Publications by authors named "Ourania Kotsiou"

Background And Aim: There is limited data on the prevalence of SARS-COV-2 in sarcoidosis patients and the underlying parameters linked to severity. We aimed to conduct a national multicenter study to explore the prevalence of SARS-COV-2 in sarcoidosis patients and investigate its impact on hospitalization and infection rates, describe the characteristics of the infected population and assess the role of these characteristics in determining the likelihood of infection or hospitalization.

Methods: We recruited all the adult sarcoidosis patients with who were examined across eight Greek Health Interstitial Lung Disease Referral Centers from the beginning of the pandemic until August 1, 2022.

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  • The study investigates how benign mesothelial cells respond to different types of pleural effusion fluids (PF) and focuses on the role of the BBSome in this process.
  • Benign human mesothelial cells were exposed to PF from various conditions (mesothelioma, breast cancer, hemothorax, congestive heart failure) and changes in gene expression were measured using PCR to assess cell response.
  • Results show that BBSome gene expression changes more significantly in 2D cultures compared to 3D, and that inducing disturbances in the Primary Cilium affects cell migration in both culture formats when exposed to PF.
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  • The review evaluates the potential of pioglitazone, an anti-diabetic medication, as a treatment for asthma by examining its effects on asthma control and lung function based on existing studies.
  • It summarizes findings from both animal studies, which indicate improvements in airway inflammation and lung function, and clinical trials, which show minimal benefits and notable side effects in human asthma patients.
  • The conclusion highlights that while preliminary data from animal studies is promising, the efficacy of pioglitazone in treating asthma in humans is still unproven, necessitating further research to clarify its safety and effectiveness.
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  • The study examines the rise in leptospirosis cases following Storm Daniel in Thessaly, Greece, where 35 patients from flood-affected areas were treated, primarily adult women around 40 years old.
  • The majority of cases (84.6%) were linked to floodwater contact, with Larissa being the hardest-hit area.
  • Key symptoms included rash, fever, and myalgia, prompting calls for improved public health strategies, better sanitation, and community awareness to address future health risks exacerbated by climate change.
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Background: Asthma, a chronic inflammatory condition affecting the airways, significantly impacts both respiratory function and quality of life. Recent studies have highlighted the psychological dimensions of chronic diseases like asthma. Despite growing evidence linking asthma with various psychopathological conditions, comprehensive data remains scarce.

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  • The study compares indoor and outdoor air quality's impact on lung function in patients with asthma and COPD, monitoring fine particulate matter (PM) levels for a year.
  • Over 5 million data points were collected, revealing that indoor PM sources (like tobacco, fireplaces, and cooking) led to higher concentrations exceeding WHO guidelines.
  • Results show a link between ambient PM and decreased lung function, highlighting the importance of addressing indoor air quality in public health strategies and the need for personalized approaches based on living conditions.
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Background: Only one study has reported the presence of extracellular vesicles (EVs) in COPD patients' sputum. Thus, we aimed to isolate and characterize EVs from COPD and healthy individuals' sputum.

Methods: A total of 20 spontaneous sputum samples from COPD patients (m/f: 19/1) and induced sputum samples from healthy controls (m/f: 8/2) were used for EV isolation.

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The introduction of a new vaccine into immunization programs represents a significant advancement in the global effort to combat vaccine-preventable diseases. Data from the World Health Organization support that immunization prevents between 2 and 3 million deaths each year across various diseases, underscoring its pivotal role in global health. The present study aims to assess the knowledge, attitudes, and anticipated vaccination practices among health professionals in Central Greece in response to the potential introduction of new Respiratory Syncytial Virus (RSV) vaccination guidelines by the National Vaccines Committee.

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  • * Researchers found that most samples contained IgM, IgG, and IgA anti-LPS antibodies, with a notable increase in activity for infections and non-infections, as opposed to malignant conditions.
  • * The findings suggest that measuring anti-LPS NAbs in pleural fluid can help differentiate between benign and malignant PEs, highlighting their potential clinical relevance.
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Small airway disease (SAD) is a pathological condition that affects the bronchioles and non-cartilaginous airways 2 mm or less in diameter. These airways play a crucial role in respiratory function and are often implicated in various pulmonary disorders. Pulmonary fibrotic diseases are characterized by the thickening and scarring of lung tissue, leading to progressive respiratory failure.

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The role of nutrition in the management of asthma in obese patients is of increasing interest due to their limited response to inhaled corticosteroids. Some studies note that through diet and lifestyle, there can be an improvement in asthma control. The aim of the present study was to investigate the adherence to the Mediterranean Diet and its association with asthma severity and quality of life in patients with bronchial asthma.

