Profile

Education & Qualifications

• Sep 1972 – Jun 1978: Degree in Medicine (MD), National and Kapodistrian University of Athens, School of Health Sciences.
• May 1988: Board Certification in Cardiology (Decision No. 1699/7-7-88 of the Central Health Council - KESY & Prefecture of Piraeus, Ref. No.: 213477/7-7-1988).

Clinical Training & Residency

• Mar 1983 – Mar 1984: Residency in Internal Medicine, Department of Internal Medicine, Athens State Hospital for Mental Diseases (Κ.Θ.Ψ.Π.Α.).
• Apr 1985 – Apr 1988: Residency in Cardiology, 2nd Department of Cardiology, "Korgialeneio-Benakeio" Hellenic Red Cross General Hospital of Athens.

Postgraduate Training & Specialization

• Sep 1990 – Sep 1991: Fellowship in Interventional Electrophysiology, Academisch Ziekenhuis Maastricht (Maastricht University Medical Center+), Maastricht, Netherlands.
• Sep 1997 – Dec 1997: Advanced Training in Cardiac Pacing and Implantable Cardioverter Defibrillators (ICDs), Academisch Ziekenhuis Maastricht, Maastricht, Netherlands.

Professional Appointments & Leadership

• Jan 2017 – Jul 2021: Director of Medical Services, "Korgialeneio-Benakeio" Hellenic Red Cross General Hospital of Athens.
• Feb 2006 – Feb 2008: President of the Working Group on Electrophysiology and Pacing, Hellenic Cardiological Society.
• Feb 2004 – Feb 2006: Vice-President of the Working Group on Electrophysiology and Pacing, Hellenic Cardiological Society.

“Modification of electrophysiological properties during ablation of atrioventricular nodal reentrant circuit” 

Medical School, 2nd Department of Cardiology, Aristotle University of Thessaloniki, Thessaloniki, Greece. 

List in reverse chronological order

• Jan 2026 – Present: Scientific Lead, Heart Rhythm Center & 3rd Cardiology Department, IASO General Hospital.
• Jul 2021 – Jan 2026: Director, Athens Heart Center, Athens Medical Center (Palaio Faliro Clinic).
• Apr 2008 – Jul 2021: Head of Cardiology Department, 1st Department of Cardiology, "Korgialeneio-Benakeio" Hellenic Red Cross General Hospital of Athens.
• May 2005 – Apr 2008: Associate Director, 2nd Department of Cardiology, "Korgialeneio-Benakeio" Hellenic Red Cross General Hospital of Athens.
• Apr 1996 – May 2005: Senior Consultant, 2nd Department of Cardiology, "Korgialeneio-Benakeio" Hellenic Red Cross General Hospital of Athens.
• May 1989 – Apr 1996: Consultant, 2nd Department of Cardiology, "Korgialeneio-Benakeio" Hellenic Red Cross General Hospital of Athens.
• Mar 1981 – Apr 1982: General Practitioner, Kalamata General Hospital (Compulsory Civil Service).
• Jan 1979 – Feb 1981: Military Service, Hellenic Air Force (Staff Physician)

• Expertise: Highly specialized in the diagnosis and treatment of cardiac arrhythmias and the management of implantable cardiac devices, including pacemakers, ICDs, and CRT systems.
• Education & Clinical Background: Graduate of the University of Athens Medical School with a PhD (Honors). He completed his residency at the "Korgialeneio-Benakeio" Hellenic Red Cross Hospital, where he was appointed Consultant in 1989. Following a distinguished career through all clinical ranks, he was elected Coordinating Director of the 1st Department of Cardiology in 2008.
• Advanced Specialization: Sub-specialized at Maastricht University Medical Center (AZM), Netherlands, in Interventional Electrophysiology (1990-1991) and Cardiac Implantable Electronic Devices (1997).
• Clinical Impact: Possesses extensive clinical experience, having performed over 12,000 electrophysiological procedures, including arrhythmia mappings, complex ablations, and device implantations/monitoring.
• Leadership & Recognition: Current President of the Hellenic Rhythm Society. He has served on the National Examination Board for the Cardiology Specialty (2010-2012).
• Scientific Contribution: Extensive research profile as a Principal Investigator in international multicenter trials, with numerous publications in high-impact medical journals and frequent invitations as a speaker at global congresses.
• International Training & Consultancy: Acts as a scientific consultant for advanced arrhythmia ablation systems. As an expert clinical proctor (trainer), he has led complex ablation procedures internationally, including in Turkey, Jordan, Iran, and Saudi Arabia.

