‍Education

• 1992–1999 – Faculty of Medicine, University of Belgrade; GPA 9.23
• 2002–2006 – Residency in Internal Medicine, Military Medical Academy, Belgrade
• 2019 – Doctoral academic studies, Faculty of Medicine, University of Belgrade
  • Doctoral thesis title: "Prognostic significance of treatment burden as perceived by patients with atrial fibrillation treated with rhythm control versus rate control"
  • Mentor: Assoc. Prof. Tatjana Potpara, PhD
• 2021 – Subspecialization in Cardiology, Faculty of Medicine, University of Belgrade
  • Thesis: "Efficacy and safety of cryoballoon ablation and pulmonary vein isolation in patients with paroxysmal atrial fibrillation"
  • Mentor: Prof. Rade Babić, PhD

Work Experience

• Since 2008 – Dedinje Cardiovascular Institute, Belgrade, Clinic for Cardiology, Department of Electrophysiology and Cardiac Pacing
• Professionally engaged in the field of non-invasive and invasive electrophysiology, treatment of heart rhythm disorders, and cardiac pacing

Areas of expertise

• Evaluation and treatment of heart rhythm disorders
• Non-invasive cardiac diagnostics
• 24-hour Holter ECG monitoring
• Exercise stress testing
• Transthoracic echocardiography
• Invasive cardiac electrophysiological study
• Catheter ablation of supraventricular and ventricular arrhythmias
• Radiofrequency and cryoballoon ablation of atrial fibrillation
• Use of 3D cardiac mapping systems: CARTO, EnSite, and Rhythmia
• Implantation of anti-bradycardia pacemakers
• Implantation of cardiac resynchronization therapy devices (CRT-P and CRT-D)
• Implantation of implantable cardioverter-defibrillators (ICD)
• Implantation of Micra leadless pacemaker systems
• Implantation of long-term heart rhythm monitoring devices – loop recorders

Professional development

• 2008 – "New Diagnostic Method of Unexplained Syncope" course, Medtronic Academia, Belgrade
• 2009–2012 – Basic professional training in cardiac electrophysiology and pacing, Dedinje Cardiovascular Institute, Belgrade
• 2009. – "Implant Skills Builder: Experts in CRT – Principles in Practice", Tolochenaz, Switzerland
• 2010. – "ICD Essentials – Patient Selection, Device Operation, Programming and Troubleshooting", Tolochenaz, Switzerland
• 2013. – Atrial Fibrillation Catheter Ablation Program using the CARTO system, Royal Brompton Hospital, London, under the mentorship of Prof. Sabine Ernst, MD, PhD
• 2013. – "Comprehensive Atrial Fibrillation Mastery", European Surgical Institute, Hamburg
• 2013. – Four-week study visit at Asklepios Klinik St. Georg, Hamburg, under the mentorship of Prof. Feifan Ouyang, MD, PhD
• 2013. – Transseptal puncture course and practical simulator training, Belgrade
• 2013. – Advanced atrial fibrillation ablation course, Hamburg
• 2013. – Training for the use of the EnSite Velocity NavX system, Vienna
• 2013. – "Cryoballoon Training Program", Frankfurt
• 2015. – EHRA Proctorship Program, Policlinico Casilino, Rome
• 2017 – Advanced Arctic Front Training Program, Brussels
• 2018 – Micra Implanter Training, Bordeaux
• 2018 – Focal Cryo Training Program, Madrid
• 2019 – Six-month fellowship in interventional electrophysiology and catheter ablation, University Hospital Basel, mentored by Prof. Christian Sticherling, MD, PhD
• 2021 – POLARx in Clinical Practice, Split
• 2022 – Two-week study visit in ventricular tachycardia ablation, LUMC Leiden, mentored by Prof. Katja Zeppenfeld, MD, PhD
• 2023 – Micra Implanter Training, Medtronic WEC, Warsaw

Professional Roles and Engagements

• 2017–2019 – President of the Working Group for Electrophysiology of the Cardiology Society of Serbia
• President of the Organizing Committee for the First Conference of the Working Group for Electrophysiology of the Cardiology Society of Serbia with international participation – EP Serbia 2019
• Editor and lead author of the document "Strategy for the Development of Electrophysiology in Serbia 2018–2023"
• 2023–2025 – President of the Working Group for Arrhythmias of the Cardiology Society of Serbia
• Organizer of the international workshop “3D Mapping Systems in Catheter Ablation of Supraventricular Tachycardias,” 2023.

Memberships

• Cardiology Society of Serbia (CSS)
• European Society of Cardiology (ESC)
• European Heart Rhythm Association (EHRA)

Research Projects

• Principal Investigator for Serbia in the Cryo Global Registry – a global, multicenter registry of patients with atrial fibrillation treated with cryoballoon ablation
• Principal Investigator for the Dedinje Cardiovascular Institute in the international AFFIRMO project, implemented under the Horizon 2020 program

Foreign Languages

• English

Publications and References

• Kojić D, Radunović A, Bukumirić Z, Rajšić S, Sušić M, Marić M, et al. “Idiopathic Premature Ventricular Complexes Treatment: Comparison of Flecainide, Propafenone, and Sotalol.” Clinical Cardiology, 2023; 46(10): 1220–1226.
• Rajšić S, Breitkopf R, Kojić D, Bukumirić Z, Treml B. “Extracorporeal Life Support for Patients With Newly Diagnosed HIV and Acute Respiratory Distress Syndrome: A Systematic Review and Analysis of Individual Patient Data.” ASAIO Journal, 2023; 69(12): 513–519.
• Radunović A, Vidaković R, Timčić S, Odanović N, Stefanović M, Lipovac M, et al. “Multislice Computerized Tomography Coronary Angiography Can Be a Comparable Tool to Intravascular Ultrasound in Evaluating ‘True’ Coronary Artery Bifurcations.” Frontiers in Cardiovascular Medicine, 2023; 10:1292517.
• Tzeis S, Brusich S, Manola Š, Kojić D, Pernat A, Asvestas D, et al. “Ablation of Residual Potentials Along the Circumferential Line Reduces Acute Pulmonary Vein Reconnection.” Hellenic Journal of Cardiology, 2023; 72: 1–8.
• Jurčević R, Angelkov L, Tasić N, Tomović M, Kojić D, Otašević P, Bojić M. “Pulmonary Vein Isolation Outcome Degree Is a New Score for Efficacy of Atrial Fibrillation Catheter Ablation.” Journal of Clinical Medicine, 2021; 10(24):5827.
• Madaffari A, Krisai P, Spies F, Knecht S, Schaer B, Kojić D, et al. “Ablation of Typical Atrial Flutter Guided by the Paced PR Interval on the Surface Electrocardiogram: A Proof of Concept Study.” Europace, 2019; 21(11): 1750–1754.
• Kojić D, Mujović N. “Evaluation and Treatment of Patients with Syncope – Case Report and Review of ACC/AHA/HRS 2017 Recommendations.” Heart and Blood Vessels, 2018; 37(1): 28–31.
• Jurčević Mudrić R, Angelkov L, Tomović M, Kojić D, Milojević P. “Six-Month Success of Radiofrequency Ablation in Cardiac Arrhythmias Treatment: Experience of Our Centre.” Military Medical Review, 2019; 76(4): 398–403.

Chapters in Textbooks

• “Supraventricular Tachycardias”, in the textbook Cardiology – Clinical Guide, Cardiology Society of Serbia, Belgrade, 2020.

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