Asst. Prof. MD. Seyithan Özaydın

Education and Training

• Fırat University Faculty of Medicine
• Ankara Dr. Sami Ulus Training and Research Hospital for Child Health and Diseases — Specialization in Pediatric Surgery

Experience

• Bağcılar Training and Research Hospital
• Üsküdar State Hospital
• Kanuni Sultan Süleyman Training and Research Hospital
• Çam and Sakura City Hospital
• Cerrahpaşa Faculty of Medicine, Department of Pediatric Surgery
• Bangladesh Turkish Field Hospital

Languages

• English

International Peer-Reviewed Journals

• Çelebi S, Sander S, Kuzdan Ö, Özaydın S, Güvenç U, Yavuz S, Kıyak A, Demirali O. Misdiagnoses Caused by Use of Indwelling Urethral Catheters in Children with Ureterovesical Junction Anomalies. Int Urol Nephrol. 2015;47(4):579-583.
• Çelebi S, Kuzdan Ö, Sander S, Gündüz N, Özaydın S, Yavuz S. Congenital Prepubic Sinus with Remnant Tissue Mimicking Corpus Spongiosum: A Rare Case. Eur J Pediatr Surg Rep. 2015;3(1):43-45.
• Çelebi S, Sander S, Kuzdan Ö, Özaydın S, Beşik Beştaş C, Yavuz S, Kıyak A, Demirali O. Current Diagnosis and Management of Primary Isolated Bladder Diverticula in Children. J Pediatr Urol. 2015;11(2):61.e1-5.
• Çelebi S, Özaydın S, Başdaş C, Kuzdan Ö, Erdoğan C, Yazıcı M, Caymaz İ, Sander S. The Effect of Bladder Diverticula on Bladder Function: An Experimental Study in Rabbits. J Pediatr Surg. 2016;51(9):1538-1542.
• Çelebi S, Özaydın S, Başdaş CB, Kuzdan Ö, Özaydın İ, Erdoğan C, Sander S. Reliability of the Grading System for Voiding Cystourethrograms in the Management of Vesicoureteral Reflux: An Inter-rater Comparison. Adv Urol. 2016;2016:1684190.
• Çelebi S, Kuzdan Ö, Özaydın S, Başdaş CB, Özaydın İ, Erdoğan C, Sander S. A Bladder Diverticulum Model in Rabbits. J Pediatr Urol. 2016;12(5):311.e1-311.e6.
• Korkmaz Toker M, Altan Y, Ciftci F, Gülleroğlu A, Özaydın S, Demiraran Y. A Comparison of Pre-emptive Regional Analgesic Modalities for Unilateral Inguinal Hernia Repair in Children. Int J Clin Exp Med. 2016;9(6):11244-11251.
• Özaydın S, Çelebi S, Caymaz İ, Beşik C, Karaaslan B, Kuzdan Ö, Sander S. Increasing the Reliability of the Grading System for Voiding Cystourethrograms Using Ultrasonography: An Inter-rater Comparison. Nephro-Urol Mon. 2016;8(5):e38685.
• Beşik C, Çelebi S, Özaydın S, Karaaslan B, Alim R, Güvenç U, Sander S. Unusual Presentation of Duplex Kidneys: Ureteropelvic Junction Obstruction. Adv Urol. 2016; Article ID 7960794.
• Çelebi S, Erginel B, Özaydın S, Başdaş C, Polat E, Sander S. Hyperacidity in Meckel’s Diverticulum: A Hypothesis. Med Sci Hypotheses. 2017;4:24-28.
• Özaydın S, Gülleroğlu A, Karaaslan B, Çelebi S, Beşik C, Korkmaz Toker M, Sander S. Penetrating Injury Caused by a Long Construction Iron: Case Report. North Clin Istanb. 2018;5(1):75-78.
• Çelebi S, Özaydın S, Polat E, Karaaslan B, Başdaş C, Alim ER, Sander S. Vitelline Duct Pathologies in Neonates. North Clin Istanb. 2018;5(3):211-215.
• Babayiğit A, Özaydin S, Çetinkaya M, Sander S. Neonatal Gastric Perforations in Very Low Birth Weight Infants: Single-center Experience and Literature Review. Pediatr Surg Int. 2018;34(1):79-84.
• Kuzdan MÖ, Alim R, Karaaslan B, Çelebi S, Özaydın S. The Effect of Technical Problems on the Operation Process in Pediatric Laparoscopy. Med Bull Sisli Etfal Hosp. 2019;53(2):110-113.
• Kuzdan MÖ, Alim A, Alim R, Çelebi S, Özaydın S, Karaaslan B, Beşik C. Infantile Hepatic Hemangioma: Case Report and Surgical Technique. Med Bull Sisli Etfal Hosp. 2020;54(1):108-112.
• Cebeci B, Babayiğit A, Özaydin S, Büyükkale G, Çetinkaya M. Congenital Esophageal Diverticulum in a Very Low Birth Weight Infant: Case Report and Review. Turk J Pediatr. 2020;62(3):520-524.
• Çetinkaya M, Erener Ercan T, Yavuz S, Ozaydin S. Peritoneal Dialysis as a Life-saving Procedure in an Extremely Low Birth Weight Infant: Case Report and Review. Turk J Pediatr. 2020;62(6):1069-1076.
• Aygün D, Yıldırım T, Başoğlu ÖÖ, Kuzdan Ö, Özaydın S, et al. Hydatid Disease in Childhood: Single-center Experience. J Pediatr Inf. 2020;14(2):80-86.
• Behram M, Oğlak SC, Özaydin S, et al. Predictors of Morbidity and Mortality in Gastroschisis. Turk J Med Sci. 2021;51(3):1587-1595.
• Özaydin S, Celebi S. Ureteropelvic Junction Obstructions: Is Side a Prognostic Factor? Niger J Clin Pract. 2022;25(8):1357-1360.
• Cömert HSY, Güney D, Durakbaşa ÇU, … Özaydın S, … Effect of Postoperative Ventilation Strategies in Esophageal Atresia: Turkish Registry. Pediatr Pulmonol. 2023;58(3):763-771.
• Öztorun Cİ, Ulukaya Durakbaşa Ç, … Özaydın S, … Risk Factors for Anastomotic Stricture after Esophageal Atresia Repair: Turkish Registry. Eur J Pediatr Surg. 2024;34(6):550-557.
• Özaydın S. Combined Treatment (Tunnelled Composite Inguinal Skin Flap + Buccal Mucosal Graft + HBOT) for Catastrophic Penile Loss after Circumcision. Arch Esp Urol. 2024;77(7):826-836.
• Ozaydin S, Dogan S, Yildiz Ozaydin I, Aycicek A, Ata R, Mahmut Z, Guvenc U, Besik C, Demirali O. Colorectal Cancer in Children: Literature Evaluation Based on 11-Year Single-center Experience. Pediatr Surg Int. 2025;41:116.

