All Stories

  1. Who Still Pays the Price of SARS-CoV-2 in the Vaccination Era? Evidence from Primary Healthcare in Greece

    Article • COVID, April 2026, MDPI AG

    Dr. Ourania S. Kotsiou

  2. Sputum Exosomal microRNAs as Non-Invasive Biomarkers in COPD: A Cross-Sectional Study

    Article • Biomedicines, December 2025, MDPI AG

    Dr. Ourania S. Kotsiou

  3. Bug Wars: Artificial Intelligence Strikes Back in Sepsis Management

    Article • Diagnostics, July 2025, MDPI AG

    Dr. Ourania S. Kotsiou

  4. Assessment of the Immune Response to Coxiella burnetii in Rural Areas of the Thessaly Region Following the Daniel Floods

    Article • Hygiene, July 2025, MDPI AG

    Dr. Ourania S. Kotsiou

  5. Leptospirosis Incidence Post-Flooding Following Storm Daniel: The First Case Series in Greece

    Article • Infectious Disease Reports, September 2024, MDPI AG

    Dr. Ourania S. Kotsiou, Pulmonologist, Εmergency Physician Stylianos Boutlas

  6. Assessment of Knowledge, Attitudes, and Vaccination Practices Regarding the New RSV Vaccine among Health Professionals in Greece

    Article • Healthcare, August 2024, MDPI AG

    Dr. Ourania S. Kotsiou

  7. Detection and Characterization of Extracellular Vesicles in Sputum Samples of COPD Patients

    Article • Journal of Personalized Medicine, August 2024, MDPI AG

    Dr. Ourania S. Kotsiou

  8. Sarcopenia and Pleural Effusions: Exploring a Potential Link

    Article • Muscles, June 2024, MDPI AG

    Dr. Ourania S. Kotsiou

  9. The Role of Small Airway Disease in Pulmonary Fibrotic Diseases

    Article • Journal of Personalized Medicine, November 2023, MDPI AG

    Dr. Ourania S. Kotsiou

  10. Physical Health-Related Quality of Life in Relation to Mediterranean Diet Adherence in a Sample of Greek Asthma Patients: A Pilot Study

    Article • Journal of Personalized Medicine, October 2023, MDPI AG

    Dr. Ourania S. Kotsiou

  11. The Role of Osteopontin in Respiratory Health and Disease

    Article • Journal of Personalized Medicine, August 2023, MDPI AG

    Dr. Ourania S. Kotsiou

  12. Changes in expression of mesothelial BBS genes in 2D and 3D after lithium chloride and ammonium sulphate induction of primary cilium disturbance: a pilot study

    Article • Pharmacological Reports, August 2023, Springer Science + Business Media

    Dr. Ourania S. Kotsiou

  13. Sarcopenia and Tuberculosis: Is There Any Connection?

    Article • Journal of Personalized Medicine, July 2023, MDPI AG

    Dr. Ourania S. Kotsiou

  14. D-ROMs and PAT Tests Reveal a High Level of Oxidative Stress in Patients with Severe Well-Controlled Asthma, and D-ROMs Are Positively Correlated with R20 Values That Indicate Approximate Central Airway Resistance

    Article • Journal of Personalized Medicine, June 2023, MDPI AG

    Dr. Ourania S. Kotsiou

  15. Lung and Gut Microbiome in COPD

    Article • Journal of Personalized Medicine, May 2023, MDPI AG

    Dr. Ourania S. Kotsiou

  16. Factors of Compliance of Dental Patients in Primary Health Care Services during the Pandemic

    Article • Vaccines, April 2023, MDPI AG

    Dr. Ourania S. Kotsiou

  17. Effects of pharmacological primary cilium disturbance in the context of in vitro 2D and 3D malignant pleura mesothelioma

    Article • Biochemical and Biophysical Research Communications, April 2023, Elsevier

    Dr. Ourania S. Kotsiou

  18. The Role of Folic Acid in SARS-CoV-2 Infection: An Intriguing Linkage under Investigation

    Article • Journal of Personalized Medicine, March 2023, MDPI AG

    Dr. Ourania S. Kotsiou

  19. Investigation of admission serum creatinine as a predictor of hospital length of stay in triple-vaccinated COVID-19 inpatients

