Nikolaos Dervenis

Nikolaos Dervenis
Aristotle University of Thessaloniki | AUTH · Department of Ophthalmology I, AXEPA Hospital

MD

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70
Publications
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Publications

Publications (70)
Article
Full-text available
Objectives To use data from the Global Burden of Diseases, Injuries, and Risk Factors Study 2019 (GBD 2019) to estimate mortality and disability trends for the population aged ≥70 and evaluate patterns in causes of death, disability, and risk factors. Design Systematic analysis. Setting Participants were aged ≥70 from 204 countries and terri...
Article
Topic A variety of different tamponade agents are used with vitrectomy combined with internal limiting membrane (ILM) peeling for the treatment of idiopathic macular holes. These include air, gas (SF6, C2F6, C3F8) and silicone oil. The optimum tamponade agent is uncertain and we aimed to review the effect of tamponade choice on hole closure and the...
Article
Full-text available
Background: Diabetic retinopathy is a leading cause of visual loss in the working population. Pars plana vitrectomy has become the mainstream treatment option for severe proliferative diabetic retinopathy (PDR) associated with significant vitreous haemorrhage and/or tractional retinal detachment. Despite the advances in surgical equipment, diabeti...
Article
Full-text available
BACKGROUND: Documentation of patterns and long-term trends in mortality in young people, which reflect huge changes in demographic and social determinants of adolescent health, enables identification of global investment priorities for this age group. We aimed to analyse data on the number of deaths, years of life lost, and mortality rates by sex a...
Article
Full-text available
Background Documentation of patterns and long-term trends in mortality in young people, which reflect huge changes in demographic and social determinants of adolescent health, enables identification of global investment priorities for this age group. We aimed to analyse data on the number of deaths, years of life lost, and mortality rates by sex an...
Article
Full-text available
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...
Data
This is a supplementary material for the article entitled "Measuring universal health coverage based on an index of effective coverage of health services in 204 countries and territories, 1990–2019"
Article
Clinical relevance: Pars plana vitrectomy techniques have evolved in the recent years and the number of patients undergoing phacoemulsification for post-vitrectomy cataract has increased. Eye-care practitioners need to be aware of intraoperative complications and post-operative outcomes in previously vitrectomised eyes. Background: The aim of the p...
Article
Purpose: To assess the effect of an internal limiting membrane (ILM) flap (IF) in MH surgery on best-corrected visual acuity (BCVA) and integrity of the ellipsoid zone (EZ) and external limiting membrane (ELM). Methods: Patients were included who had successful surgery for MH <400µm with or without an IF. Main outcome measures were BCVA and rest...
Article
Full-text available
Summary Background Many causes of vision impairment can be prevented or treated. With an ageing global population, the demands for eye health services are increasing. We estimated the prevalence and relative contribution of avoidable causes of blindness and vision impairment globally from 1990 to 2020. We aimed to compare the results with the World...
Article
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Objective: To analyze cataract surgery outcomes and related factors in eyes presenting with good visual acuity. Subject and methods: Retrospective longitudinal of patients undergoing phacoemulsification between the years 2014-2018 in Moorfields Eye Hospital and satellite units. Pre- and postoperative visual acuity (unaided, with glasses, with pi...
Article
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This is a rare case report of acute, paracentral corneal melting and perforation occurring 1 week after an uneventful cataract surgery, with discussions on possible pathogenetic mechanisms. Relevant literature was also reviewed. Herein, a case of an 86-year-old woman with acute, paracentral, and sterile corneal melting and perforation in her left e...
Article
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Background Achieving universal health coverage (UHC) involves all people receiving the health services they need, of high quality, without experiencing financial hardship. Making progress towards UHC is a policy priority for both countries and global institutions, as highlighted by the agenda of the UN Sustainable Development Goals (SDGs) and WHO's...
Article
Full-text available
Background Accurate and up-to-date assessment of demographic metrics is crucial for understanding a wide range of social, economic, and public health issues that affect populations worldwide. The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2019 produced updated and comprehensive demographic assessments of the key indicators of...
Article
Full-text available
Summary Background Rigorous analysis of levels and trends in exposure to leading risk factors and quantification of their effect on human health are important to identify where public health is making progress and in which cases current efforts are inadequate. The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2019 provides a sta...
