Genel Cerrahi Uzmanı

+(90) (232) 444 35 25

Yeni Girne Bulvarı 1825 Sokak No: 12 Karşıyaka / İZMİR

logo

Akademik Çalışmalar

   Ana Sayfa   |   Akademik Çalışmalar

JOURNAL ARTICLES on PUBMED & SCI & SCI – E

  1. Zeytunlu M., Fırat Ö., Nart D., Çoker A., Yüzer Y., Tekeşin O., Özütemiz Ö., Killi R. Solid and cystic papillary neoplasms of the pancreas: Report of four cases. Turkish Journal of Gastroenterology 2004; 15 (3): 178 – 182
     
  2. Zeytunlu M., Korkut M., Akgün E., Fırat Ö., Aynacı M., İçöz G., Kılıç M., Ersin S., Özütemiz Ö. The comparative effects of calcium channel blockers in an experimental colitis model in rats. Turkish Journal of Gastroenterology 2004; 15 (4): 243 – 249
     
  3. Tuncyurek P., Sari M., Firat O., Mutaf I., Gulter C., Tunger A., Yuce G., Yilmaz M., Makay O., Dayangac M., Ersin S. Does pharmaconutrition with L-arginine and/or alpha-tocopherol improve the gut barrier in bile duct ligated rats? Eur Surg Res. 2006; 38 (1): 4 – 10.
     
  4. Icoz G., Makay O., Sozbilen M., Gurcu B., Caliskan C., Firat O., Kurt Z., Ersin S. Is D-dimer a predictor of strangulated intestinal hernia? World J Surg. 2006; 30 (12): 2165 – 9.
     
  5. Fırat Ö., Karaköse Y., Çalışkan C., Makay Ö., Özütemiz Ö., Korkut MA. Dieulafoy’s lesion of the anal canal: Report of a case. Turkish Journal of Gastroenterology 2007; 18 (4): 265 – 267
     
  6. Turhan K., Makay O., Cakan A., Samancilar O., Firat O., Icoz G., Cagirici U. Traumatic diaphragmatic rupture: look to see. Eur J Cardiothorac Surg. 2008; 33 (6): 1082 – 5.
     
  7. Firat O., Guler A., Sozbilen M., Ersin S., Kaplan H. Gastric remnant cancer: an old problem with novel concerns. Langenbecks Arch Surg. 2009; 394 (1): 93 – 7.
     
  8. Firat O., Kirdok O., Makay O., Caliskan C., Yilmaz F., Karabulut B., Ilgezdi S., Zeytunlu M., Coker A. Can hyperbaric oxygenation decrease doxorubicin hepatotoxicity and improve regeneration in injured liver? J Hepatobiliary Pancreat Surg. 2009; 16 (3): 346 – 52.
     
  9. Caliskan C., Firat O., Karaca A.C., Akgun E. Steroid utilization in eosinophilic jejunitis: beneficial or harmful? Langenbecks Arch Surg. 2010; 395 (1): 99 – 101.
     
  10. Firat O., Ozturk S., Akalin T., Coker A. Inflammatory myofibroblastic tumour. Can J Surg. 2009; 52 (3): E60 – 1.
     
  11. Fırat Ö., Mutlukoca N., Makay Ö., Yılmaz F., Ömür Ö., Kitapçıoğlu G., Yıldıray Y. Portal hyperfusion or hepatic venous congestion: which one affects Kupffer cell function more? Experimental and Clinical Transplantation 2009; 1: 40 – 44
     
  12. Ersin S., Firat O., Sozbilen M. Single-incision laparoscopic cholecystectomy: is it more than a challenge? Surg Endosc. 2010; 24 (1): 68 – 71.
     
  13. Calişkan C., Denizli A., Makay O., Firat O., Tanyalcin T., Alkanat M., Korkut M.A. Experimental comparison of meshes for rectal prolapse surgery. Eur Surg Res. 2009; 43 (3): 310 – 4.
     
  14. Firat O., Yazici P., Makay O., Aydin A., Tuncyurek M., Ersin S., Guler A. Co-existence of gastrointestinal stromal tumors with malign epithelial tumors: a report of two cases. Acta Chir Belg. 2009;109 (5): 629 – 32.
     
  15. Caliskan C., Makay O., Firat O., Uğuz A., Akgün E., Korkut M.A. McKittrick-Wheelock syndrome: is it really rare? Am J Emerg Med. 2010; 28 (1): 105 – 6.
     
  16. Fırat O, Caliskan C, Karaca C, Sezak M, Ozutemiz O, Ersin S, Guler A. Coexistence of Gastric Cancer and Gastrointestinal Stromal Tumor : Report of Two Cases, Turk J Gastroenterology 2010; 21: 302 – 304
     
  17. Caliskan C, Makay O, Firat O, Karaca C, Akgun E, Korkut MA. ‘Foreign bodies in rectum : An Analysis Of Thirty Patients’, Surgery Today, 2011; 41:795 – 800
     
  18. Caliskan C, Güler N, Karaca C, Makay O, Firat O, Korkut MA. Negative prognostic factors in colorectal carcinoma : An Analysis of 448 patients, Indian J Surgery, 2010; 72: 243 – 248
     
  19. Yeniay L., Karaca C.A., Caliskan C., Firat O., Ersin S.M., Akgün E. Abdominal cocoon syndrome as a rare cause of mechanical bowel obstruction: report of two cases. Ulusal Travma ve Acil Cerrahi Dergisi 2011; 17: 557 – 560.
     
  20. Ersin S., Firat O., Sozbilen M. Reply to: re “Single incision laparoscopic cholecystectomy: is it more than a challenge?”. Surg Endosc, 2011; 25: 3476
     
  21. Makay O., Kaya T., Firat O., Sozbilen M., Caliskan C., Gezer G., Uyar M., Ersin S. Omega-3 fatty acids have no impact on serum lactate levels after major gastric cancer surgery. JPEN, J Parenter Enteral Nutr 2011; 35: 488 – 492 .
     
  22. Tatar E, Gungor O, Firat O, Kircelli F, Arda B, Harman M, Toz H, Hoscoskun C. Differential diagnosis of an unusual pelvic mass in a renal transplant recipient: multidrug-resistant abdominopelvic tuberculosis. Ren Fail. 2011; 33: 1040-2.
     
  23. Solak I, Sezer TO, Toz H, Tatar E, Sozbilen M, Firat O, Hoscoskun C. What kind of changes occurred in clinical characteristics of deceased kidney donor recipients after national allocation system in Turkey? A single-center retrospective analysis. Transplant Proc. 2012 Jul-Aug;44(6):1598-600.
     