    Article • International Health, February 2023, Oxford University Press (OUP)

    Dr. Ourania S. Kotsiou

  20. Cutting-Edge Approaches in Respiratory and Critical Care Medicine

    Article • Journal of Personalized Medicine, January 2023, MDPI AG

    Dr. Ourania S. Kotsiou

  21. Are younger COPD patients adequately vaccinated for influenza and pneumococcus?

    Article • Respiratory Medicine, November 2022, Elsevier

    Dr. Ourania S. Kotsiou

  22. Serum Levels of Urokinase Plasminogen Activator Receptor (suPAR) Discriminate Moderate Uncontrolled from Severe Asthma

    Article • Journal of Personalized Medicine, October 2022, MDPI AG

    Dr. Ourania S. Kotsiou

  23. The Comparative Superiority of SARS-CoV-2 Antibody Response in Different Immunization Scenarios

    Article • Journal of Personalized Medicine, October 2022, MDPI AG

    Dr. Ourania S. Kotsiou

  24. Obesity as a Risk Factor for Venous Thromboembolism Recurrence: A Systematic Review

    Article • Medicina, September 2022, MDPI AG

    Dr. Ourania S. Kotsiou

  25. Prevalence of Hemorrhagic Complications in Hospitalized Patients with Pulmonary Embolism

    Article • Journal of Personalized Medicine, July 2022, MDPI AG

    Dr. Ourania S. Kotsiou

  26. Lessons We Have Learned Regarding Seroprevalence in High and Low SARS-CoV-2 Contexts in Greece before the Omicron Pandemic Wave

    Article • International Journal of Environmental Research and Public Health, May 2022, MDPI AG

    Dr. Ourania S. Kotsiou

  27. Exercise Preferences and Benefits in Patients Hospitalized with COVID-19

    Article • Journal of Personalized Medicine, April 2022, MDPI AG

    Dr. Ourania S. Kotsiou

  28. Predictors of SARS-CoV-2 IgG Spike Antibody Responses on Admission and Clinical Outcomes of COVID-19 Disease in Fully Vaccinated Inpatients: The CoVax Study

    Article • Journal of Personalized Medicine, April 2022, MDPI AG

    Dr. Ourania S. Kotsiou

  29. Immune response to the severe acute respiratory syndrome coronavirus 2 vaccines: Is it sustained in the diabetes population?

    Article • Journal of Diabetes Investigation, March 2022, Wiley

    Dr. Ourania S. Kotsiou

  30. Incorporating Biomarkers in COPD Management: The Research Keeps Going

    Article • Journal of Personalized Medicine, March 2022, MDPI AG

    Dr. Ourania S. Kotsiou

  31. Association between Interleukin-6 and vitamin D serum levels in patients with obstructive sleep apnea syndrome and impact of long-term continuous positive airway pressure therapy on biomarker levels

    Article • Respiratory Physiology & Neurobiology, February 2022, Elsevier

    Dr. Ourania S. Kotsiou

  32. Defining Antibody Seroprevalence and Duration of Humoral Responses to SARS-CoV-2 Infection and/or Vaccination in a Greek Community

    Article • International Journal of Environmental Research and Public Health, December 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  33. Alanine aminotransferase serum levels in COVID-19 patients inversely correlate with SARS-CoV-2 antigen

    Article • European Journal of Gastroenterology & Hepatology, December 2021, Wolters Kluwer Health

    Dr. Ourania S. Kotsiou

  34. Association of Psychopathology Symptoms, Self-Compassion, and Forgiveness in Patients With Pulmonary Embolism

    Article • Cureus, November 2021, Cureus, Inc.

