Spec. MD.Ozan Tezen
Cardiology
Experienced Cardiologist Specializing in Interventional and Clinical Cardiology at İstinye University Liv Hospital
Spec. MD. Ozan Tezen is a dedicated cardiologist at İstinye University Liv Hospital Bahçeşehir, specializing in advanced diagnosis and treatment of cardiovascular diseases including ischemic heart disease, heart failure, atrial fibrillation, and pulmonary embolism. Dr. Tezen utilizes state-of-the-art imaging and interventional cardiology techniques, such as speckle-tracking echocardiography and minimally invasive procedures, to provide precision care. His approach emphasizes individualized patient assessment and integrated management that improves cardiac function and reduces cardiovascular risks.
At İstinye University Liv Hospital, Dr. Tezen collaborates closely with multidisciplinary care teams, combining clinical expertise and innovative treatment protocols to optimize patient outcomes. He is committed to patient education and holistic care, fostering proactive heart health management and rehabilitation.
Dr. Ozan Tezen is an active academic and researcher with multiple peer-reviewed international publications focused on cardiovascular risk prediction, arrhythmia management, and prognostic biomarkers. His recent work includes studies on systemic immune-inflammatory index, atrial premature complexes, and pulmonary artery ratio in acute pulmonary embolism. Dr. Tezen actively mentors cardiology fellows and medical students, promoting evidence-based practice and fostering innovation within the department.
His combined clinical and research expertise enhances İstinye University Liv Hospital’s commitment to delivering cutting-edge cardiovascular care informed by the latest scientific advances.
- Tezen, O., Hayıroğlu, M. İ., Pay, L., Yumurtaş, A. Ç., Keskin, K., Çetin, T., Dereli, ş., Kadığoğlu, H., Yücedağ, F. F., Arter, E., & Dayı, ş. Ü. (2024). The role of systemic immune-inflammatory index in predicting contrast-induced nephropathy in non-ST-segment elevation myocardial infarction cases. Biomarkers in Medicine, 18(21-22), 937"“944. https://doi.org/10.1080/17520363.2024.2415284
- Tezen, O., Pay, L., Yumurtaş, A. Ç., Çetin, T., Eren, S., Öz, M., Coşkun, C., Karabacak, C., Yenitürk, B., Çınar, T., & Hayıroğlu, M. İ. (2024). The Role of Atrial Premature Complexes in Exercise Test in Predicting Atrial Fibrillation in Patients Without Obstructive Coronary Artery Disease. Pacing and Clinical Electrophysiology: PACE, 47(12), 1586"“1592. https://doi.org/10.1111/pace.15090
- Pay, L., Tezen, O., Çetin, T., Yumurtaş, A. Ç., Keskin, K., Dereli, ş., Arter, E., Oflu, Y., Şaylık, F., Korucu, B. C., Çınar, T., & Hayıroğlu, M. İ. (2025). Investigation of predictive parameters for recurrence in patients undergoing electrical cardioversion for atrial fibrillation. Journal of Arrhythmia, 41(2), e70053. https://doi.org/10.1002/joa3.70053
- Yumurtaş, A. Ç., Pay, L., Tezen, O., Çetin, T., Yücedağ, F. F., Arter, E., Kadıoğlu, H., Akgün, H., Özkan, E., Uslu, A., Küp, A., Şaylık, F., Çınar, T., & Hayıroğlu, M. İ. (2025). Evaluation of risk factors for long-term atrial fibrillation development in patients undergoing typical atrial flutter ablation: a multicenter pilot study. Herz, 50(1), 51"“58. https://doi.org/10.1007/s00059-024-05261-2
- Pay, L., Çetin, T., Keskin, K., Dereli, ş., Tezen, O., Yumurtaş, A. Ç., Kolak, Z., Eren, S., Şaylık, F., Çınar, T., & Hayıroğlu, M. İ. (2024). Prognostic value of pulmonary artery diameter/aorta diameter ratio in patients with acute pulmonary embolism. Herz, 49(6), 464"“471. https://doi.org/10.1007/s00059-024-05251-4
