Лучшие в мире врачи

Uzm. Dr. Gunay Hajiyeva is a psychiatrist. She graduated from Azerbaijan Medical University in 2013. She completed her psychiatry residency at Cukurova University Balcali Hospital in 2021. She received training in Cognitive Behavioral Therapy (CBT), EMDR, and Dynamic Sexual Therapy.

Her clinical focus includes schizophrenia, mood disorders, trauma, anxiety, eating disorders, obsessive-compulsive disorder, alcohol and substance use disorders, and sexual dysfunction. She speaks English, Russian, and German. She is active in academic and clinical research. She has presented at national and international congresses.

The doctor is a distinguished neurosurgeon with over 30 years of experience, specializing in skull base surgery, neuro-oncology, neurovascular surgery, spine, and spinal cord surgery.

Currently serving as a professor at NPISTANBUL Brain Hospital, the doctor has contributed to numerous international and national peer-reviewed journals and has presented scientific papers at various international conferences.

The doctor graduated from Istanbul University Istanbul Medical School and completed post-graduation in neurosurgery from the same institution.

The doctor is an eminent neurologist with over 25 years of experience, specializing in the treatment of various neurological conditions such as headaches, dizziness, epilepsy, migraines, fainting, dementia, brain diseases, multiple sclerosis, Alzheimer's disease, stroke, sleep apnea, vertigo, Parkinson's disease, and paralysis.

The doctor has contributed significantly to the field of neurosciences, with numerous publications in international peer-reviewed journals, authorship of several books and book chapters, and has been recognized with multiple awards.

The doctor completed medical education and neurology residency at Ege University School of Medicine.

Cardiovascular Surgery (Pediatric ) 

Prof. Dr. Emin Tireli completed his Medical initiative degree from Istanbul University Faculty of Medicine Cardiovascular Surgery. He also did his Specialization in Cardiac Surgery from the same university.  As a professor, he provided his service to the university. Currently, he is working as a specialist at Altınbaş University Hospital Medical Park Bahçelievler in the department of Cardiac Surgery.

 Prof. Dr. Emin Tireli is proficiently treating such problems

• Congenital heart disease ,
• Pediatric cardiac surgery
• Adult cardiac surgery 
• Aortic surgery 
• Aneurysm 
• Coronary artery 
• Heart valve surgery 

Scientific Publications

1. [The effect of two different glycemic management protocols on postoperative cognitive dysfunction in coronary artery bypass surgery].

Kurnaz P, Sungur Z, Camci E, Sivrikoz N, Orhun G, Senturk M, Sayin O, Tireli E, Gurvit H.

Rev Bras Anestesiol. 2017 May - Jun;67(3):258-265. doi: 10.1016/j.bjan.2016.01.007. Epub 2017 Feb 27. Portuguese.

PMID: 28256333 Free Article

Select item 25134394

2. The role of Porphyromonas gingivalis in the development of atherosclerosis and its relationship with fim A genotype.

Ziver T, Balci A, Ergin S, Gode S, Kuskucum M, Torlak Z, Yuksel P, Tokman HB, Ipek G, Tireli E, Midilli K, Yekeler I, Kiraz N, Kocazeybek B.

Clin Lab. 2014;60(7):1225-32.

PMID: 25134394

Select item 24631983

3. Pressure-controlled mechanical ventilation is more advantageous in the follow-up of patients with chronic obstructive pulmonary disease after open heart surgery.

Ugurlucan M, Basaran M, Erdim F, Selimoglu O, Caglar IM, Zencirci E, Filizcan U, Ogus NT, Yildiz Y, Tireli E, Isik O, Dayioglu E.HeartSurg Forum. 2014 Feb;17(1):E1-6. doi: 10.1532/HSF98.2013236

PMID: 24631983

Select item 23571798

4. Extracardiac off-pump fontan completion for single ventricle with dextrocardia. Goksel OS, Gok E, Tireli E, Dayioglu E.Innovations (Phila). 2013 Jan-Feb;8(1):73-5. doi: 10.1097/IMI.0b013e3182810e08.