    Dr. Ourania S. Kotsiou

  35. Temporal Associations of the SARS-CoV-2 NP Antigen and Anti-Spike Total Ig Levels with Laboratory Parameters in a Greek Cohort of Hospitalized COVID-19 Patients

    Article • Canadian Respiratory Journal, September 2021, Hindawi Publishing Corporation

    Dr. Ourania S. Kotsiou

  36. Primary cilium modulates mesothelioma cell viability and 3D sphere formation

    Article • September 2021, European Respiratory Society (ERS)

    Dr. Ourania S. Kotsiou

  37. Investigating the parameters that affect first night CPAP adherence

    Article • September 2021, European Respiratory Society (ERS)

    Dr. Ourania S. Kotsiou

  38. Primary cilium regulates cell migration and mechanical contraction in mesothelioma cell models

    Article • September 2021, European Respiratory Society (ERS)

    Dr. Ourania S. Kotsiou

  39. Evaluation quality of life, anxiety, and depression in patients with obstructive sleep syndrome before and after three and twelve months of continuous positive airway pressure therapy

    Article • September 2021, European Respiratory Society (ERS)

    Dr. Ourania S. Kotsiou

  40. Determinants of Influenza Vaccination Coverage among Greek Health Care Workers amid COVID-19 Pandemic

    Article • Infectious Disease Reports, August 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  41. Estimates of COVID-19 Risk Factors among Social Strata and Predictors for a Vulnerability to the Infection

    Article • International Journal of Environmental Research and Public Health, August 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  42. Efferocytosis fuels malignant pleural effusion through TIMP1

    Article • Science Advances, August 2021, American Association for the Advancement of Science

    Dr. Ourania S. Kotsiou

  43. Persistent consolidation: a MALT-easer

    Article • Thorax, July 2021, BMJ

    Dr. Ourania S. Kotsiou

  44. The Impact of the Lockdown Caused by the COVID-19 Pandemic on the Fine Particulate Matter (PM2.5) Air Pollution: The Greek Paradigm

    Article • International Journal of Environmental Research and Public Health, June 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  45. Understanding COVID-19 Epidemiology and Implications for Control: The Experience from a Greek Semi-Closed Community

    Article • Journal of Clinical Medicine, June 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  46. Action and Reaction of Pre-Primary and Primary School-Age Children to Restrictions during COVID-19 Pandemic in Greece

    Article • Journal of Personalized Medicine, May 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  47. PM2.5 Pollution Strongly Predicted COVID-19 Incidence in Four High-Polluted Urbanized Italian Cities during the Pre-Lockdown and Lockdown Periods

    Article • International Journal of Environmental Research and Public Health, May 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  48. Venous Thromboembolic Disease in Chronic Inflammatory Lung Diseases: Knowns and Unknowns

    Article • Journal of Clinical Medicine, May 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  49. Pulmonary function testing in COPD: looking beyond the curtain of FEV1

    Article • npj Primary Care Respiratory Medicine, May 2021, Springer Science + Business Media

    Dr. Ourania S. Kotsiou

  50. HΜGB1/sRAGE levels differ significantly between transudates and exudates

    Article • Cytokine, May 2021, Elsevier

    Dr. Ourania S. Kotsiou

  51. The role of nitric oxide in pleural disease

    Article • Respiratory Medicine, April 2021, Elsevier

    Dr. Ourania S. Kotsiou

  52. Underestimation of respiratory symptoms by smokers: a thorn in chronic obstructive pulmonary disease diagnosis

    Article • npj Primary Care Respiratory Medicine, March 2021, Springer Science + Business Media

    Dr. Ourania S. Kotsiou

  53. Acceptability of COVID-19 Vaccination among Greek Health Professionals

    Article • Vaccines, February 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  54. Repeated Antigen-Based Rapid Diagnostic Testing for Estimating the Coronavirus Disease 2019 Prevalence from the Perspective of the Workers’ Vulnerability before and during the Lockdown

    Article • International Journal of Environmental Research and Public Health, February 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  55. Calprotectin in Lung Diseases

    Article • International Journal of Molecular Sciences, February 2021, MDPI AG

    Dr. Ourania S. Kotsiou

  56. Bacteriology, antibiotic resistance and risk stratification of patients with culture-positive, community-acquired pleural infection

    Article • Journal of Thoracic Disease, February 2021, AME Publishing Company

    Dr. Ourania S. Kotsiou

  57. Compliance of Bronchial Asthma Patients’ with the Mediterranean Diet

    Article • January 2021, Springer Science + Business Media

    Dr. Ourania S. Kotsiou

  58. Letter to Editor regarding Prata et al. (2020), Temperature significantly changes COVID-19 transmission in (sub)tropical cities of Brazil. Science of Total Environment, v729, 138862