  24. Tatar E, Turan MN, Firat O, Sezer TO, Sozbilen M, Solak I, Toz H, Hoscoskun C. Use of kidney donors with hepatitis B, hepatitis C, or brain tumor: a single-center experience. Transplant Proc. 2012 Jul-Aug;44(6):1601-3.
     
  25. Solak I, Sezer TO, Toz H, Tatar E, Isayev C, Firat O, Hoscoskun C. Spousal versus living unrelated renal transplantation: a retrospective analysis of allograft outcomes. Transplant Proc. 2012 Jul-Aug;44(6):1710-2.
     
  26. Sezer TO, Yildirim H, Unalp O, Yoldas T, Firat O, Guler A, Ersin S, Hoscoskun C. A feasible technique for intraoperative endoscopy of gastrointestinal bleeding: clothed endoscopy. Am Surg. 2012 Sep;78(9):E439-40.
     
  27. Sezer TO, Solak I, Sozbilen M, Firat O, Yilmaz M, Toz H, Sarsik B, Isayev C, Harman M, Hoscoskun C. A horseshoe kidney from a live donor as a renal transplant: case report. Exp Clin Transplant. 2013 Oct;11(5):454-7.
     
  28. Tanrısev M, Hoşcoşkun C, Aşçı G, Sözbilen M, Firat Ö, Ertilav M, Özkahya M, Töz H. Long-term outcome of kidney transplantation from elderly living and expanded criteria deceased donors. Ren Fail. 2015 Mar;37(2):249-53.
     
  29. Unver M, Firat Ö, Ünalp ÖV, Uğuz A, Gümüş T, Sezer TÖ, Öztürk Ş, Yoldaş T, Ersin S, Güler A. Prognostic factors in peptic ulcer perforations: a retrospective 14-year study. Int Surg. 2015 May;100(5):942-8.
     
  30. Yoldas T, Ustun M, Karaca C, Firat O, Caliskan C, Akgun E, Korkut M. Morgagni Hernia: Is It Just a Congenital Hernia or a Cause of Emergency Surgery?. Am Surg 2016; 82(11): E317 – E319.
     
  31. Firat O, Makay O, Gokce G, Yeniay L, Yenisey C, Coker A. Omega-3 fatty acids inhibit oxidative stress in a rat model of liver regeneration. Annals of Surgical Treatment and Research. 2017;93(1):1-10.
     
  32. EuroSurg Collaborative. Body mass index and complications following major gastrointestinal surgery: a prospective, international cohort study and meta-analysis. Colorectal Dis. 2018 Aug;20(8):O215-O225. 
     
  33. Davulcu EA, Demirci Z, Fırat Ö, Saydam G, Şahin F. Sleeve Gastrectomy in a severe hemophilia patient : one of the very rare cases. Turk J Haematol. 2020 Nov 19;37(4):304-306.
     
  34. Ozturk S, Unver M, Ozdemir M, Bozbıyık O, Turk Y, Firat O, Calıskan C. Prognostic factors in acute mesenteric ischemia and evaluation with multiple logistic regression analysis effecting morbidity and mortality. Pol Przegl Chir. 2020 Dec 28;93(1):25-33.
     
  35. Güven DD, Ulukaya S, Sergin DY, DenizMN, Firat O. Thromboelastography of Patients Undergoing Bariatric Surgery.Bariatric Surgical Practice and Patient Care.Mar 2020.38-45.
     
  36. Sezer TÖ, Sertöz B, Fırat Ö, Ersin S. Letter to the editor. Eur Surg. 2021;53(1):35-36.
     
  37. Firat O. Weight regain after bariatric surgery. Ann Laparosc Endosc Surg 2021;6:50.
     
  38. Sayur V, Güler E, Posacıoğlu H, Sezer TÖ, Fırat Ö, Ersin MS. Incidence and risk factors for incisional hernia after abdominal aortic aneurysm and aortic occlusive disease surgery. Turk Gogus Kalp Damar Cerrahisi Derg. 2021 Oct 20;29(4):465-470.
     
  39. Firat O, Demir HB, Sezer TO, Bozkaya H, Ozutemiz O, Ersin S. Nonoperative Management of Leaks After Laparoscopic Sleeve Gastrectomy with Endoscopic Stents in a Tertiary Referral Center. Turk J Gastroenterol. 2022 Jan;33(1):8-18.
     
  40. Demir HB, Atalay A, Uc C, Fırat Ö, Ersin S. Tension free inguinal hernia repair with transversus abdominis plane (TAP) block in elderly high-risk patients. ANZ J Surg. 2022 Oct;92(10):2500-2504.
     
  41. Taner S, Goktepe B, Zaman EI, Asci G, Bulut IK, Toz H, Sarsik B, Firat O, Kizilkaya AE, Kabasakal C, Keskinoğlu A. Role of Systemic Inflammatory Markers in Pediatric Kidney Transplantation.Transplant Proc. 2023 Jun;55(5):1152-1155.
     
  42. Erozkan K, Firat O, Demir B, Vatansever S, Sezer TO, Ersin S. The impact of the preoperative red blood cell distribution width on weight loss prediction after sleeve gastrectomy. Ann Ital Chir. 2023;94:S0003469X23038836.

PRESENTATIONS IN INTERNATIONAL MEETINGS

  1. Zeytunlu M., Firat O., Nart D., Mentes A. Solid and cystic papillary neoplasms of the pancreas. 12th World Congress of the International Association of Surgeons, Gastroenterologists and Oncologists. October 30th – November 2nd, 2002, Istanbul, Turkey.
     
  2. Zeytunlu M., Firat O., Korkut M., Alkanat M., Ozutemiz O. The comparative effects of calcium channel blockers in the experimental colitis model on rats. 12th World Congress of the International Association of Surgeons, Gastroenterologists and Oncologists. October 30th – November 2nd, 2002, Istanbul, Turkey.
     
  3. Kazimi M., Makay O., Gurcu B., Sezer T., Firat O., Icoz G. Current role of diagnostic peritoneal lavage in abdominal trauma. 9th International Euroasian Congress of Surgery and Gastroenterology, May 15 – 18, 2006, Baku, Azerbaijan
     
  4. Firat O., Gurcu B., Aydin U., Uguz A., Parildar M., Memis A., Ersoz G., Tekesin O., Ilter T., Zeytunlu M., Coker A. Management of iatrogenic biliary injuries in a referral center: analysis of 34 patients. 7th World Congress of the International Hepato Pancreato Biliary Association, September 3 – 7, 2006, Edinburgh, Scotland
     
  5. Guler A., Firat O., Makay O., Caliskan C., Ersin S., Solak I. Diagnostic laparoscopy in gastric cancer. 7th International Gastric Cancer Congress, May 9 – 12, 2007, Sao-Paolo, Brasil.
     
