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Complex sleep apnea

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https://www.readbyqxmd.com/read/28230307/cdkl5-deficiency-entails-sleep-apneas-in-mice
#1
Viviana Lo Martire, Sara Alvente, Stefano Bastianini, Chiara Berteotti, Alessandro Silvani, Alice Valli, Rocchina Viggiano, Elisabetta Ciani, Giovanna Zoccoli
A recently discovered neurodevelopmental disorder caused by the mutation of the cyclin-dependent kinase-like 5 gene (CDKL5) entails complex autistic-like behaviours similar to Rett syndrome, but its impact upon physiological functions remains largely unexplored. Sleep-disordered breathing is common and potentially life-threatening in patients with Rett syndrome; however, evidence is limited in children with CDKL5 disorder, and is lacking altogether in adults. The aim of this study was to test whether the breathing pattern during sleep differs between adult Cdkl5 knockout (Cdkl5-KO) and wild-type (WT) mice...
February 23, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28227198/a-new-algorithm-for-the-detection-of-sleep-apnea-events-in-respiration-signals
#2
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/28203222/unexpected-death-of-a-child-with-complex-febrile-seizures-pathophysiology-similar-to-sudden-unexpected-death-in-epilepsy
#3
Brian J Dlouhy, Michael A Ciliberto, Christina L Cifra, Patricia A Kirby, Devin L Shrock, Marcus Nashelsky, George B Richerson
Febrile seizures are usually considered relatively benign. Although some cases of sudden unexplained death in childhood have a history of febrile seizures, no documented case of febrile seizure-induced death has been reported. Here, we describe a child with complex febrile seizures who died suddenly and unexpectedly after a suspected seizure while in bed at night during the beginning phases of sleep. She was resuscitated and pronounced brain dead 2 days later at our regional medical center. Autopsy revealed multiorgan effects of hypoperfusion and did not reveal an underlying (precipitating) disease, injury, or toxicological cause of death...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28185772/impact-of-weight-loss-management-in-osa
#4
REVIEW
Simon A Joosten, Garun S Hamilton, Matthew T Naughton
The interaction between obesity and obstructive sleep apnea (OSA) is complex. Whilst it is often assumed that obesity is the major cause of OSA, and that treatment of the OSA might mitigate further weight gain, new evidence is emerging that suggest these statements may not be the case. Obesity explains about 60% of the variance of the apnea hypopnea index definition of OSA, mainly in those < 50 years and less so in the elderly. Moreover, long term treatment of OSA with continuous positive airway pressure is associated with small but significant weight gain...
February 6, 2017: Chest
https://www.readbyqxmd.com/read/28138246/association-of-peripheral-neuropathy-with-sleep-related-breathing-disorders-in-myotonic-dystrophies
#5
Marta Banach, Jakub Antczak, Rafał Rola
BACKGROUND: Myotonic dystrophy (DM) type 1 and type 2 are inherited diseases characterized by myotonia and myopathy. Additional symptoms include, among others, peripheral neuropathy and sleep-related breathing disorders (SRBDs). There is growing evidence for a complex association between DM1 and DM2, which was described in patients with diabetes mellitus and in the general population. In this study, we investigated whether there is an association between peripheral neuropathy and SRBDs also in the population of patients with DM...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28132683/probability-of-accurate-heart-failure-diagnosis-and-the-implications-for-hospital-readmissions
#6
Sandra A Carey, Kyle Bass, Giovanna Saracino, Cara A East, Joost Felius, Paul A Grayburn, Ravi C Vallabhan, Shelley A Hall
Heart failure (HF) is a complex syndrome with inherent diagnostic challenges. We studied the scope of possibly inaccurately documented HF in a large health care system among patients assigned a primary diagnosis of HF at discharge. Through a retrospective record review and a classification schema developed from published guidelines, we assessed the probability of the documented HF diagnosis being accurate and determined factors associated with HF-related and non-HF-related hospital readmissions. An arbitration committee of 3 experts reviewed a subset of records to corroborate the results...
January 5, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28126503/-pathophysiology-of-obstructive-sleep-apnea-syndrome-and-its-cardiometabolic-consequences
#7
Marie Destors, Renaud Tamisier, Louis-Marie Galerneau, Patrick Lévy, Jean-Louis Pepin
Obstructive sleep apnoea syndrome (OSAS) is characterized by recurrent partial or complete pharyngeal collapses during sleep. The pathophysiology of OSAS is complex and multifactorial. Factors influencing upper airway patency include a reduction in upper airway dimensions that can result from both anatomical and functional alterations (obesity, fluid shift or maxillo-facial structural changes), and increased pharyngeal collapsibility owing to reduced neuromuscular compensation and lack of the pharyngeal protective reflex during sleep...
