Cihad Tatar

Experienced surgeon with background working in public and private health facilities. Board certified from European Board of Surgery (Coloproctology), Turkish Board of Surgery and Turkish Board of Colon and Rectal Surgery. Professional surgeon with background especially in colorectal and emergency surgery.

Strong understanding of gastrointestinal cancers, benign anorectal diseases, endoscopic procedures and skills to teach clearly and concisely.

Accomplished at conducting training sessions for both individuals and groups.

Dedicated surgeon performing robotic and laparoscopic procedures and specialized in minimally invasive colorectal surgery, cancer surgery and trauma surgery.

Approachable and friendly with desire to help people live healthy and fulfilling lives.

Passionate about delivering high level patient care.

Remains calm under pressure and collaborates with colleagues.

2014 - Prosthetic Mesh Repair for Incarcerated Inguinal Hernia, Haseki Training and Research Hospital, Department of General Surgery, Istanbul/Turkey

2013 - Animal Experimentation Handling Certificate (from Bezmialem University)

2014 - Endoscopy Training Certificate (from Turkish Surgical Society)

2015 - Occupational Medicine Certificate (from Ministry of Health)

2018 - Fellow of the Turkish Board of Surgery (FTBS) (from Turkish Board of Surgery)

2020 - Associate Professor of General Surgery (from Turkish Ministry of Health)

2022 - Certificate of da Vinci Technology Training as a Console Surgeon

2023 - Fellow of the Board of Surgery in Coloproctology (FEBS) (from European Board of Surgery)

2023 - Fellow of the Turkish Board of Colon and Rectal Surgery (FTCRS) (from Turkish Board of Colon and Rectal Surgery)

Turkish Surgical Society

Turkish Society of Colon and Rectum

European Society of Coloproctology

Turkish Association of Trauma and Emergency Surgery (TATES)

Istanbul Surgical Association

• Endoscopy Trainer (from Turkish Surgical Society)
• ‘'Does Milk of Magnesia Impact LOS After Major Colorectal Resection'' Top 5 poster'' award (Midwest Surgical Association, 2020, USA)
• ‘'Is Endoscopic Submucosal Dissection for Colorectal Lesions Performed in the Endoscopy Suite Safe and Cost-Effective?''‘'Top 5 poster'' award (Midwest Surgical Association, 2020, USA),

PUBLICATIONS

1. National Institute for Health and Care Research Global Health Research Unit on Global Surgery. Reducing the environmental impact of surgery on a global scale: systematic review and co-prioritization with healthcare workers in 132 countries. Br J Surg. 2023 Jun 12;110(7):804-817. doi: 10.1093/bjs/znad092.

2. Tatar C, Hinckley S, Holubar SD, Liska D, Delaney CP, Steele SR, Gorgun E.Does milk of magnesia impact length of hospital stay after major colorectal resection. ANZ J Surg. 2022 Dec 10. doi: 10.1111/ans.18196.

3. Turkoglu F, Guler M, Erdem H, Gencturk M, Kinaci E, Tatar C, Idiz UO.Effect of bariatric surgery procedures on serum cytokine and Nesfatin-1 levels.Surgeon. 2023 Mar 17:S1479-666X(23)00036-7.

4. Koyuncu A, Akay O, Şevik H, Güler M, Özden SC, Aslan H, Seçkin FG, Tatar C. Preoperative MELD-Na Score Predicts 30-day Post-operative Complications After Colorectal Resection for Malignancy. Istanbul Med J 2023; 24(1): 53-6.

5. Nayci AE, Düzköylü Y, Tatar C, Idiz UO, Demircioğlu MK, Çiçek ME, Yildiz I.The Potential Role of Model for End-Stage Liver Disease (MELD)-Sodium Score in Predicting the Severity of Acute Pancreatitis.Cureus. 2022 Dec 31;14(12):e33198.

