VELISSARIS DIMITRIOS, Professor

dvelissaris@upatras.gr

Office hours

15.00-17.00 Friday

Summary of Curriculum Vitae

09/1992
Obtaining a medical degree from the University of Patras.

06/1994 – 06/1995
Fulfillment of the Field Service at the Ithaca Health Center.

08/1995 – 12/1996
Specialist in Internal Medicine at the General Prefectural Hospital of Samos.

12/1996 – 09/2000
Specialist in Internal Medicine at the University General Hospital of Patras.

25/01/2001
Obtaining a specialization title in Internal Medicine

03/2001 - 01/2002
Member of the Medical Association of Great Britain. Continuing education in Hepatology. Research and clinical practice at the Hepatology Unit of the Queen Elizabeth University Hospital-BIRMINGHAM, UNITED KINGDOM. Working in the Intensive Care and Transplantation Unit of the Hepatology Unit of the Queen Elizabeth Hospital.

01/2002 - 09/2003
Specialization in Intensive Care in the multi-purpose Intensive Care Unit of the University General Hospital of Patras (capacity of 14 beds)

06/2005
Obtaining the title of Specialization in Intensive Care following examinations that took place in Thessaloniki.

03/2008
Doctor of Medicine, PhD, School of Health Sciences, University of Patras.

09/2003 - 02/2012
Consultant of Internal Medicine at the Intensive Care Unit of the University General Hospital of Patras.

12/2009 – 05/2010
Retraining in ICU infections and the study of the septic patient. Research and clinical practice in the Intensive Care Unit of the University Hospital Erasme Universite Libre de Bruxelles. BRUSSELS, BELGIUM. At the same time, laboratory research in septic animal experimental models.

02/2012 – 12/2013
Lecturer of Internal Medicine, Department of Medicine, School of Health Sciences, University of Patras.

12/2013 – 06/2017
Assistant Professor of Internal Medicne (tenured) of the Department of Medicine, School of Health Sciences, University of Patras.

06/2017 – 06/2020
Assistant Professor of Internal Medicine (permanent) of the Department of Medicine, Faculty of Health Sciences, University of Patras.

11/2018- 02/2019
Research and laboratory exercise in the subject 'Immunology of sepsis' at the Lab Experimentele Interne Geneeskunde - Afdeling Interne Geneeskunde of the Radboud Universitair Medisch Centrum, NIJMEGEN, THE NETHERLANDS. At the same time, gaining experience in the experimental approach and laboratory techniques in the field of 'Innate immune memory'.

06/2020- 06/2024
Associate Professor of Internal and Emergency Medicine of the Department of Medicine, School of Health Sciences, University of Patras.

18/04/2022-17/06/2022
Sabbatical – completion of the Trauma Observation Program at the R Adams Cowley Shock Trauma Center, University of Maryland Medical Center. Observership in various Emergency Departments throught Maryland.
Visiting Associate Professor at the University of Maryland, School of Medicine. Research and educational activities in the Department of Epidemiology and Public Health, School of Medicine, University of Maryland, BALTIMORE, UNITED STATES OF AMERICA.

06/2024 - today 

Professor of Internal Medicine and Intensive Care of the Department of Medicine, School of Health Sciences, University of Patras.

Undergraduate Courses

• ΕΙΣΑΓΩΓΗ ΣΤΗΝ ΚΛΙΝΙΚΗ ΙΑΤΡΙΚΗ (Semester: Α)
• ΕΙΣΑΓΩΓΗ ΣΤΙΣ ΚΛΙΝΙΚΕΣ ΔΕΞΙΟΤΗΤΕΣ - ΠΡΩΤΕΣ ΒΟΗΘΕΙΕΣ (Semester: Β)

Postgraduate Courses

teaching Professor

lectures in 'Infectious Diseases' post-graduate course, Medical School, National and Capodestrian University of Athens, Greece

lectures in 'Therapeutic Exercise' post-graduate course, School of Health Restoration Sciences, Department of Physical Therapy, University of Patras, Greece 

lectures in 'Management and Rehabilitation of the Critically Ill' post-graduate course, Medical School, University of Thessaly, Greece