January 23, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28114214/craniofacial-deviations-in-the-children-with-nasal-obstruction
#8
Ayca Ant, Yusuf Kemal Kemaloglu, Metin Yilmaz, Alper Dilci
Nasal obstruction mainly caused by adenoid hypertrophy in children affects the craniofacial growth and development process, and the craniofacial deviations and/or differences reported in the children are very similar to those in the adults with obstructive sleep apnea syndrome (OSAS). The authors aimed to look for relationships of the linear craniofacial dimensions in the children suffering from nasal obstruction with age, degree of clinical nasal obstruction score (CNOS), and relative size of the adenoid mass within the nasopharynx in their study...
January 20, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28063152/dysfunction-of-central-control-of-breathing-in-amyotrophic-lateral-sclerosis
#9
Bradley N Howell, Daniel S Newman
Dysfunction in central control of breathing in some amyotrophic lateral sclerosis (ALS) patients is not adequately detected with standard evaluation for respiratory dysfunction. Nocturnal oximetry reveals periodic desaturations despite normal respiratory muscle movements. Continuous diaphragmatic electromyography has provided in vivo data consistent with impaired central control of diaphragm motor units. Current understanding of central control of breathing identifies the pre-Botzinger complex as the inspiratory rhythm generator...
January 7, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28052557/adenotonsillectomy-to-treat-obstructive-sleep-apnea-is-it-enough
#10
REVIEW
A Boudewyns, F Abel, E Alexopoulos, M Evangelisti, A Kaditis, S Miano, M P Villa, S L Verhulst
Although adenotonsillectomy is the first line treatment for children with obstructive sleep apnea syndrome (0SAS),(1) improvement in objectively documented outcomes is often inadequate and a substantial number of children have residual disease. Early recognition and treatment of children with persistent OSAS is required to prevent long-term morbidity. The management of these children is frequently complex and a multidisciplinary approach is required as most of them have additional risk factors for OSAS and comorbidities...
January 3, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28029756/when-and-why-to-treat-the-child-who-snores
#11
Hui-Leng Tan, Maria Luz Alonso Alvarez, Marina Tsaoussoglou, Silke Weber, Athanasios G Kaditis
Obstructive sleep-disordered breathing (SDB) can result in cardiovascular and neurocognitive morbidity as well as adversely affect behavior, growth, quality of life, and nocturnal continence. This article summarizes the latest evidence regarding the morbidity related to obstructive SDB, commenting on the impact of severity of obstruction, that is, the difference in effects seen of moderate to severe obstructive sleep apnea syndrome (OSAS) compared to those of mild OSAS or primary snoring. The impact of therapy is discussed, focusing on which children are likely to benefit from treatment interventions; namely those with moderate or severe OSAS irrespective of the presence of morbidity, children with mild OSAS with associated morbidity or predictors of SDB persistence such as obesity, and children with complex conditions accompanied by upper airway obstruction like craniosynostosis and Prader-Willi syndrome...
March 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28005735/subtypes-of-maxillomandibular-advancement-surgery-for-patients-with-obstructive-sleep-apnea
#12
Won-June Lee, Dong-Hyun Hwang, Stanley Yung-Chuan Liu, Su-Jung Kim
Maxillomandibular advancement (MMA) surgery, which is the most effective treatment modality for patients with moderate-to-severe obstructive sleep apnea with apparent skeletal discrepancies, has been modified in conjunction with segmental osteotomies, counterclockwise rotation of maxillomandibular complex, and other adjunctive procedures. However, any single type of MMA could not treat or cure all the patients with obstructive sleep apnea showing different dentofacial and pharyngeal patterns. We aimed to suggest critical decision factors for the selective application of MMA subtypes, categorized as straight MMA with genioplasty, rotational MMA, segmental MMA, and segmental-rotational MMA, in the surgical treatment objective process: anteroposterior position of maxilla, upper lip projection, overjet, lower incisor inclination as sagittal factors, and upper incisor exposure and occlusal plane angle as vertical factors...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27994605/the-triad-of-sleep-apnea-hypertension-and-chronic-kidney-disease-a-spectrum-of-common-pathology
#13
REVIEW
Fahad Aziz, Kunal Chaudhary
Obstructive sleep apnea (OSA), hypertension, and chronic kidney disease (CKD) are different entities and are generally managed individually most of the time. However, CKD, OSA, and hypertension share many common risk factors and it is not uncommon to see this complex triad together. In fact, they share similar pathophysiology and have been interlinked with each other. The common pathophysiology includes chronic volume overload, hyperaldosteronism, increased sympathetic activity, endothelial dysfunction, and increased inflammatory markers...