6. Tatar C, Gorgun E. The Limberg Flap repair for complex recurrent pilonidal disease. Seminars in Colon and Rectal Surg.

7. Tatar C, Lightner AL, Jia X, Liska D, Kalady M, Steele SR, Gorgun E. Long-term outcomes of sporadic rectal cancer versus ulcerative colitis-associated rectal cancer: a matched case-control study. ANZ J Surg. 2022 Dec;92(12):3232-3236.

8. Tatar C, Ozgur I, Justiniano CF, Bhatt A, Liska D, Hull T, Steele SR, Gorgun E. Is Endoscopic Submucosal Dissection for Colorectal Lesions Performed in the Endoscopy Suite Safe and Cost Saving? Surg Laparosc Endosc Percutan Tech. 2022 Dec 1;32(6):688-691.

9. Ferlengez AG, Tatar C, Degerli MS, Koyuncu A, Ahlatci FA, Nayci AE, Ari A, Idiz UO. The role of serum nesfatin-1 in a rat model of acute pancreatitis. Adv Clin Exp Med. 2022 Nov 25. doi: 10.17219/acem/156141.

10. Tatar C, Ozgur I, Sapci I, Catalano B, Liska D, Gorgun E. Endoluminal Surgery Using a New Enabling Platform With Working Channels to Facilitate Endoscopic Submucosal Dissection in the Treatment of Complex Colorectal Lesions. Dis Colon Rectum. 2022 Dec 1;65(12):e1074-e1078.

11. Sevinc MM, Kinaci E, Idiz UO, Doğan S, Tatar C. Validation of the Classification of Intraoperative Complications for Gastrointestinal Surgery. IMJ 2022;23(2):135-138.

12. Doğan S, Cakar E, Gurbulak B, Colak S, Bektas H, Tatar C. Endoscopic Procedures for Upper
Gastrointestinal Tract Lesions and a Brief Review of Literature. IMJ 2022; 23: 154-158

13. Dubus T, Ari A, Koyuncu A, Tatar C. Evaluation of pleural effusions developed after abdominal operations. Med Sci 2022;11(2):537-9.

14. COVIDSurg Collaborative; GlobalSurg Collaborative. SARS-CoV-2 infection and venous thromboembolism after surgery: an international prospective cohort study. Anaesthesia. 2021 Aug 24. doi: 10.1111/anae.15563.

15. Tatar C, Crowell KT, Sapci I, Gorgun IE. Endoscopic Submucosal Dissection in the Management of an Adenoma Within the Area of Rectal Cancer After Complete Clinical Response. Dis Colon Rectum. 2021 Dec 1;64(12):e717. doi: 10.1097/DCR.0000000000002244.

16. COVIDSurg Collaborative; GlobalSurg Collaborative. Effects of pre-operative isolation on postoperative pulmonary complications after elective surgery: an international prospective cohort study. Anaesthesia. 2021 Nov;76(11):1454-1464. doi: 10.1111/anae.15560. Epub 2021 Aug 9.

17. COVIDSurg Collaborative, GlobalSurg Collaborative. SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study. Br J Surg. 2021 Mar 24:znab101. doi: 10.1093/bjs/znab101.

18. Tatar C, Benlice C, Rencuzogullari A, Church J, Ozuner G, Liska D, Steele SR, Gorgun E. Intraoperative Colonoscopy During Colorectal Surgery Does Not Increase Postoperative Complications: An Assessment from the ACS-NSQIP Procedure-targeted Cohort. Surg Laparosc Endosc Percutan Tech. 2021 Jan 12. doi: 10.1097/SLE.0000000000000907.

19. COVIDSurg Collaborative; GlobalSurg Collaborative. Timing of surgery following SARS-CoV-2 infection: an international prospective cohort study. Anaesthesia. 2021 Jun;76(6):748-758. doi: 10.1111/anae.15458. Epub 2021 Mar 9.

