Articles
1. Full-length articles published or accepted for publication in journals indexed by databases recognized by the Turkish Council of Higher Education (YÖK) for associate professorship applications (SCI & SCI Expanded)
1.1. Role of donor age and acute rejection episodes on long-term graft survival in cadaveric kidney transplantations.
Emiroğlu R, Yagmurdur MC, Karakayali F, Haberal C, Ozcelik U, Colak T, Haberal M.
Transplant Proc. 2005 Sep;37(7):2954-6.
1.2. Influence of synthetic mesh on ilioinguinal nerve motor conduction and chronic groin pain after inguinal herniorrhaphy: a prospective randomized clinical study.
Karakayali F, Karatas M, Ozcelik U, Ekici Y, Basaran O, Moray G, Haberal M.
Int Surg. 2007 Nov-Dec;92(6):344-50.
1.3. Liver transplantation for biliary atresia.
Karakayali H, Sevmis S, Ozcelik U, Ozcay F, Moray G, Torgay A, Arslan G, Haberal M.
Transplant Proc. 2008 Jan-Feb;40(1):231-3.
1.4. Are there any differences between age groups regarding colorectal surgery in elderly patients?
Bircan HY, Koc B, Ozcelik U, Adas G, Karahan S, Demirag A.
BMC Surg. 2014 Jul 15;14(1):44. doi: 10.1186/1471-2482-14-44.
1.5. LigaSure® versus Clamp Tie Technique for Thyroid Surgery; Decreased Operative Time versus Increased Inflammatory Effect: a prospective randomized study.
Bircan HY, Inal A, Ozcelik U, Koc B, Demirag A, Moray G, Kemik O.
Eur Rev Med Pharmacol Sci. 2014 Jul;18(14):1997-2005.
1.6. Analysis of Panel Reactive Antibodies in Renal Transplant Recipients Detected by Luminex: A Single-Center Experience.
İnal A, Özçelik Ü, Ogan Uyanık E, Külah E, Demirağ A.
Exp Clin Transplant. 2016 Aug;14(4):401-4. doi: 10.6002/ect.2014.0285. Epub 2015 Oct 30.
1.7. Development of an Information Model for Kidney Transplant Wait List.
Bircan HY, Özçelik Ü, Uysal N, Demirağ A, Haberal M.
Exp Clin Transplant. 2015 Nov;13 Suppl 3:58-61.
1.8. The Outcomes of Ultralow Anterior Resection or an Abdominoperineal Pull-Through Resection and Coloanal Anastomosis for Radiation-Induced Recto-Vaginal Fistula Patients.
Karakayali FY, Tezcaner T, Ozcelik U, Moray G.
J Gastrointest Surg. 2016 May;20(5):994-1001. doi: 10.1007/s11605-015-3040-8. Epub 2015 Dec 1.
1.9. Effect of Topical Platelet-Rich Plasma on Burn Healing after Partial-Thickness Burn Injury.
Ozcelik U, Ekici Y, Bircan HY, Aydogan C, Turkoglu S, Ozen O, Moray G, Haberal M.
Med Sci Monit 2016 Jun 5;22:1903-1909.
1.10. Influence of Various Living Donor Kidney Measurements in Relation to Recipient Body Measurements on Posttransplant Allograft Functional Outcomes.
Kulah E, Ozcelik U, Cevik H, Bircan HY, Y Karakayali F.
Exp Clin Transplant. 2018 (3):266-273. doi: 10.6002/ect.2015.0353
1.11. Surgical Complications After Kidney Transplantation.
Haberal M, Boyvat F, Akdur A, Kırnap M, Özçelik Ü, Yarbuğ Karakayali F.
Exp Clin Transplant. 2016 Dec;14(6):587-595.
1.12. Evaluation of Transplanted Kidneys and Comparison with Healthy Volunteers and Kidney Donors with Diffusion-Weighted Magnetic Resonance Imaging: Initial Experience.
Özçelik Ü, Çevik H, Bircan HY, Yarbuğ Karakayali F, Işıklar İ, Haberal M.
Exp Clin Transplant. 2017 Mar 22. doi: 10.6002/ect.2016.0341. [Epub ahead of print].
1.13. Increased Mortality Among Renal Transplant Patients With Invasive Pulmonary Aspergillus Infection.
Balcan B, Ozcelik U, Ugurlu AO, Aydin M, Nalcaci S, Yarbug Karakayali F.
Prog Transplant. 2018 Dec;28(4):349-353. doi: 10.1177/1526924818800044. Epub 2018 Sep 20.
1.14. Renal Hilus Ligation With Single Stapler in Laparoscopic Donor Nephrectomy.
Tokaç M, Eren E, Özçelik Ü, Şahin T, Dinçkan A.
Transplant Proc. 2019 Sep;51(7):2225-2227. doi: 10.1016/j.transproceed.2019.02.045.
1.15. Renal Transplantation in Patients With Atypical Hemolytic Uremic Syndrome: A Single Center Experience.
Alpay N, Ozçelik U.
Transplant Proc. 2019 Sep;51(7):2295-2297. doi: 10.1016/j.transproceed.2019.01.157.
1.16. Renal Transplantation in High Immunological Risk Patients: A Single-Center Experience.
Alpay N, Özçelik Ü, Eren E, Uslu B.
Transplant Proc. 2019 Sep;51(7):2298-2301. doi: 10.1016/j.transproceed.2019.04.075.
1.17. Correlation Between the Mayo Adhesive Probability Score and the Operative Time in Laparoscopic Donor Nephrectomy.
Özçelik Ü, Eren E, Urut DU, Talih T, Tokaç M, Dinçkan A.
Transplant Proc. 2021 Apr;53(3):793-798. doi: 10.1016/j.transproceed.2020.10.013. Epub 2020 Dec 4. PMID: 33272653.
1.18. Results of Using the Cystic Duct for Reconstruction of One of the Multiple Bile Ducts in Right Lobe Living Donor Liver Transplantation.
Özçelik Ü, Eren E, Tokaç M, Şahin T, Parlak H, Dinçkan A.
Transplant Proc. 2021 Jul 5:S0041-1345(21)00411-5. doi: 10.1016/j.transproceed.2021.06.005. Epub ahead of print. PMID: 34233848.
1.19. Comparison of bipolar vascular sealing and conventional back-table dissection in terms of post-renal transplant drainage and back-table preparation times
E. Eren, M. Tokac, U. Ozcelik, T. Sahin, G. Tellioglu, C. Peksen, A. Dinckan
Eur Rev Med Pharmacol Sci. 2023 Jul;27(13):6223-6228.
doi: 10.26355/eurrev_202307_32981.
2. Other works published or accepted for publication in journals covered by the indices recognized by YÖK (case reports, technical notes, letters to the editor, abstracts, reviews, case analyses, and full-text papers published in indexed proceedings)
2.1. Rectal diverticulitis mimicking rectal carcinoma with intestinal obstruction: Case report.
Ozcelik U, Bircan HY, Eren E, Demiralay E, Isiklar I, Demirag A, Moray G.
Turk J Gastroenterol. 2015; 26:60-62. DOI: 10.5152/tjg.2015.4521
2.2. Use of biological prosthesis in a patient with kidney and pancreas transplant and a giant incisional hernia: case report.
Ozcelik U, Cevik H, Bircan HY, Demirag A.
Exp Clin Transplant. 2015 Apr; 13 Suppl 1:231-4.
2.3. Delaying Renal Transplant after Radical Prostatectomy for Low-Risk Prostate Cancer.
Özçelik Ü, Bircan HY, Karakayalı F, Moray G, Demirağ A.
Exp Clin Transplant. 2015 Nov;13 Suppl 3:74-6.
2.4. Multiple Brain Abscesses Due to Phialemonium in a Renal Transplant Recipient: First Case Report in the Literature.
Aydın M, Özçelik Ü, Çevik H, Çınar Ö, Evren E, Demirağ A.
Exp Clin Transplant. 2015 Nov;13 Suppl 3:77-80.
2.5. Reconstruction of Traumatic External İliac Artery Dissection Due to Vascular Clamping
Kırnap M, Özçelik Ü, Akdur A, Ayvazoğlu Soy EH, Işıklar İ, Yarbuğ Karakayalı F, Moray G, Haberal M.
Exp Clin Transplant. 2017 Oct 31. doi: 10.6002/ect.2016.0091. [Epub ahead of print]
3. Other works published or accepted for publication in international field-specific indexed journals outside the indices recognized by YÖK (case reports, technical notes, letters to the editor, abstracts, reviews, and case analyses)
3.1. Jejunal torsion around the right ureter presenting as postoperative bowel obstruction: a case report.
Bircan H, Koc B, Ozcelik U, Demirag A.
J Med Case Rep. 2014 Jun 19;8:209.
3.2. Laparoscopic treatment of gallstone ileus.
Bircan HY, Koc B, Ozcelik U, Kemik O, Demirag A.
Clin Med Insights Case Rep. 2014 Aug 6;7:75-7.
3.3. Cutaneous necrosis as a result of isosulphane blue injection in mammarian sentinel lymph node mapping: report of two cases.
Bircan HY, Ozcelik U, Koc B, Kemik O, Demirag A.
