Evangelia Nena

Evangelia Nena
Democritus University of Thrace | DUTH · School of Medicine

MD, PhD

About

160
Publications
17,425
Reads
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1,983
Citations
Introduction
Evangelia Nena MD is specialized in Occupational Medicine. She holds the position of Associate Professor of Public Health-Social and Occupational Medicine at the Medical School, Democritus University of Thrace, Alexandroupolis, Greece. Evangelia does research in Public Health-Social Medicine, Occupational Medicine and Sleep Medicine.
Additional affiliations
August 2015 - October 2017
Democritus University of Thrace
Position
  • Professor
December 2013 - August 2015
Democritus University of Thrace
Position
  • Lecturer
January 2008 - December 2012
Democritus University of Thrace
Position
  • PostDoc Position

Publications

Publications (160)
Article
Purpose of the study was to assess work productivity in otherwise healthy obstructive sleep apnea (OSA) patients and to explore correlations between work productivity and different characteristics of OSA patients. Work productivity was assessed by the Endicott Work Productivity Scale (EWPS) to 115 polysomnographically confirmed OSA patients of work...
Article
Full-text available
Background: A negative effect on public health of the Greek population as a result of the financial crisis is reported. The aim of this study was to examine the effect of the financial crisis on sleep and health outcomes of employees of the National Railway Organisation who had to face mandatory job transfers, significant reductions in salaries and...
Article
Full-text available
Background Aim: Implementing guidelines in the practice of occupational health is a high-priority need, since their use can reduce the variability in practice and increase professional efficiency, resulting in higher quality of health care services. The aim of this report is to provide information regarding the development process of the first seri...
Article
Background Sleep-disordered breathing (SDB) and especially obstructive sleep apnea (OSA) are associated with daytime sleepiness and an increased risk for motor vehicle crashes. Previous studies have assessed the prevalence of OSA among professional drivers, but no study so far has focused on railway drivers. The aim of this study was to assess the...
Article
Full-text available
Objectives The aims of this position paper are to (i) summarize research on precarious employment (PE) in the context of occupational health; (ii) develop a theoretical framework that distinguishes PE from related concepts and delineates important contextual factors; and (iii) identify key methodological challenges and directions for future researc...
Article
Full-text available
Background Calculating the disease burden due to injury is complex, as it requires many methodological choices. Until now, an overview of the methodological design choices that have been made in burden of disease (BoD) studies in injury populations is not available. The aim of this systematic literature review was to identify existing injury BoD st...
Article
Type 2 diabetes mellitus is a serious health disorder with a global prevalence of 6059 cases per 100,000 in 2017. By analyzing real-world data, our study found an increasing prevalence of type 2 diabetes in Greece, with the peak being 7,40 individuals per 100,000 in 2016.
Article
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Undeniably, childhood asthma is a multifactorial and heterogeneous chronic condition widespread in children. Its management, especially of the severe form refractory to standard therapy remains challenging. Over the past decades, the development of biologic agents and their subsequent approval has provided an advanced and very promising treatment a...
Article
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Background Injury remains a major concern to public health in the European region. Previous iterations of the Global Burden of Disease (GBD) study showed wide variation in injury death and disability adjusted life year (DALY) rates across Europe, indicating injury inequality gaps between sub-regions and countries. The objectives of this study were...
Article
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The burden of injury in Central, Eastern, and Western European sub-region: a systematic analysis from the Global Burden of Disease 2019 Study
Article
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Background Injury remains a major concern to public health in the European region. Previous iterations of the Global Burden of Disease (GBD) study showed wide variation in injury death and disability adjusted life year (DALY) rates across Europe, indicating injury inequality gaps between sub-regions and countries. The objectives of this study were...
Article
Full-text available
Background Injury remains a major concern to public health in the European region. Previous iterations of the Global Burden of Disease (GBD) study showed wide variation in injury death and disability adjusted life year (DALY) rates across Europe, indicating injury inequality gaps between sub-regions and countries. The objectives of this study were...
Article
Full-text available
We aimed to review the determinants of burnout onset in teachers. The study was conducted according to the PROSPERO protocol CRD42018105901, with a focus on teachers. We performed a literature search from 1990 to 2021 in three databases: MEDLINE, PsycINFO, and Embase. We included longitudinal studies assessing burnout as a dependent variable, with...
