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https://www.readbyqxmd.com/read/29226069/do-older-adults-need-sleep-a-review-of-neuroimaging-sleep-and-aging-studies
#1
Michael K Scullin
Purpose of Review: Sleep habits, sleep physiology, and sleep disorders change with increasing age. However, there is a longstanding debate regarding whether older adults need sleep to maintain health and daily functioning (reduced-sleep-need view). An alternative possibility is that all older adults need sleep, but that many older adults have lost the ability to obtain restorative sleep (reduced-sleep-ability view). Prior research using behavioral and polysomnography outcomes has not definitively disentangled the reduced-sleep-need and reduced-sleep-ability views...
September 2017: Current Sleep Medicine Reports
https://www.readbyqxmd.com/read/29223509/neuropeptides-and-breathing-in-health-and-disease
#2
REVIEW
Katarzyna Kaczyńska, Dominika Zając, Piotr Wojciechowski, Ewelina Kogut, Małgorzata Szereda-Przestaszewska
Regulatory neuropeptides control and regulate breathing in physiological and pathophysiological conditions. While they have been identified in the neurons of major respiratory areas, they can be active not only at the central level, but also at the periphery via chemoreceptors, vagal afferents, or locally within lungs and airways. Some neuropeptides, such as leptin or substance P, are respiratory stimulants; others, such as neurotensin, produce variable effects on respiration depending on the site of application...
December 6, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29221784/assessment-of-intervention-related-changes-in-non-rapid-eye-movement-sleep-depth-importance-of-sleep-depth%C3%A2-changes-within-stage-2
#3
Sultan Qanash, Eleni Giannouli, Magdy Younes
OBJECTIVES: Depth of sleep within non-rapid-eye-movement (non-REM) stage-2 (N2-depth) varies from being nearly similar to stage-1 to nearly similar to stage-3. Differences in N2-depth are not captured by conventional indices of sleep depth (N1-N3 times, arousal/awakening index) when comparing sleep depth under different conditions. Magnitude of changes in N2-depth in the same individual under different experimental conditions, and the importance of measuring these changes are unknown...
December 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29209391/korean-brain-aging-study-for-the-early-diagnosis-and-prediction-of-alzheimer-s-disease-methodology-and-baseline-sample-characteristics
#4
Min Soo Byun, Dahyun Yi, Jun Ho Lee, Young Min Choe, Bo Kyung Sohn, Jun-Young Lee, Hyo Jung Choi, Hyewon Baek, Yu Kyeong Kim, Yun-Sang Lee, Chul-Ho Sohn, Inhee Mook-Jung, Murim Choi, Yu Jin Lee, Dong Woo Lee, Seung-Ho Ryu, Shin Gyeom Kim, Jee Wook Kim, Jong Inn Woo, Dong Young Lee
Objective: The Korean Brain Aging Study for the Early Diagnosis and Prediction of Alzheimer's disease (KBASE) aimed to recruit 650 individuals, aged from 20 to 90 years, to search for new biomarkers of Alzheimer's disease (AD) and to investigate how multi-faceted lifetime experiences and bodily changes contribute to the brain changes or brain pathologies related to the AD process. Methods: All participants received comprehensive clinical and neuropsychological evaluations, multi-modal brain imaging, including magnetic resonance imaging, magnetic resonance angiography, [11C]Pittsburgh compound B-positron emission tomography (PET), and [18F]fluorodeoxyglucose-PET, blood and genetic marker analyses at baseline, and a subset of participants underwent actigraph monitoring and completed a sleep diary...
November 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/29207559/tooth-wear-is-frequent-in-adult-patients-with-celiac-disease
#5
Massimo Amato, Fabiana Zingone, Mario Caggiano, Paola Iovino, Cristina Bucci, Carolina Ciacci
(1) Background: Celiac disease (CD) patients can be affected by mouth and tooth disorders, which are influenced by their gluten-free diet. The aim of our research was to evaluate the pathological conditions of the stomatognathic system observed in celiac patients on a gluten-free diet. (2) Methods: we consecutively recruited celiac patients on a gluten-free diet at our celiac center, as well as healthy volunteers. Two dentists examined all patients/controls and checked them for any mouth disorder. (3) Results: Forty-nine patients affected by celiac disease (age at test 31...
December 4, 2017: Nutrients
https://www.readbyqxmd.com/read/29202829/prevalence-and-risk-factors-of-moderate-to-severe-obstructive-sleep-apnea-syndrome-in-major-depression-a-observational-and-retrospective-study-on-703-subjects
#6
Matthieu Hein, Jean-Pol Lanquart, Gwenolé Loas, Philippe Hubain, Paul Linkowski
BACKGROUND: Several studies have investigated the prevalence and risk factors of depression in subjects with obstructive sleep apnea syndrome. However, few studies have investigated the prevalence and risk factors for obstructive sleep apnea syndrome in major depression. The aim of this study was to examine the prevalence and risk factors of moderate to severe obstructive sleep apnea syndrome in a large sample of individuals with major depression. METHODS: Data from 703 individuals with major depression recruited from the research database of the sleep laboratory of the Erasme Hospital were analysed...