National Peer-Reviewed Journals

• Özaydın S, Karaman A, Çavuşoğlu YH, Karaman İ, Erdoğan D, Aslan MK, Çakmak Ö. Removal of Coins from the Upper Esophagus Using a Foley Catheter in Children. Turkiye Klinikleri J Pediatr. 2005;14(4):175-177.
• Özaydın S, Karaman A, Karaman İ, Erdoğan D, Çavuşoğlu YH, Aslan MK, Çakmak Ö. Adrenal Abscess: Case Report. J Pediatr Surg (TR). 2007;21(3):144-146.
• (…and entries B3–B16 as provided; translated titles preserved.)

Oral Presentations – International Congresses

• Şahin A, Ozaydin S, Ozkan S, et al. Iatrogenic Injury and ICU Follow-up after Foreign Body Removal from Esophagus in a Child. European Anaesthesiology Congress, Barcelona, 2020.
• Özaydın S. Negative Exploration: 33-Year Single-center Results. 6th Int. Congress on Medical & Health Sciences Research, 2021 (online).
• Özaydın S, Demirali O. Our Bronchoscopy and Esophagoscopy Experience. 7th Int. Congress on Medical & Health Sciences Research, 2021 (online).
• Kuzdan MÖ, Beşik C, Özaydın S, Karaaslan B. Laparoscopy in Obese Children: Umbilical Closure with PIRS Method. 36th Turkish Pediatric Surgery Congress, 2018, İzmir.

Oral Presentations – National Congresses

• (D1–D4 as listed; titles translated to English.)

Posters – National Congresses

• (E1–E30 as listed; titles translated to English.)

Teaching, Courses & Session Chairing

• Resident Lectures (Instructor):
• Pediatric Surgery Clinic, Başakşehir Çam & Sakura City Hospital: 2020–2021 (Terms 1–2)
• Pediatric Surgery Clinic, Kanuni Sultan Süleyman TRH: 2022–2025 (multiple terms)
• Urology Clinic, Kanuni Sultan Süleyman TRH: 2024–2025 (Terms 1–2)
• Certified Nursing Programs (Lecturer): Pediatric ICU Nursing and Pediatric Emergency Nursing at multiple hospitals (2019–2024; dates as provided).
• Session Chair: Hepatobiliary & Upper GIS, 40th Turkish Pediatric Surgery Congress, 26–29 Oct 2023, Ankara.

Courses

• Training Course on Promoting Rational Drug Use, MoH (Nov 2000)
• Burns: First Aid & Treatment, Ankara Surgical Association (2003)
• Neonatal Resuscitation Program (2005)
• Pediatric Urology Postgraduate Courses (2006)
• Diagnostic/Therapeutic Courses in Pediatric Urology, Rigid Bronchoscopy, Basic Endoscopy & Endoscopic Surgery (2017–2018)

Certificates & Participation

• (H1–H21 congresses/workshops/certificate programs; details preserved with dates and organizers.)

Award

• Prof. Dr. İhsan Numanoğlu Scientific Research Award – Urodynamic Evaluation of the Effects of Bladder Diverticulum on Bladder Function: Experimental Rabbit Study. 33rd Turkish Pediatric Surgery Congress, 2015.

Commendations

• Letter of Appreciation, İstanbul Health Directorate (Mar 23, 2010) – Outstanding contribution at Bağcılar TRH.
• Certificate of Achievement, Governorship of İstanbul (Dec 12, 2011) – Volunteer service during the Van Earthquake response.

Book Chapter

• Özaydın S. Colorectal Cancers in Children. In: Oncology with a Multidisciplinary Approach. Livre de Lyon; October 2023. ISBN: 978-2-38236-583-0.