PMID: 23571798

Select item 22450102

5. Aorto-GoreTex central shunt with side-to-side aortic anastomosis.Uğurlucan M, Tireli E.Ann Thorac Surg. 2012 Apr;93(4):1400-1; author reply 1401. doi: 10.1016/j.athoracsur.2011.10.049. No abstract available. PMID: 22450102

Select item 22362623

6. Transcaval invasion of right atrium by thymoma: resection via transient cava-pulmonary shunt. Toker A, Tireli E, Tanju S, Kaya S.Eur J Cardiothorac Surg. 2012 May;41(5):1175-7. doi: 10.1093/ejcts/ezr261. Epub 2012 Feb 22.PMID: 22362623 Select item 22124632

7. Aorta after stent grafting for mycotic aneurysm.Alpagut U, Ugurlucan M, Tireli E, Rozanes I, Dayioglu E.Arq Bras Cardiol. 2011 Oct;97(4):e78-81. English, Portuguese, Spanish.

PMID: 22124632 Free Article Select item 21729497

8. Modified Nikaidoh procedure in a patient with transposition of the great arteries, ventricular septal defect, and left ventricular outflow tract obstruction with unusual coronary anatomy. Ugurlucan M, Sayin OA, Tireli E Cardiol Young. 2011 Dec;21(6):703-6. doi: 10.1017/S104795111100062X. Epub 2011 Jun 27. PMID: 21729497 Select item 21440183,

9. Off-pump Fontan and fenestration during single ventricle palliation. Ugurlucan M, Karabay BC, Tireli E.Ann Thorac Surg. 2011 Apr;91(4):1309-10. doi: 10.1016/j.athoracsur.2010.07.101. No abstract available. PMID: 21440183 Select item 21177304

10. Endovascular treatment of mycotic saccular aneurysms of the thoracic aorta. Ugurlucan M, Umaroglu S, Tireli E, Alpagut U.Interact Cardiovasc Thorac Surg. 2011 Jan;12(1):63. doi: 10.1510/icvts.2010.249102A. No abstract available.PMID: 21177304 Select item 21158914

11. Bilateral PDA in a patient with VSD and pulmonary atresia. Ugurlucan M, Sayin OA, Dayioglu E, Tireli E. JCard Surg. 2011 Jan;26(1):107-10. doi: 10.1111/j.1540-8191.2010.01165.x. Epub 2010 Dec 16.PMID: 2115891 Select item 20954441

12. Aneurysm and Helicobacter pylori relationship: the seropositivity of CagA, VacA and other antigens of Helicobacter pylori in abdominal and ascending aortic aneurysms.

Ziver T, Yuksel P, Ipek G, Yekeler I, Bayramoglu Z, Tireli E, Saribas S, Aslan M, Yalvac SD, Ozdomanic I, Torlak Z, Dirican A, Torun MM, Kocazeybek B.

New Microbiol. 2010 Jul;33(3):233-42.

PMID: 20954441 Free Article Select item 20951266

13. Surgical versus endovascular treatment for type B aortic dissections.

Ugurlucan M, Karabay BC, Alpagut U, Tireli E. J Thorac Cardiovasc Surg. 2010 Nov;140(5):1202-3.e1. doi: 10.1016/j.jtcvs.2010.06.062. No abstract available. PMID: 20951266 Free Article Select item 20942745

14. Glutamine enhances the heat shock protein 70 expression as a cardioprotective mechanism in left heart tissues in the presence of diabetes mellitus.Ugurlucan M, Erer D, Karatepe O, Ziyade S, Haholu A, Gungor Ugurlucan F, Filizcan U, Tireli E, Dayioglu E, Alpagut U.  Expert Opin Ther Targets. 2010 Nov;14(11):1143-56. doi: 10.1517/14728222.220100.521500.