Selected Publications

Complex immune dysregulation in COVID-19 patients with severe respiratory failure EJ Giamarellos-Bourboulis, MG Netea, N Rovina, K Akinosoglou, ... Cell host & microbe 27 (6), 992-1000. e3
Biomarkers of sepsis: time for a reappraisal C Pierrakos, D Velissaris, M Bisdorff, JC Marshall, JL Vincent Critical Care 24, 1-15
Acute respiratory distress syndrome: pathophysiology and therapeutic options C Pierrakos, M Karanikolas, S Scolletta, V Karamouzos, D Velissaris Journal of clinical medicine research 4 (1), 7
Favourable medium term outcome following hepatic vein recanalisation and/or transjugular intrahepatic portosystemic shunt for Budd Chiari syndrome CE Eapen, D Velissaris, M Heydtmann, B Gunson, S Olliff, E Elias Gut 55 (6), 878-884
Can changes in arterial pressure be used to detect changes in cardiac index during fluid challenge in patients with septic shock? C Pierrakos, D Velissaris, S Scolletta, S Heenen, D De Backer, JL Vincent Intensive care medicine 38, 422-428
Allergic reactions to current available COVID-19 vaccinations: pathophysiology, causality, and therapeutic considerations NG Kounis, I Koniari, C de Gregorio, D Velissaris, K Petalas, A Brinia, ... Vaccines 9 (3), 221
Macrophage activation-like syndrome: an immunological entity associated with rapid progression to death in sepsis E Kyriazopoulou, K Leventogiannis, A Norrby-Teglund, G Dimopoulos, ... BMC medicine 15, 1-10
Hypomagnesemia in critically ill sepsis patients D Velissaris, V Karamouzos, C Pierrakos, D Aretha, M Karanikolas Journal of clinical medicine research 7 (12), 911
Correlation between neutrophil-to-lymphocyte ratio and severity scores in septic patients upon hospital admission. A series of 50 patients D Velissaris, ND Pantzaris, P Bountouris, C Gogos Romanian Journal of Internal Medicine 56 (3), 153-157
Impact of infection on the prognosis of critically ill cirrhotic patients: results from a large worldwide study T Gustot, P Felleiter, P Pickkers, Y Sakr, J Rello, D Velissaris, C Pierrakos, ... Liver International 34 (10), 1496-1503
Multimarker strategy for the prediction of 31 days cardiac death in patients with acutely decompensated chronic heart failure MN Zairis, GZ Tsiaousis, AT Georgilas, SS Makrygiannis, ... International journal of cardiology 141 (3), 284-290
C-reactive protein and frailty in the elderly: a literature review D Velissaris, N Pantzaris, I Koniari, N Koutsogiannis, V Karamouzos, ... Journal of clinical medicine research 9 (6), 461
Risks and benefits of transcatheter thrombolytic therapy in patients with splanchnic venous thrombosis JH Smalberg, MV Spaander, KSG Jie, PMT Pattynama, HR van Buuren, ... Thrombosis and haemostasis 100 (12), 1084-1088
Non-cirrhotic intrahepatic portal hypertension: associated gut diseases and prognostic factors CE Eapen, P Nightingale, SG Hubscher, PJ Lane, T Plant, D Velissaris, ... Digestive diseases and sciences 56, 227-235
Kounis syndrome—not a single-organ arterial disorder but a multisystem and multidisciplinary disease NG Kounis, I Koniari, D Velissaris, G Tzanis, G Hahalis Balkan medical journal 36 (4), 212
Prognosis of COVID-19: Changes in laboratory parameters M Lagadinou, EE Solomou, N Zareifopoulos, M Marangos, C Gogos, ... Age (yrs) 62 (13.4), 47-16.42
SAPHO syndrome diagnosis and treatment: report of five cases and review of the literature C Matzaroglou, D Velissaris, A Karageorgos, M Marangos, ... The Open Orthopaedics Journal 3, 100
Demographic and clinical features of critically ill patients with COVID-19 in Greece: The burden of diabetes and obesity P Halvatsiotis, A Kotanidou, K Tzannis, E Jahaj, E Magira, ... Diabetes research and clinical practice 166, 108331
High mixed venous oxygen saturation levels do not exclude fluid responsiveness in critically ill septic patients D Velissaris, C Pierrakos, S Scolletta, D De Backer, JL Vincent Critical Care 15, 1-6
Neutrophil-to-lymphocyte ratio relation to sepsis severity scores and inflammatory biomarkers in patients with community-acquired pneumonia: a case series ND Pantzaris, C Platanaki, C Pierrako, V Karamouzos, D Velissaris Journal of translational internal medicine 6 (1), 43-46 Administration of tetrahydrobiopterin improves the microcirculation and outcome in an ovine model of septic shock X He, F Su, D Velissaris, DR Salgado, D de Souza Barros, S Lorent, ... Critical care medicine 40 (10), 2833-2840           The use of sodium bicarbonate in the treatment of acidosis in sepsis: a literature update on a long term debate D Velissaris, V Karamouzos, N Ktenopoulos, C Pierrakos, M Karanikolas Critical care research and practice 2015 (1), 605830     The role of procalcitonin in the diagnosis of meningitis: a literature review D Velissaris, M Pintea, N Pantzaris, E Spatha, V Karamouzos, C Pierrakos, ... Journal of clinical medicine 7 (6), 148     Use of sodium bicarbonate in cardiac arrest: current guidelines and literature review D Velissaris, V Karamouzos, C Pierrakos, I Koniari, C Apostolopoulou, ... Journal of clinical medicine research 8 (4), 277     Levosimendan in critical illness: a literature review C Pierrakos, D Velissaris, F Franchi, L Muzzi, M Karanikolas, S Scolletta Journal of clinical medicine research 6 (2), 75