    Article • The Science of The Total Environment, December 2020, Elsevier

    Dr. Ourania S. Kotsiou

  59. Fighting with the Lernean Hydra: Greek Humanitarian Crisis Enters Worst-Case Scenario. Comment on: Joseph, L.; Ismail, S.A.; Gunst, M.; Jarman, K.; Prior, D.; Harris, M.; Abbara, A. A Qualitative Research Study Which Explores Humanitarian Stakeholders’...

    Article • International Journal of Environmental Research and Public Health, November 2020, MDPI AG

    Dr. Ourania S. Kotsiou

  60. Serum vitamin D levels in patients with obstructive sleep apnea syndrome and concentration changes after continuous positive airway pressure treatment

    Article • September 2020, European Respiratory Society (ERS)

    Dr. Ourania S. Kotsiou

  61. Evaluation of the executive functions of the brain in adult patients with obstructive sleep apnea syndrome

    Article • September 2020, European Respiratory Society (ERS)

    Dr. Ourania S. Kotsiou

  62. Serum vitamin D levels in patients with obstructive sleep apnea syndrome and level changes after continuous positive airway pressure therapy

    Article • Sleep And Breathing, August 2020, Springer Science + Business Media

    Dr. Ourania S. Kotsiou

  63. Common variable immunodeficiency and asthma

    Article • Annals of Allergy Asthma & Immunology, June 2020, Elsevier

    Dr. Ourania S. Kotsiou

  64. Clinical profile of severe asthmatics receiving biological treatment: see behind the scenes

    Article • Journal of Asthma, April 2020, Taylor & Francis

    Dr. Ourania S. Kotsiou

  65. Enhanced Public Interest in Response to the Refugee and Healthcare Crises in Greece

    Article • International Journal of Environmental Research and Public Health, March 2020, MDPI AG

    Dr. Ourania S. Kotsiou

  66. Fractional exhaled nitric oxide: where there is smoke, there is fire

    Article • Journal of Asthma, January 2020, Taylor & Francis

    Dr. Ourania S. Kotsiou

  67. When the brain hurts the lung: neurogenic pulmonary edema following a first epileptic seizure

    Article • Epileptic Disorders, December 2019, Wiley

    Dr. Ourania S. Kotsiou

  68. A hiding in the lining: Irregular wide‐complex tachycardia due to atrial fibrillation in Wolff‐Parkinson‐White syndrome

    Article • Pacing and Clinical Electrophysiology, October 2019, Wiley

    Dr. Ourania S. Kotsiou

  69. Transcutaneous carbon dioxide monitoring as a predictive tool for all-cause 6-month mortality after acute pulmonary embolism

    Article • European Journal of Internal Medicine, October 2019, Elsevier

    Dr. Ourania S. Kotsiou

  70. Necessity of co-operation between pulmonologists and internists in tuberculous pleurisy diagnosis

    Article • Expert Review of Respiratory Medicine, September 2019, Taylor & Francis

    Dr. Ourania S. Kotsiou, Prof Konstantinos KI Gourgoulianis

  71. Exhaled nitric oxide as a marker of chlorine exposure in young asthmatic swimmers

    Article • Annals of Allergy Asthma & Immunology, September 2019, Elsevier

    Dr. Ourania S. Kotsiou

  72. Antithrombotic therapy for elderly patients with acute coronary syndrome: reasons to be cautious

    Article • European Heart Journal - Cardiovascular Pharmacotherapy, August 2019, Oxford University Press (OUP)

    Dr. Ourania S. Kotsiou

  73. Pleural Effusion IL-33/sST2 Levels and Effects of Low and High IL-33/sST2 Levels on Human Mesothelial Cell Adhesion and Migration