• Honorary Award in Electrophysiology & Pacing (Apr 2022): Awarded by the Hellenic Cardiological Society (Working Group on Electrophysiology & Pacing) during the Panhellenic Working Groups Seminars, in recognition of long-standing contribution and excellence in the field.
• Honorary Award for Distinguished Service to the National Health System (May 2022): Awarded by the "Korgialeneio-Benakeio" Hellenic Red Cross Hospital for lifelong dedication (1985-2021) and exemplary leadership as Medical Director during the COVID-19 pandemic response.

List in reverse chronological order

1. Gerontitis D, Katsaras D, Katsivas A, Ioannidis P. Feasibility of atrial fibrillation ablation via right internal jugular access using a lattice-tip pulsed field ablation system in the presence of inferior vena cava aplasia: first clinical experience. Eur Heart J Case Rep. 2026 Jul 17;10(7):ytag541. doi: 10.1093/ehjcr/ytag541. PMID: 42516942; PMCID: PMC13402575.  
2. Gerontitis D, Katsaras D, Tsonona V, Christoforatou E, Katsivas A, Ioannidis P. Successful Isolation of Arrhythmogenic Superior Vena Cava via Balloon-in-Basket Pulsed Field Ablation: Overcoming Phrenic Nerve Proximity. HeartRhythm Case Reports, 2026; in press. doi: 10.1016/j.hrcr.2026.06.007.
3. Ioannidis P, Gerontitis D, Katsaras D, Tsonona V, Charalambopoulos P, Samara D, Vassilopoulos A, Kouvelas K, Christoforatou E, Katsivas A. Hybrid Pentaspline Pulsed-Field and Radiofrequency Ablation for Left Atrial Mitral Isthmus Block: Acute and Long-term Outcomes. Heart Rhythm O2. 2026; in press. doi: 10.1016/j.hroo.2026.04.028.
4. Tsiafoutis I, Zografos T, Karelas D, Varelas P, Manousopoulos K, Nenekidis I, Koutouzis M, Lagadinos P, Koudounis P, Agelaki M, Katsanou K, Oikonomou E, Siasos G, Katsivas A . Ticagrelor potentiates cardioprotection by remote ischemic preconditioning: the ticagrelor in remote ischemic preconditioning (TRIP) randomized clinical trial. Hellenic J Cardiol. 2024 Jun 29:S1109-9666(24)00133-7. doi: 10.1016/j.hjc.2024.06.009. Epub ahead of print. PMID: 38950885.
5. Solomon SD, McMurray JJV, Vaduganathan M, Claggett B, Jhund PS, Desai AS, Henderson AD, Lam CSP, Pitt B, Senni M, Shah SJ, Voors AA, Zannad F, Abidin IZ, Alcocer-Gamba MA, Atherton JJ, Bauersachs J, Chang-Sheng M, Chiang CE, Chioncel O, Chopra V, Comin-Colet J, Filippatos G, Fonseca C, Gajos G, Goland S, Goncalvesova E, Kang S, Katova T, Kosiborod MN, Latkovskis G, Lee AP, Linssen GCM, Llamas-Esperón G, Mareev V, Martinez FA, Melenovský V, Merkely B, Nodari S, Petrie MC, Saldarriaga CI, Saraiva JFK, Sato N, Schou M, Sharma K, Troughton R, Udell JA, Ukkonen H, Vardeny O, Verma S, von Lewinski D, Voronkov L, Yilmaz MB, Zieroth S, Lay-Flurrie J, van Gameren I, Amarante F, Kolkhof P, Viswanathan P; FINEARTS-HF Committees and Investigators. Finerenone in Heart Failure with Mildly Reduced or Preserved Ejection Fraction. N Engl J Med. 2024 Oct 24;391(16):1475-1485. doi: 10.1056/NEJMoa2407107. Epub 2024 Sep 1. PMID: 39225278. Katsivas A . (FINEARTS-HF Investigators)
6. Romiti GF, Corica B, Proietti M, Mei DA, Frydenlund J, Bisson A, Boriani G, Olshansky B, Chan YH, Huisman MV, Chao TF, Lip GYH; GLORIA-AF Investigators. Patterns of oral anticoagulant use and outcomes in Asian patients with atrial fibrillation: a post-hoc analysis from the GLORIA-AF Registry. EClinicalMedicine. 2023 Aug 25;63:102039. doi: 10.1016/j.eclinm.2023.102039. PMID: 37753446; PMCID: PMC10518516. Katsivas A . (GLORIA-AF Investigators)
