Education

2010 – 2011: Master ERCP Thesis University VITA SALUTE SAN RAFFAELE of Milan, Italy – Director Professor Pier Alberto Testoni Subject: “Effects of self-expanding metal stents on gastric emptying and oral intake in patients with malignant gastric outlet obstruction”

2009 – 2010 : Master EUS Thesis University VITA SALUTE SAN RAFFAELE of Milan, Italy Director Professor Pier Alberto Testoni Subject: “The role of 19 Gauge FNA in GI tract and pancreatic lesions : Indications and accuracy”

November 2010 : Diploma of Fellowship of the European Board of Gastroenterology and Hepatology (FEBGH)

25.07.2006 : Title of Specialty – Diploma in Gastroenterology

1987 – 1993 : Aristotelion University of Thessaloniki

Certificate of Academic Qualification obtained at 21st of July 1993 Grade 7 (top 10)

Graduate of the Hellenic Military Medical Academy at 1st of October 1993 with the rank of the 2nd Lieutenant of the Hellenic Air Force (H.A.F.)

1981 – 1987 : Secondary School, Larissa, Greece. Grades 19,8 (top 20)

1975 – 1981 : Primary School, Athens, Greece. Grades 10 (top 10)

Provincial Service

• 08.04.2006 – 15.07.2007 : 111 Combat Wing, Nea Anchialos, Volos as Military Gastroenterology Specialist
• 1994 – 1999 : 111 Combat Wing, Nea Anchialos, Volos, as Military Camp Doctor with the rank of the Lieutenant of H.A.F. (promoted in 1994)

Internship

15.11.1999/15.11.2001 : 1st Dpt of Internal Medicine / Oncology Clinic, 251 General Hospital of H.A.F. – Since July 2000, promoted to Captain
of H.A.F.

Fellowship

• 08.01.2002/07.04.2006 : A’ Gastroenterology Clinic, Evaggelismos Hospital Athens, Greece
• 15.07.2004/15.10.2004 : Participation as Venue Doctor in the Olympic Games Athens 2004
• 2007 -2021 : Ph D Thesis , 2nd University Clinic of Internal Medicine, Hippokration Hospital, Athens – National University of Athens, Greece
  in cooperation with the 1st Gastroenterology Clinic of Evaggelismos Hospital (Director Dr Gerassimos Mantzaris) Director: Professor Michael Tzivras Subject : “ The role of antioxidants in the early diagnosis and prevention of Adenocarcinoma of the large intestine : A Prospective Serological Study”

UK Work experience ( 2015 – Present)

Locum UK Experience:

• Bedford NHS Hospital – Consultant Gastroenterologist
• Withybush NHS Wales – Consultant Gastroenterologist
• Queen Alexandra NHS Hospital Portsmouth – Consultant Gastroenterologist
• Darlington Memorial NHS Hospital – Consultant Gastroenterologist
• Royal Lancaster Infirmary – Consultant Gastroenterologist
• Croydon University Hospital – Consultant Gastroenterologist
• Peterborough NHS City Hospital – Consultant Gastroenterologist

Roles include: Endoscopy, outpatient clinics and General medicine ward rounds

Current role

Consultant Gastroenterologist July 2007 – Present:

I serve as Consultant Gastroenterologist (substantive post) at the  Gastroenterology Clinic of 251 General &Veterans Hospital of the Hellenic Air Force

Achievements:

May 2008, promoted to Major of H.A.F.

Οctober 2012 , promoted to Lieutenant Colonel of H.A.F.

Μarch 2018 , promoted to Colonel of H.A.F.

09.01.2015 – 10.07.2015 : Post graduate training in EUS & Abdominal UltraSound at “G.GENNIMATAS “ General Hospital of Athens ,Greece

29.12.2015 : PΕRFORMANCE LICENSE for EUS & Abdominal Ultra Sound

Languages: English, French, Italian

Member of Scientific Societies

1. Hellenic Society of Gastroenterology (HSG)
2. Hellenic Helicobacter Study Group (HHSG)
3. Hellenic Society of Aerospace Medicine (HSAM)
4. European Society of Gastrointestinal Endoscopy (ESGE)
5. European Crohn’s and Colitis Organization (ECCO)