20. Arikan S, Tatar C, Emre Nayci A, Ersoz F, Baki Dogan M, Gunver F.Giant composite pheochromocytoma and gastrointestinal stromal tumor in a patient with neurofibromatosis: A case report. North Clin Istanb. 2021 Dec 29;8(6):629-633.

21. Tatar C, Benlice C, Delaney CP, Holubar SD, Liska D, Steele SR, Gorgun E. Modified frailty index predicts high-risk patients for readmission after colorectal surgery for cancer. Am J Surg. 2020 Jul;220(1):187-190. doi:10.1016/j.amjsurg.2019.11.016.

22. Tatar C, Cengiz TB, Gorgon E. What does robotic right colectomy add to its laparoscopic counterpart? Ann Laparosc Endosc Surg. 2020;5:2 | http://dx.doi.org/10.21037/ales.2019.10.0

23. Benek S, Tatar C.Predictive Factors Affecting Axillary Lymph Node Metastasis in Breast Cancer. Med Bull Haseki 2019;57:356-361.

24. Tatar C, Ahlatci FA, Idiz UO, Nayci AE, Incir S, Agcaoglu O, Idiz C, Balik E. May Nesfatin-1 be a Biomarker in Acute Mesenteric Ischemia? J Coll Physicians Surg Pak. 2019;29(10):928-931.

25. Ari A, Tatar C, Yarikkaya E. Relationship between Helicobacter pylori-positivity in the gallbladder and stomach and effect on gallbladder pathologies. J Int Med Res. 2019 Aug 22:300060519847345.

26. Bayrak S, Tatar C, Cakar E, Colak S, Gunes ME, Tekesin K, Gurbulak B, Kinaci E, Sevinc MM. Evaluation of predictive power of laboratory markers in diagnosis of acute appendicitis in elderly. North Clin Istanb 2019;6(3):293–301.

27. Ari A, Gurbulak B, Okmen H, Tatar C, Idiz UO, Ucuncu MZ. Effect of Dexketoprofene Trometamol on Post- Endoscopic Retrograde Cholangiopancreatography Pancreatitis. J Coll Physicians Surg Pak 2019 Jun;29(6):511-515.

28. Ozgul H, Tatar C, Ozer B, Aydin H, Ozer Peltek S, Sari S. The effects of alpha tocopherol on acute pancreatitis in rats. Ulus Travma Acil Cerrahi Derg 2019 Jan;25(1):1-6.

29. Bayrak S, Tatar C, Kinacı E, Cakar E, Sevinc MM, Bektas H. Stent Experiences In The Emergency Conditions In Acute Mechanical Intestinal Obstruction Caused By Colorectal Cancer. Videosurg Mini inv Wideochir Inne Tech Maloinwazyjne 2019 Jan;14(1):46-51.

30. Ozer B, Sit M, Ozer S, Tatar C, Citlak G, Savas OA, Akinci M. Surgical treatment of inguinal hernia: our experience. Exp Biomed Res 2018; 1(3):109-114.

31. Hut A, Yildirim D, Donmez T, Tatar C, Mirapoglu S, Erdogan RN, Saglam ZM, Kilincaslan H. The Effect of Sterilization Methods of Endoscopic Instruments on the Body: A Study on Rat Model. J Invest Surg. 2017 Apr 25:1-8

32. Aydin H, Tatar C, Savas OA, Karsidag T, Ozer B, Dursun N, Bekem A, Unal A, Tuzun IS. The effects of local and systemic administration of proline on wound healing in rats. J Invest Surg 2018;1:1-7.

33. Yildirim D, Tatar C, Dogan O, Hut A, Donmez T, Akinci M, Toptas M, Bayik RN. Post caesarean scar endometriosis. Turk J Obstet Gynecol 2017 Turk J Obstet Gynecol 2018;15:33-8

34. Peduk S, Tatar C, Dincer M, Citlak G, Ozer B, Kocakusak A, Akinci M, Tuzun IS. The role of serum CK-18, TIMP-1 and MMP-9 levels in predicting R0 resection in patients with gastric cancer. Disease Markers 2018 Feb 5;2018:5604702. doi: 10.1155/2018/5604702

35. Lamami Y, Mesediyeva R, Arikan S, Ercan Ş, Kiyan HF, Tatar C, Nayci AE, Faroogi A, Yaylim I, Kiran B. Preliminary report:one of the PD-1 gene variants may be a valuable marker for colorectal cancer. Arch Med Sci Civil Dis 2018;3;34-40.

36. Tatar C, Kocakusak A, Ozer B, Kizilkaya MC, Karsidag T, Ari A, Buyukasik K. The analysis of 89 patients that performed tube thoracostomy by general surgeons. Turk J Surg 2018;33:49-52.

37. Yildirim D, Donmez T, Uzman S, Kocakusak A, Demiryas S, Cakir M, Tatar C. Spinal anesthesia is safe in laparoscopic total extraperitoneal inguinal hernia repair. Retrospective clinical trial. Videosurgery Miniinv 2017;12:417-27.

38. Buyukasik K, Akce B, Ari A, Tatar C, Segmen O, Bektas H. Comparison of Mesh fixation and non-fixation in laparoscopic totally extraperitoneal inguinal hernia repair. Hernia.2017; 17:1590-1592.

39. Buyukasik K, Tatar C, Ari A, Sari S, Bektas H. Successful endoscopic treatment of a gastrocolocutaneous fistula due to PEG tube. Turk J Gastroenterol 2017;28(3):231-232

40. Hut A, Tatar C, Yildirim D, Donmez T, Unal A, Kocakusak A, Akinci M. Is it possible to reduce the surgical mortality and morbidity of peptic ulcer perforations? Turk J Surg 2017;33:267-273.

41. Tatar C, Yavas M, Akkus O, Tapkan B, Batikan OK, Bayrak S, Arikan S. Intestinal perforation that developed after chemotherapy in a patient diagnosed with non- Hodgkin lymphoma.A case report and review of literature.Int J Surg. 2017;2:39:321-3

42. Buyukasik K, Ari A, Tatar C, Akce B, Sevinc MM, Sari S, Pasaoglu E, Bektas H. Clinicopathological features of gastroenteropancreatic neuroendocrine tumors: a retrospective evaluation of 42 cases. Turk J Surg 2017;33:279-83.

43. Yildirim D, Hut A, Tatar C, Donmez T, Akinci M, Toptas M. Prognostic factors in patients with acute mesenteric ischemia. Turk J Surg 2017; 33: 104-109.

44. Tatar C, Aydin H, Karsidag T, Arikan S, Dogan O, Kabukcuoglu F, Bekem A, Unal A, Tuzun S. The effects of platelet-rich plasma on wound healing in rats. Int J Clin Exp Med 2017;10(5):7698-7706.

45. Ari A, Buyukasik K, Tatar C. Laparoscopic resection for gastric neuroendocrine and stromal tumors: a single center study. Med Science 2017;6(1):104-108

46. Ozer B, Kocakusak A, Tatar C, Koyuncu A, Benek S, Aydin H, Citlak G, Ozgul H. Assessment of the Pre- operative Nutritional Status of Patients who were Scheduled for Elective Surgery and Determination of Nutritional Support Requirements. Med Bull Haseki 2016; 54: 232-236.

47. Ari A, Buyukasik K, Tatar C, Segmen O, Ersoz F, Arikan S, Gunver F, Sari S. Laparoscopic treatment of adrenal tumors: A single-center experience with 58 patients. Surg Res Pract. 2016;2016:9574391. Epub 2016 Nov 16

48. Sevinc MM, Kinaci E, Tatar C, Bayrak S, Ozakay A, Cakar E, Aren A. De Garengeot's hernia in a 72-year-old man: A case report. J Turgut Ozal Med Cent. 2016; 23(4): 459- 461.