7. Ding WY, Fawzy AM, Romiti GF, Proietti M, Pastori D, Huisman MV, Lip GYH; GLORIA-AF Investigators. Validating the predictive ability of the 2MACE score for major adverse cardiovascular events in patients with atrial fibrillation: results from phase II/III of the GLORIA-AF registry. J Thromb Thrombolysis. 2024 Jan;57(1):39-49. doi: 10.1007/s11239-023-02866-y. Epub 2023 Aug 11. Erratum in: J Thromb Thrombolysis. 2024 Jan;57(1):178. doi: 10.1007/s11239-023-02904-9. PMID: 37566295; PMCID: PMC10830583. Katsivas A . (GLORIA-AF Investigators)
8. Vassilikos VP, Giannopoulos G, Fragakis N, Billis A, Efremidis M, Letsas K, Maounis T, Kostopoulou A, Andrikopoulos G, Pastromas S, Katsivas A , Kossyvakis C, Kallergis E, Kanoupakis E, Ioannidis P, Tzeis S, Avramidis D, Papagiannis I, Deftereos S, Symeonidou E, Tsiachris D, Theodorakis G, Rassias I, Lysitsas D, Chatzinikolaou E, Mezilis N, Paraskevaidis S, Kourouklis S, Apostolopoulos T, Katritsis D, Chatzidou S, Mantziari L, Leventopoulos G, Chiladakis I, Kourgiannidis G, Stavropoulos G, Xydonas S, Ginos C, Kotsakis A, Baltogiannis G, Manolis AS, Sideris S, Gatzoulis K. Effect of the COVID-19 pandemic on cardiac electrophysiological ablation procedures in Greece - Data from the Hellenic Society of Cardiology Ablation Registry. Hellenic J Cardiol. 2022 Sep-Oct;67:76-78. doi: 10.1016/j.hjc.2022.07.002. Epub 2022 Jul 8. PMID: 35811060; PMCID: PMC9263686.
9. Lip GYH, Kotalczyk A, Teutsch C, Diener HC, Dubner SJ, Halperin JL, Ma CS, Rothman KJ, Marler S, Gurusamy VK, Huisman MV; GLORIA-AF Investigators. Correction to: Comparative effectiveness and safety of non-vitamin K antagonists for atrial fibrillation in clinical practice: GLORIA-AF Registry. Clin Res Cardiol. 2022 May;111(5):593. doi: 10.1007/s00392-022-02021-2. Erratum for: Clin Res Cardiol. 2022 May;111(5):560-573. doi: 10.1007/s00392-022-01996-2. PMID: 35384487; PMCID: PMC9054882. Katsivas A . (GLORIA-AF Investigators)
10. ip GYH, Kotalczyk A, Teutsch C, Diener HC, Dubner SJ, Halperin JL, Ma CS, Rothman KJ, Marler S, Gurusamy VK, Huisman MV; GLORIA-AF Investigators. Comparative effectiveness and safety of non-vitamin K antagonists for atrial fibrillation in clinical practice: GLORIA-AF Registry. Clin Res Cardiol. 2022 May;111(5):560-573. doi: 10.1007/s00392-022-01996-2. Epub 2022 Mar 16. Erratum in: Clin Res Cardiol. 2022 May;111(5):593. doi: 10.1007/s00392-022-02021-2. PMID: 35294625; PMCID: PMC9054878. Katsivas A . (GLORIA-AF Investigators)
11. Tsiafoutis I, Katsanou K, Koutouzis M, Katsivas A . Shockwave Intravascular Lithotripsy of Undilatable STEMI Lesion in Primary PCI. J Invasive Cardiol. 2021 Jan;33(1):E67-E68. doi: 10.25270/jic/20.00092. PMID: 33385990.
12. Ntaios G, Huisman MV, Diener HC, Halperin JL, Teutsch C, Marler S, Gurusamy VK, Thompson M, Lip GYH, Olshansky B; GLORIA-AF Investigators. Anticoagulant selection in relation to the SAMe-TT2R2 score in patients with atrial fibrillation: The GLORIA-AF registry. Hellenic J Cardiol. 2021 Mar-Apr;62(2):152-157. doi: 10.1016/j.hjc.2020.11.009. Epub 2020 Dec 15. PMID: 33338644. Katsivas A . (GLORIA-AF Investigators)
13. Vassilikos VP, Billis A, Efremidis M, Theodorakis G, Andrikopoulos G, Defteraios S, Katsivas A , Mouselimis D, Tsarouchas A, Baniotopoulos P, Kossyvakis C, Kanoupakis E, Ioannidis P, Fragakis N, Chatzinikolaou E, Maounis T, Paraskevaidis S, Gatzoulis K, Katritsis D, Lysitsas D, Apostolopoulos T, Manolis AS, Avramidis D, Chatzidou S, Livanis E, Papagiannis I, Leftheriotis D, Tsiachris D, Tzeis S, Rassias I, Rokas S, Levendopoulos G, Kourgiannidis G, Kalpakos D, Stavropoulos G, Chiladakis I, Gaitanidou S, Ginos C, Kotsakis A, Kappos K, Kolettis T, Simantirakis E, Sideris A, Sideris S. Trends in ablation procedures in Greece over the 2008-2018 period: Results from the Hellenic Cardiology Society Ablation Registry. Hellenic J Cardiol. 2021 Jan-Feb;62(1):48-54. doi: 10.1016/j.hjc.2020.09.005. Epub 2020 Sep 19. PMID: 32956809.