PMID: 20942745

Select item 20694768

15. Infrarenal aortic coarctation. Alpagut U, Ugurlucan M, Sayin OA, Tireli E, Dayioglu E.Wien Med Wochenschr. 2010 Jul;160(13-14):372-5. doi: 10.1007/s10354-010-0810-5. PMID: 20694768

Select item 20519309

16. The aortoplasy technique. Karabay CB, Ugurlucan M, Abbasi SH, Tireli E.Asian Cardiovasc Thorac Ann. 2010 Jun;18(3):316. doi: 10.1177/0218492310365362. No abstract available. PMID: 20519309

Select item 20335395

17. eComment: Advance of guidewire from the brachial artery to facilitate correct positioning of the stent graft during repair of type 3 aortic dissections. Ugurlucan M, Alpagut U, Tireli E, Dayioglu E .Interact Cardiovasc Thorac Surg. 2010 Apr;10(4):599. doi: 10.1510/icvts.2009.223040A. No abstract available. PMID: 20335395 Select item 20042418

18. Single-institutional 22 years experience on cardiac myxomas. Cetin G, Gursoy M, Ugurlucan M, Uzunhasan I, Hatemi AC, Tireli E, Kucukoglu S, Kansiz E. angiology 2010 Jul;61(5):504-9. doi: 10.1177/0003319709352489. Epub 2009 Dec 29. PMID: 20042418

Select item 19766858

19. Minimally invasive mitral valve surgery after previous sternotomy. Goksel OS, Tireli E. Ann Thorac Surg. 2009 Oct;88(4):1384; author reply 1384. doi: 10.1016/j.athoracsur.2009.03.020. No abstract available. PMID: 19766858 Select item 19660147

20. Single-stage correction, with extensive pulmonary arterial reconstruction, of a pulmonary arterial sling associated with tetralogy of Fallot. Goksel OS, Tireli E, Celebi A. Cardiol Young. 2009 Sep;19(5):519-21. doi: 10.1017/S1047951109991119. Epub 2009 Aug 7. PMID: 19660147

The doctor specializes in pediatric diseases and neurology, with a significant focus on child neurology. With over 30 articles published in international scientific journals, the doctor has made substantial contributions to the field.

Previously, the doctor served as Head of the Department of Pediatrics at Haydarpasa Training and Research Hospital in Istanbul from 2016 to 2017. Currently, the doctor is practicing as a pediatrician and pediatric neurologist at Memorial Ataşehir Hospital in Istanbul.

The doctor is a member of the Child Neurology Association and the Association against Epilepsy, highlighting a commitment to advancing knowledge and treatment in these areas.

Dr. Ayse Yesim Oral is an Ophthalmology Specialist at Memorial Ataşehir Hospital in Istanbul. She has more than 25 years of experience. She has worked at Afyonkarahisar University of Health Sciences and Kartal Dr. Lütfi Kırdar Training and Research Hospital. Dr. Oral earned her medical degree from Istanbul University. She completed her specialist training in ophthalmology at Cerrahpaşa Faculty of Medicine.

Dr. Oral has published several articles on glaucoma, cataract surgery, refractive surgery, and pediatric ophthalmology. She is a member of the Turkish Ophthalmology Association, the Strabismus Unit, and the World Society of Paediatric Ophthalmology and Strabismus. She has also been a panelist and course instructor at national ophthalmology congresses. Her main interests are strabismus and pediatric eye health.

Dr. Halil Olgun Peker is a neurosurgeon with 19 years of experience. He specializes in scoliosis, spinal canal stenosis, neck hernia, neuro-oncology, and complex spine disorders. Dr. Peker has managed many difficult cases and has helped improve neurosurgical techniques and patient care.