Selected Presentations

 

8^th Regional Growth Conference 2020. Session Οργάνωση της βασικής δομής του νοσοκομειακού συστήματος κάτω από συνθήκες πίεσης. Προβλήματα και Μεθοδολογία (ΤΕΠ-Κλινική-ΜΕΘ). Ομιλητές Δημήτρης Βελισσάρης, Α Πεφάνης, Α Κοτανίδου. Achaia Clauss, Πάτρα, 04 Ιουλίου 2020. Διοργάνωση ‘Πελοπόννησος’, Περιφέρεια Δυτικής Ελλάδος.

 

5ο Πανελλήνιο Συνέδριο Αναζωογόνησης και Αντιμετώπισης Επείγοντος Περιστατικού. Η Αναζωογόνηση συναντά όλες τις ειδικότητες. Ομιλία Δ Βελισσάρης : Ο ρόλος των βιοδεικτών στην νόσο COVID-19. Διοργάνωση : Ελληνική Εταιρεία Καρδιοπνευμονικής Αναζωογόνησης (ΕΕΚΑΑ). Αθήνα, 07-09 Οκτωβρίου 2021.

 

EPH Grand Rounds. Department of Epidemiology and Public Health for Baltimore and Beyond. School of Medicine. University of Maryland. Presentation: Sepsis definitions. Sepsis biomarkers in clinical practice. Thursday, June 2, 2022. 12:00pm–1:00pm. Baltimore, USA.

 

2ο Πανελλήνιο Διαδικτυακό Συνέδριο Ιατρικής Βιοπαθολογίας. Διοργάνωση : Ελληνική Εταιρεία Βιοπαθολογίας / Εργαστηριακής Ιατρικής. Προεδρειο στο Στρογγυλο Τραπεζι : Σηπτικο Συνδρομο.  Ομιλια : Κατευθυνόμενη χορήγηση αντιβιοτικών με τη χρήση βιοδεικτών. 17 - 18 Δεκεμβρίου 2022.

 

Σύγχρονες Εξελίξεις στην Διάγνωση και Θεραπεία των Λοιμώξεων. Διοργάνωση: Ινστιτούτο Μελέτης Λοιμώξεων στον Διαβητικό ασθενή. Σε συνεργασία με Metropolitan General και Greek Scientists Society. Στρογγυλό Τραπέζι : Προβλήματα στην Διαχείρηση του σηπτικού ασθενούς. Ομιλία με θέμα: Χρήση Βιοδεικτών. Σάββατο 11 Νοεμβρίου 2023, 10.00-11.00, Αθήνα.

PhD Theses Advisor

 

SUPERVISOR OF COMPLETED AND PRESENTED MEDICAL THESIS IN THE DEPARTMENT OF MEDICINE, SCHOOL OF HEALTH SCIENCES, UNIVERSITY OF PATRAS, GREECE

Study of phagocyte function in patients with diabetes mellitus and sepsis. 14/07/2020.

The role of the Electroencephalogram (EEG) in the study of septic patients with and without involvement of the Central Nervous System. Correlation of EEG findings with inflammatory plasma biomarkers and clinical outcome. 04/07/2023.

Comparison of cytokine secretion pattern, toxicity and outcome in patients with sepsis caused by multi-resistant and multi-susceptible microorganisms. 16/06/2023.

Association of low molecular weight neurofibrillar (NfL) and other genetic biomarkers with neurotoxicity induced by administration of paclitaxel-based chemotherapy. 22/09/2023.

Adrenal insufficiency in liver cirrhosis. 20/11/2023.