  6. Guler A., Firat O., Makay O., Caliskan C., Ersin S., Solak I. Gastric remnant cancer. 7th International Gastric Cancer Congress, May 9 – 12, 2007, Sao-Paolo, Brasil.
     
  7. Makay O., Firat O., Yukselen V., Vardar E., Yenisey C., Bicakci T., Ersin S., Ozutemiz O. The role of allupurinol on oxidative stres in caustic esophageal burn: cure for stricture? 42nd Congress of the European Society for Surgical Research. May 23 – 26th, 2007, Rotterdam, The Netherlands.
     
  8. Firat O., Makay O., Onen Z., Mutlukoca N., Omur O., Yilmaz F., Zeytunlu M., Coker A., Yuzer Y. The effect of alterations in hepatic inflow and outflow on Kupffer Cell functions. 42nd Congress of the European Society for Surgical Research. May 23 – 26th, 2007, Rotterdam, The Netherlands.
     
  9. Firat O., Yazici P., Gurcu B., Zeytunlu M., Coker A. Pancreatico-duodenal injuries due to abdominal trauma: a single center experience. 1st Joint Congress of the European Association for Trauma and Emergency Surgery and European Trauma Society, May 23 – 26th,2007, Graz, Austria.
     
  10. Makay O., Firat O., Gurcu B., Gokce G., Sapaz N., Zeytunlu M., Yenisey C., Coker A. Oxidative stress in portal vein embolization: fact or fiction? 8th World Congress of the International Hepato Pancreato Biliary Association. February 27th – March 2nd, 2008, Mumbai ,India.
     
  11. Gurcu B., Uguz A., Aydin U., Firat O., Parildar M., Memis A., Ersoz G., Tekesin O., Zeytunlu M., Kilic M., Coker A. Management of iatrogenic biliary injuries in a referral center: analysis of 54 patients. 8th World Congress of the International Hepato Pancreato Biliary Association. February 27th – March 2nd, 2008, Mumbai ,India.
     
  12. Firat O., Kirdok O., Makay O., Gurcu B., Uguz A., Yilmaz F., Karabulut B., Ilgezdi S., Zeytunlu M., Coker A. Hyperbaric oxygenation decreases the doxorubicin hepatotoxicity and induces liver regeneration. 8th World Congress of the International Hepato Pancreato Biliary Association. February 27th – March 2nd, 2008, Mumbai ,India.
     
  13. Guler A., Firat O., Yazici P., Ozsan I., Karaca C., Aydin A., Tuncyurek M., Solak I. Synchronous occurence of esophageal squamous cell carcinoma with gastrointestinal stromal tumor of the jejunum. 11th World Congress of the International Society for Diseases of the Esophagus. September 10 – 13th, 2008, Budapest, Hungary.
     
  14. Guler A., Firat O., Yazici P., Carti E., Aydin A., Tuncyurek M., Solak I. Esophageal Schwannoma: report of a case. 11th World Congress of the International Society for Diseases of the Esophagus. September 10 – 13th, 2008, Budapest, Hungary.
     
  15. Makay O., Firat O., Gokce G., Sapaz N., Yenisey C., Coker A. Omega – 3 fatty acids inhibit oxidative stress in a rat model of liver regeneration. 30th ESPEN Congress, The European Society for Clinical Nutrition and Metabolism. September 13 – 16th, 2008, Florence, Italy.
     
  16. Makay O., Kaya T., Firat O., Uyar M., Ersin S. Do omega-3 fatty acids have any impact on serum lactate levels after major gastric cancer surgery?. 30th ESPEN Congress, The European Society for Clinical Nutrition and Metabolism. September 13 – 16th, 2008, Florence, Italy.
     
  17. Erol V., Firat O., Makay O., Karaca C., Sozbilen M., Icoz G., Guler A., Kaplan H. Diaphragmatic and visceral organ perforations due to chest tube insertion. 10th European Congress of Trauma and Emergency Surgery. May 13 – 17, Antalya, Turkiye.
     
  18. Firat O., Karaca C.A., Ozsoy M., Unver M., Erol V., Makay O., Caliskan C., Yeniay L., Sozbilen M., Ersin M.S., Guler A., Kaplan H. Factors predicting survival in perforated peptic ulcer. 10th European Congress of Trauma and Emergency Surgery. May 13 – 17, Antalya, Turkiye.
     
  19. Makay O., Firat O., Caliskan C., Erol V., Ozsoy M., Sozbilen M., Icoz G., Akyildiz M. Missed colonic injuries after elective inguinal surgery. 10th European Congress of Trauma and Emergency Surgery. May 13 – 17, Antalya, Turkiye.
     
  20. Caliskan C., Firat O., Makay O., Yeniay L., Ozsoy M., Erol V., Akgun E., Korkut M. Is diverting stoma necessary for all civilian colonic injuries. 10th European Congress of Trauma and Emergency Surgery. May 13 – 17, Antalya, Turkiye.
     
  21. Caliskan C., Makay O., Firat O., Ozsoy M., Erol V., Akgun E., Korkut M. Foreign bodies in the rectum with multivariate causes: review of 30 cases. 10th European Congress of Trauma and Emergency Surgery. May 13 – 17, Antalya, Turkiye.
     
  22. Makay O., Erol V., Firat O., Ozsoy M., Yeniay L., Sozbilen M., Icoz G. Do D-dimer levels have a predictive value in the acute abdomen? 10th European Congress of Trauma and Emergency Surgery. May 13 – 17, Antalya, Turkiye.
     
  23. Guler A., Firat O. Gastric lymphangioma presenting as acute abdomen. 8th International Gastric Cancer Congress. June 10 – 13, 2009, Krakow, Poland.
     
  24. Firat O., Karaca C., Ersin S., Guler A. Coexistence of gastric cancer and gastrointestinal stromal tumor: report of two cases. 8th International Gastric Cancer Congress. June 10 – 13, 2009, Krakow, Poland.
     
  25. Firat O., Makay O., Sozbilen M., Ersin S. Single incision laparoscopic cholecystectomy: is it more than a challenge? 17th International Congress of the European Association for Endoscopic Surgery. June 17 – 20, 2009, Prague, Czech Republic.
     