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The biological functions of osteopontin (OPN) are diverse and specific to physiological and pathophysiological conditions implicated in inflammation, biomineralization, cardiovascular diseases, cellular viability, cancer, diabetes, and renal stone disease. We aimed to present the role of OPN in respiratory health and disease. OPN influences the immune system and is a chemo-attractive protein correlated with respiratory disease severity.

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  • The study investigates changes in smoking habits during COVID-19 lockdown among smokers and vapers in Greece, revealing a slight decrease in daily cigarette consumption from 15.06 to 14.52.
  • An online survey was conducted between April 10 and May 2, 2020, and included 200 participants with various educational backgrounds and demographics.
  • Key reasons for smoking changes included staying at home (36.3%), stress related to COVID-19 (34.09%), and having more free time (20.45%).
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Background: Malignant pleural mesothelioma (MPM), a rare and aggressive pleural tumor, has significant histological and molecular heterogeneity. Primary Cilium (PC), an organelle of emerging importance in malignancies, has been scarcely investigated in MPM. A critical molecular complex for the PC function is the BBSome and here we aimed at assessing its expression patterns in ordinary 2D and spheroid 3D cell cultures.

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Background: Tuberculosis (TB) infection is a life-threatening infection caused by certain bacteria belonging to the Mycobacterium tuberculosis complex. More than 10 million subjects are newly sick from this infection every year globally. At the same time, TB is quite prevalent among subjects who come from lower socioeconomic layers of general population, and marginalized sections and areas.

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Background: The derivatives-reactive oxygen metabolites (d-ROMs) and plasma antioxidant capacity (PAT) tests are oxidative indexes. Severe asthma has been related to oxidative stress. We aimed to investigate d-ROMs and PAT values in severely controlled asthmatics and the correlation of these values with lung function.

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Chronic obstructive pulmonary disease (COPD) is one of the leading causes of death worldwide. The association between lung and gut microbiomes in the pathogenesis of COPD has been recently uncovered. The goal of this study was to discuss the role of the lung and gut microbiomes in COPD pathophysiology.

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The compliance of dentists with good hygiene practices during the COVID-19 pandemic was essential to minimize the transmission of SARS-CoV-2 strains, and the pandemic has significantly interrupted the provision of oral health care to many individuals. We aimed to examine, in a cross-sectional study, factors affecting dental patients' compliance in primary dental health settings during the pandemic period. The present study was conducted on 300 dental patients visiting four private dental offices in the city of Larissa in Central Greece during the period October-December 2021.

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Background: SARS-CoV-2 is a life-threatening RNA virus that may cause an acute respiratory syndrome associated with extremely high morbidity and mortality rates. Folic acid (FA), also known as folate, is an essential vitamin vital for human homeostasis, participating in many biochemical pathways, and its deficiency has been associated with viral infection vulnerability. In this review, we investigated the association between FA intake and SARS-CoV-2 infection, along with the existence of any potential impact of FA on the health outcome of patients suffering from this new viral infection.

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Introduction: Primary cilium (PC) is a single non-motile antenna-like organelle composed of a microtubule core axon originating from the mother centriole of the centrosome. The PC is universal in all mammalian cells and protrudes to the extracellular environment receiving mechanochemical cues that it transmits in the cell.

Aim: To investigate the role of PC in mesothelial malignancy in the context of two-dimensional (2D) and three-dimensional (3D) phenotypes.

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Background: This study assessed the association between admission kidney function and the duration of hospitalization in triple-vaccinated coronavirus disease 2019 (COVID-19) inpatients during the omicron surge in Larissa, central Greece.

Methods: Regression analysis was used to estimate the effect of kidney function biomarkers on hospital length of stay (LoS) within a dataset from a cohort of 51 subjects.

Results: Sex- and age-adjusted admission serum creatinine was associated with hospital LoS (p=0.

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The COVID-19 pandemic has affected health care across the world, with respiratory and critical care medicine being affected the most [...

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Nutrition information is becoming more urgent than ever so that consumers can make informed choices when buying food. This study aimed to investigate consumers' perceptions and behavior of the front-of-pack label (FOPL), between two specific labeling systems, the Nutri-Score and the Guideline Daily Amounts (GDA). This is a post hoc analysis of data from a previous, more extensive cross-sectional study conducted from April 2021 to June 2021.

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  • The study investigates the potential of soluble urokinase plasminogen activator receptor (suPAR) as a biomarker for asthma severity in patients from the Asthma Clinic at the University of Thessaly.
  • Out of 74 patients assessed, a variety of asthma control levels were identified, with significant percentages having controlled or uncontrolled asthma of different severities.
  • Results indicated that suPAR levels were significantly lower in patients with moderate uncontrolled asthma compared to those with severe uncontrolled asthma, suggesting its potential role in gauging asthma severity.
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