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The influence of diabetes on sleep-derived cardiorespiratory features of the finger pulse wave signal - The population-based SCAPIS study.
Sleep Med
October 2024
Center for Sleep and Vigilance Disorders, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Center for Sleep Medicine, Department of Respiratory Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden.
Study Objectives: Advanced signal processing of photoplethysmographic data enables novel analyses which may improve the understanding of the pathogenesis of dysglycemia associated with sleep disorders. We aimed to identify sleep-related pulse wave characteristics in diabetic patients compared to normoglycemic individuals, independent of cardiovascular-related comorbidities.
Methods: This cross-sectional evaluation of the population-based Swedish CArdioPulmonary bioImage Study (SCAPIS) included overnight oximetry-derived pulse wave data from 3997 subjects (45 % males, age 50-64 years).
Overnight pulse rate variability and risk of major neurocognitive disorder in older patients with obstructive sleep apnea.
J Am Geriatr Soc
November 2022
Université d'Angers, Département de Pneumologie et Médecine du Sommeil, Centre Hospitalier Universitaire d'Angers, Olonne sur Mer si, Angers, France.
Background: Increasing evidence links obstructive sleep apnea (OSA) to cognitive decline. Autonomic dysfunction assessed by heart rate variability is a promising early biomarker of cognitive impairment in populations without major neurocognitive disorder (MND). We aimed to determine whether nocturnal pulse rate variability (PRV) extracted from oximetry signal and OSA severity could predict MND onset among older OSA patients.
View Article and Find Full Text PDFMachine learning for nocturnal diagnosis of chronic obstructive pulmonary disease using digital oximetry biomarkers.
Physiol Meas
June 2021
Faculty of Electrical Engineering, Technion Institute of Technology, Haifa, Israel.
Chronic obstructive pulmonary disease (COPD) is a highly prevalent chronic condition. COPD is a major cause of morbidity, mortality and healthcare costs globally. Spirometry is the gold standard test for a definitive diagnosis and severity grading of COPD.
View Article and Find Full Text PDFSleep duration and risk of cardiovascular events: The SAVE study.
Int J Stroke
October 2020
The 211065George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia.
Background And Aim: Controversy exists regarding cardiovascular risk in relation to sleep duration. We determined sleep duration and major recurrent cardiovascular event associations in patients with obstructive sleep apnoea and established cardiovascular disease.
Methods: Secondary analyses of the international, multicenter, Sleep Apnea Cardiovascular Endpoints trial.
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