- Pay, L., Tezen, O., Çetin, T., Eren, S., Öz, M., Coşkun, C., Yumurtaş, A. Ç., Karabacak, C., Yenitürk, B., Çınar, T., & Hayıroğlu, M. İ. (2024). The Association between Exercise-Induced Ventricular Premature Contractions and Long-Term Mortality in Patients without Obstructive Coronary Artery Disease. Acta Cardiologica Sinica, 40(3), 267"“274. https://doi.org/10.6515/ACS.202405_40(3).20231227A
- Sungur, M. A., Zeren, G., Yılmaz, M. F., Avcı, İ. İ., Can, F., Çetin, T., Sungur, A., Tezen, O., Yücel, E., Karagöz, A., Okay, T., & Karabay, C. Y. (2024). Endoscopic Thoracic Sympathectomy in the Treatment of Vasospastic Angina Resistant to Medical Therapy. Anatolian Journal of Cardiology, 28(1), 29"“34. https://doi.org/10.14744/AnatolJCardiol.2023.3484
- Pay, L., Yumurtaş, A. Ç., Tezen, O., Çetin, T., Eren, S., Çınar, T., & Hayıroğlu, M. İ. (2024). Prognostic value of serum albumin in heart failure patients with cardiac resynchronization therapy. Biomarkers in Medicine, 18(8), 363"“371. https://doi.org/10.1080/17520363.2024.2347200
- Pay, L., Çetin, T., Keskin, K., Dereli, ş., Tezen, O., Yumurtaş, A. Ç., Kolak, Z., Eren, S., Şaylık, F., Çınar, T., & Hayıroğlu, M. I. (2024). Evaluation of Naples prognostic score to predict long-term mortality in patients with pulmonary embolism. Biomarkers in Medicine, 18(6), 253"“263. https://doi.org/10.2217/bmm-2023-0741
- Saygi, M., Tanalp, A. C., Tezen, O., Pay, L., Dogan, R., Uzman, O., Karabay, C. Y., Tanboga, I. H., Kacar, F. O., & Karagoz, A. (2024). The prognostic importance of the Naples prognostic score for inhospital mortality in patients with ST-segment elevation myocardial infarction. Coronary Artery Disease, 35(1), 31"“37. https://doi.org/10.1097/MCA.0000000000001285
- Pay, L., Yumurtaş, A. Ç., Tezen, O., Çetin, T., Keskin, K., Eren, S., Çinier, G., Hayıroğlu, M. İ., Çınar, T., & Tekkeşin, A. İ. (2023). Effect of ivabradine on ventricular arrhythmias in heart failure patients with reduced ejection fraction. Revista da Associacao Medica Brasileira (1992), 69(12), e20230703. https://doi.org/10.1590/1806-9282.20230703
- Sungur, A., Sungur, M. A., Simsek, B., Tezen, O., Yumurtas, A. C., Inan, D., Genc, D., Can, F., & Karabay, C. Y. (2023). Body fat percentage and infarct size in patients with non-ST segment elevation myocardial infarction. Northern Clinics of Istanbul, 10(5), 567"“574. https://doi.org/10.14744/nci.2023.87259
- Birdal, O., Saygı, M., Doğan, R., Tezen, O., Karagöz, A., & Tanboğa, İ. H. (2023). Risk of Venous Thromboembolism with Statins: Evidence Gathered via a Network Meta-analysis. Balkan Medical Journal, 40(5), 324"“332. https://doi.org/10.4274/balkanmedj.galenos.2023.2023-5-26
- Yılmaz, ş., Zeren, G., Avcı, İ. İ., Sungur, M. A., Can, F., Yılmaz, M. F., Şimşek, B., Tezen, O., & Karabay, C. Y. (2023). The Effect of Anesthesia Type Applied in Transcatheter Aortic Valve Implantation. Turk Kardiyoloji Dernegi Arsivi, 51(6), 394"“398. https://doi.org/10.5543/tkda.2023.38920
- Pay, L., Yumurtaş, A. Ç., Tezen, O., Çetin, T., Eren, S., Çinier, G., Hayıroğlu, M. İ., & Tekkeşin, A. İ. (2023). Efficiency of MVP ECG Risk Score for Prediction of Long-Term Atrial Fibrillation in Patients With ICD for Heart Failure With Reduced Ejection Fraction. Korean Circulation Journal, 53(9), 621"“631. https://doi.org/10.4070/kcj.2022.0353
- Pay, L., Yumurtaş, A. Ç., Satti, D. I., Hui, J. M. H., Chan, J. S. K., Mahalwar, G., Lee, Y. H. A., Tezen O., Birdal, O., Inan, D., Özkan, E., Tse, G., & Çinier, G. (2023). Arrhythmias Beyond Atrial Fibrillation Detection Using Smartwatches: A Systematic Review. Anatolian Journal of Cardiology, 27(3), 126"“131. https://doi.org/10.14744/AnatolJCardiol.2023.2799