Article
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Internet and Communication Technology (ICT) tools have been already introduced in every aspect of environmental science. Regarding climate change, research trends and developments on ICT help realize how ICT evolved and its potential future role in climate change. This study aimed to assess ICT solutions in climate change research trends using the...
Article
Full-text available
Objective The aims of the study were: (1) to clarify the definitions of “migrant” used in occupational health research; (2) to summarize migrant workers’ industry sectors, occupations and employment conditions; (3) to identify the occupational health and safety services available to migrant workers; (4) to summarize work-related health problems fou...
Article
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This study aimed to explore the prevalence of overweight, obesity, and abdominal obesity, and define predictive factors of their occurrence among pre-adolescents in the region of Thrace, NE Greece. A secondary aim was to record physical activity at different times (schooldays, weekends, holidays) and explore associations with characteristics such a...
Article
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Objective: The first wave of coronavirus pandemic and concomitant restrictive measures affected sleep. We slept more than usual, but the quality was worse. As the pandemic continues, a second period of restrictive measures was initiated, and no data exist about their impact on sleep. The aim of this study was to compare quantity and quality of sle...
Preprint
Background: Injury remains a major concern to public health in the European region, particularly among adults younger than 49 years. Previous iterations of the Global Burden of Disease (GBD) study showed wide variation in injury death and disability adjusted life year (DALY) rates across Europe, indicating injury inequality gaps between sub-regions...
Article
Full-text available
Background Assessment of disability-adjusted life years (DALYs) resulting from non-communicable diseases (NCDs) requires specific calculation methods and input data. The aims of this study were to: (i) identify existing NCD burden of disease (BoD) activities in Europe; (ii) collate information on data sources for mortality and morbidity; and (iii)...
Conference Paper
What are the actual trends in civil protection in Greece, and in which direction is academic interest moving? Much progress has been achieved in setting up civil protection in Greece to coordinate and manage action plans to eliminate or prevent natural disasters and hazards. This study conducted a thorough bibliometric analysis on the scientific li...
Article
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Background-Aim: Medical students have been greatly affected by the COVID-19 pandemic due to their educational program, which comprises theoretical knowledge and also clinical duties, making them vulnerable to viral exposures and possibly affecting their everyday life. The aim of this study was to explore changes in sleep and mental health parameter...
Article
Background: Tidal breathing flow-volume (TBFV) analysis provides important information about lung mechanics in infants. Aim: To assess the effects of breastfeeding on the TBFV measurements of infants who recover from acute bronchiolitis. Methods: In this cross-sectional study, TBFV analysis was performed in infants with bronchiolitis prior to...
Poster
Full-text available
The UNs Agenda for Sustainable Development highlights the necessity to ensure healthy lives, promote well-being and improve nutrition1. Dietary habits, along with lifestyle behaviours, such as physical activity or smoking, play a crucial role in physical and mental health. Human nutrition is influenced by global systems of food, agriculture, cultur...
Article
This study used a questionnaire to examine how academic staff members in Greece and Cyprus feel about the changes in undergraduate medical education during the COVID-19 pandemic. In general, e-learning was not considered an adequate way of teaching and was less enjoyable. Participants aged 31-40 years experienced more ( P = .001), while staff in hi...
Article
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Background Sustainable Development Goal 3.2 has targeted elimination of preventable child mortality, reduction of neonatal death to less than 12 per 1000 livebirths, and reduction of death of children younger than 5 years to less than 25 per 1000 livebirths, for each country by 2030. To understand current rates, recent trends, and potential traject...
Article
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We aimed to review occupational burnout predictors, considering their type, effect size and role (protective versus harmful), and the overall evidence of their importance. MEDLINE, PsycINFO, and Embase were searched from January 1990 to August 2018 for longitudinal studies examining any predictor of occupational burnout among workers. We arranged p...
Article
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Daytime sleepiness is a cardinal symptom of obstructive sleep apnoea (OSA) and a well-recognised side effect of beta-blockers, therefore patients with OSA under this treatment may have worse sleepiness. However, the interaction between daytime sleepiness and beta-blockers use has not been thoroughly investigated in patients with OSA before. We anal...