14. Oikonomou E, Aznaouridis K, Barbetseas J, Charalambous G, Gastouniotis I, Fotopoulos V, Gkini KP, Katsivas A , Koudounis G, Koudounis P, Koutouzis M, Lamprinos D, Lazaris E, Lazaris E, Lazaros G, Marinos G, Platogiannis N, Platogiannis D, Siasos G, Terentes-Printzios D, Theodoropoulou A, Theofilis P, Toutouzas K, Tsalamandris S, Tsiafoutis I, Vavouranakis M, Vogiatzi G, Zografos T, Baka E, Tousoulis D, Vlachopoulos C. Hospital attendance and admission trends for cardiac diseases during the COVID-19 outbreak and lockdown in Greece. Public Health. 2020 Oct;187:115-119. doi: 10.1016/j.puhe.2020.08.007. Epub 2020 Aug 18. PMID: 32949881; PMCID: PMC7434308.
15. Tsiafoutis I, Zografos T, Koutouzis M, Katsivas A . Distal Radial Access for Percutaneous Endovascular Repair of a Radial Artery Pseudoaneurysm. J Invasive Cardiol. 2020 Jul;32(7):E198. doi: 10.25270/jic/19.00438. PMID: 32610278.
16. Tsiafoutis I, Liontou C, Antonakopoulos A, Katsanou K, Koutouzis M, Katsivas A . Triple-Access Retrograde Chronic Total Occlusion Intervention Through Vein Graft and Epicardial Collaterals. J Invasive Cardiol. 2020 Jun;32(6):E172-E173. doi: 10.25270/jic/19.00394. PMID: 32479421.
17. Gatzoulis KA, Dilaveris P, Arsenos P, Tsiachris D, Antoniou CK, Sideris S, Kolettis T, Kanoupakis E, Sideris A, Flevari P, Vassilikos V, Kappos K, Maounis T, Katsivas A , Kotsakis A, Karvounis H, Kossyvakis C, Leventopoulos G, Kalpakos D, Tousoulis D; ReCONSIDER study Investigators. Arrhythmic risk stratification in nonischemic dilated cardiomyopathy: The ReCONSIDER study design - A two-step, multifactorial, electrophysiology-inclusive approach. Hellenic J Cardiol. 2021 Mar-Apr;62(2):169-172. doi: 10.1016/j.hjc.2020.03.008. Epub 2020 Apr 21. PMID: 32330568.
18. Letsas KP, Bazoukis G, Efremidis M, Georgopoulos S, Korantzopoulos P, Fragakis N, Asvestas D, Vlachos K, Saplaouras A, Sakellaropoulou A, Mililis P, Strempelas P, Giannopoulos G, Gavrielatos G, Tzeis S, Kardamis C, Katsivas A , Deftereos S, Stavrakis S, Sideris A. Clinical characteristics and long-term clinical course of patients with Brugada syndrome without previous cardiac arrest: a multiparametric risk stratification approach. Europace. 2019 Dec 1;21(12):1911-1918. doi: 10.1093/europace/euz288. PMID: 31638693.
19. Tsiafoutis I, Zografos T, Koutouzis M, Katsivas A . Percutaneous Endovascular Repair of a Radial Artery Pseudoaneurysm Using a Covered Stent. JACC Cardiovasc Interv. 2018 Jun 11;11(11):e91-e92. doi: 10.1016/j.jcin.2018.03.047. Epub 2018 May 16. PMID: 29778731.
20. Tsiafoutis I, Zografos T, Koutouzis M, Katsivas A . Percutaneous Endovascular Repair of a Radial Artery Pseudoaneurysm Using a Covered Stent. JACC Cardiovasc Interv. 2018 Jun 11;11(11):e91-e92. doi: 10.1016/j.jcin.2018.03.047. Epub 2018 May 16. PMID: 29778731.
21. Tsiafoutis I, Zografos T, Antonakopoulos A, Koutouzis M, Tsigkas G, Bourboulis N, Katsivas A . The Reverse T-Stenting and Small Protrusion Technique: A Novel Technique for Coronary Bifurcation Lesions. J Invasive Cardiol. 2017 Dec;29(12):E195-E196. PMID: 29207368.
22. Vryonidou A, Paschou SA, Dimitropoulou F, Anagnostis P, Tzavara V, Katsivas A . Cardiac tamponade in a patient with autoimmune polyglandular syndrome type 2. Endocrinol Diabetes Metab Case Rep. 2017 Oct 13;2017:17-0097. doi: 10.1530/EDM-17-0097. PMID: 29062486; PMCID: PMC5640567.
23. Huisman MV, Rothman KJ, Paquette M, Teutsch C, Diener HC, Dubner SJ, Halperin JL, Ma CS, Zint K, Elsaesser A, Bartels DB, Lip GY; GLORIA-AF Investigators. The Changing Landscape for Stroke Prevention in AF: Findings From the GLORIA-AF Registry Phase 2. J Am Coll Cardiol. 2017 Feb 21;69(7):777-785. doi: 10.1016/j.jacc.2016.11.061. PMID: 28209218. Katsivas A . (GLORIA-AF Investigators)