49. Tatar C, Tuzun S, Karsidag T, Kizilkaya C, Yilmaz E. Prosthetic mesh repair for incarcerated inguinal hernia. Balkan Med J 2016; 33: 434-440

50. Ozer B, Tatar C, Benek S, Aydın H, Kizilkaya C, Alkurt E, Ozgul H, Koyuncu A. The comparison of Anterior and posterior herniorraphy operations in recurrent inguinal hernias. Haseki Tıp Bülteni 2016; 54(2):100-102.

51. Ari A, Buyukasik K, Akce B, Tatar C, Vardar YM. Primary Hydatid disease within the quadratus lumborum muscle: case report. Ulutas Med J 2016; 2(1):63-65.

52. Benek S, Tatar C, Kocakusak A, Ozer B, Kizilkaya C, Aydin H. The effect of demographic, biochemical and patholojical parameters on survival in colorectal cancer. J Turgut Ozal Med Cent 2016; 23(4): 414-419.

53. Ari A, Buyukasik K, Segmen O, Akkus O, Tatar C, Lymph node yield in laparoscopic total mesorectal excision: our clinical experience. Ulutas Med J 2016; 2(1):36-40.

54. Ari A, Tatar C, Buyukasik K, Segmen O, Cakir C, Arikan S. Synchronos male breast and colon cancer presenting with ileus: A case report. Int J Surg Case reports 2016; 28:31-33.

55. Tosun F, Ozen M, Tatar C, Alakus H. Unilateral Spinal Anesthesia Experience in a Supercentenarian.A A Case Rep 2015; 1;5(7):117-118.

56. Benek S, Kocakusak A, Bahri Ö, Kızılkaya C, Erözgen F, Çiftçi F, Aydın H, Tatar C. The Ever-Changing Configuration of the Completion Thyroidectomy in the Last Decade. Haseki Tip Bülteni 2015; 53(3): 225-228.

57. Cakir M, Savas OA, Tatar C, Tuzun S. Preperitoneal mesh placement with anterior approach in incarcerated femoral hernia (our experiences with 23 cases). Haseki Tıp Bülteni 2015; 53(3): 196-198.

58. Baghaki S, Cevirme M, Diyarbakirli M, Tatar C, Aydin Y. Locoregional use of lateral thoracic artery perforator flap as a propeller flap. Annals of Plastic Surgery 2015; 74(5):532-5.

59. Tüzün S, Çakır M, Savaş OA, Tatar C. Hepatocellular Carcinoma-Liver resections. Med Bull Haseki 2015; 53(1):1-9.

60. Yilmaz E, Karsidag T, Tatar C, Tuzun S. Serum Galectin 3; Diagnostic value for Papillar Thyroid Carsinoma. Turk J Surg 2015; 31: 192-196.

61. Sarac F, Ataoglu E, Tatar C, Hatipoglu HU, Abbasoglu L. Neonatal colonic perforation. Turk J surg 2015; 31(1):44-46

62. Kızılkaya MC, Erözgen F, Kocakuşak A, Tatar C, Kaplan R. Unique journey of a fallen gall stone leading to gastrointestinal, biliary and intraperitoneal haemorrhage:The first case in the literature.Turk J Gastroenterol 2014; 25: 584-585.

63. Tatar C, Karşıdağ T, Hut A. Succesful endoscopic removal of a foreign body in the rectum. Turk J Gastroenterol 2014; 25: 442-443.

64. Tatar C, Erözgen F, Tüzün S, Karşıdağ T, Yılmaz E, Aydın H, Kızılkaya C, Özer B. Surgical approach to breast hamartoma and the diagnostic accuracy in preoperative biopsies. J Breast Health 2013; 9: 186-190.

65. Kızılkaya C, Erözgen F, Kocakuşak A, Tatar C, Akıncı M, Tüzün S, Kaplan R. Mastalgia in daily practice. J Breast Health 2013; 9: 191-4.