Article
Full-text available
The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2019 provides a rules-based synthesis of the available evidence on levels and trends in health outcomes, a diverse set of risk factors, and health system responses. GBD 2019 covered 204 countries and territories, as well as first administrative level disaggregations for 22 countr...
Article
Full-text available
Background: In an era of shifting global agendas and expanded emphasis on non-communicable diseases and injuries along with communicable diseases, sound evidence on trends by cause at the national level is essential. The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) provides a systematic scientific assessment of published, publ...
Article
Full-text available
Background Accurate and up-to-date assessment of demographic metrics is crucial for understanding a wide range of social, economic, and public health issues that affect populations worldwide. The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2019 produced updated and comprehensive demographic assessments of the key indicators of...
Article
Full-text available
Background Rigorous analysis of levels and trends in exposure to leading risk factors and quantification of their effect on human health are important to identify where public health is making progress and in which cases current efforts are inadequate. The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2019 provides a standardise...
Article
Full-text available
Purpose: The aim of our study was to compare the depth of the demarcation line developing in the cornea after the standard Dresden protocol versus the accelerated, pulsed, epithelium-off corneal collagen cross-linking (CXL). Methods: This was a nonrandomized, retrospective case series. Patients with progressive keratoconus were treated with eith...
Article
Purpose To identify factors associated with retinal capillary density as measured with Confocal Scanning Laser Doppler Flowmetry (Heidelberg retina flowmeter (HRF)) in the Thessaloniki Eye Study (TES). Methods Participants of the TES (age ≥60 years, cross-sectional population-based study) were assessed for active capillary density in the superior...
Article
Full-text available
Purpose: To analyze the outcomes of in-the--bag toric intraocular lens implantation for anterior capsular tears during phacoemulsification. Methods: The cohort of this re-trospective, consecutive, interventional case series included eight patients. One patient was excluded as the tear was used to enlarge the rhexis. The mean preoperative astigma...
Article
Purpose: To identify the factors associated with retinal vessel diameters in the population of the Thessaloniki Eye Study. Methods: Cross-sectional population-based study (age ≥ 60 years). Subjects with glaucoma, late age-related macular degeneration, and diabetic retinopathy were excluded from the analyses. Retinal vessel diameters were measure...
Article
Full-text available
Purpose: To measure the inter- and intraobserver repeatability and reproducibility of choroidal thickness measurements taken by the enhanced depth imaging of spectral-domain optical coherence tomography (EDI-OCT) in randomly selected subjects using two different protocols. Methods: Twenty subjects of the Thessaloniki Eye Study database were rand...
Data
This appendix formed part of the original submission and has been peer reviewed. Supplement to: GBD 2017 SDG Collaborators. Measuring progress from 1990 to 2017 and projecting attainment to 2030 of the health-related Sustainable Development Goals for 195 countries and territories: a systematic analysis for the Global Burden of Disease Study 2017. L...
Article
Full-text available
Background Population estimates underpin demographic and epidemiological research and are used to track progress on numerous international indicators of health and development. To date, internationally available estimates of population and fertility, although useful, have not been produced with transparent and replicable methods and do not use stan...
Article
Full-text available
This paper estimated mortality for 282 causesof death in 195 countries from 1980 to 2017, adding 18 causes to its estimates compared to GBD 2016. In 2017, the GBD study added numerous data sources, including 127 country-years of vital registration data and 502 country-years of cancer registry data.
Article
Full-text available
Background Population estimates underpin demographic and epidemiological research and are used to track progress on numerous international indicators of health and development. To date, internationally available estimates of population and fertility, although useful, have not been produced with transparent and replicable methods and do not use stan...
Article
Full-text available
Background: Assessments of age-specific mortality and life expectancy have been done by the UN Population Division, Department of Economics and Social Affairs (UNPOP), the United States Census Bureau, WHO, and as part of previous iterations of the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD). Previous iterations of the GBD used...
Article
Full-text available
BACKGROUND:Global development goals increasingly rely on country-specific estimates for benchmarking a nation's progress. To meet this need, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2016 estimated global, regional, national, and, for selected locations, subnational cause-specific mortality beginning in the year 1980. He...