24. Giannopoulos G, Kossyvakis C, Panagopoulou V, Tsiachris D, Doudoumis K, Mavri M, Vrachatis D, Letsas K, Efremidis M, Katsivas A , Lekakis J, Deftereos S. Permanent pacemaker implantation in octogenarians with unexplained syncope and positive electrophysiologic testing. Heart Rhythm. 2017 May;14(5):694-699. doi: 10.1016/j.hrthm.2017.01.012. Epub 2017 Jan 12. PMID: 28089877.
25. Zarifis J, Kallistratos M, Katsivas A ; investigators of the Prospective, Non-interventional, Observational Study of the Antianginal Efficacy of Ivabradine During a 4-Month Treatment of a Greek Population With Coronary Artery Disease. Antianginal Efficacy of Ivabradine/Metoprolol Combination in Patients With Stable Angina. Clin Cardiol. 2016 Dec;39(12):697-702. doi: 10.1002/clc.22585. Epub 2016 Nov 23. PMID: 27880009; PMCID: PMC6490866.
26. Zarifis J, Grammatikou V, Kallistratos M, Katsivas A . Antianginal Efficacy of Ivabradine in Patients With History of Coronary Revascularization. Angiology. 2017 Jan;68(1):10-18. doi: 10.1177/0003319716630499. Epub 2016 Mar 8. PMID: 26960667; PMCID: PMC5152794.
27. Zarifis J, Grammatikou V, Kallistratos M, Katsivas A ; Investigators of the Prospective, Noninterventional, Observational Study of the Antianginal Efficacy of Ivabradine During a 4-Month Treatment of a Greek Population With Coronary Artery Disease. Treatment of Stable Angina Pectoris With Ivabradine in Everyday Practice: A Pan-Hellenic, Prospective, Noninterventional Study. Clin Cardiol. 2015 Dec;38(12):725-32. doi: 10.1002/clc.22479. Epub 2015 Nov 19. PMID: 26782939; PMCID: PMC4738471.
28. Fox K, Ford I, Steg PG, Tardif JC, Tendera M, Ferrari R; SIGNIFY Investigators. Ivabradine in stable coronary artery disease without clinical heart failure. N Engl J Med. 2014 Sep 18;371(12):1091-9. doi: 10.1056/NEJMoa1406430. Epub 2014 Aug 31. PMID: 25176136. Katsivas A . (SIGNIFY Investigators)
29. Giannopoulos G, Kossyvakis C, Efremidis M, Katsivas A , Panagopoulou V, Doudoumis K, Raisakis K, Letsas K, Rentoukas I, Pyrgakis V, Manolis AS, Tousoulis D, Stefanadis C, Deftereos S. Central sympathetic inhibition to reduce postablation atrial fibrillation recurrences in hypertensive patients: a randomized, controlled study. Circulation. 2014 Oct 14;130(16):1346-52. doi: 10.1161/CIRCULATIONAHA.114.010999. Epub 2014 Aug 21. PMID: 25147079.
30. Zografos T, Maniotis C, Katsivas A , Katritsis D. Relationship between brain natriuretic peptides and recurrence of atrial fibrillation after successful direct current cardioversion: a meta-analysis. Pacing Clin Electrophysiol. 2014 Nov;37(11):1530-7. doi: 10.1111/pace.12477. Epub 2014 Aug 12. PMID: 25113607.
31. Tan TC, Koutsogeorgis ID, Grapsa J, Papadopoulos C, Katsivas A , Nihoyannopoulos P. Left atrium and the imaging of atrial fibrosis: catch it if you can! Eur J Clin Invest. 2014 Sep;44(9):872-81. doi: 10.1111/eci.12305. PMID: 25066356.
32. Andrikopoulos G, Pastromas S, Mantas I, Sakellariou D, Kyrpizidis C, Makridis P, Goumas G, Stakos D, Gotsis A, Kartalis A, Kazianis G, Babalis D, Toli K, Tzeis S, Papavasileiou M, Kalogeropoulos P, Vardas P; MANAGE-AF Investigators. Management of atrial fibrillation in Greece: the MANAGE-AF study. Hellenic J Cardiol. 2014 Jul-Aug;55(4):281-7. PMID: 25039023. Katsivas A . (MANAGE-AF Investigators)
33. Katritsis GD, Zografos TA, Katsivas AG . Remote ischemic preconditioning for reduction of peri-procedural myocardial injury during percutaneous coronary intervention. Hellenic J Cardiol. 2014 May-Jun;55(3):245-55. PMID: 24862617.