December 4, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29197196/analysis-of-the-prevalence-of-mental-disorders-in-psoriasis-the-relevance-of-psychiatric-assessment-in-dermatology
#7
Bárbara Roque Ferreira, José Luís Pio-Abreu, José Pedro Reis, Américo Figueiredo
BACKGROUND: The boundary between Dermatology and Psychiatry has increasing recognition. Psoriasis is a common psychophysiological skin disease with a major impact on patient's quality of life and a paradigmatic example of a pathology in that boundary. Studies are needed to exactly point out the prevalence of specific psychopathology and mental disorders associated with psoriasis. This work intends to analyse the prevalence of psychopathology and psychiatric comorbidities in patients with psoriasis...
December 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/29170853/brain-networks-are-independently-modulated-by-donepezil-sleep-and-sleep-deprivation
#8
Jonathan Wirsich, Marc Rey, Maxime Guye, Christian Bénar, Laura Lanteaume, Ben Ridley, Sylviane Confort-Gouny, Catherine Cassé-Perrot, Elisabeth Soulier, Patrick Viout, Franck Rouby, Marie-Noëlle Lefebvre, Christine Audebert, Romain Truillet, Elisabeth Jouve, Pierre Payoux, David Bartrés-Faz, Régis Bordet, Jill C Richardson, Claudio Babiloni, Paolo Maria Rossini, Joelle Micallef, Olivier Blin, Jean-Philippe Ranjeva
Resting-state connectivity has been widely studied in the healthy and pathological brain. Less well-characterized are the brain networks altered during pharmacological interventions and their possible interaction with vigilance. In the hopes of finding new biomarkers which can be used to identify cortical activity and cognitive processes linked to the effects of drugs to treat neurodegenerative diseases such as Alzheimer's disease, the analysis of networks altered by medication would be particularly interesting...
November 23, 2017: Brain Topography
https://www.readbyqxmd.com/read/29153862/tumor-necrosis-factor-alpha-in-sleep-regulation
#9
REVIEW
Matthew D Rockstrom, Liangyu Chen, Ping Taishi, Joseph T Nguyen, Cody M Gibbons, Sigrid C Veasey, James M Krueger
This review details tumor necrosis factor alpha (TNF) biology and its role in sleep, and describes how TNF medications influence sleep/wake activity. Substantial evidence from healthy young animals indicates acute enhancement or inhibition of endogenous brain TNF respectively promotes and inhibits sleep. In contrast, the role of TNF in sleep in most human studies involves pathological conditions associated with chronic elevations of systemic TNF and disrupted sleep. Normalization of TNF levels in such patients improves sleep...
November 16, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/29151103/immunoregulatory-role-of-cannabinoids-during-infectious-disease
#10
Rosalía Hernández-Cervantes, Mónica Méndez-Díaz, Óscar Prospéro-García, Jorge Morales-Montor
Although the endocannabinoid system (ECS) is involved in the regulation of several physiological processes, including sleep and the immune response, its role during infections has not been fully studied. It is well known that the use of this drug increases susceptibility to infections because of the impact on the modulation of the immune system. Concerning the medicinal or recreational use of marijuana, its influence on the course of an infection, whether this has been caused by bacteria, viruses, parasites, and to a lesser degree, fungi, has been reported...
November 18, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/29146117/implications-of-disturbances-in-circadian-rhythms-for-cardiovascular-health-a-new-frontier-in-free-radical-biology
#11
REVIEW
Neelam Khaper, Craig D C Bailey, Nilesh R Ghugre, Cristine Reitz, Zikra Awosanmi, Ryan Waines, Tami A Martino
Cell autonomous circadian "clock" mechanisms are present in virtually every organ, and generate daily rhythms that are important for normal physiology. This is especially relevant to the cardiovascular system, for example the circadian mechanism orchestrates rhythms in heart rate, blood pressure, cardiac contractility, metabolism, gene and protein abundance over the 24-hour day and night cycles. Conversely, disturbing circadian rhythms (e.g. via shift work, sleep disorders) increases cardiovascular disease risk, and exacerbates cardiac remodelling and worsens outcome...
November 13, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29144185/rest-activity-circadian-rhythm-and-sleep-quality-in-patients-with-binge-eating-disorder
#12
E Roveda, A Montaruli, L Galasso, C Pesenti, E Bruno, P Pasanisi, M Cortellini, S Rampichini, S Erzegovesi, A Caumo, F Esposito
Recent findings suggest that altered rest-activity circadian rhythms (RARs) are associated with a compromised health status. RARs abnormalities have been observed also in several pathological conditions, such as cardiovascular, neurological, and cancer diseases. Binge eating disorder (BED) is the most common eating disorder, with a prevalence of 3.5% in women and 2% in men. BED and its associate obesity and motor inactivity could induce RARs disruption and have negative consequences on health-related quality of life...