  26. Volckmann E.T., Firat O., Shah N.R., Mikami D.J., Hall C.R., Memark V.R., Needleman B.J. Effects of different types of staple line reinforcement on tissue handling and slippage during laparoscopic stapling. 12th World Congress of Endoscopic Surgery. April 14 – 17, 2010, Landover, Maryland, USA.
     
  27. Guler A., Firat O., Gezer G., Aydin A., Turhan K., Erol V., Sozbilen M. Esophageal leiomyoma: a report of two cases. 12th World Congress of the International Society for Diseases of the Esophagus. September 2 – 5, 2010, Kagoshima, Japan.
     
  28. Sezer T., Yildirim H., Unalp O., Yeniay L., Firat O., Ersin S., Guler A., Hoscoskun C. A cheap, safe and easy technique in laparoscopic appendectomy. 20th International Congress of the European Association for Endoscopic Surgery (EAES). June 20 – 23, 2012, Brussels, Belgium.
     
  29. Sezer T., Yildirim H., Unalp O., Yoldas T., Firat O., Ersin S., Guler A., Hoscoskun C. A feasible technique for intraoperative endoscopy of gastrointestinal bleeding: clothed endoscopy. 20th International Congress of the European Association for Endoscopic Surgery (EAES). June 20 – 23, 2012, Brussels, Belgium.
     
  30. Sezer TO., Aktas A., Yildirim H., Unalp ÖV., Firat O., Ersin S., Hoscoskun C., Guler A. Clinical significance and prognostic value of serum tumor markers in gastric cancer. 16th Annual Meeting of the European Society of Surgery (ESS). November 22-24, 2012, Istanbul, Turkiye.
     
  31. Sezer TO., Aktas A., Yildirim H., Yoldas T., Firat O., Ersin S., Hoscoskun C., Guler A. Factors influencing recurrence and survival in Gastric cancer. 16th Annual Meeting of the European Society of Surgery (ESS). November 22-24, 2012, Istanbul, Turkiye.
     
  32. Firat O., Sezer TO., Uguz A., Ersin S. Laparoscopic surgery for the treatment of esophageal achalasia: ten years experience. 21st International Congress of the European Association for Endoscopic Surgery (EAES). June 19-22, 2013,Vienna, Austria
     
  33. Firat O., Sezer TO., Uguz A., Ersin S. Robot assisted laparoscopic Nissen fundoplication: initial experience. 21st International Congress of the European Association for Endoscopic Surgery (EAES). June 19-22, 2013,Vienna, Austria
     
  34. Ekmekcigil E, Guler A, Yildirim H, Sezer T, Uguz A, Kose T, Firat O, Ersin S. Gastric Cancer. 10th International Gastric Cancer Congress (IGCC). June 19-22, 2013, Verona, Italy.
     
  35. Ekmekcigil E, Firat O, Guler A, Sezer TO, Uguz A, Hoscoskun C, Ersin S. Krukenberg Tumor. 10th International Gastric Cancer Congress (IGCC). June 19-22, 2013, Verona, Italy.
     
  36. Sezer T, Yildirim H, Firat O, Solak İ, Hoscoskun C. Single Incision Laparoscopic Surgery with homemade Glove Port: Tips and Tricks. SAGES congress 2013, Baltimore, USA
     
  37. Çalık M, Doğanavşargil B, Çalışkan C, Firat O, Sezak M, Akalın T. Gastrointestinal Stromal Tumors accompanying other neoplasms. 26th European Congress of Pathology, London, United Kingdom, 30 August- 3 September 2014. Virchow Arch. August 2014; 465 (suppl 1):147 (PS-05-061)
     
  38. Sezer T, Yildirim H, Uğuz A, Firat O, Ersin S, Guler A, Hoscoskun C. Abdominal mass excision thorough single port. 14th World Congress of Endoscopic Surgery and 22nd International EAES meeting June 25-28 2014 Paris, France.
     
  39. Sezer T, Yildirim H, Unalp O, Firat O, Ersin S, Hoscoskun C. Is single port laparoscopic inguinal hernia repair really required? 14th World Congress of Endoscopic Surgery and 22nd International EAES meeting June 25-28 2014 Paris, France.
     
  40. Ismayılov A, Sezer T, Firat O, Guler A, Hoscoskun C, Solak I, Ersin S, Yoldas T. Laparoscopic transabdominal preperitoneal hernia repair (TAPP). 14th World Congress of Endoscopic Surgery and 22nd International EAES meeting June 25-28 2014 Paris, France.
     
  41. Sezer T, Yildirim H, Unalp O, Firat O, Solak I, Ersin S, Hoscoskun C. For beginners, single port laparoscopic appendectomy. 14th World Congress of Endoscopic Surgery and 22nd International EAES meeting June 25-28 2014 Paris, France.
     
  42. Sezer SD, Sezer TO, Firat O, Ersin S. The impact of preoperative nutritional risk screening 2002 score on survival in patients undergoing cytoreductive surgery and hypertermic intraperitoneal chemotherapy. 39th ESPEN Congress, The European Society for Clinical Nutrition and Metabolism. September 9 – 12th, 2017, The Hague, The Netherlands

LECTURES / MODERATORSHIPS IN CONGRESSES / MEETINGS / COURSES

  1. 16th Asia-Pacific Congress of ELSA, Endoscopic & Laparoscopic Surgeons of Asia. Video Panel: How I Do Perfect Bariatric Operation? October 5-7th, 2023. Moderator
     
  2. 16th Asia-Pacific Congress of ELSA, Endoscopic & Laparoscopic Surgeons of Asia. Definition of Weight regain and ineffective weight loss,October 5-7th, 2023. Invited Speaker.
     
  3. 5th Congress of Turkish Society for Metabolic and Bariatric Surgery. PG Course: Malabsorbtive component in revisional bariatric surgery: the importance of limb length. November 23-26st 2023. Antalya. Lecturer
     
  4. 5th Congress of Turkish Society for Metabolic and Bariatric Surgery. Definition of failure and weight regain after bariatric surgery. November 23-26st 2023. Antalya. Invited Speaker
     
  5. 5th Congress of Turkish Society for Metabolic and Bariatric Surgery. Consensus Session – 4: Revisional Surgery. November 23-26st 2023. Antalya. Moderator.
     
  6. 5th Congress of Turkish Society for Metabolic and Bariatric Surgery. Bariatric Surgery and esophagogastric cancer. November 23-26st 2023. Antalya. Moderator.
     