34. Zografos TA, Katritsis GD, Tsiafoutis I, Bourboulis N, Katsivas A , Katritsis DG. Effect of one-cycle remote ischemic preconditioning to reduce myocardial injury during percutaneous coronary intervention. Am J Cardiol. 2014 Jun 15;113(12):2013-7. doi: 10.1016/j.amjcard.2014.03.043. Epub 2014 Apr 1. PMID: 24793669.
35. Zografos TA, Kourouklis SP, Katsivas A . Type 1 Brugada pattern exacerbation and 1:1 atrioventricular conduction induced by vernakalant. Heart Rhythm. 2014 May;11(5):895-7. doi: 10.1016/j.hrthm.2014.02.001. Epub 2014 Feb 4. PMID: 24508208.
36. Deftereos S, Giannopoulos G, Efremidis M, Kossyvakis C, Katsivas A , Panagopoulou V, Papadimitriou C, Karageorgiou S, Doudoumis K, Raisakis K, Kaoukis A, Alexopoulos D, Manolis AS, Stefanadis C, Cleman MW. Colchicine for prevention of atrial fibrillation recurrence after pulmonary vein isolation: mid-term efficacy and effect on quality of life. Heart Rhythm. 2014 Apr;11(4):620-8. doi: 10.1016/j.hrthm.2014.02.002. Epub 2014 Feb 4. PMID: 24508207.
37. Arbelo E, Brugada J, Hindricks G, Maggioni AP, Tavazzi L, Vardas P, Laroche C, Anselme F, Inama G, Jais P, Kalarus Z, Kautzner J, Lewalter T, Mairesse GH, Perez-Villacastin J, Riahi S, Taborsky M, Theodorakis G, Trines SA; Atrial Fibrillation Ablation Pilot Study Investigators. The atrial fibrillation ablation pilot study: a European Survey on Methodology and results of catheter ablation for atrial fibrillation conducted by the European Heart Rhythm Association. Eur Heart J. 2014 Jun 7;35(22):1466-78. doi: 10.1093/eurheartj/ehu001. Epub 2014 Jan 31. PMID: 24487524. Katsivas A (Atrial Fibrillation Ablation Pilot Study Investigators)
38. Deftereos S, Giannopoulos G, Kossyvakis C, Efremidis M, Panagopoulou V, Raisakis K, Kaoukis A, Karageorgiou S, Bouras G, Katsivas A , Pyrgakis V, Stefanadis C. Effectiveness of moxonidine to reduce atrial fibrillation burden in hypertensive patients. Am J Cardiol. 2013 Sep 1;112(5):684-7. doi: 10.1016/j.amjcard.2013.04.049. Epub 2013 May 29. PMID: 23726175.
39. Andrikopoulos G, Kourouklis S, Trika C, Tzeis S, Rassias I, Papademetriou C, Katsivas A , Theodorakis G. Cardiac resynchronization therapy in becker muscular dystrophy. Hellenic J Cardiol. 2013 May-Jun;54(3):227-9. PMID: 23685662.
40. Cohen AT, Spiro TE, Büller HR, Haskell L, Hu D, Hull R, Mebazaa A, Merli G, Schellong S, Spyropoulos AC, Tapson V; MAGELLAN Investigators. Rivaroxaban for thromboprophylaxis in acutely ill medical patients. N Engl J Med. 2013 Feb 7;368(6):513-23. doi: 10.1056/NEJMoa1111096. PMID: 23388003. Katsivas A (MAGELLAN Investigators)
41. Kourouklis SP, Vagiakis E, Paraskevaidis IA, Farmakis D, Kostikas K, Parissis JT, Katsivas A , Kremastinos DT, Anastasiou-Nana M, Filippatos G. Effective sleep apnoea treatment improves cardiac function in patients with chronic heart failure. Int J Cardiol. 2013 Sep 20;168(1):157-62. doi: 10.1016/j.ijcard.2012.09.101. Epub 2012 Oct 2. PMID: 23041002.
42. Arbelo E, Brugada J, Hindricks G, Maggioni A, Tavazzi L, Vardas P, Anselme F, Inama G, Jais P, Kalarus Z, Kautzner J, Lewalter T, Mairesse G, Perez-Villacastin J, Riahi S, Taborsky M, Theodorakis G, Trines S; Atrial Fibrillation Ablation Pilot Study Investigators. ESC-EURObservational Research Programme: the Atrial Fibrillation Ablation Pilot Study, conducted by the European Heart Rhythm Association. Europace. 2012 Aug;14(8):1094-103. doi: 10.1093/europace/eus153. Epub 2012 May 24. PMID: 22628450. Katsivas A (Atrial Fibrillation Ablation Pilot Study Investigators)
43. Manolis AG, Giotopoulou A, Koutouzis M, Katsivas AG , Kyriakides ZS. Atrial fibrillation induced by carotid sinus massage. Int J Cardiol. 2007 Jan 18;114(3):e103-4. doi: 10.1016/j.ijcard.2006.07.080. Epub 2006 Nov 3. PMID: 17084469.