    Article • Inflammation, August 2019, Springer Science + Business Media

    Dr. Ourania S. Kotsiou

  74. A six-year microbiologic study of hospital-acquired and health-care associated parapneumonic pleural infection

    Article • European Journal of Internal Medicine, May 2019, Elsevier

    Dr. Ourania S. Kotsiou

  75. Pleural effusions induced by human herpesviruses in the immunocompetent host

    Article • Infectious Diseases, January 2019, Taylor & Francis

    Prof Konstantinos KI Gourgoulianis, Dr. Ourania S. Kotsiou, Erasmia Rouka

  76. A case report of mesalazine-induced lung injury: A reversible drug side effect

    Article • Respiratory Medicine Case Reports, January 2019, Elsevier

    Dr. Ourania S. Kotsiou

  77. Detection of mitochondrial transfer RNA (mt-tRNA) gene mutations in patients with idiopathic pulmonary fibrosis and sarcoidosis

    Article • Mitochondrion, November 2018, Elsevier

    Dr. Ourania S. Kotsiou

  78. IL-33/ST2 Axis in Organ Fibrosis

    Article • Frontiers in Immunology, October 2018, Frontiers

    Dr. Ourania S. Kotsiou

  79. Impact of the Refugee Crisis on the Greek Healthcare System: A Long Road to Ithaca

    Article • International Journal of Environmental Research and Public Health, August 2018, MDPI AG

    Dr. Ourania S. Kotsiou

  80. The Emergency Medical System in Greece: Opening Aeolus’ Bag of Winds

    Article • International Journal of Environmental Research and Public Health, April 2018, MDPI AG

    Dr. Ourania S. Kotsiou

  81. Fractional exhaled nitric oxide

    Article • Annals of Allergy Asthma & Immunology, March 2018, Elsevier

    Dr. Ourania S. Kotsiou

  82. Missed diagnosis and overtreatment of COPD among smoking primary care population in Central Greece: old problems persist

    Article • International Journal of Chronic Obstructive Pulmonary Disease, February 2018, Dove Medical Press

    Prof Konstantinos KI Gourgoulianis, Dr. Ourania S. Kotsiou

  83. Impact of the financial crisis on COPD burden: Greece as a case study

    Article • European Respiratory Review, January 2018, European Respiratory Society (ERS)

    Dr. Ourania S. Kotsiou

  84. Repeatability of pleural adenosine deaminase measurements in diagnostic evaluation of pleural effusions

    Article • Journal of Clinical Laboratory Analysis, December 2017, Wiley

    Dr. Ourania S. Kotsiou

  85. Letter by Kotsiou and Gourgoulianis Regarding Article, “Pathophysiology of Takotsubo Syndrome”

    Article • Circulation, December 2017, Wolters Kluwer Health

    Dr. Ourania S. Kotsiou

  86. The axis of ΗMGB1 and soluble RAGE levels in pleural effusions from various etiologies

    Article • September 2017, European Respiratory Society (ERS)

    Dr. Ourania S. Kotsiou

  87. Kounis Syndrome: Is it Really a Takotsubo-Like Syndrome?

    Article • Journal of Investigational Allergology and Clinical Immunology, May 2017, Esmon Publicidad, SA

    Dr. Ourania S. Kotsiou

  88. Prehospital NSAIDs use prolong hospitalization in patients with pleuro-pulmonary infection

    Article • Respiratory Medicine, February 2017, Elsevier

    Dr. Ourania S. Kotsiou

  89. Takotsubo cardiomyopathy: A known unknown foe of asthma

    Article • Journal of Asthma, January 2017, Taylor & Francis

    Dr. Ourania S. Kotsiou

  90. Pneumomediastinum in MDA5-associated clinically amyopathic dermatomyositis

    Article • Rheumatology Advances in Practice, January 2017, Oxford University Press (OUP)

    Dr. Ourania S. Kotsiou

  91. IL-33 levels in pleural fluids from various etiologies differentially alter mesothelial cell adhesion and migration

    Article • September 2016, European Respiratory Society (ERS)

    Dr. Ourania S. Kotsiou

  92. A rare presentation of tuberous sclerosis complex: Complicated renal cyst leads to sepsis

    Article • International Journal of Case Reports and Images, January 2016, Edorium Journals Pvt. Ltd.

    Dr. Ourania S. Kotsiou