Article
Full-text available
Background The Global Burden of Diseases, Injuries, and Risk Factors Study 2017 (GBD 2017) includes a comprehensive assessment of incidence, prevalence, and years lived with disability (YLDs) for 354 causes in 195 countries and territories from 1990 to 2017. Previous GBD studies have shown how the decline of mortality rates from 1990 to 2016 has le...
Article
Full-text available
Background The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017 comparative risk assessment (CRA) is a comprehensive approach to risk factor quantification that offers a useful tool for synthesising evidence on risks and risk–outcome associations. With each annual GBD study, we update the GBD CRA to incorporate improved method...
Article
Full-text available
Background Assessments of age-specific mortality and life expectancy have been done by the UN Population Division, Department of Economics and Social Affairs (UNPOP), the United States Census Bureau, WHO, and as part of previous iterations of the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD). Previous iterations of the GBD used...
Article
Full-text available
Background Efforts to establish the 2015 baseline and monitor early implementation of the UN Sustainable Development Goals (SDGs) highlight both great potential for and threats to improving health by 2030. To fully deliver on the SDG aim of “leaving no one behind”, it is increasingly important to examine the health-related SDGs beyond national-leve...
Article
Full-text available
Background How long one lives, how many years of life are spent in good and poor health, and how the population's state of health and leading causes of disability change over time all have implications for policy, planning, and provision of services. We comparatively assessed the patterns and trends of healthy life expectancy (HALE), which quantifi...
Article
Full-text available
BACKGROUND: Assessments of age-specific mortality and life expectancy have been done by the UN Population Division, Department of Economics and Social Affairs (UNPOP), the United States Census Bureau, WHO, and as part of previous iterations of the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD). Previous iterations of the GBD used...
Article
Full-text available
Background The Global Burden of Diseases, Injuries, and Risk Factors Study 2017 (GBD 2017) includes a comprehensive assessment of incidence, prevalence, and years lived with disability (YLDs) for 354 causes in 195 countries and territories from 1990 to 2017. Previous GBD studies have shown how the decline of mortality rates from 1990 to 2016 has le...
Article
Full-text available
Summary Background: How long one lives, how many years of life are spent in good and poor health, and how the population’s state of health and leading causes of disability change over time all have implications for policy, planning, and provision of services. We comparatively assessed the patterns and trends of healthy life expectancy (HALE), which...
Article
Full-text available
Summary Background: Population estimates underpin demographic and epidemiological research and are used to track progress on numerous international indicators of health and development. To date, internationally available estimates of population and fertility, although useful, have not been produced with transparent and replicable methods and do not...
Article
Full-text available
Background Efforts to establish the 2015 baseline and monitor early implementation of the UN Sustainable Development Goals (SDGs) highlight both great potential for and threats to improving health by 2030. To fully deliver on the SDG aim of “leaving no one behind”, it is increasingly important to examine the health-related SDGs beyond national-leve...
Article
Summary Background: The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017 comparative risk assessment (CRA) is a comprehensive approach to risk factor quantification that offers a useful tool for synthesising evidence on risks and risk–outcome associations. With each annual GBD study, we update the GBD CRA to incorporate improv...
Article
Introduction: Ocular blood flow and haemodynamics are involved in the pathogenesis of several ophthalmic diseases including retinal vascular diseases and glaucoma. Multiple imaging technologies have been developed for measuring and analyzing ocular microcirculation and, among these optical coherence tomography angiography (OCTA) has gained a role i...
Article
Full-text available
Background XEN glaucoma implant (XEN gel stent, Aquesys, Inc) is a new minimally invasive device approved for the treatment of glaucoma. Case presentation A 45 year old female was being followed and treated for primary open angle glaucoma in our tertiary referral center. Due to failure of medical treatment in controlling the glaucoma, surgery was...
Article
We describe the surgical management of the aqueous misdirection syndrome through clear corneal incisions. A 20-gauge microvitreoretinal blade is used to create 2 side-port incisions. The same blade is inserted through the cornea and the iris for the main incision; it is then directed toward the center of the eyeball, passing through the zonular fib...
Article
Diabetic retinopathy (more specifically diabetic macular edema, DME) is the most common cause of loss of vision in the working population in developed countries. Anti-vascular endothelial growth factor (anti-VEGF) agents considerably changed the treatment algorithms and improved prognosis of center-involving DME. Ranibizumab was the first approved...