  7. 5th Congress of Turkish Society for Metabolic and Bariatric Surgery. November 23-26st 2023. Antalya. Congress Secretary
     
  8. 1st International Turkish Gastric Cancer Congress. October 14-16th, 2022. Izmir. Executive Board Member
     
  9. 1st International Turkish Gastric Cancer Congress. Preoperative Complications and Management. October 14-16th, 2022. Izmir. Invited Speaker
     
  10. 33rd World Congress of International Association of Surgeons,Gastroenterologists and Oncologists (IASGO) 2022. Is Sleeve Gastrectomy a really good option for obesity or will have the same destiny of gastric band in the near future? September 30th, 2022. Istanbul. Invited Speaker.
     
  11. 2nd Clinical Congress of Kosova College of Surgeons. Bariatric Surgery: Selection of the Optimum Patient and Procedure. September 15-18th , 2022. Kosova. Invited Speaker.
     
  12. 6th National Congress of Surgical Oncology. Panel: Miscellaneous Cases. February 24-27th, 2022. Antalya. Moderator
     
  13. 6th National Congress of Surgical Oncology. Procedure selection in esophagectomy for cancer. February 24-27th, 2022. Antalya. Invited Speaker
     
  14. 22nd National Congress of Turkish Society of Surgery. PG Course: Weight Regain After Bariatric Surgery and Recommendations for Solution. March 23rd, 2022. Antalya. Lecturer.
     
  15. 22nd National Congress of Turkish Society of Surgery. Weight Regain After Bariatric Surgery: Medical and Surgical Strategies. March 24th, 2022. Antalya. Invited Speaker
     
  16. 4th Congress of Turkish Society for Metabolic and Bariatric Surgery. Revisional strategies after failed gastric bypass. November 18-21st 2021. Antalya. Lecturer & Moderator
     
  17. 4th Congress of Turkish Society for Metabolic and Bariatric Surgery. Duodenal Switch and its modifications. November 18-21st 2021. Antalya. Lecturer & Moderator
     
  18. 8th National Congress of Turkish Hernia Society (online). Chronic pain after inguinal hernia repair. March 11th, 2021. Moderator.
     
  19. 1st e-Congress of Turkish Society of Surgery. Weight regain after bariatric surgery. Medical and Surgical Strategies. November 20-21st, 2020. Lecturer.
     
  20. Turkish Society for Clinical Enteral and Parenteral Nutrition , LLL (Life Long Learning) Courses, Topic 17.4: Fluid Balance and Metabolism in Surgery. March 21st, 2020. Ankara. Lecturer-Educator
     
  21. 10th National Congress of Surgical Research. December 13-14th, 2019. Malatya. Executive Board Member
     
  22. 10th National Congress of Surgical Research. PG Course: Clinical Trial Design, Ethical Principals and Manuscript Writing. December 13th, 2019. Malatya. Moderator
     
  23. 10th National Congress of Surgical Research. Current Approaches in Bariatric and Metabolic Surgery. December 14th, 2019. Malatya. Invited Speaker.
     
  24. 3rd Congress of Turkish Society for Metabolic and Bariatric Surgery. PG Course: Laparoscopic Sleeve Gastrectomy: Revisional Sleeve Gastrectomy After Failed Adjustable Gastric Band. November 21st 2019. Antalya. Lecturer & Moderator
     
  25. 3rd Congress of Turkish Society for Metabolic and Bariatric Surgery. Urgent Bariatric Cases. November 21st 2019. Antalya. Moderator
     
  26. 7th National Congress of Turkish Hernia Society. Management of infected mesh. October 5th, 2019. Izmir. Invited Speaker.
     
  27. 7th National Congress of Turkish Hernia Society. Ventral Hernias Session. October 5th, 2019. Izmir. Moderator.
     
  28. 14th National Congress of Endoscopic & Laparoscopic Surgery & Mediterranean and Middle Eastern Endoscopic Surgery Association 2019 Spring Meeting. April 20th, 2019. Cyprus. Meet the expert session. Laparoscopic Gastric Surgery. Invited Speaker
     
  29. 14th National Congress of Endoscopic & Laparoscopic Surgery & Mediterranean and Middle Eastern Endoscopic Surgery Association 2019 Spring Meeting. April 20th, 2019. Cyprus. Transgastric approach for proximal gastric GISTs. Invited Speaker.
     
  30. 14th National Congress of Endoscopic & Laparoscopic Surgery & Mediterranean and Middle Eastern Endoscopic Surgery Association 2019 Spring Meeting. April 21st, 2019. Cyprus. Current tricks in TAPP. Invited Speaker.
     
  31. 11th Congress of Turkish Society for Clinical Enteral and Parenteral Nutrition , LLL (Life Long Learning) Courses, Topic 17.3: Fluid Balance and Metabolism in Surgery. March 27th, 2019. Istanbul. Lecturer-Educator.
     
  32. 11th Congress of Turkish Society for Clinical Enteral and Parenteral Nutrition. Nutrition in Disease Prevention. March 29th, 2019. Antalya. Moderator.
     
  33. Ege Gastroenterology Days. March 2nd, 2019. Izmir. Surgery for GERD. Invited Speaker.
     
  34. 21st National Congress of Turkish Society of Surgery. Bariatric Surgery: Indications, definitions & patient preparation. April 12th, 2018. Antalya. Lecturer.
     
  35. Laparoscopic Gastrectomy for Cancer Symposium. December 16th,2017. Malatya. Invited Speaker.
     
  36. 2nd Congress of Turkish Society for Metabolic and Bariatric Surgery. PG Course: Laparoscopic Sleeve Gastrectomy: Revisional Sleeve Gastrectomy After Failed Adjustable Gastric Band. November 23rd 2017. Antalya. Lecturer & Moderator
     
  37. 2nd Congress of Turkish Society for Metabolic and Bariatric Surgery. Panel: Current Status of Metabolic Surgery. 23rd 2017. Antalya. Moderator.
     
  38. 2nd Ege Liver Symposium. Non alcoholic fatty liver disease_Role of Bariatric Surgery. October 7th 2017. Izmir. Invited Speaker.
     
  39. Turkish Society of Colon and Rectal Surgery: Nutrition in Complicated Colorectal Cases. October 14th, 2017. Izmir. Lecturer.
     
  40. International Healthy Nutrition Congress: Gastrointestinal Diseases. Bariatric Surgery: Patient and Procedure Selection. October 6th, 2017. Izmir, Turkey. Lecturer
     
  41. “A day with reflux” Ege Gastroesophageal Reflux Study Group. Outcomes of Antireflux Surgery. September 15th 2017. Izmir. Lecturer.
     
  42. Monthly Meetings of Ege Society of Surgery. Current Approaches and Management of Complications in Bariatric Surgery. April 3rd 2017. Izmir. Lecturer.
     