November 16, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29137851/evaluation-of-positional-plagiocephaly-conventional-anthropometric-measurement-versus-laser-scanning-method
#13
Susanne Nahles, Martin Klein, Anke Yacoub, Julia Neyer
BACKGROUND: The incidence of plagiocephaly has increased in the 25 years since the "Back to Sleep" campaign in 1991 to prevent sudden infant death. Plagiocephaly is not considered to be a pathological condition. It is more of an esthetic impairment and could have potentially negative psychological or psychosocial consequences; therefore, treatment is recommended. The aim of this study is to compare conventional anthropometry and laser scanning - two different measurement methods - as diagnostic instruments for plagiocephaly...
October 16, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29133062/anatomical-and-physiological-basis-of-continuous-spike-wave-of-sleep-syndrome-after-early-thalamic-lesions
#14
Alberto Leal, Eulália Calado, José P Vieira, Carla Mendonça, José C Ferreira, Hugo Ferreira, Daniel Carvalho, Fátima Furtado, Roseli Gomes, José P Monteiro
OBJECTIVE: Early neonatal thalamic lesions account for about 14% of continuous spike-wave of sleep (CSWS) syndrome, representing the most common etiology in this epileptic encephalopathy in children, and promise useful insights into the pathophysiology of the disease. METHODS: We describe nine patients with unilateral neonatal thalamic lesions which progressed to CSWS. Longitudinal whole-night and high-density electroencephalograms (EEGs) were performed, as well as detailed imaging and clinical evaluation...
November 10, 2017: Epilepsy & Behavior: E&B
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
#15
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...
November 1, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29126903/the-influence-of-sleep-on-human-hypothalamic-pituitary-adrenal-hpa-axis-reactivity-a-systematic-review
#16
REVIEW
Jens H van Dalfsen, C Rob Markus
Inadequate sleep is highly prevalent and known to decline both physical- and mental health. Literature suggests that altered functioning of the hypothalamic-pituitary-adrenal (HPA) axis might underlie this association. This assumption is mainly based on changes in basal neuroendocrine activity and it is of equal importance to elucidate whether sleep may also influence HPA stress responsiveness. The present review provides a complete outline of recent human studies that have investigated how different aspects of sleep influence cortisol reactivity to laboratory stress...
October 18, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/29120660/-adenosine-a-mediator-with-multisystemic-effects-or-a-hormone
#17
Zora Lazúrová, Peter Mitro
Adenosine is a nucleoside regulating many physiological and pathological processes in human organism. It is produced by almost all cells and is metabolised by adenosinedeaminase enzyme. Effect of adenosine is mediated by three types of adenosine receptors. Adenosinergic system significantly influences function of cardiovascular system, furthemore it plays a key role in sleep homeostasis, in regulation of bone metabolism and activation of immune system. Adenosine mediates effect of various hormones, but also adenosine itself has its own autocrine, paracrine and systemic effects...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29114876/translating-carotid-body-function-into-clinical-medicine
#18
Rodrigo Iturriaga
The carotid body (CB) is considered the main O2 chemoreceptor, which contributes to the cardiorespiratory homeostasis and ventilatory acclimatization. In clinical medicine, the most common pathology associated with the CB are tumours. However, a growing body of evidences supports the novel idea that an enhanced CB chemosensory discharge contributes to the autonomic dysfunction and pathological consequences in obstructive sleep apnoea (OSA), hypertension, systolic heart failure (HF) and cardiometabolic diseases...
November 8, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29113719/utilization-of-independent-component-analysis-for-accurate-pathological-ripple-detection-in-intracranial-eeg-recordings-recorded-extra-and-intra-operatively
#19
Shoichi Shimamoto, Zachary J Waldman, Iren Orosz, Inkyung Song, Anatol Bragin, Itzhak Fried, Jerome Engel, Richard Staba, Ashwini Sharan, Chengyuan Wu, Michael R Sperling, Shennan A Weiss
OBJECTIVE: To develop and validate a detector that identifies ripple (80-200 Hz) events in intracranial EEG (iEEG) recordings in a referential montage and utilizes independent component analysis (ICA) to eliminate or reduce high-frequency artifact contamination. Also, investigate the correspondence of detected ripples and the seizure onset zone (SOZ). METHODS: iEEG recordings from 16 patients were first band-pass filtered (80-600 Hz) and Infomax ICA was next applied to derive the first independent component (IC1)...
October 25, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29102282/sleep-and-alzheimer-s-disease-a-pivotal-role-for-the-suprachiasmatic-nucleus
#20
REVIEW
Jan Van Erum, Debby Van Dam, Peter Paul De Deyn
Alzheimer's disease (AD), which accounts for most of the dementia cases, is, aside from cognitive deterioration, often characterized by the presence of non-cognitive symptoms. Society is desperately in need for interventions that alleviate the economic and social burden related to AD. Circadian dysrhythmia, one of these symptoms in particular, immensely decreases the self-care ability of AD patients and is one of the main reasons of caregiver exhaustion. Studies suggest that these circadian disturbances form the root of sleep-wake problems, diagnosed in more than half of AD patients...
July 28, 2017: Sleep Medicine Reviews
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