Clin Med Insights Case Rep. 2014 Aug 11;7:79-81
3.4. Massive alimentary tract bleeding due to cytomegalovirus infection in an elderly patient.
Koc B, Bircan HY, Altaner S, Cinar O, Ozcelik U, Yavuz A, Kemik O.
Infect Dis Rep. 2014 Sep 22;6(3):5512.
3.5. Right lobe liver transplantation for Wilson’s Disease from heterozygote donor: Case report
Ozcelik U, Eren E, Tokaç M, Dinçkan A.
Transplantation Reports, 2019-12-01, Volume 4, Issue 4, Article 100023
4. Full articles published or accepted for publication in nationally peer-reviewed journals
4.1. Efficacy of Low-Dose Valganciclovir Prophylaxis for Cytomegalovirus Infection in Kidney Transplantation
Ümit Özçelik, Nadir Alpay, Eryiğit Eren, Bora Uslu, Ahmet Cem Yardımcı
Med Bull Haseki. 2020;58:27-32. DOI: 10.4274/haseki.galenos.2019.5251
4.2. Efficacy of a Short-Term Low-Dose Hepatitis B Immunoglobulin and Nucleotide Analogue Combination in Preventing Hepatitis B Recurrence After Liver Transplantation
Ümit Özçelik, Eryiğit Eren, Tutkun Talih, Ömer V. Özozan, Fatih Ensaroğlu
Bozok Med J 2020;10(1):211-16. DOI: 10.16919/bozoktip.661595
4.3. A Comparison of Actual Graft Weight and Estimated Graft Volume Calculated with New Software Used for Anatomical and Volumetric Analysis of the Liver with Computed Tomography in Living Liver Donors
Ümit Özçelik, Eryiğit Eren, Yıldıray Tutpınar, Devrim Ulaş Urut, Mehmet Tokaç, Ayhan Dinçkan
Experimed 2021; 11(2):96-101. DOI: 10.26650/experimed.2021.942836
5. Other works published or accepted for publication in nationally peer-reviewed journals (case reports, technical notes, letters to the editor, abstracts, reviews, and case analyses)
5.1. Tailgut Cyst — A Rare Cause of a Retrorectal Mass: Case Report
Ü. Özçelik, H.Y. Bircan, H. Çevik, Ş. Altaner, A. Demirağ
Acta Oncologica Turcica 2015. Volume 48, Issue 2, Pages 86–89. doi:10.5505/aot.2015.03016
Conference Presentations
6. Papers presented orally and published as abstracts at international congresses, symposia, workshops, and other scientific meetings
6.1. Ultrasound-guided percutaneous cholecystostomy for acute cholecystitis in high risk patients
Yahya Ekici, Ümit Özçelik, Umut Özyer, Gökhan Moray
19. International Euroasian Congress of Surgery and Gastroenterology. 2006.
6.2. Early diagnosis and successful management of acute humoral rejection via regional tissue oxygen saturation probe
Şule Turgut Balcı, Dilek Altun, Özlem Çınar, Ümit Özçelik, Halime Çevik, Ayda Türköz, Alp Demirağ
14th Congress of the Middle East Society of Organ Transplantation 2014, O-147
6.3. Evaluation of graft rejection risk of renal transplant recipients at the postoperative first year in our institution
Ali İnal, Ümit Özçelik, Eyyüp Külah, Hüseyin Yüce Bircan, Feza Karakayalı, Alp Demirağ
1st Congress of the Turkic World Transplantation Society 2015, O-28
6.4. Results of BK Virus Screening in Renal Transplant Recipients
Ümit Özçelik, Hüseyin Yüce Bircan, Mehtap Aydın, Eyyüp Külah, Feza Yarbuğ Karakayalı, Mehmet Haberal
15th Congress of the MESOT, 2016, O-54
6.5. Ligasure versus clamp and tie for back table kidney dissection.
Ümit Özçelik, Eryiğit Eren
1st International Transplant Network Congress 2018, OP-105.