E dtsoun@otenet.gr

List of Publications

1. G.J.Mantzaris , K.Petraki, D. Rontogianni, C.Petraki, C.Spiliadi, H. Chadio-Iordanides, D.Tsounis ,P.Polyzou, K. Foudoulis, O.Paniara & G. Triantafillou: “Helicobacter pylori and Noncardia Gastric Cancer” Helicobacter 2003; 8(4):425 (10.22)
2. Gerassimos J Mantzaris,Dimitris Tsounis, Paraskevi Polyzou, Alex Karagiannidis, Aggeliki Christidou, Stavroula Koilakou,Anastassios Roussos,George Triantafillou,John A. Karagiannis “A Prospective, Randomized Trial of Infliximab (IFX) for the Induction and Maintenance of Remission of Steroid – Dependent Crohn’s Disease (CD)” Gastroenterology 2004; Supplement (2) 126(4): A-54 (437)
3. G.J Mantzaris , D. Kourtessas, P. Polyzou, H. Chadio-Iordanides, A. Karagiannidis, D.Tsounis, A. Hristidou, K. Petraki, D. Rontogianni, C. Petraki , C. Spiliadi, K. Fountoulis, O. Paniara, G. Triantafyllou: 1st Gastroenterology Clinic , Histopathology Department , Microbiology Department of “Evangelismos” General State Hospital , Athens, Greece A PROSPECTIVE STUDY ON THE PREVALENCE OF HELICOBACTER PYLORI INFECTION IN NON CARDIA GASTRIC CANCER (Original Article) Digestive Oncology May-August 2004; 4(2): 82-87
4. E.Tsiambas, D.Tsounis, G. Vilaras, P.Tzoumakari, G. Triantafillou, A.Karameris, Pathology , 417 VA Hospital, 1st Gastroenterology Clinic, Evangelismos, Athens,Greece OP-G-349 TARGETING EGFR IN GASTROINTESTINAL MALIGNANCIES. A TISSUE MICROARRAYS AND IMAGE ANALYSIS STUDY (13th UEGW COPENHAGEN 2005 ) . Gut 2005 ; 54(VII): A81 (OP-G-349)
5. E. Tsiambas, J.Plochoras, D.Tsounis, K.Gerontopoulos, D.Giannopoulos, A.Karameris, P.Tzoumakari, G.Vilaras, 417 VA Hospital, Pathology Dpt, Pathology Dpt / A’ Gastroenterology Clinic, Evangelismos Hospital, COMPARATIVE MORPHOMETRIC STUDY OF IMMUNOHISTOCHEMICAL EXPRESSION OF INDEXES Ki 67 AND TOPOISOMERASE II AT HEPATOCELLULAR CARCINOMAS IN COMBINATION WITH THE CHROMOSOME 17 INSTABILITY AND THE SPECIFIC GENE INSTABILITY WITH THE APPLICATION OF TISSUE MICROARRAYS (9TH PANHELLENIC HEPATOLOGY CONGRESS , Mykonos Island 4 -7 of May 2005)
6. E.Tsiambas, A.Karameris, D.Alexopoulou, N.Giannakou, S.Lambropoulou, D.Tsounis, G.Vilaras, P.Tzoumakari , 417 VA Hospital, 1st Gastroenterology Clinic, Evangelismos , Athens, Greece CO-TARGETING EGFR AND C KIT PROTEIN IN DUCTAL PANCREATIC ADENOCARCINOMA:IMMUNOHISTOCHEMICAL AND MOLECULAR STUDY USING TISSUE MICROARRAYS AND COMPUTERIZED IMAGE ANALYSIS Annals of Gastroenterology April-June 2005; 18(2) : 235 (ORAL PRESENTATION that received SECOND AWARD at the 2nd INTERNATIONAL CONGRESS ON GASTROINTESTINAL ONCOLOGY, Santorini Island 23-25th of June 2005, Greece)
7. Chr. Kalantzis, A.Christidou, A.Roussos, S.Koilakou, D.Tsounis, K.Petraki, D.Rontogiannis, K.Fountouli, N.Raptis, E.Axiotis, N.Kalantzis, G.J.Mantzaris, 417 VA Hospital, Gastroenterology Unit, A’ Gastroenterology Clinic / Microbiology Dpt, Evangelismos Hospital , Athens, Greece H.PYLORI INFECTION AND DIFFUSE ATROPHIC GASTRITIS OF BODY OF THE STOMACH (ORAL PRESENTATION that received AWARD at the 26th Panhellenic Congress of Gastroenterology , Athens 11th of November , 2006)
