• Dec 2022 Received the ERC qualification Advanced Life    Support   (ALS) Provider and Instructor Potential
• March2022 Certified in Adult Transthoracic Echocardiography by the European Association of Cardiovascular Imaging (EACVI)          
• Oct2021-Oct 2022 Postgraduate program ‘Cardiometabolic                                                                                        School’ (Metropolitan Hospital in collaboration with the 1st Cardiology Department of University Hospital of Athens and the University of Sorbonne France)
• Dec 2017 Master of Science, Social Medicine and Mental Health, University of Ioannina Medical School
• 2016 European Resuscitation Council Advanced Life Support (ALS) Provider
• Oct 2013 – June 2015 Post-graduate student (MSc in Social Medicine and Mental Health), University of Ioannina Medical School,  (Prof D. Damigos)
• 2009  European Resuscitation Council Advanced Life Support (ALS) Provider
• Nov 2007 Medical Diploma, University of Ioannina Medical School
• July 2005 Participation in Aegean and Ionian Greek islands Aid Projects Program 
• Oct 2003 – Nov 2003 First helper seminar on the Greek Red Cross
• 2001 -2007 Doctor of Medicine, second honours, School of Medicine, University of Ioannina, Ioannina, Greece
• 1998-2001 2nd High School, Ioannina, Greece

• 02 Oct 2018 – Jan2023 Consultant Cardiologist, Cardiology Department of Hatzikosta General Hospital of Ioannina (Dr. Evgenia Pappa)
• Jan2020 - Dec 2020 Training in Interventional Cardiology in the Catheterization Laboratory of Hatzikosta General Hospital of Ioannina – annual scholarship by the Hellenic Cardiology Society 
• July 2018 – Oct 2018 Consultant cardiologist, 1st cardiology department of University hospital of Ioannina (Prof Ioannis Goudevenos)
• July 2018Completion of specialist training 
• Feb 2015 – Feb 2018 Resident in Cardiology, 2nd  CardiologyDepartment, University Hospital of Ioannina, Ioannina, Greece (Prof Lampros MIchalis )
• Sept 2013 – Dec 2013 Senior House Officer in General Medicine in Hatzikosta General Hospital and Primary Health Center of Pramanta, Ioannina, Greece
• April 2012 – Aug 2013 Resident in Cardiology, General Hospital of Arta, Arta, Greece
• Mar 2010 – Jan 2012Resident in Internal Medicine, General Hospital of Grevena, Grevena, Greece
• May 2009 – Feb 2010 Senior House Officer in General Medicine in Agrinio General Hospital and Primary Health Center of Vonitsa, Aitoloakarnania, Greece
• Nov 2007 – Nov 2008 Military services, Soldier of Sanitary, Senior  House Officer in General Medicine, Kastoria Station and Petrochori Xanthi Station

• Preventive cardiology

• Echocardiography 

• Heart Failure

• Invited Presentations

• • • Workshop of cardiological metabolic and vascular events in patients with neoplasias, Lefkas  17 June 2017
    • Case report : a. Patient with cardiogenic shock and history of pulmonary hypertension without treatment b. 55-year-old man with first-onset shortness of breath at minimal work after a recent infection. Ioannina Cardiovascular Education 2-3 Dec 2017
    • Case report : Estimation of thromboembolic and haemorrhagic risk in a patient with heart failure.Ioannina Cardiovascular Education 7 May 2016
    • Case report : Stable coronary heart disease, problems with patient management and newer data.Ioannina Cardiovascular Education 16 April 2016
    • Case report : Patient with hereditary hemoglobinopathy and dyspnoea - Diagnosis and treatment. Ioannina Cardiovascular Education 3 Dec 2016
    • Case report : Special patient groups with atrial fibrillation. Ioannina Cardiovascular Education 8 Feb 2014

• Abstracts/ Presentations

• P. Oikonomou , A. Kotsia , G. Nakas , S. Karatasitsa, E. Pappa. Tamponade induced Takotsubo Cardiomyopathy in the setting of firstly diagnosed breast cancer: a case report. International Congress of Cardiology, Athens  October 2022
• V. Mpolis , G. Nakas, E. Pappa. Acute myocardial Infarction after SARS-COV-2 vaccination: a case report. International Congress of Cardiology , Athens October 2022
• V. Bolis, E. Pappa, S. Karabina, E. Revi, A. Kotsia, G. Nakas, B. Telaki, E. Toli, D. Venetis, P. Karanikis, V. Dimitroula. Popliteal vein aneurysm as a rare cause of massive pulmonary embolism. 41st Panhellenic Cardiology Congress, October 2020
• S. Mantzoukis1, Marina Gerasimou2, K. Bakas1, Konstantina Tsoumanis3, G. Nakas1. Destructive effects of stress cardiomyopathy (Takostubo cardiomyopathy). 22nd Panhellenic Congress of Internal Pathology, Athens 30/10-2/11/2019
• N. Vryzas, A. Behlioulis, G. Nakas, D. Venetis, M. Midalkou, A. Kourtinos, I. Samaras, G. Katsanos, A. Sahinidis, K. Berbeis, G. Nakas, L. Michalis. Oral Anticoagulation in patients with atrial fibrillation and hepatic dysfunction: Case report and literature review, Hellenic Journal of Atherosclerosis, 8th National Congress of Hellenic Atherosclerosis Society November 29 – December 1, 2018

