Nicholas-Tiberio Economou

ORCID: 0000-0002-2537-6624
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About
Contact & Profiles
Research Areas
  • Sleep and related disorders
  • Sleep and Wakefulness Research
  • Obstructive Sleep Apnea Research
  • Neuroscience of respiration and sleep
  • Restless Legs Syndrome Research
  • Circadian rhythm and melatonin
  • Cardiovascular and Diving-Related Complications
  • Epilepsy research and treatment
  • EEG and Brain-Computer Interfaces
  • Nutritional Studies and Diet
  • Vitamin D Research Studies
  • Multiple Sclerosis Research Studies
  • Nutrition and Health in Aging
  • Neuroscience and Music Perception
  • Eating Disorders and Behaviors
  • Neuroscience and Neuropharmacology Research
  • Sensory Analysis and Statistical Methods
  • History of Medicine Studies
  • COVID-19 and Mental Health
  • Diet and metabolism studies
  • Dementia and Cognitive Impairment Research
  • COVID-19 and healthcare impacts
  • Tracheal and airway disorders
  • Reproductive Health and Contraception
  • Action Observation and Synchronization

National and Kapodistrian University of Athens
2013-2024

Democritus University of Thrace
2016-2024

Eginition Hospital
2012-2022

Polyclinic General Hospital
2018-2022

Alexandra Hospital
2018-2022

Cleveland Clinic
2014-2016

Evangelismos Hospital
2009-2012

Laboratory for Biomedical Neurosciences
2009-2011

University of Reading
2010

Athens State University
2005-2009

<b><i>Objective:</i></b> To perform a large and detailed epidemiologic study on restless legs syndrome (RLS) during pregnancy the puerperium. <b><i>Methods:</i></b> A structured clinical interview, assessing symptoms since beginning of pregnancy, was performed to population 642 pregnant women at time delivery follow-up evaluation (1, 3, 6 months after delivery). Main hematologic tests were also evaluated. woman considered affected if she met International RLS Study Group criteria for...

10.1212/01.wnl.0000138427.83574.a6 article EN Neurology 2004-09-28

The aim of this study was to determine if the lockdown measures applied due pandemic Coronavirus Disease 2019 (COVID-19) affected sleep general population and health professionals in six different countries (Greece, Switzerland, Austria, Germany, France, Brazil). We used a web-based survey with short questionnaire 13 questions, translated into four languages (Greek, German, French, Portuguese). included information about demographic professional data, quantitative qualitative characteristics...

10.3390/ijerph17239094 article EN International Journal of Environmental Research and Public Health 2020-12-05

Some patients with obstructive sleep apnoea syndrome (OSAS; respiratory distress index (RDI) of >5 events.h(-1)) experience residual excessive daytime subjective sleepiness (Epworth Sleepiness Scale (ESS) score >10), despite adequate use continuous positive airway pressure (CPAP) therapy. The aim the present study was to identify clinical and polysomnographic predictors this sleepiness. Clinical variables ESS were evaluated in 208 OSAS an >10 before (initial assessment) after > or =6 months...

10.1183/09031936.00124708 article EN European Respiratory Journal 2009-04-08

Background: Conversely to other neurodegenerative diseases (i.e., Alzheimer's disease, AD), sleep in frontotemporal dementia (FTD) has not been studied adequately. Although some evidence exists that sleep-wake disturbances occur FTD, very little i

10.3233/jad-122014 article EN Journal of Alzheimer s Disease 2013-10-29

Patients with Chronic Obstructive Pulmonary Disease (COPD) and / or Sleep Apnea (OSA) often complain about sleepiness, fatigue, anxiety depression. However, common screening questionnaires, like Epworth Sleepiness Scale (ESS), Fatigue Severity (FSS) Hospital Anxiety Depression (HADS) have not been previous evaluated in patients overlap–coexisting COPD OSA–syndrome versus OSA alone. Our study compared ESS, FSS HADS between overlap syndrome OSA, before after treatment Continuous Positive...