44. Katsivas A , Koutouzis M, Nikolidakis S, Lazaris E, Arealis G, Kyriakides ZS. Persistent left superior vena cava associated with common type AV nodal reentrant tachycardia and AV reentrant tachycardia due to concealed left lateral accessory pathway. Int J Cardiol. 2006 Nov 18;113(3):E124-5. doi: 10.1016/j.ijcard.2006.07.040. Epub 2006 Oct 12. PMID: 17045682.
45. Katsivas A , Ioannidis P, Vassilopoulos C, Giotopoulou A, Manolis AG. Electroanatomical mapping and ablation of upper loop reentry atrial flutter. Hellenic J Cardiol. 2005 Jan-Feb;46(1):74-8. PMID: 15807400.
46. Manolis AG, Katsivas AG , Vassilopoulos C, Koutsogeorgis D, Louvros NE. Prevention of atrial fibrillation by inter-atrial septum pacing guided by electrophysiological testing, in patients with delayed interatrial conduction. Europace. 2002 Apr;4(2):165-74. doi: 10.1053/eupc.2002.0232. PMID: 12135250.
47. Manolis AG, Katsivas AG , Vassilopoulos C, Tsatiris CG. Electrical storms in an ICD-recipient with 429 delivered appropriate shocks: therapeutic management with antiarrhythmic drug combination. J Interv Card Electrophysiol. 2002 Feb;6(1):91-4. doi: 10.1023/a:1014188526158. PMID: 11839890.
48. Manolis AG, Liagas K, Katsivas A , Vassilopoulos C, Koutsogeorgis D, Louvros N. Modulation of the sympathovagal balance in drug refractory dilated cardiomyopathy, treated with permanent atrioventricular sequential pacing. Jpn Heart J. 2000 Jan;41(1):33-40. doi: 10.1536/jhj.41.33. PMID: 10807527.
49. Manolis AG, Katsivas AG , Vassilopoulos CV, Louvros NE. Implantable cardioverter defibrillator-an unusual case of inappropriate discharge during showering. J Interv Card Electrophysiol. 2000 Apr;4(1):265-8. doi: 10.1023/a:1009834100540. PMID: 10729845.
50. Gatzoulis KA, Katsivas A , Apostolopoulos T, Avgeropoulou K, Gialafos J, Toutouzas P. Right posterior atrioventricular ring: a location for different types of atrioventricular accessory connections. J Interv Card Electrophysiol. 1999 Jul;3(2):187-91. doi: 10.1023/a:1009838018388. PMID: 10387136.
51. Manolis AG, Katsivas AG , Lazaris EE, Vassilopoulos CV, Louvros NE. Ventricular performance and quality of life in patients who underwent radiofrequency AV junction ablation and permanent pacemaker implantation due to medically refractory atrial tachyarrhythmias. J Interv Card Electrophysiol. 1998 Mar;2(1):71-6. doi: 10.1023/a:1009721008761. PMID: 9869999.
52. Katsivas A , Manolis AG, Lazaris E, Vassilopoulos C, Louvros N. Atrial septal pacing to synchronize atrial depolarization in patients with delayed interatrial conduction. Pacing Clin Electrophysiol. 1998 Nov;21(11 Pt 2):2220-5. doi: 10.1111/j.1540-8159.1998.tb01156.x. PMID: 9825322.
53. Manolis AG, Katsivas A , Lazaris E, Koutsogeogis D, Louvros N. Circadian modulation of ventricular tachycardia cycle length variability in ICD patients with dilated cardiomyopathy. Pacing Clin Electrophysiol. 1997 Jan;20(1 Pt 2):203-7. doi: 10.1111/j.1540-8159.1997.tb04843.x. PMID: 9121990.
54. Manolis AG, Katsivas A , Koutsogeorgis D, Theodorakis A, Apostolopoulos G, Nikolaou P, Louvros N. Congestive heart failure and VVI pacing mode: dynamic behavior of the dispersion of ventricular repolarization. Pacing Clin Electrophysiol. 1996 Nov;19(11 Pt 2):1890-3. doi: 10.1111/j.1540-8159.1996.tb03247.x. PMID: 8945063.
55. de Chillou C, Rodriguez LM, Schläpfer J, Kappos KG, Katsivas A , Baiyan X, Smeets JL, Wellens HJ. Clinical characteristics and electrophysiologic properties of atrioventricular accessory pathways: importance of the accessory pathway location. J Am Coll Cardiol. 1992 Sep;20(3):666-71. doi: 10.1016/0735-1097(92)90022-f. PMID: 1512347.

