (OSAHS) patients and healthy controls and analyzed the effect of respiratory events on KC morphology. We enrolled 42 male subjects (21 OSAHS patients and 21 age-matched healthy controls) who underwent overnight polysomnography. KCs in stage N2 were manually identified. We found that KCs in healthy controls had larger negative and whole amplitudes, longer durations, and smoother positive waves than OSAHS patients but smaller positive amplitudes...
January 2018: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29060714/usefulness-of-discrete-wavelet-transform-in-the-analysis-of-oximetry-signals-to-assist-in-childhood-sleep-apnea-hypopnea-syndrome-diagnosis
#11
Fernando Vaquerizo-Villar, Daniel Alvarez, Gonzalo C Gutierrez-Tobal, Veronica Barroso-Garcia, Leila Kheirandish-Gozal, Andrea Crespo, Felix Del Campo, David Gozal, Roberto Hornero
Sleep apnea hypopnea syndrome (SAHS) is a highly prevalent respiratory disorder that may cause many negative consequences for the health and development of children. The gold standard for diagnosis is the overnight polysomnography (PSG), which is a high cost, complex, intrusive, and time-demanding technique. To improve the early detection of pediatric SAHS, we propose an automated analysis of the SpO2 signal from nocturnal oximetry. A database composed of 298 SpO2 recordings from children ranging from 0 to 13 years old was used for this purpose...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28984599/sleep-apnea-cognitive-profile-and%C3%A2-vascular-changes-an-intriguing-relationship
#12
Laura Buratti, Giovanna Viticchi, Sara Baldinelli, Lorenzo Falsetti, Simona Luzzi, Alessandra Pulcini, Cristina Petrelli, Leandro Provinciali, Mauro Silvestrini
BACKGROUND: Sleep breathing disorders can affect cognitive performances through complex brain anatomical and functional changes. OBJECTIVE: Our aim was to evaluate the correlations between cognitive performances and obstructive sleep apnea syndrome (OSAS), as well as the possible influence of vascular factors. METHODS: Thirty-four non-demented OSAS patients and 34 controls were submitted to a neuropsychological evaluation and to a vascular screening including the study of cerebrovascular reactivity by means of the breath-holding index (BHI) calculation...
2017: Journal of Alzheimer's Disease: JAD
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...
December 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28863405/phantom-study-evaluating-detection-of-simulated-upper-airway-occlusion-using-piezoelectric-ultrasound-transducers
#14
Mohammad Al-Abed, Peter Antich, Donald E Watenpaugh, Khosrow Behbehani
Obstructive sleep apnea/hypopnea syndrome (OSAHS) is characterized by repetitive narrowing or full collapse of the upper airway concomitant with continued respiratory effort during sleep lasting 10s or more. OSAHS is the most prevalent form of sleep-disordered breathing, affecting more than 17% of the middle-aged U.S. POPULATION: Hence, many individuals need to be tested for having OSAHS. Currently, detection of airway occlusion due to OSAHS is achieved by indirect measurements, often requiring multiple sensor types, such as a flow transducer combined with chest and abdomen plethysmography...
August 24, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28791566/effects-of-antidepressants-on-sleep
#15
REVIEW
Adam Wichniak, Aleksandra Wierzbicka, Małgorzata Walęcka, Wojciech Jernajczyk
PURPOSE OF REVIEW: The aim of this review article was to summarize recent publications on effects of antidepressants on sleep and to show that these effects not only depend on the kind of antidepressant drugs but are also related to the dose, the time of drug administration, and the duration of the treatment. RECENT FINDINGS: Complaints of disrupted sleep are very common in patients suffering from depression, and they are listed among diagnostic criteria for this disorder...
August 9, 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28777366/-complex-sleep-apnea-syndrome
#16
A D Palman
Complex sleep apnea syndrome (Comp-SAS) is the term used to describe a specific form of sleep disordered breathing characterized by the arise of central sleep apnea in patient with previous obstructive sleep apnea syndrome (OSAS) treated with continuous positive airway pressure devices (CPAP). The mechanisms of its occurrence are not well understood, but partly it seems to be a consequence of increased carbon dioxide elimination under positive airway pressure treatment and related improvement of pulmonary ventilation...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28697968/update-on-pathophysiology-and-treatment-of-childhood-obstructive-sleep-apnea-syndrome
#17
REVIEW
Justin C Brockbank
Obstructive sleep apnea syndrome (OSAS) is common in childhood and is characterized by recurrent upper airway obstructive events during sleep that produce significant neurocognitive and cardiovascular sequelae. The pathophysiology of childhood OSAS is complex and involves mechanical airway obstruction often secondary to adenotonsillar hypertrophy. However, neuromotor abnormalities and instability of central ventilatory control are also implicated. Several surgical and non-surgical treatment options for childhood OSAS are available, and will be discussed...
September 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28696497/role-of-ca2-and-ion-channels-in-the-regulation-of-apoptosis-under-hypoxia
#18
REVIEW
Miaohong Wang, Jin Tan, Yuyang Miao, Mengmeng Li, Qiang Zhang
Hypoxia is a kind of common pathological condition existing in various diseases such as sleep apnea syndrome, myocardial infarction and stroke, which can precipitate the onset of diseases through inducing cell apoptosis. Ca²⁺ is the ubiquitous message in cell. Given the crucial role of Ca2²⁺ in physiology, intracellular Ca²⁺ overload is a significant regulator of apoptosis. Numerous experiments show that hypoxia may cause changes of multiple cellular Ca²⁺ channels, for instance, Na⁺/ Ca²⁺ Exchanger (NCX), L-type voltage dependent Ca²⁺ channel (L-VDCC), inositol triphosphate receptors (IP3R) and so on, which contribute to intracellular Ca²⁺ overload, thus eventually triggering cell apoptosis...
July 11, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28652832/cognitive-behavioral-therapy-to-aid-weight-loss-in-obese-patients-current-perspectives
#19
REVIEW
Gianluca Castelnuovo, Giada Pietrabissa, Gian Mauro Manzoni, Roberto Cattivelli, Alessandro Rossi, Margherita Novelli, Giorgia Varallo, Enrico Molinari
Obesity is a chronic condition associated with risk factors for many medical complications and comorbidities such as cardiovascular diseases, some types of cancer, osteoarthritis, hypertension, dyslipidemia, hypercholesterolemia, type-2 diabetes, obstructive sleep apnea syndrome, and different psychosocial issues and psychopathological disorders. Obesity is a highly complex, multifactorial disease: genetic, biological, psychological, behavioral, familial, social, cultural, and environmental factors can influence in different ways...
2017: Psychology Research and Behavior Management
https://www.readbyqxmd.com/read/28632506/adenotonsillectomy-for-the-management-of-pulmonary-hypertension-in-a-patient-with-complex-congenital-heart-disease-a-case-report
#20
Adam C Adler, Yuan-Jiun Nicole Chao
Pulmonary hypertension is a feared complication in congenital heart disease patients. Patients with pulmonary hypertension are at risk for major perioperative cardiopulmonary complications when undergoing any surgical procedure, especially airway and laparoscopic procedures. We present the anesthetic management for a 2-year old with Down syndrome and complex cyanotic congenital heart disease undergoing tonsillectomy and adenoidectomy for severe obstructive sleep apnea.
November 15, 2017: A & A Case Reports
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