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Treatment-emergent central sleep apnea in patients treated with a mandibular advancement device.
Sleep Med
January 2025
CHU Angers, Department of Respiratory and Sleep Medicine, F-49933, Angers, France; Univ Angers, Faculty of Medicine, F-49000 Angers, France.
Objectives: Treatment-emergent central sleep apnea (TECSA) is well established in continuous positive airway pressure therapy but was barely studied in mandibular advancement device (MAD) treatment. This study aims to evaluate the prevalence of TECSA in patients treated with a MAD and to determine its risk factors and clinical relevance.
Materials And Methods: A total of 139 patients from the IRSR Pays de la Loire Sleep Cohort suffering from snores or obstructive sleep apnea syndrome (OSAS) and treated with a custom-made titratable MAD were included.
Comparing Five Generations of ActiGraph Devices using an Orbital Shaker.
Med Sci Sports Exerc
January 2025
Energy Metabolism Section, National Institute of Diabetes, Digestive and Kidney Diseases, Diabetes, Endocrinology, and Obesity Branch, National Institutes of Health (NIH), Bethesda, MD.
Introduction: ActiGraph accelerometers are used extensively to objectively assess physical activity, sedentary behavior, and sleep. Here, we present an objective validation of five generations of ActiGraph sensors to characterize potential differences in output arising from changes to hardware or firmware.
Methods: An orbital shaker generated accelerations from 0 to 3700 milli-g in a randomized order to test the wGT3X-BT, GT9X, CentrePoint Insight Watch (CPIW) 1.
A Single Night in Hypoxia Either with or without Ketone Ester Ingestion Reduces Sleep Quality Without Impacting Next Day Exercise Performance.
Med Sci Sports Exerc
November 2024
Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, BELGIUM.
Background: Sleeping at altitude is highly common in athletes as an integral part of altitude training camps or sport competitions. However, concerns have been raised due to expected negative effects on sleep quality, thereby potentially hampering exercise recovery and next-day exercise performance. We recently showed that ketone ester (KE) ingestion beneficially impacted sleep following strenuous, late evening exercise in normoxia, and alleviated hypoxemia.
View Article and Find Full Text PDFSimultaneous activation of different subtypes of dopamine receptors may lead to activation of homeostatic sleep regulatory mechanisms.
Pharmacol Biochem Behav
January 2025
In vivo Electrophysiology Research Group, Department of Physiology and Neurobiology, Eötvös Loránd University, Hungary. Electronic address:
Dopaminergic system gains importance in homeostatic sleep regulation, but the role of different dopamine receptors is not well-defined. 72 h rat electrocorticogram and sleep recordings were made after single application of dopaminergic drugs in clinical use or at least underwent clinical trials. The non-selective agonist apomorphine evoked short pharmacological sleep deprivation with intense wakefulness followed by pronounced sleep rebound.
View Article and Find Full Text PDFL-type Calcium Channel Blockade Worsens Glucose Tolerance and β-Cell Function in C57BL6/J Mice Exposed to Intermittent Hypoxia.
Am J Physiol Endocrinol Metab
January 2025
Division of Pulmonary, Critical Care, and Sleep Medicine, University of Miami, Miller School of Medicine, Miami Florida.
Intermittent hypoxemia (IH), a pathophysiologic consequence of obstructive sleep apnea (OSA), adversely affects insulin sensitivity, insulin secretion, and glucose tolerance. Nifedipine, an L-type calcium channel blocker frequently used for treatment of hypertension, can also impair insulin sensitivity and secretion. However, the cumulative and interactive repercussions of IH and nifedipine on glucose homeostasis have not been previously investigated.
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