  43. Turkish Society of Gastroenterology_Izmir Branch. Educational Meetings. Surgical Treatment of Obesity. December 29th 2016. Izmir. Invited Speaker.
     
  44. 2nd Bozyaka Education and Research Hospital Gastric Cancer Symposium, Current Approaches to Esophagogastric Junction Tumors. December 9th 2016. Izmir. Invited Speaker.
     
  45. Turkish Society for Clinical Enteral and Parenteral Nutrition , LLL (Life Long Learning) Courses, Topic 17.3: Fluid Balance and Metabolism in Surgery. November 5th 2016. Istanbul. Lecturer-Educator
     
  46. Ege University Obesity School_Surgical Treatment of Morbid Obesity. May 20th 2016 Izmir. Lecturer-Educator
     
  47. “A day with reflux” Ege Gastroesophageal Reflux Study Group. Outcomes of Antireflux Surgery. May 13th 2016. Izmir. Lecturer.
     
  48. 20th National Congress of Turkish Society of Surgery. Palliative Therapies in Esophageal Cancer. April 14th 2016. Antalya. Lecturer
     
  49. Pharmaconutrition in Oncological Surgery. April 27th 2016. Aydin. Invited Speaker.
     
  50. Turkish Society of Hepatology Research_Izmir Branch. Obesity Surgery and Complications. February 18th 2016, Izmir. Invited Speaker.
     
  51. Ege University Obesity School_Surgical Treatment of Morbid Obesity. January 9th 2016 Izmir. Lecturer-Educator
     
  52. Ege University Obesity School_Surgical Treatment of Morbid Obesity. May 29th 2015 Izmir. Lecturer-Educator
     
  53. Turkish Society for Clinical Enteral and Parenteral Nutrition , LLL (Life Long Learning) Courses, Topic 17.3: Fluid Balance and Metabolism in Surgery. November 7th 2015. Izmir. Lecturer-Educator
     
  54. Ege Laparoscopy Days. Morbid Obesity Surgery_Patient & Procedure Selection. October 2nd 2015. Izmir. Lecturer.
     
  55. Ege Laparoscopy Days. Morbid Obesity Surgery_Sleeve Gastrectomy. October 2nd 2015. Izmir. Live Surgery_Lecturer.
     
  56. 1st Congress of Turkish Society for Metabolic and Bariatric Surgery. Free Paper Session. November 21st 2015. Antalya. Moderator
     
  57. 1st Congress of Turkish Society for Metabolic and Bariatric Surgery. PG Course: Nutrition and follow up after Roux en Y Gastric Bypass . November 19th 2015. Antalya. Lecturer-Educator
     
  58. 5th National Hernia Congress. Video Session 3. October 23rd 2015. Mugla. Moderator.
     
  59. 5th National Hernia Congress. Hiatal Hernia and Gastroesophageal Reflux_Clinical Failure. October 23rd 2015. Mugla. Lecturer.
     
  60. 5th National Hernia Congress. Free Papers Session 4. October 23rd 2015. Mugla. Moderator.
     
  61. 5th National Hernia Congress. Hiatal Hernia Repair – Nissen Procedure. October 23rd 2015. Mugla. Lecturer.
     
  62. 12th National Congress of Endoscopic & Laparoscopic Surgery. Free Papers Session 8. April 24th 2015. Antalya. Moderator.
     
  63. 12th National Congress of Endoscopic & Laparoscopic Surgery. April 24th 2015. Laparoscopic repair of groin hernia_TAPP. Antalya Lecturer.
     
  64. 7th National Congress of Endocrine Surgery. Free Papers Session 8. April 25th 2015. Antalya. Moderator.
     
  65. 7th National Congress of Endocrine Surgery. Preoperative workup in obesity surgery. April 24th 2015. Antalya. Lecturer.
     
  66. 9th Congress of Turkish Society for Clinical Enteral and Parenteral Nutrition, LLL (Life Long Learning) Courses, Topic 17.3: Fluid Balance and Metabolism in Surgery. March 18th 2015. Antalya. Lecturer-Educator
     
  67. 9th Congress of Turkish Society for Clinical Enteral and Parenteral Nutrition, March 19th 2015. Case Reports: Acute Pancreatitis. Antalya. Speaker.
     
  68. 19th National Congress of Turkish Society of Surgery. April 16-20th 2014. Early Enteral Nutrition. Antalya. Lecturer
     
  69. 19th National Congress of Turkish Society of Surgery. April 16-20th 2014. Free Papers Session. Antalya. Moderator.
     
  70. Monthly Meetings of Ege Society of Surgery. Bariatric Surgery. February 3rd 2014. Izmir. Lecturer.
     
  71. Multidisciplinary educational meeting of Turkish Society of Gastroenterology and Turkish Society of Immuno-Oncology. September 13th 2014. Surgical Treatment of Gastric Cancer. Izmir. Lecturer.
     
  72. Blood Banking and Transfusion Symposium November 7-9th 2014, Perioperative transfusion. Izmir. Moderator.
     
  73. Turkish Society for Clinical Enteral and Parenteral Nutrition Winter School. Mechanism of Cancer Anorexia. December 14th 2013. Ankara. Lecturer-Educator
     
  74. Turkish Society for Clinical Enteral and Parenteral Nutrition Winter School. Pharmacological and multimodal treatment of the cancer patient. December 14th 2013, Ankara. Lecturer-Educator
     
  75. Turkish Society for Clinical Enteral and Parenteral Nutrition , LLL (Life Long Learning) Courses, Topic 17.3: Fluid Balance and Metabolism in Surgery. March 27th 2013. Antalya. Lecturer-Educator
     
  76. 11th Public Health Congress. Where are we in obesity surgery? Are there any new methods? Success? March 7th 2013 Izmir. Lecturer.
     
  77. Robotic Surgery. Tepecik Education and Research Hospital. January 18th 2013. Izmir. Invited Speaker
     
  78. Turkish Society for Clinical Enteral and Parenteral Nutrition Symposium: Basic Nutrition. December 1st, 2012, Denizli, Lecturer-Educator
     
  79. 1st Video Symposium of Operative Gynecology & Gynecologic Oncology : Intestinal Injuries. March 9-10th 2012, Izmir. Lecturer
     
  80. Turkish Society for Clinical Enteral and Parenteral Nutrition , LLL (Life Long Learning) Courses, Topic 17.3: Fluid Balance and Metabolism in Surgery. November 17th 2012, Istanbul. Lecturer-Educator
     
  81. Turkish Society for Clinical Enteral and Parenteral Nutrition , LLL (Life Long Learning) Courses, Topic 17.3: Fluid Balance and Metabolism in Surgery. April 7th 2012, Ankara. Lecturer-Educator
     
  82. Surgical Treatment of Upper GI Bleeding. Tepecik Education and Research Hospital. December 16th 2011. Izmir. Invited Speaker.
     
