- Ioannidis P, Gerontitis D, Lapatsani M, Katsivas A, Katsaras D. Targeting the Vein of Marshall in the Modern Era: Do We Still Need Ethanol? Heart Rhythm. 2026 Oct 23:S1547-5271(26)02878-X. doi: 10.1016/j.hrthm.2026.09.058. Epub ahead of print. PMID: 42918522. e-Link
- Ioannidis P, Gerontitis D, Tsonona V, Charalambopoulos P, Samara D, Vassilopoulos A, Kouvelas K, Christoforatou E, Katsaras D. Combined Pulsed Field and Radiofrequency Ablation for Coexisting Atrial Tachycardia During or After Atrial Fibrillation Ablation. Interventional and Clinical Outcomes. J Cardiovasc Electrophysiol. 2026 Aug;37(8):1643-1655. doi: 10.1111/jce.70389. Epub 2026 Jun 1. PMID: 42226476. e-Link
- 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. e-Link
- 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. e-Link
- 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 Rep. 2026 Jun 12;12(8):878-882. doi: 10.1016/j.hrcr.2026.06.007. PMID: 42626343; PMCID: PMC13492416. e-Link
- Gerontitis D, Katsaras D, Tsonona V, Charalampopoulos P, Kouvelas K, Samara D, Christoforatou E, Ioannidis P. Mitral Isthmus Ablation – Radiofrequency, Pulsed Field Ablation or Both? Acute and Long-term Outcomes [abstract]. Europace. 2026;28(Suppl 1):euag105.182. doi:10.1093/europace/euag105.182. e-Link
- Ioannidis P, Katsaras D, Zografos T, Charalambopoulos P, Kouvelas K, Tsitsinakis G, Kappou T, Zagoraios A, Ganas P, Vassilopoulos A, Xylakis E, Christoforatou E. Box lesion isolation of the left atrial posterior wall with radiofrequency ablation restricted in predetermined lines for the treatment of persistent atrial fibrillation. The prognostic role of acute interventional outcome and trigger identification. J Innov Card Rhythm Manag. 2023 Nov 15;14(11):5642-5653. doi: 10.19102/icrm.2023.14115. PMID: 38058389; PMCID: PMC10697114. e-Link
- Gerontitis D, Pope MTB, Elmowafy M, Sadagopan S, Yue AM. High-density electroanatomic activation mapping to guide slow pathway modification in patients with persistent left superior vena cava. Heart Rhythm. 2023 Jul;20(7):1018-1025. doi: 10.1016/j.hrthm.2023.03.1537. Epub 2023 Apr 3. PMID: 37019166. e-Link
- 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 Jul 8:S1109-9666(22)00095-1. doi: 10.1016/j.hjc.2022.07.002. Epub ahead of print. PMID: 35811060; PMCID: PMC9263686. e-Link
- Ioannidis P, Zografos T, Christoforatou E, Kouvelas K, Tsoumeleas A, Vassilopoulos C. The Electrophysiology of Atrial Fibrillation: From Basic Mechanisms to Catheter Ablation. Cardiol Res Pract. 2021 Jun 5;2021:4109269. doi: 10.1155/2021/4109269. PMID: 34194824; PMCID: PMC8203364. e-Link
- Ioannidis P, Christoforatou E, Zografos T, Charalambopoulos P, Kouvelas K, Christoulas G, Syros P, Tsitsinakis G, Kappou T, Tsoumeleas A, Floros S, Tagoulis D, Ntarladimas I, Tagoulis I, Avzotis D, Manolis AS, Vassilopoulos C. Incidence, electrophysiological characteristics, and long-term follow-up of perimitral atrial flutter in patients with previously confirmed mitral isthmus block. J Arrhythm. 2021 May 12;37(3):584-596. doi: 10.1002/joa3.12545. PMID: 34141011; PMCID: PMC8207388. e-Link
- Ioannidis P, Christoforatou E, Zografos T, Kouvelas K, Tsoumeleas A, Floros S, Kappou T, Vassilopoulos C. Ventricular ectopy from the non-coronary cusp: Pathophysiological and anatomical considerations. Indian Pacing Electrophysiol J. 2021 Apr 19:S0972-6292(21)00059-0. doi: 10.1016/j.ipej.2021.04.005. Epub ahead of print. PMID: 33887363. e-Link
- Ioannidis P, Zografos T, Vassilopoulos C, Christoforatou E, Kouvelas K, Kappou T, Dadous G, Skeberis V, Fragakis N, Vassilikos V, Sakadamis G, Kanonidis I. The evolution of mapping and ablation techniques in the treatment of atrial tachycardias occurring after atrial fibrillation ablation. J Interv Card Electrophysiol. 2021 Apr;60(3):493-511. doi: 10.1007/s10840-020-00759-1. Epub 2020 May 13. PMID: 32405890. e-Link
- 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 A, 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. 2020 Sep 18:S1109-9666(20)30195-0. doi: 10.1016/j.hjc.2020.09.005. Epub 2020 Sep 19. PMID: 32956809. e-Link
- Ioannidis P, Christoforatou E, Zografos T, Charalambopoulos P, Kouvelas K, Kappou T, Tsoumeleas A, Floros S, Tagoulis D, Ntarladimas I, Kalantzi M, Tagoulis I, Eleftheriades E, Avzotis D, Manolis AS, Vassilopoulos C. Incidence, electrophysiological characteristics, and long-term follow-up of perimitral atrial flutter in patients with previously confirmed mitral isthmus block. Authorea, October 2020, DOI: 10.22541/au.160315271.14600149/v1 e-Link
- Gerontitis D, Diab I, Chow AWC, Hunter RJ, Leyva F, Turley AJ, Williams I, Ullah W; other members of the Attain Stability Study Group/Consortium. UK multicenter retrospective comparison of novel active versus conventional passive fixation coronary sinus leads. J Cardiovasc Electrophysiol. 2020 Nov;31(11):2948-2953. doi: 10.1111/jce.14694. Epub 2020 Aug 5. PMID: 32716096. e-Link
- Ioannidis P, Zografos T, Vassilopoulos C, Christoforatou E, Dadous G, Skeberis V, Sakadamis G, Kanonidis I. Selective Activation Re-Mapping Reveals the Mechanism in Apparently Unstable Atrial Tachycardias. J Atr Fibrillation. 2019;11(6):2152. doi:10.4022/jafib.2152. PMID: 31384367; PMCID: PMC6652787. e-Link