Article
This case report describes a 60-year-old male, who presented to the Respiratory Outpatient Unit due to dyspnea on exertion and persistent dry cough, worsened during the preceding 6 months. He was nonsmoker with an otherwise unremarkable medical history and had been working in a sheep/goat slaughterhouse for the last 25 years. He recalled a number o...
Article
Full-text available
Objective A consensual definition of occupational burnout is currently lacking. We aimed to harmonize the definition of occupational burnout as a health outcome in medical research and reach a consensus on this definition within the Network on the Coordination and Harmonisation of European Occupational Cohorts (OMEGA-NET). Methods First, we perform...
Article
Objectives: Serum uric acid (UA) and arterial lactate acid (LA) are markers of oxidative stress and tissue hypoxia that are present in patients with obstructive sleep apnea syndrome (OSAS). The aim of the study was to evaluate the associations between UA and LA levels and OSAS characteristics as well as the effect of their levels after continuous p...
Article
A cross-sectional population based study was conducted in order to evaluate the potential association of sleep characteristics with depression using self-reported questionnaires and taking into account several socio-demographic, lifestyle and health related characteristics. 957 participants aged between 19 and 86 years old were enrolled in our stud...
Article
Full-text available
Objective:To describe the impact of subjects' family income, which was used as a proxy for socioeconomic status, with health characteristics and healthcare utilization of a large representative sample of population in Northern Greece, taking into account several socio-demographic characteristics and health behaviors of the participants. Material an...
Article
A cross-sectional population-based study was conducted in order to evaluate the association of sleep characteristics with anxiety disorders using self-reported questionnaires and taking into account several socio-demographic, lifestyle and health related characteristics. 957 participants between 19 and 86 years old were enrolled in our study. Anxie...
Article
Full-text available
Air contamination in the hospital setting can be a reason for the spread of nosocomial infection among susceptible patients. The aim of this study was to identify bacterial species, and their load and drug resistance, in the air of a tertiary hospital. Air samples were collected on a monthly basis for 12 consecutive months in four different departm...
Article
Background: Obstructive sleep apnoea (OSA) is a common sleep-related breathing disorder, attributed to the collapse of the pharyngeal walls and the subsequent complete or partial upper airway obstruction. Among different treatment options for OSA, Continuous Positive Airway Pressure, and oral appliances (OAs) have been used, with various outcomes...
Article
Bronchiolitis obliterans is a clinical entity which results from a variety of etiologies and has a detrimental impact on patients’ quality of life when it remains undiagnosed and untreated. Due to its non-pathognomic clinical symptoms and signs, physicians often proceed to radiological examination, especially with high resolution chest tomography....
Article
Background: Evidence suggests that metabolic syndrome (MetS) is highly prevalent in patients with obstructive sleep apnea syndrome (OSAS) and chronic obstructive pulmonary disease (COPD). However, data on the prevalence of MetS in patients having both OSAS and COPD, or overlap syndrome (OS), are scarce. The aim of this study was to evaluate the pre...
Article
Full-text available
Introduction: The financial crisis which started in Greece about 10 years ago has affected the income of citizens, their quality of life, as well as social and occupational relationships. Aim of the present study was to assess the attitudes towards working conditions and personal life and to explore quality of life, as well as disorders in physica...
Article
Full-text available
Background: Breastfeeding is not only important for the bond between the mother and the child but is also associated with many health benefits. Socio-demographic factors have been found to be important for the initiation and longer duration of breastfeeding. Aim: To record the breastfeeding characteristics and to explore possible associations with...
Article
Introduction: Real-world effectiveness of hemato-oncology pharmaceuticals may not necessarily mimic clinical trial efficacy results, mainly due to demographic and clinical practice variability. The aim of this review was to systematically assess the availability of real-world evidence (RWE) and the transferability of clinical trial (CT) efficacy re...
Article
Introduction: Accumulating evidence suggests that cardiovascular disease (CVD) is highly prevalent among patients with concurrent obstructive sleep apnoea syndrome (OSAS) and chronic obstructive pulmonary disease (COPD), otherwise known as overlap syndrome (OS). Objectives: The aim of this study was to investigate the 10-year risk for CVD in OS...