8. Tsiambas E, Papanikolopoulos K, Karameris A, Gerontopoulos K, Tsounis D, Patsouris E, Dourakis Sp, 401 GAH Dpt of Internal Medicine / Immunohistochemistry Greece, 417 VA Hospital Dpt of Pathology Greece, 251 GAFH Dpt of Gastroenterology Greece, Medical School , University of Athens, Dpt of Pathology / Gastroenterology Greece, Medical School , University of Athens, Dpt of Pathology / Gastroenterology, Greece CHROMOSOME 7 INSTABILITY AND EGFR GENE LOSS PREDICT PROGNOSIS IN HEPATOCELLULAR CARCINOMA : A PILOT STUDY USING CT GUIDED CORE BIOPSIES ON TISSUE MICROARRAYS (3RD INTERNATIONAL CONGRESS ON GASTROINTESTINAL ONCOLOGY Hersonissos, Crete, 14 – 16 June 2007, Greece)
9. Tsiambas E, Papanikolopoulos K, Soultatis A, Tsounis D, Karameris A, Manaios L, Patsouris E, Dourakis Sp HER2/neu , VASCULAR ENDOTHELIAL GROWTH FACTOR AND HYPOXIA INDUCIBLE FACTOR -1A MOLECULES SIMULTANEOUS DEREGULATION CORRELATES WITH AGGRESSIVE PHENOTYPE IN HEPATOCELLULAR CARCINOMA (HEPATOLOGIC TRIAL ,that received THE “ GERASIMOS KARVOUNTZIS” AWARD at the 34th Panhellenic Medical Congress , Athens 20 -24 of May , 2008)
10. Tsiambas E, Papanikolopoulos K, Rigopoulos DN, Tsounis D, Karameris A, Manaios L, Patsouris E, Dourakis Sp EPIDERMAL GROWTH FACTOR RECEPTOR , VASCULAR ENDOTHELIAL GROWTH FACTOR AND HYPOXIA INDUCIBLE FACTOR -1A SIMULTANEOUS DEREGULATION IN HEPATOCELLULAR CARCINOMA BASED ON TISSUE MICROARRAYS AND QUANTITATIVE PROTEIN ANALYSIS (E.A.S.L , Milan , Italy 2008 – Top 10% Poster Abstract) Journal of Hepatology 2008 ; Suppl.(2) 48 : S206 (549)
11. Iοαnna Papazachariou, MD, PhD , Evangelos Tsiambas ,MD, PhD, Antigoni Koliopoulou, MD, Dimitrios Tsounis ,MD, Loukas Manaios, MD, Panagiotis P Fotiades, Andreas Karameris, MD , PhD, Efstratios Patsouris, MD, PhD, Prof. CHROMOSOME 7 & 16 NUMERICAL ABERRATIONS ARE POOR PROGNOSTIC FACTORS IN COLORECTAL ADENOCARCINOMA : A TISSUE MICROARRAY ANALYSIS. Basic and Applied Pathology 2009 ; 1 (3) : 125 – 130
12. Evangelos Tsiambas, Dimitrios N Rigopoulos, Christos Cravvaritis, Andreas C Lazaris, Nikolaos Kavantzas, Athanasios Niotis, Theodoros H Niotis, Dimitrios Tsounis, Andreas Karameris, Efstratios Patsouris CHROMOGENIC IN SITU HYBRIDIZATION ANALYSIS OF EGFR GENE COPIES IN COLON ADENOCARCINOMA BASED ON INTRA-OPERATIVE IMPRINTS AND TISSUE MICROARRAYS Journal of Gastrointestinal and Liver Diseases , September 2009 Vol.18 No 3
13. Evangelos Tsiambas , Loukas Manaios , Costas Papanikolopoulos , Dimitrios N. Rigopoulos, Dimitrios Tsounis , Andreas Karameris , Aspasia Soultati , Antigoni Koliopoulou , Christos Kravvaritis , Theodoros Sergentanis , et al. CHROMOGENIC IN SITU HYBRIDIZATION ANALYSIS OF EPIDERMAL GROWTH FACTOR RECEPTOR GENE / CHROMOSOME 7 NUMERICAL ABERRATIONS IN HEPATOCELLULAR CARCINOMA BASED ON TISSUE MICROARRAYS Pathology & Oncology Research 2009 ; 15(3): 511- 520
14. E.Tsiambas ,C. Kravvaritis , D. Tsounis , N.S. Salemis , A. Niotis ,T.H. Niotis, D.N Rigopoulos, A. Karameris , A.E. Athanasiou , E. Patsouris , P. Karakitsos CORRELATION BETWEEN DIFFERENT P53 EXPRESSION PATTERNS AND CHROMOSOME 17 IMBALANCES IN PANCREATIC DUCTAL ADENOCARCINOMA BASED ON TISSUE MICROARRAY ANALYSIS Journal of BUON 2010 ; 15: 94 -100
15. N. Rigopoulos , E. Tsiambas , A.C. Lazaris , N. Kavantzas , I. Papazachariou , C. Kravvaritis D.T D.Tsounis, A. Koliopoulou , A.E. Athanassiou , A. Karameris , L. Manaios , T.N. Sergentanis E. s E. Patsouris DEREGULATION OF EGFR/ VEGF /HIF – 1a SIGNALING PATHWAY IN COLON AD ADENOCARCINOMA BASED ON TISSUE MICROARRAYS ANALYSIS Journal of BUON 2010 ; 15: 107-115