7. Papers presented as posters at international congresses, symposia, workshops, and other scientific meetings
7.1. Ultrasound elastography findings of renal transplants: Initial experience
Halime Çevik, Ümit Özçelik, Hüseyin Yüce Bircan, İclal Işıklar, Selami Suma, Alp Demirağ,
14th Congress of the Middle East Society of Organ Transplantation 2014, P-53
7.2. The effects of the peritoneal dialysis catheter replacement methods: The open versus the laparoscopic pre-peritoneal tunneling approach
Hüseyin Yüce Bircan, Eyyüp Külah, Ümit Özçelik, Feza Karakayalı, Alp Demirağ, Mehmet Haberal,
1st Congress of the Turkic World Transplantation Society 2015, P-21
7.3. Effect of cytochrome P450 3A5 genetic polimorphism on tacrolimus doses and concentration
Hacer Eroğlu, Yunus Kasım Terzi, Ümit Özçelik, Hüseyin Yüce Bircan, Nida Çekin, Alp Demirağ,
1st Congress of the Turkic World Transplantation Society 2015, P-26
7.4. Correlation of bone mineral density (BMD) with calcium, vitamin D and PTH levels in renal transplant recipients
Ümit Özçelik, Hüseyin Yüce Bircan, Halime Çevik, Feza Karakayalı, Alp Demirağ,
1st Congress of the Turkic World Transplantation Society 2015, P-30
7.5. Results of paired kidney exchange transplantation: initial experience of a single institution
F Karakayali, U Ozcelik, A Akdur, HY Bircan, S Yildirim, G Moray, M Haberal
26th International Congress of The Transplantation Society , Transplantation 100 (7), S661
7.6. Effects of natural immune system on acute rejection of living donor renal transplantation
Mahir Kırnap, Yaprak Yalçın, Ümit Özçelik, Yahya Ekici, Belgin F. Ataç, Gökhan Moray, Mehmet Haberal
26th International Congress of The Transplantation Society 2016, Transplantation 100 (7), S555
7.7. Comparison of Kidney Extraction Incisions in Laparoscopic Living Donor Nephrectomy: A Single Center Experience
EHA Soy, FY Karakayali, U Ozcelik, G Moray, A Torgay, M Haberal
27th Congress of The Transplantation Society 2018, Transplantation 102, S498
7.8. Our Experience with Paired Kidney Exchange Transplantation
M Haberal, A Akdur, FY Karakayali, U Ozcelik, G Moray, E Kulah, A Inal
27th Congress of The Transplantation Society 2018, Transplantation 102, S499
7.9. Surgical Treatment for Ureteral Obstruction After Kidney Transplantation
M Haberal, F Boyvat, A Akdur, M Kirnap, U Ozcelik, FY Karakayali,
27th Congress of The Transplantation Society 2018, Transplantation 102, S630
8. Papers presented orally and published as abstracts at national congresses, symposia, workshops, and other scientific meetings
8.1. Colostomy Complications: Experience of a Single Center
Y. Ekici, E. Karagülle, Ü. Özçelik, T. Avcı, G. Moray
16th National Congress of Surgery 2008, KOL-29
8.2. Laparoscopic Cholecystectomy in Patients Undergoing Continuous Ambulatory Peritoneal Dialysis
Y. Ekici, Ü. Özçelik, M. C. Yağmurdur, G. Moray, H. Karakayalı
1st Minimally Invasive Surgery Congress 2009, SS-4
8.3. Extended Continuous Circular Renal Artery Anastomosis Technique in Kidney Transplantation
Eryiğit Eren, Ümit Özçelik
12. TONKKD Kongresi 2018, S-5.
9. Posters presented at national congresses, symposia, workshops, and other scientific meetings
9.1. Patient Preferences Regarding Natural Orifice Transluminal Endoscopic Surgery (NOTES) as a Cholecystectomy Technique
Y. Ekici, Ü. Özçelik, F. Karakayalı, H. Peker, G. Moray
1st Minimally Invasive Surgery Congress 2009
9.2. Incidence and Histopathological Behavior of Incidental Papillary Thyroid Microcarcinoma
A. Demirağ, H.Y. Bircan, Ü. Özçelik, B. Koç, E. Demiralay
19th National Congress of Surgery 2014, PS-0307
9.3. Severe Intra-Abdominal Bleeding Due to Hemorrhagic Cholecystitis and Gallbladder Rupture
Ümit Özçelik, Hüseyin Yüce Bircan, Halime Çevik, Feza Yarbuğ Karakayalı
20th National Congress of Surgery 2016, PS-0906
9.4. Ultrasound-Guided Thoracic Paravertebral Block-Assisted Anesthesia in Donor Nephrectomy: A Prospective Randomized Study
Hüseyin Yüce Bircan, Özlem Yenidünya, Ümit Özçelik, Feza Karakayalı, Mehmet Haberal
20th National Congress of Surgery 2016, PS-1269
9.5. Microlithiasis — A Rare Cause of Prolonged Bile Leakage After Donor Hepatectomy
Eryiğit Eren, Ümit Özçelik, Mehmet Tokaç, Ayhan Dinçkan
12. TONKKD Kongresi 2018, P-26.
Authorship of an International Book Chapter
1. Surgical Complications After Kidney Transplant
M. Haberal, F Boyvat, A Akdur, M Kirnap, U Ozcelik, FY Karakayali
Transplantation Surgery, 2021, pages 181–194, Springer, Cham