  83. Turkish Society for Clinical Enteral and Parenteral Nutrition Symposium: Basic Clinical Nutrition Course. December 22nd 2011Izmir. Lecturer-Educator.
     
  84. Turkish Society for Clinical Enteral and Parenteral Nutrition , LLL (Life Long Learning) Courses, Topic 17.3: Fluid Balance and Metabolism in Surgery. November 26th 2011, Izmir. Lecturer-Educator

ARTICLES PUBLISHED IN NATIONAL JOURNALS (TURKISH)

  1. Korkut MA., Karaköse Y., Firat O., Aynacı M., Akgün E. Comparison of primary repair and diversion after penetrating colonic injury. Cerrahi Tıp Arşivi 2001; 6 (2): 46 – 52
     
  2. Çoker A., Zeytunlu M., Sözbilen M., Firat O., Töz H., Seziş M., Ertilav M., Ulukaya S., Acar L., Mir S., Özkayın N., Hoşcoşkun C., Yüzer Y., Kaplan H. Simultaneous pancreas and kidney transplantation in patients with type 1 diabetes mellitus and end stage renal failure. Ulusal Cerrahi Dergisi 2003; 19 (4): 192 – 198
     
  3. Zeytunlu M., Çalışkan C., Yüzer Y., Aynacı M., Nart D., Firat O., Tekeşin O., Killi R. Spleen preserving distal pancreatectomy. Akademik Gastroenteroloji Dergisi 2004; 3 (3): 139-143
     
  4. Zeytunlu M., Aynacı M., Firat O., Nart D., Tekeşin O., Killi R., Yüzer Y. Pancreatic resection for quality of life in chronic pancreatitis. Akademik Gastroenteroloji Dergisi 2005; 4 (1): 23 – 28
     
  5. Makay Ö., Firat O., Gürcü B., Sezer T., İçöz G. Evolution of abdominal trauma: Ege University experience. Ulusal Cerrahi Dergisi 2005; 21 (4): 196 – 200
     
  6. Ersin S., Firat O. Total parenteral nutrition. Türk Nöroloji Dergisi 2006; 12 (1): 243 – 248
     
  7. Kazımi M., Makay O., Firat O., Gürcü B., Sezer T., İçöz G. Diagnostic peritoneal lavage: is it really an obituary? Ege Tıp Dergisi 2007; 46 (1): 33 – 36
     
  8. Çalışkan C., Korkut MA., Firat O., Akgün E., Osmanoğlu H. Rectal prolapsus experience : 68 cases in 27 years. Ege Tıp Dergisi 2008; 47(1) : 29-34
     
  9. Firat O., Makay Ö., Gürcü B., Sözbilen M., İçöz G., Ersin S., Kaplan H. Diagnostic laparoscopy in penetrating abdominal trauma. Ulusal Cerrahi Dergisi 2008; 24 (2): 79 – 82
     
  10. Sözbilen M., Çalışkan C., Firat O., Korkut MA. A rare cause of abdominal mass - mezenteric fibromatosis: Vaka Sunumu. Ege Tıp Dergisi 2008; 47(3):193-195
     
  11. Firat O., Makay Ö., İçöz G., Akyıldız M., Yılmaz M., Kumanlıoğlu K., Yetkin E. Differentiated thyroid cancers diagnosed initially with distant metastasis. Ulusal Cerrahi Dergisi 2008; 24 (4): 178 – 181
     
  12. Çalışkan C., Bölükbaşı H., Firat O., Yeniay L., Özütemiz Ö., Korkut MAStricture-preventing effects of pentoxifylline and trimetazidine in an experimental corrosive esophagitis model. Akademik Gastroenteroloji Dergisi 2009; 8 (1): 6 – 11
     
  13. Alper I., Taydaş E., Firat O., Balcıoğlu S.T., Ulukaya S. Propofol for the management of intraoperative hypertension in a patient with undiagnosed pheochromocytoma. Türk Anestezi ve Reanimasyon Derneği Dergisi 2009; 37 (3): 184 – 187
     
  14. Çalışkan C., Yeniay L., Firat O., Korkut MA. A case with mesenteric venous thrombosis due to factor 5 Leiden mutation. Ege Tıp Dergisi 2009; 48 (3): 213 – 216
     
  15. Baskan S., Çakmak A., Göksoy E., Abbasoğlu O., Çelebi A.E., Güllüoğlu B., Elhan A.H., Yüksel O., Balık E., Şen L.S., Firat O., Canda A.E., Aktaş H. A different look at the specialist education of general surgery. Ulusal Cerrahi Dergisi 2009; 25 (4): 142 – 145
     
  16. Çalışkan C., Firat O., Makay Ö., Tekin F., Serin G., Doğanavşargil B., Sezak M., Akgün E., Korkut M. Malign melanomas in anorectal region: report of four cases. Türk Onkoloji Dergisi 2009; 24 (4): 177 – 180
     
  17. Çalışkan C, Güler N, Makay O, Firat O, Yeniay L, Korkut MA. Positive effects of rectal bleeding and accompanying colorectal disease on prognosis in colorectal cancer. Kolon ve Rektum Hastalıkları Dergisi 2009; 19 (3): 112-117.
     
  18. Çalışkan C, Firat O, Makay Ö, Akgün E, Korkut MA. Puncture ratio of the gloves during colorectal surgery. Adnan Menderes Üniversitesi Tıp Fakültesi Dergisi 2010; 11: 21 – 24.
     
  19. Firat O. Zenker’s Diverticulum. Güncel Gastroenteroloji 2010;14: 134 – 137.
     
  20. Güler A., Sezer TÖ., Erol V., Gezer G., Firat O., Tekeşin O. Small intestine gastrointestinal stromal tumors (GIST). Endoskopi 2012; 20(2): 51 – 52.
     
  21. Güler A., Sezer TÖ., Erol V.,Akgün E., Firat O., İlter T. Synchronous gastric and colon cancer: case report. Endoskopi 2012; 20(2): 59 – 60.
     