• • APKotsia, MPapafaklis, TMichael, BRangan, MPelz, MRoesle, MJessen, BWillis, GChristopoulos,, GeorgiosNakas, SofiaGiannitsi, SpyrosSioros, KonstantinosArgyropoulos, DimitrisFotiadis, LamprosMichalis, LamprosMichalis, SubhashBanerjee, EmmanouilBrilakis. Effect of Endothelial Shear Stress on the Serial Changes of Vein Grafts Assessed By Optical Coherence Tomography during the First Year After Coronary Artery Bypass Graft Surgery: Analysis from The CABG-PRO Study. AHA 2014, Chicago, IL
  • D. Evangelou, K.K. Naka, R. Kalaitzidis , L. Lakkas, A. Bechlioulis, I. Gkirdis, G. Nakas  F. Zarzoulas , A. Kotsia , O. Balafa , G. Tzeltzes , K. Pappas, C.S. Katsoura, E. Ntounousi, L.K. Michalis, K. Siamopoulos. Predictors of novel indices of left ventricular systolic function in patients with arterial hypertension and preserved ejection fraction. 35th Panhellenic Cardiology Congress Oct 2014
  • M. Papafaklis, A. Kotsia, T. Michael, B. Rangan, M. Peltz, M. Roesle, M. Jessen, B. Willis, G. Christopoulos, G. Nakas, S. Giannitsi, S. Sioros, K. Argyropoulos, D. Fotiadis, L. Michalis, S. Banerjee, E. Brilakis. Effect of endothelial shear stress on the serial changes of vein grafts assessed by optical coherence tomography during the first year after coronary artery bypass graft surgery: Analysis from the CABG-PRO study. 35th Panhellenic Cardiology Congress Oct 2014.
  • Evangelou D, Naka KK, Kalaitzidis R, Lakkas L, Bechlioulis A, Gkirdis I, Nakas G, Zarzoulas F, Kotsia A, Balafa O, Tzeltzes G, Pappas K, Katsouras CS, Dounousi E, Michalis LK, Siamopoulos K.Determinants of early changes in left ventricular systolic function in patients with essential hypertension and normal ejection fraction. 51st ERA-EDTA Congress, Amsterdam, The Netherlands, May 31-June 3 2014, SP 048
  • Lakkas L, Naka KK, Dounousi E, Koutlas V, Gkirdis I, Bechlioulis A, Evangelou D, Zarzoulas F, Kotsia A, Balafa O, Tzeltzes G, Nakas G, Pappas K, Kalaitzidis R, Katsouras CS, Michalis LK, Siamopoulos K. Determinants of left ventricular mass in renal transplant recipients. 51st ERA-EDTA Congress, Amsterdam, The Netherlands, May 31-June 3 2014, SP 764

• Lakkas L, Naka KK, Dounousi E, Koutlas V, Gkirdis I, Bechlioulis A, Evangelou D, Zarzoulas F, Kotsia A, Balafa O, Tzeltzes G, Nakas G, Pappas K, Kalaitzidis R, Katsouras CS, Michalis LK, Siamopoulos K. Determinants of left ventricular mass in renal transplant recipients. Journal of Hypertension 2014;32(e-Supplement 1):e204 (poster PP.06.18) - Poster prize Alberto Ferrari - ESH/ISH 2014

• Evangelou D, Naka KK, Kalaitzidis R, Lakkas L, Bechlioulis A, Gkirdis I, Nakas G, Zarzoulas F, Kotsia A, Balafa O, Tzeltzes G, Pappas K, Katsouras CS, Dounousi E, Michalis LK, Siamopoulos K. Determinants of early changes in left ventricular systolic function in patients with essential hypertension and normal ejection fraction. Journal of Hypertension 2014;32(e-Supplement 1):e95 (oral 7B.07)

• Participation in multi-center industry funded study (Local Sub-Investigator – site staff)

• • STAND UP AHF: A Multicenter, Randomized, Double-Blind, Parallel-Group, Placebo-Controlled, Dose-Ranging, Phase 2b Study of the Safety and Efficacy of Continuous 48-Hour Intravenous Infusions ofBMS-986231 in Hospitalized Patients with Heart Failure and Impaired Systolic Function, University Hospital of Ioannina
  • AMGEN Study 20210006: ‘The real-life management of hyperlipidemia in patients after an acute coronary syndrome (ACS) in Greece’

• Member of Cyprus Medical Association 
• Member of Ioannina Medical Council
• Member of Hellenic Society of Cardiology
• Member of European Society of Cardiology
• Silver member of European Association of Cardiovascular Imaging (EACVI)

Publications in peer-reviewed educational journals

• Nakas G, Bechlioulis A, Marini A, Vakalis K, Bougiakli M, Giannitsi S, Nikolaou K, Antoniadou EI, Kotsia A, Gartzonika K, Chasiotis G, Bairaktari E, Katsouras CS, Triantis G, Sionis D, Michalis LK, Naka KK. The importance of characteristics of angina symptoms for the prediction of coronary artery disease in a cohort of stable patients in the modern era. Hellenic J Cardiol. 2018 Jun 8
• KotsiaAP, PapafaklisMI, MichaelTT, RanganBV, PeltzM, RoesleM, JessenM, WillisB, ChristopoulosG, NakasG, GiannitsiS, MichalisLK, FotiadisDI, BanerjeeS, BrilakisES. Serial Multimodality Evaluation of Aortocoronary Bypass Grafts During the First Year After Coronary Artery Bypass Graft Surgery: Insights from the Cardiac Catheterization for Bypass Graft Patency Rate Optimization (CABG-PRO) study. JACC Imaging 2015; Nov;8(11):1341-3. doi: 10.1016/j.jcmg.2014.12.017.