He is a member of the Turkish Medical Association and the Congress of Neurological Surgeons. The Ministry of Health in Sirnak awarded him a Certificate of Achievement for his service. Dr. Peker often presents his work at international conferences, showing his dedication to neurosurgery.

Dr. Mahir Cengiz is a Professor of Internal Medicine and an Internal Medicine Specialist. He works at Memorial Göztepe Hospital (2025–present). He previously served at Istanbul Aydın University–Medical Park Florya (2022–2025). He held roles at Biruni University Hospital as Lecturer and Chief Physician (2018–2022). Earlier, he was a Lecturer at Istanbul University–Cerrahpaşa Faculty of Medicine (2013–2018) and Chief Physician at Şarkışla State Hospital (2012–2013).

His track record includes 12 years as a lecturer and 5 years as a chief physician. He earned his MD from Istanbul University, Istanbul Faculty of Medicine (2000–2006). He completed an Internal Medicine residency at Istanbul University–Cerrahpaşa (2006–2011). He served as Chief Resident in Internal Medicine (2013–2017). He became an Associate Professor in 2017 and a Professor in 2022.

Fields of Study and Interests

 Breast Cancer

 Lung Cancer

 Colon Cancer

 Stomach Cancer

 Rectum Cancer

 Ovarian Cancer

 Uterine Cancer

 Liver Cancer

 Esophageal Cancer - Esophagus Cancer

 Kidney Cancer

 Larynx Cancer - Throat Cancer

 Thyroid Cancer

 Head and Neck Cancers

 Gynecological Cancers

 Pancreatic Cancer

 Esophageal Cancer - Esophagus Cancer

 Uterine Cancer

 Brain Cancers - Brain Tumors

 Soft Tissue Cancer - Sarcomas

 Prostate Cancer

 Bladder Cancer

 Bile Duct Cancer

 Testicular Cancer

 Cervical Cancer

 Mouth, Tongue, Lip Cancers

 Gastrointestinal System Cancers

 Bone Tumors

 Trachea and Bronchial Cancers

 Skin Cancers - Skin Cancers

 Skeletal System Tumors

 Gallbladder Cancer

 Mesothelioma

Education

 Cumhuriyet University Faculty of Medicine, 2004

 Istanbul Haydarpaşa Education and Research Hospital Internal Medicine Specialist, 2010

 Karadeniz Technical University Faculty of Medicine Medical Oncology Specialist, 2015

Career

 MD Andeson Cancer Center, USA, 2008

 Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017

 Moffit Cancer Center, USA 2022

 Istanbul Haydarpaşa Education and Research Hospital Internal Medicine, 2010

 İdil State Hospital Internal Medicine Clinic, 2011

 Karadeniz Technical University Faculty of Medicine Medical Oncology Clinic, 2015

 Istanbul Göztepe Education and Research Hospital Medical Oncology Clinic, 2018

 Yeniyüzyıl University Gaziosmanpaşa Hospital Medical Oncology Clinic, 2020

 Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022

Professor Dr. Engin Cakar is a specialist in Physical Medicine and Rehabilitation, Algology (Pain Medicine), and Electrodiagnostic Neurology. He practices at Memorial Göztepe and Memorial Şişli Hospitals. He previously held posts at Medipol Mega University Hospital and GATA Haydarpaşa Training Hospital.

Titles and training: Professor (2016). Associate Professor (2011). Algology specialty, Ministry of Health Medical Specialization Board–GATA (2011). Electrodiagnostic Neurology, Marmara University (2007–2010).

Publications: 40 international and 17 national peer-reviewed articles. Presentations: 17 international and 12 national. He has also written many book chapters. Memberships: European Society of PRM; Turkish PM&R; Turkish Algology; Turkish Clinical Neurophysiology (EEG–EMG). He chairs the Brain Stimulation and Neurorestoration Working Group.

Further training: Harvard Medical School—Transcranial Magnetic Stimulation and Direct Current Stimulation. He has given many invited lectures and attended many congresses.