November 2016: Cardiorenal Medicine
https://www.readbyqxmd.com/read/27923433/circulating-anti-coatomer-protein-complex-subunit-epsilon-cope-autoantibodies-as-a-potential-biomarker-for-cardiovascular-and-cerebrovascular-events-in-patients-with-obstructive-sleep-apnea
#14
Takuma Matsumura, Jiro Terada, Taku Kinoshita, Yoriko Sakurai, Misuzu Yahaba, Ryogo Ema, Atsuko Amata, Seiichiro Sakao, Kengo Nagashima, Koichiro Tatsumi, Takaki Hiwasa
STUDY OBJECTIVES: Although moderate to severe obstructive sleep apnea (OSA) is an independent risk factor for severe arteriosclerotic diseases such as cardiovascular disease (CVD) and stroke, the development of atherosclerosis-related diseases cannot yet be predicted in OSA patients. In a pilot study, we identified autoantibodies against the coatomer protein complex, subunit epsilon [circulating anti-coatomer protein complex subunit epsilon autoantibody (COPE-Ab)], a cytosolic complex that mediates protein transport in the Golgi compartment, as a potential novel biomarker of atherosclerosis...
November 28, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/27913972/in-hospital-diagnosis-of-sleep-apnea-in-stroke-patients-using-a-portable-acoustic-device
#15
Clodagh M Ryan, Kelly Wilton, T Douglas Bradley, Hisham Alshaer
PURPOSE: Sleep apnea (SA) is highly prevalent in post-stroke patients. Due to physical disability and relative inaccessibility of polysomnography (PSG) to test for SA, patients with stroke frequently remain undiagnosed and untreated. Portable SA monitoring can facilitate at-home or in-hospital testing for SA. However, portable SA monitoring is not recommended in those with complex medical conditions, such as stroke, due to the lack of validation of portable monitoring in such patients...
December 2, 2016: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/27890604/gender-dimorphism-in-pediatric-osa-is-it-for-real
#16
REVIEW
Pablo E Brockmann, Dorit Koren, Leila Kheirandish-Gozal, David Gozal
In epidemiologic studies focused on adults, obstructive sleep apnea (OSA) has higher prevalence in men than in women. The evidence supporting a gender-related discrepant prevalence of OSA is however much more tenuous in children. Here, we aimed to review the evidence concerning gender- based differences in the prevalence of OSA in children, and if so, to examine the evidence with the intent to identify potential factors that may account for this putative association. Gender-based perception and reporting of clinical manifestations of OSA may be modulated by several social and cultural factors in children...
November 23, 2016: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/27886849/prevalence-and-burden-of-comorbidities-in-chronic-obstructive-pulmonary-disease
#17
REVIEW
Alexandru Corlateanu, Serghei Covantev, Alexander G Mathioudakis, Victor Botnaru, Nikolaos Siafakas
The classical definition of Chronic Obstructive Pulmonary Disease (COPD) as a lung condition characterized by irreversible airway obstruction is outdated. The systemic involvement in patients with COPD, as well as the interactions between COPD and its comorbidities, justify the description of chronic systemic inflammatory syndrome. The pathogenesis of COPD is closely linked with aging, as well as with cardiovascular, endocrine, musculoskeletal, renal, and gastrointestinal pathologies, decreasing the quality of life of patients with COPD and, furthermore, complicating the management of the disease...
November 2016: Respiratory Investigation
https://www.readbyqxmd.com/read/27857512/respiratory-manifestations-in-endocrine-diseases
#18
REVIEW
Codruţa Lencu, Teodora Alexescu, Mirela Petrulea, Monica Lencu
The control mechanisms of respiration as a vital function are complex: voluntary - cortical, and involuntary - metabolic, neural, emotional and endocrine. Hormones and hypothalamic neuropeptides (that act as neurotrasmitters and neuromodulators in the central nervous system) play a role in the regulation of respiration and in bronchopulmonary morphology. This article presents respiratory manifestations in adult endocrine diseases that evolve with hormone deficit or hypersecretion. In hyperthyroidism, patients develop ventilation disorders, obstructive and central sleep apnea, and pleural collection...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27829262/-upper-airway-stimulation-in-osa
#19
B Bender
Anatomical basis of obstructive sleep apnea (OSA) is the collapse of the pharynx during sleep. It is considered as a result of complex interactions of structural and neuromuscular factors. Depth of sleep and body position have modulating effects. Although different areas of obstruction were identified, studies show that the sleep-mediated obstruction frequently occurs in the base of tongue area.Continuous positive airway pressure (CPAP) is the standard treatment for obstructive sleep apnea syndrome (OSAS) since more than 30 years...
November 2016: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/27818084/obstructive-sleep-apnea-and-energy-balance-regulation-a-systematic-review
#20
REVIEW
Ari Shechter
: Obesity and obstructive sleep apnea (OSA) have a reciprocal relationship. Sleep disruptions characteristic of OSA may promote behavioral, metabolic, and/or hormonal changes favoring weight gain and/or difficulty losing weight. The regulation of energy balance (EB), i.e., the relationship between energy intake (EI) and energy expenditure (EE), is complex and multi-factorial, involving food intake, hormonal regulation of hunger/satiety/appetite, and EE via metabolism and physical activity (PA)...
July 15, 2016: Sleep Medicine Reviews
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