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31 results on '"Halapas, Antonios"'

14. Serum levels of the osteoprotegerin, receptor activator of nuclear factor κ-B ligand, metalloproteinase-1 (MMP-1) and tissue inhibitors of MMP-1 levels are increased in men 6 months after acute myocardial infarction

Author

Halapas, Antonios, Zacharoulis, Achilleas, Theocharis, Stamatios, Karavidas, Apostolos, Korres, Dimitrios, Papadopoulos, Kostantinos, Katopodis, Harris, Stavropoulou, Anastasia, Lembessis, Peter, Xiromeritis, Costas, Zacharoulis, Apostolos, and Koutsilieris, Michael

Published
2008
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19. Sudden Death After Transcatheter Aortic Valve Implantation. Are Bradyarrhythmias Always The Cause?

Author

Papavasileiou, Lida P, Halapas, Antonios, Chrisocheris, Michael, Bellos, Kyriakos, Bouboulis, Nikolaos, Pattakos, Stratis, Zervopoulos, Georgios, Santini, Luca, Spargias, Konstantinos, Romeo, Francesco, Forleo, Giovanni, and Apostolopoulos, Theodoros

Subjects
cardiovascular system, Case Report
Abstract

Transcatheter Aortic-Valve Implantation (TAVI) is considered to be highly effective in the treatment of high-risk patients with severe aortic stenosis. After TAVI, the rate of pacemaker implantation is 6.5%-40%. Some reports of sudden death after TAVI are mostly attributed to bradyarrhythmias.

Published
2015

20. Combined Transaortic Valve Implantation and off-pump Coronary Artery Bypass Graft surgery in a patient with aortic stenosis, left main disease and «porcelain» aorta.

Author

Halapas, Antonios, Chrissocheris, Michael, Boubulis, Nikolaos, Pattakos, Gregory, and Spargias, Konstantinos

Subjects
*CORONARY artery bypass, *TRANSPLANTATION of organs, tissues, etc., *AORTIC stenosis, *AORTIC valve transplantation, *HEART valve prosthesis implantation, *AORTA
Abstract

Conventional aortic valve replacement in patients with porcelain aorta can be technically challenging and is even sometimes seen as contraindication. Trans-aortic valve implantation has been proposed as an alternative to other trancutaneous routes of implantation and is feasible when there is a small healthy area in the right anterolateral aspect of the ascending aorta. Herein we report an interesting case of combined transaortic valve implantation and off-pump coronary artery bypass grafting in a patient with severe aortic stenosis, severe ostial left main coronary artery disease and porcelain aorta. [ABSTRACT FROM AUTHOR]

Published
2019

22. Emergency TAVI in a critically ill patient: A case report.

Author

Papadopoulos, Konstantinos, Chrissoheris, Michael, Halapas, Antonios, Kourkoveli, Panagiota, Ozden Tok, Ozge, and Spargias, Konstantinos

Subjects
HEART valve prosthesis implantation, CRITICALLY ill, CARDIOGENIC shock
Abstract

Transcatheter aortic valve implantation is a safe procedure even in inoperable patients with multi‐organ failure and cardiogenic shock. In such cases, the heart team should be prepared to proceed to emergent implantation for timely and successful management of the patient. [ABSTRACT FROM AUTHOR]

Published
2021
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23. Transaortic aortic valve replacement using the Edwards Sapien-XT Valve and the Medtronic CoreValve : initial experience

Author

Spargias, Konstantinos, Bouboulis, Nikolaos, Halapas, Antonios, Chrissoheris, Michael, Skardoutsos, Spyridon, Nikolaou, Joulia, Tsolakis, Apostolos, Mourmouris, Christos, Pattakos, Stratis, Spargias, Konstantinos, Bouboulis, Nikolaos, Halapas, Antonios, Chrissoheris, