Georgios Giannos GENERAL SURGEON 2nd Surgical Department

General Surgery resident, 2^nd Surgical Department, Evaggelismos, General Hospital of      Athens, 12/2019 – 12/2025
Rural Medical Doctor (Compulsory Service) at Katomeri Regional Health Center, Meganisi island, Greece, 11/2018 – 10/2019
Compulsory Military Service as a Military Doctor in Hellenic Air Force, Greece, 09/2018 – 09/2019

Teaching Experience

• Faculty Member, Complex IBD Cases Webinar Series, IBD & Ileoanal Pouch Surgery Center, Chelsea & Westminster Hospital, London, United Kingdom.
• Instructor (Faculty Member). The International Cambridge Anastomosis Workshop, Department of Surgery, Faculty of Medicine, University of Athens, Greece

Courses & Certifications

• The International Cambridge Anastomosis Workshop, Department of Surgery, Faculty of Medicine, University of Athens, Greece, 11/2023
• Introduction to Statistical Data Analysis (SPSS), Hellenic Open University, 06/2023
• Breast Cancer Management for Surgeons Course, Division of Breast Surgery of UEMS, Athens, Greece, 04/2023
• Advanced Trauma Life Support (ATLS), American College of Surgeons (ACS), “251” Hellenic Air Force General Hospital, Athens, Greece, 10/2019
• Intercollegiate Basic Surgical Skills (BSS), Royal College of Surgeons of England (RCSE), University of Thessaly, faculty of medicine, Larissa, Greece, 04/2019
• Advanced Life Support (ALS), European Resuscitation Council (ERC), Hellenic Society of Cardiology, Athens, Greece, 10/2018
• Prehospital Trauma Life Support (PHTLS), “251” Hellenic Air Force General Hospital, Athens, Greece, 05/2019
• Basic Life Support (BLS), European Resuscitation Council (ERC), University of Crete, Medical School, Heraklion, Greece, 11/2014

Clinical Interest:

• Colorectal cancer and pelvic exenteration
• Inflammatory bowel disease (Crohn’s disease and ulcerative colitis)
• Benign anal disease and pelvic floor dysfunction
• Broad-spectrum general surgery, including emergency and elective procedures

Research Interest: 

• Advanced and recurrent rectal cancer
• Pelvic exenteration and complex pelvic surgery
• Complex inflammatory bowel disease
• Clinical surgical research, including multicenter collaborative studies
• Surgical education and training

• Best Oral Presentation – 3rd International Electronic Conference on Clinical Medicine (MDPI)

  First author and presenter, “randomized Controlled Trial – RADIGAL Trial.”

  November 2025.

• Best Video Presentation – 16th Hellenic–Cypriot Surgical Conference

  Presenter, “Complex Pelvic Exenteration Following Secondary Recurrence in the Pelvic Sidewall.”

  November 2024, Paphos, Cyprus.

• Best Research Proposal – Surgery Research Day Workshop

  33rd Panhellenic Surgery Conference, Athens, October 2023.

• Best Paper Selection – 34th Panhellenic Surgery Conference

  Co-author, “Perioperative Outcomes and Morbidity Following Pelvic Exenteration Surgery: Single-Centre Experience.”

  Selected for publication in a special issue of the Hellenic Journal of Surgery.

• Awarded Abstract – 34th Panhellenic Surgery Conference

  Co-author, “Small Intestinal Tumors: Histopathological Findings of Enterectomy Specimens.”

  Selected for publication in a special issue of the Hellenic Journal of Surgery.

1. NIHR Global Health Research Unit on Global Surgery and the GlobalSurg Collaborative. Safety and equity in scaling minimally invasive surgery worldwide in 109 countries using cholecystectomy as a tracer procedure: a prospective cohort study. Lancet Glob Health. 2026 Feb;14(2):e199-e212. doi: 10.1016/S2214-109X(25)00476-0. PMID: 41519150.

2. Giannos G, Unadkat A, Kontovounisios C, de’Angelis N, Celentano V. Robotic surgery for Crohn’s disease: educational value and quality of online video resources. Surg Endosc. 2025 Nov 19. doi: 10.1007/s00464-025-12385-x. Epub ahead of print. PMID: 41261249.

3. Georgios S, Georgios G, Yu Jin L, Valerio C. Robotic revision of ileoanal pouch-in situ pouch inlet reimplantation for chronic stricture: A video vignette. Colorectal Dis. 2025 Nov;27(11):e70301. doi: 10.1111/codi.70301. PMID: 41236433.