  22. Kutbay NO, Yürekli BS, Özışık H, Altun I, Suner A, Şimşir IY, Firat O, Erdoğan M, Çetinkalp S, Özgen G, Saygılı F. Preoperative and Postoperative (1st and 3rd Month) Metabolic Data of Patients Who Underwent Bariatric Surgery. Turk J Endocrinol Metab 2015; 19: 14-18

BOOK CHAPTERS (TURKISH)

  1. Sözbilen M., Firat O. Intraabdominal infections and surgical treatment. An update. In: Intraabdominal Infections. Editör: Ulusoy S. Bilimsel Tıp Yayınevi Mezuniyet Sonrası Eğitim Dizisi 5, 2009: 9 – 19.
     
  2. Firat O., Ersin S. Laparoscopic procedures in general surgery. In: Laparoscopic Surgery and Anaesthesia. Editör: Karaman S. Ege Üniversitesi Tıp Fakültesi Ayın Kitabı – 106. Ege Üniversitesi Basımevi, 2008.: 47 – 72.
     
  3. Sözbilen M., Firat O. Acute Appendicitis. In: Clinical Gastroenterology and Atlas. Editör: Ilter T. İzmir Güven Kitabevi 2011. Vol. 1: 557 – 561
     
  4. Sözbilen M., Firat O. Surgical treatment of mesenteric diseases. In: Clinical Gastroenterology and Atlas. Editör: Ilter T. İzmir Güven Kitabevi 2011. Vol. 1: 676 – 682
     
  5. Ersin S., Firat O. Surgical treatment of Achalasia. In: Clinical Gastroenterology and Atlas. Editör: Ilter T. İzmir Güven Kitabevi 2011. Vol. 1:269 – 273
     
  6. Ersin S., Firat O. Surgical treatment of gastroesophageal reflux disease. In: Clinical Gastroenterology and Atlas. Editör: Ilter T. İzmir Güven Kitabevi 2011. Vol. 1:281 – 287
     
  7. Kaplan H., Firat O. Surgical treatment of nonvariceal uppergastrointestinal bleeding. In: Clinical Gastroenterology and Atlas. Editör: Ilter T. İzmir Güven Kitabevi 2011. Vol. 1: 429 – 433
     
  8. Ersin S., Firat O. Surgical treatment of paraesophageal hernias. In: Clinical Gastroenterology and Atlas. Editör: Ilter T. İzmir Güven Kitabevi 2011. Vol. 1: 277 – 280
     
  9. Firat O., Osmanoğlu H. Diseases of anus and rectum. In: Clinical Gastroenterology and Atlas. Editör: Ilter T. İzmir Güven Kitabevi 2011. Vol. 1: 630 – 636
     
  10. Güler A., Firat O. Surgical treatment of small intestinal diseases. In: Clinical Gastroenterology and Atlas. Editör: Ilter T. İzmir Güven Kitabevi 2011. Vol. 1: 539 – 544

BOOK CHAPTER TRANSLATIONS (ENGLISH TO TURKISH)

  1. Gonzalez R., Ramshaw B.J. Results of laparoscopic incisional and ventral hernia repair . In Laparoscopic Hernia Repair. Editor: Leblanc K.A. 2002. Chapter 3.21
     
  2. Dutta S. The Failed Laparoscopic Hiatal Hernia Repair: “Making it Better” at Redo Operation. In Recurrent Hernia. Editors: Schumpelick V., Fitzgibbons R.J. 2007. Chapter 11
     
  3. Mensink P.B.F., Aktas H. Therapeutic small bowel endoscopy. Interventional and Therapeutic Gastrointestinal Endoscopy. In: Interventional and Therapeutic Gastrointestinal Endoscopy. Editors: Monkemüller K., Wilcox C.M., Munoz – Navas M. 2010, pp 215 – 220
     
  4. Evers B.M. Gastric Resection: Billroth II. In: Atlas of General Surgical Techniques. Editors: Townsend C.M., Evers B.M. 2012. Chapter 27.
     
  5. Esophagus. In: Pocket Companion to Sabiston textbook of Surgery Editors: Townsend CM, Beauchamp RD, Evers BM, Mattox KL, 2004. Chapter 38.

JOURNAL SUBMISSION REVIEWS

  1. Journal: World Journal of Surgical Oncology, Authors: Fotiadis C.I. et al. Title: Diffuse anorectal melanoma. Current diagnostic and treatment aspects. A case report. Review year: 2009
     
  2. Journal: Therapeutics and Clinical Risk Management. Authors: O’Carroll S. Ve ark. Title: Gastrointestinal Stromal Tumor (GIST) recurrence following surgery; clinical utility of imitanib treatment. Review year: 2010
     
  3. Journal: Journal of Surgical Research, Authors: Ming-Qing Xu ve ark. Title: MicroRNA-203 promotes regeneration of cirrhotic liver after 70% partial hepatectomy in rat . Review year: 2016

COURSES ATTENDED

  1. “Nutritional Assessment Course (Nutrisyonel Değerlendirme Kursu)”. European Society for Clinical Nutrition and Metabolism – ESPEN / Klinik Enteral Parenteral Nutrisyon Derneği – KEPAN, Life Long Learning Program, 17 – 18 Aralık 2004, İstanbul, Türkiye.
     
  2. “Hepatic Pancreatic Biliary Cancers: Oncosurgical Strategies” . 2nd Session of European Universitary Diploma, March 28th – April 1st 2005, Villejuif, France.
     
  3. “ FRANC’08 ”. 15th Fresenius Kabi Advanced Nutrition Course. 16 – 19 April 2008. Bad Homburg, Germany.
     
  4. “Animal Care and Use web – training” . The Ohio State University Office of Research, Research Training and Education. 22 / 9 / 2009, Columbus, Ohio, USA
     
  5. “Occupational Health and Safety web – training”. The Ohio State University Office of Research, Research Training and Education. 23 / 9 / 2009, Columbus, Ohio, USA.
     
  6. “Biomedical Research Tower Facility Training”. The Ohio State University Laboratory Animal Care and Use Program. 23 / 9 / 2009, Columbus, Ohio, USA.
     
  7. “Laparoskopic Hernia Repair”. Okmeydanı Research and Education Hospital. June 29 – 30th 2010, Istanbul. Turkey
     
  8. “Motility Workshop”. Ege University Hospital, Dept of Gastroenterology. January 27 – 28th 2012, Izmir. Turkey
     
  9. “da Vinci ® Surgical System Off – Site Training Program for a Console Surgeon”. March 21 – 22, 2012; IRCAD – EITS, Strasbourg, France.
     
  10. 13th “Teach The Teacher” course. ESPEN (European Society for Clinical Nutrition and Metabolism – ESPEN) Life Long Learning Program. March 29th, 2013, Antalya, Turkey.
     
  11. ESSO Course on Liver Surgery: from basics to advanced care. September 4 - 5th 2017. Vienna, Austria.