SCIENTIFIC SOCIETIES: 

Member 

• Hellenic Cardiological Society (HCS)
• Pacing and Electrophysiology Working Group of the HCS
• European Heart Rhythm Association
• European Society of Cardiology

Board

• Hellenic Rhythm Society (President, 2014-present)

• Clinical electrophysiology 
• Ablation 
• Cardiac pacing

PARTICIPATION IN MULTICENTER TRIALS:

• GLORIA-AF (Global Registry on Long-Term Oral Anti-thrombotic Treatment In Patients With Atrial Fibrillation)
• FINEARTS-HF (Finerenone Trial to Investigate Efficacy and Safety Superior to Placebo in Patients With Heart Failure)
• ReCONSIDER (Arrhythmic Risk Stratification in Nonischemic Dilated Cardiomyopathy)
• SIGNIFY (Study Assessing the Morbidity-Mortality Benefits of the If Inhibitor Ivabradine in Patients with Coronary Artery Disease)
• MANAGE-AF (Current Clinical Practice in the Management of Atrial Fibrillation in Greece)
• MAGELLAN (Multicenter, Randomized, Parallel-Group Efficacy and Safety Study for the Prevention of Venous Thromboembolism in Hospitalized Medically Ill Patients Comparing Rivaroxaban with Enoxaparin)
• Atrial Fibrillation Ablation Pilot Study (ESC-EURObservational Research Programme: The Atrial Fibrillation Ablation Pilot Study)

www.katsivas.gr