66. Tatar C, Karşıdağ T, Özgül H, Tüzün S. Gastrik Trikobezoar. Med Bull Haseki 2013; 51(3): 141-143.

67. Tatar C, Erözgen F, Akıncı M, Benek S, Kızılkaya C. The prevalence of male breast cancer and our clinical experiences. Med Bull Haseki 2013; 51(3): 99-101.

68. Erözgen F, Kurtulmuş N, Tatar C, Kızılkaya C, Kaplan R. Four sisters affected by familial medullary thyroid cancer. J Dialog in Endocrinol 2013; 10 (1): 21-23.

69. Tatar C, Karşıdağ T, Tüzün S, Avcı M, Yılmaz E, Altundağ K, Ak A. Paraganglioma of the Thyroid Gland. Med Bull Haseki 2012; 50(3): 110-112.

ORAL PRESENTATIONS
ï Has 60 oral presentations at national and international congresses.

POSTER PRESENTATIONS
ï Has 70 poster presentations at national and international congresses.

1. European Board of Surgical Qualification – Coloproctology (EBSQ-C) Exam Preparation Course. Colon Cancer. 2. International Colorectal Surgery Congress, 19. National Colon and Rectal Surgery Congress and 12. National, 1. International Colorectal Surgery Nursing Congress. May 16-20, 2023. Antalya,Turkey. 

2. Hemorrhoidal DiseaseI (Video presentations and hands-on surgery on models). Rubber band ligation/Sclerotherapy. 2. International Colorectal Surgery Congress, 19. National Colon and Rectal Surgery Congress and 12. National, 1. International Colorectal Surgery Nursing Congress. May 16-20, 2023. Antalya,Turkey. 

3. Hand Sewn Anastomosis Techniques in Colorectal Surgery Course. Surgical techniques in intestinal anastomosis. 2. International Colorectal Surgery Congress, 19. National Colon and Rectal Surgery Congress and 12. National, 1. International Colorectal Surgery Nursing Congress. May 16-20, 2023. Antalya,Turkey. 

4. Colorectal Emergencies Session. Colorectal trauma-foreign bodies. 2. International Colorectal Surgery Congress, 19. National Colon and Rectal Surgery Congress and 12. National, 1. International Colorectal Surgery Nursing Congress. May 16-20, 2023. Antalya,Turkey. 

5. Video Presentation Session-1: Session Chair. 2. International Colorectal Surgery Congress, 19. National Colon and Rectal Surgery Congress and 12. National, 1. International Colorectal Surgery Nursing Congress. October 30-December 4, 2021. Antalya,Turkey. 

6. Laser ablation of Anal Fistula. 7.Baku International Medical Workshop Days. December 1-4, 2022. Baku, Azerbaijan.

7. Modern Surgical approaches in Pelvic Floor Diseases. 7.Baku International Medical Workshop Days. December 1-4, 2022. Baku, Azerbaijan.

8. Laser Proctology Hands on Course. 7.Baku International Medical Workshop Days. December 1-4, 2022. Baku, Azerbaijan.

9. Intraabdominal hypertension and abdominal compartment syndrome. 13. National Congress on Trauma and Emergency Surgery. (Online). December 11-12, 2021.

10. Perianal aesthetics. Pelvic floor and cosmetic gynecology congress. September 15-17, 2023. Istanbul

11. Surgical Treatment of Acute Anal Sphincter Damages. 3. Obstetric Anal Sphincter Injury Course. December 9, 2023. Istanbul.

12. Levator Ani Syndrome, Botox Application in Dyssynergia. Current Approaches in Colorectal Surgery. January 13-14, 2023. Konya.

13. Sclerotherapy / Rubber Band Ligation / Doppler Guided Hemorrhoidal Artery Ligation. Current Approaches in Colorectal Surgery. January 13-14, 2023. Konya.

14. How to Write an Article: Step by Step Guide. scientific article preparation symposium. March 18, 2023. Istanbul