Article
Full-text available
The research question that will be addressed here is: Which factors contribute to the onset of burnout among workers? The goal of this work is to identify as exhaustively as possible all causal predictors of burnout in adult working population. Once addressed accurately, the evidence gathered will be helpful for identifying and prioritizing prevent...
Article
Full-text available
Background and objectives: Obstructive sleep apnea syndrome (OSAS) is associated with cardiovascular and metabolic risk factors, such as insulin resistance. Furthermore, OSAS has been associated with decreased levels of vitamin D (Vit D). The aim of the study was to assess the association between Vit D levels (expressed as 25(OH)D serum levels) and...
Article
Full-text available
Blood circulating cell-free DNA (ccfDNA) is a suggested biosource of valuable clinical information for cancer, meeting the need for a minimally-invasive advancement in the route of precision medicine. In this paper, we evaluated the prognostic and predictive potential of ccfDNA parameters in early and advanced breast cancer. Groups consisted of 150...
Preprint
Full-text available
The research question that will be addressed here is: Which factors contribute to the onset of burnout among workers? The goal of this work is to identify as exhaustively as possible all causal predictors of burnout in adult working population. Once addressed accurately, the evidence gathered will be helpful for identifying and prioritizing prevent...
Article
Full-text available
Purpose: Obstructive sleep apnea syndrome (OSAS) has been recently proposed as an independent risk factor for chronic kidney disease. Cystatin C (Cyst C) and neutrophil gelatinase-associated lipocalin (NGAL) are novel biomarkers for the earlier detection of latent kidney disease. The aim of the study was to assess serum Cyst C and NGAL levels in o...
Article
Blood circulating cell-free DNA (ccfDNA) is a suggested biosource of valuable clinical information for cancer, meeting the need for a minimally-invasive advancement in the route of precision medicine. In this paper, we evaluated the prognostic and predictive potential of ccfDNA parameters in early and advanced breast cancer. Groups consisted of 150...
Article
Full-text available
Purpose: To assess personal and parental human papillomavirus (HPV) vaccination acceptance and how it is influenced by demographic factors prior to (2005-2010) and during (2011-2016) the economic crisis in Greece. Methods: During 2005-2016, 6,401 women aged 18-65 years, living in different areas of Greece filled in a questionnaire covering demog...
Article
Full-text available
Objective: Asthma and allergic rhinitis (AR) are the most common chronic conditions in childhood and have previously been linked to sleep-related breathing disorder (SRBD). Aim of the study was to examine the association between SRBD risk and asthma control in children with asthma and with or without AR. Methods: The assessment of FeNO and pulmonar...
Article
Full-text available
Obstructive sleep apnoea syndrome (OSAS) is a common disorder of multifactorial pathogenesis and is associated with obesity, diabetes and cardiovascular disease. Vitamin D is a fat-soluble vitamin with an important function in calcium absorption and homeostasis, which is also implicated in several nonskeletal conditions. The prevalence of vitamin D...
Article
Full-text available
The research question that will be addressed here is: Which factors contribute to the onset of burnout among workers? The goal of this work is to identify as exhaustively as possible all causal predictors of burnout in adult working population. Once addressed accurately, the evidence gathered will be helpful for identifying and prioritizing prevent...
Article
Full-text available
Evidence suggests that there is platelet activation in obstructive sleep apnea syndrome (OSAS) and chronic obstructive pulmonary disease (COPD). Our objective is to evaluate mean platelet volume (MPV) and platelet distribution width (PDW) in patients with overlap syndrome (OS), that is, concurrent COPD with OSAS. Mean platelet volume and PDW were a...
Article
Full-text available
Obstructive sleep apnea (OSA) is characterized by phenotypic variations, which can be partly attributed to specific gene polymorphisms. Recent studies have focused on the role of epigenetic mechanisms in order to permit a more precise perception about clinical phenotyping and targeted therapies. The aim of this review was to synthesize the current...
Article
Background: Numerous studies have indicated that obstructive sleep apnea syndrome (OSAS), may contribute to the development of metabolic syndrome (MetS) and diabetes. Moreover, OSAS has been associated with lowered vitamin D (Vit D) levels, but reports are inconclusive. Aim of the study was to compare Vit D levels according to the presence of MetS...