10.1371/journal.pone.0197342 article EN cc-by PLoS ONE 2018-06-11

Patients with serious psychiatric diseases (major depressive disorder (MDD), bipolar (BD), and schizophrenia psychotic disorder) often complain about sleepiness during the day, fatigue, low energy, concentration problems, insomnia; unfortunately, many of these symptoms are also frequent in patients Obstructive Sleep Apnea (OSA). However, existing data clinical appearance OSA Psychiatric Disease generally missing. The aim our study was a detailed focused evaluation Disease, terms symptoms,...

10.3390/jcm8040534 article EN Journal of Clinical Medicine 2019-04-18

Introduction: Little information exists in the general population whether clinical presentation phenotypes of obstructive sleep apnea (OSA) differ terms quality and comorbidities. Aim: The purpose our study was to assess possible differences between symptomatic asymptomatic OSA patients concerning syndrome's severity, patients' quality, Subjects methods: First, a nationwide, stratified, epidemiological survey, 4,118 Cypriot adult participants were interviewed about habits complaints. In...

10.3389/fpsyt.2021.630162 article EN cc-by Frontiers in Psychiatry 2021-02-25

Study Objectives: The aim of this study is to explore the association between serum 25-hydroxyvitamin D [25(OH)D] levels, a marker Vitamin status, and excessive daytime sleepiness (EDS), expressed as increased scores Epworth Sleepiness Scale (ESS), in group prospectively enrolled patients with obstructive sleep apnea (OSA). Methods: Newly diagnosed OSA, divided into two groups, those EDS (ESS&amp;gt;10) without (ESS

10.20944/preprints202402.1448.v1 preprint EN 2024-02-26

Objectives: Aiginition Longitudinal Biomarker Investigation Of Neurodegeneration (ALBION) is a longitudinal ongoing study initiated in 2018 that takes place the Cognitive Disorders Clinic of Hospital National and Kapodistrian University Athens. Its aim to address several research questions concerning preclinical prodromal stage Alzheimer's disease explore potential markers for early detection, prediction, primary prevention dementia. Methods: We here present design preliminary baseline...

10.1080/00325481.2019.1663708 article EN Postgraduate Medicine 2019-09-04

Obstructive sleep apnea (OSA) is a chronic and prevalent disorder, strongly associated with cardiovascular disease (CVD). The apnea-hypopnea index (AHI), or respiratory event (REI), the oxygen desaturation (ODI) are clinical metrics of in terms diagnosis severity. However, AHI, REI, does not quantify OSA-related hypoxemia poorly predicts consequences cardiometabolic diseases. Moreover, it unclear whether ODI correlates CVD OSA. Our study aimed to examine possible associations between indices...

10.3390/jcm9082475 article EN Journal of Clinical Medicine 2020-08-01

Study Objectives: The aim of this cross-sectional study is to explore the association between serum 25-hydroxyvitamin D [25(OH)D] levels, a marker Vitamin status, and excessive daytime sleepiness (EDS), expressed as increased scores Epworth Sleepiness Scale (ESS), in group prospectively enrolled patients with obstructive sleep apnea (OSA). Methods: Newly diagnosed OSA, divided into two groups, those EDS (ESS &gt; 10) without &lt; 10). All underwent night polysomnography. Measurement 25(OH)D...

10.3390/healthcare12060698 article EN Healthcare 2024-03-21

Frontotemporal dementia (FTD) is increasingly becoming recognized as a major cause of early onset (<65 years) neurodegenerative dementia. Although sleep disorders significantly impair patients' and caregivers' quality life in diseases, polysomnographic data FTD patients are scarce literature. Aim our study was to investigate microstructure FTD, by means Cyclic Alternating Pattern (CAP), group ten behavioral variant (6 M, 4 F; mean age 61.2±7.3 years; disease duration: 1.4±0.7 compare them...

10.12871/0003982920152346 article EN ARCHIVES ITALIENNES DE BIOLOGIE 2015-01-01

The aim of this study is to present epilepsy according the most famous and representative Byzantine physicians throughout whole period empire. Mainly medical texts were used as sources. considered be a serious problem followed Hippocratic tradition far etiology disease concerned. Their pathophysiological theories identified brain site problem, but, based on humoral theory, emphasized causes such an excess humors or insufficient circulation phlegm in brain. It surprising note accuracy details...

10.1080/096470490889385 article EN Journal of the History of the Neurosciences 2005-12-01
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