4. Petra G, Kritsotakis EI, Gouvas N, Schizas D, Toutouzas K, Karanikas M, Pappas-Gogos G, Stylianidis G, Zacharioudakis G, Laliotis A, Christodoulidis G, Kehagias I, Lasithiotakis K; MATS Study Group (Alexandros Tsiavos, John Τsikritzakis, Georgios Papadakis, Konstantina Maria Raouzaiou, Stamatios Kokkinakis, Aikaterini Rasouli, Kyriaki Konstantinou, Panayiotis Papatheodorou, Andia Stylianou, Despo Evripidou, Athanasios Syllaios, Markos Despotidis, Adam Mylonakis, Panagiotis Dorovinis, Nikolaos Machairas, Myrto Keramida, Stylianos Kykalos, Maximos Frountzas, Dimosthenis Sotirakis, Elpida Tsekoura, Konstantinia Kofina, Eleni I Effraimidou, Markos Markou, Rodopi Sotiropoulou, Michael Pitiakoudis, Christos Tsalikidis, Anastasios Karayiannakis, Georgios Giannos, Savvas Tsaramanidis, Antonios Morsi-Yeroyannis, Ifigenia Tzartzalou, Ioannis Gkionis, Garyfallia-Apostolia Karali, Dimitrios Kehagias, Georgios-Ioannis Verras, Emmanuel Chrysos). Multicentre prospective study on the diagnostic and prognostic validity of malnutrition assessment tools in surgery. Br J Surg. 2025 Feb 1;112(2):znaf013. doi: 10.1093/bjs/znaf013. PMID: 40037524; PMCID: PMC11879291.

5. Development and internal validation of a clinical prediction model for serious complications after emergency laparotomy.

   Kokkinakis S, Kritsotakis EI, Paterakis K, Karali GA, Malikides V, Kyprianou A, Papalexandraki M, Anastasiadis CS, Zoras O, Drakos N, Kehagias I, Kehagias D, Gouvas N, Kokkinos G, Pozotou I, Papatheodorou P, Frantzeskou K, Schizas D, Syllaios A, Palios IM, Nastos K, Perdikaris M, Michalopoulos NV, Margaris I, Lolis E, Dimopoulou G, Panagiotou D, Nikolaou V, Glantzounis GK, Pappas-Gogos G, Tepelenis K, Zacharioudakis G, Tsaramanidis S, Patsarikas I, Stylianidis G, Giannos G, Karanikas M, Kofina K, Markou M, Chrysos E, Lasithiotakis K

   Eur J Trauma Emerg Surg. 2024 Feb;50(1):283-293. doi: 10.1007/s00068-023-02351-4. Epub 2023 Aug 31. PMID: 37648805; PMCID: PMC10923974.

6. The Hellenic Emergency Laparotomy Study (HELAS): A Prospective Multicentre Study on the Outcomes of Emergency Laparotomy in Greece.

   Lasithiotakis K, Kritsotakis EI, Kokkinakis S, Petra G, Paterakis K, Karali GA, Malikides V, Anastasiadis CS, Zoras O, Drakos N, Kehagias I, Kehagias D, Gouvas N, Kokkinos G, Pozotou I, Papatheodorou P, Frantzeskou K, Schizas D, Syllaios A, Palios IM, Nastos K, Perdikaris M, Michalopoulos NV, Margaris I, Lolis E, Dimopoulou G, Panagiotou D, Nikolaou V, Glantzounis GK, Pappas-Gogos G, Tepelenis K, Zacharioudakis G, Tsaramanidis S, Patsarikas I, Stylianidis G, Giannos G, Karanikas M, Kofina K, Markou M, Chrysos E.

   World J Surg. 2023 Jan;47(1):130-139. doi: 10.1007/s00268-022-06723-6. Epub 2022 Sep 15. PMID: 36109368; PMCID: PMC9483423.

7. Prospective multicenter external validation of postoperative mortality prediction tools in patients undergoing emergency laparotomy.

   Kokkinakis S, Kritsotakis EI, Paterakis K, Karali GA, Malikides V, Kyprianou A, Papalexandraki M, Anastasiadis CS, Zoras O, Drakos N, Kehagias I, Kehagias D, Gouvas N, Kokkinos G, Pozotou I, Papatheodorou P, Frantzeskou K, Schizas D, Syllaios A, Palios IM, Nastos K, Perdikaris M, Michalopoulos NV, Margaris I, Lolis E, Dimopoulou G, Panagiotou D, Nikolaou V, Glantzounis GK, Pappas-Gogos G, Tepelenis K, Zacharioudakis G, Tsaramanidis S, Patsarikas I, Stylianidis G, Giannos G, Karanikas M, Kofina K, Markou M, Chrysos E, Lasithiotakis K.

   J Trauma Acute Care Surg. 2023 Jun 1;94(6):847-856. doi: 10.1097/TA.0000000000003904. Epub 2023 Feb 2. PMID: 36726191.

8. SPP1 in infliximab resistant ulcerative colitis and associated colorectal cancer: an analysis of differentially expressed genes.

   Giannos P, Triantafyllidis KK, Giannos G, Kechagias KS.

   Eur J Gastroenterol Hepatol. 2022 Jun 1;34(6):598-606. doi: 10.1097/MEG.0000000000002349. Epub 2022 Jan 31. PMID: 35102110.

9. Greek Pelvic Exenteration Collaborative. Pelvic exenteration for locally advanced rectal cancer (LARC) and locally recurrent rectal cancer (LRRC) in Greece: a national snapshot survey of current practice. Hellenic Journal of Surgery. 2024 Jul–Sep;94(3):115–141. doi:10.59869/24037.

10. Panagiotis Theodoropoulos, Georgios Floros, Georgios Giannos, Konstantinos Toutouzas, Christos Kontovounisios. Small Intestinal Tumors: Histopathological findings of enterectomy specimens. A ten-year experience from a tertiary surgical center in Greece and Review of the Literature. Hell J Surg. 2025 Supplement 1;95:18 doi: 10.59869/25053