- Saygi, M., Uzman, O., Birdal, O., Karagoz, A., Yumurtas, A. C., Tezen, O., Tanboga, I. H., & Karabay, C. Y. (2023). The Relation of Body Mass Index with In-Hospital Mortality in Patients with ST-Segment Elevation Myocardial Infarction. Metabolic Syndrome and Related Disorders, 21(2), 94"“100. https://doi.org/10.1089/met.2022.0070
- Yilmaz, A., Hayıroğlu, M. İ., Salturk, S., Pay, L., Demircali, A. A., Coşkun, C., Varol, R., Tezen, O., Eren, S., Çetin, T., Tekkeşin, A. İ., & Uvet, H. (2023). Machine Learning Approach on High Risk Treadmill Exercise Test to Predict Obstructive Coronary Artery Disease by using P, QRS, and T waves' Features. Current Problems in Cardiology, 48(2), 101482. https://doi.org/10.1016/j.cpcardiol.2022.101482
- Çinier, G., Hayıroğlu, M. İ., Çınar, T., Pay, L., Yumurtaş, A. Ç., Tezen, O., Eren, S., Kolak, Z., Çetin, T., Özcan, S., Türkkan, C., Özbilgin, N., Tekkeşin, A. İ., Alper, A. T., & Gürkan, K. (2022). Predictors for early mortality in patients with implantable cardiac defibrillator for heart failure with reduced ejection fraction. Indian Heart Journal, 74(2), 127"“130. https://doi.org/10.1016/j.ihj.2022.01.003
- Hayıroğlu, M. İ., Çınar, T., Çinier, G., Pay, L., Yumurtaş, A. Ç., Tezen, O., Eren, S., Kolak, Z., Çetin, T., Özcan, S., Türkkan, C., Özbilgin, N., Tekkeşin, A. İ., Alper, A. T., & Gürkan, K. (2022). Comparison of mortality prediction scores in elderly patients with ICD for heart failure with reduced ejection fraction. Aging Clinical and Experimental Research, 34(3), 653"“660. https://doi.org/10.1007/s40520-021-01960-6
- Hayıroğlu, M. İ., Çınar, T., Çinier, G., Pay, L., Yumurtaş, A. Ç., Tezen, O., Eren, S., Kolak, Z., Çetin, T., Çiçek, V., & Tekkeşin, A. İ. (2022). Evaluating systemic immune-inflammation index in patients with implantable cardioverter defibrillator for heart failure with reduced ejection fraction. Pacing and Clinical Electrophysiology: PACE, 45(2), 188"“195. https://doi.org/10.1111/pace.14436
- Çinier, G., Hayıroğlu, M. İ., Kolak, Z., Tezen, O., Yumurtaş, A. Ç., Pay, L., Eren, S., Çetin, T., Özcan, S., Türkkan, C., Özbilgin, N., Tekkeşin, A. İ., Alper, A. T., & Gürkan, K. (2021). The value of C-reactive protein-to-albumin ratio in predicting long-term mortality among HFrEF patients with implantable cardiac defibrillators. European Journal of Clinical Investigation, 51(8), e13550. https://doi.org/10.1111/eci.13550
- Çinier, G., Hayıroğlu, M. İ., Pay, L., Yumurtaş, A. Ç., Tezen, O., Eren, S., Kolak, Z., Çetin, T., Özcan, S., Türkkan, C., Özbilgin, N., Tekkeşin, A. İ., Alper, A. T., & Gürkan, K. (2021). Prognostic nutritional index as the predictor of long-term mortality among HFrEF patients with ICD. Pacing and Clinical Electrophysiology: PACE, 44(3), 490"“496. https://doi.org/10.1111/pace.14170
- Çinier, G., Hayıroğlu, M., Pay, L., Yumurtaş, A., Tezen, O., Parsova, K. E., & Tekkesin, I. (2020). Effect of the COVID-19 pandemic on access to primary percutaneous coronary intervention for ST-segment elevation myocardial infarction. Turk Kardiyoloji Dernegi Arsivi, 48(7), 640"“645. https://doi.org/10.5543/tkda.2020.95845
International Books or Book Chapters:
- Tezen, Ozan. "Percutanous Edge-To-Edge Mitral Valve Repair Using The Mitraclip and Pascal Systems." Invasive Interventions in Structural Hearth Diseases: Comprehensive Techniques, Türkiye Klinikleri, Ankara, Türkiye, 2025, pp. 115"“126.
- Tezen, O. "Ranolazine." Kardiyak Farmakoloji (Cardiac Pharmacology), Legal Yayaıncılık, Istanbul, Turkey, 2023, pp. 117"“118.
- Tezen, O. "Trimetazidine." Kardiyak Farmakoloji (Cardiac Pharmacology), Legal Yayaıncılık, Istanbul, Turkey, 2023, pp. 118"“119.
- Tezen, O. "Miyoperikardit Tanı ve Tedavisi (Myopericarditis Diagnosis and Treatment)." 50 Olguda Kardiyoloji (Cardiology in 50 Cases), Istanbul Tıp Kitapevi, Istanbul, Turkey, 2023, pp. 328"“332.
- Turkish Society of Cardiology