International Clinical Trials

1. Multicenter, double-blind,randomized,Phase III study (STARS I-Nexium Study) (Astra-Zeneca) (sub-investigator)
2. BUC-52/CDA;mc320 Double-blind, double-dummy,randomized, multicentre study to compare the efficacy and safety of oral budesonide (9mg) and oral mesalazine (4.5 g ) in moderately active Crohn’s disease patients (DR. Falk Pharma GmbH ,Freiburg ) (sub-investigator)

Scientific Events (Participation)

1. EUROPEAN INSTITUTE OF HEALTHCARE (E.I.H) Barcelona , Spain, COELIAC DISEASE , 13TH March 2004
2. GASTROENTEROLOGY AND ENDOTHERAPY XXIIND EUROPEAN WORKSHOP Brussels Exhibition Centre – Belgium, 21- 23 June 2004
3. 12TH UNITED EUROPEAN GASTROENTEROLOGY WEEK (U.E.G.W) Prague, Czech Republic 25 – 29 September 2004
4. 4TH INTERNATIONAL UPDATE AND POSTGRADUATE SEMINAR IN GASTROENTEROLOGY Aigli Zappeiou, Athens , Greece , 28TH January 2005
5. 40TH Annual Meeting of the EUROPEAN ASSOCIATION FOR THE STUDY OF THE LIVER (E.A.S.L) Paris , France , April 13 – 17 2005
6. ADVANCED COURSE in “ Interventional Digestive Endoscopy Techniques ” Strasbourg , France , May 30th to June 1st 2005
7. WORLD CONGRESS OF GASTROENTEROLOGY Montre΄al , Canada , September 10 – 14 , 2005
8. EUROPEAN HELICOBACTER STUDY GROUP (E.H.S.G ) XVIII TH International Workshop Copenhagen , Denmark , 12 – 14 October 2005
9. 13TH UNITED EUROPEAN GASTROENTEROLOGY WEEK (U.E.G.W) Copenhagen, Denmark, 15 – 19 October 2005
10. GASTROENTEROLOGY AND ENDOTHERAPY XXIVTH EUROPEAN WORKSHOP, Brussels , Belgium, 19 – 21 June 2006
11. 15TH UNITED EUROPEAN GASTROENTEROLOGY WEEK (U.E.G.W ) Paris, France, 27 – 31 October 2007
12. 4TH ECCO EDUCATIONAL WORKSHOP on the Implementation of ECCO Consensus on Crohn’s Disease and Ulcerative Colitis Athens , Greece , 13 September 2008
13. 4TH CONGRESS OF ECCO – INFLAMMATORY BOWEL DISEASES 2009 Hamburg , Germany , 5 – 7 February 2009
14. INTERNATIONAL SYMPOSIUM “ Sedation in Digestive Endoscopy ” Athens , Greece , 18 – 19 September 2009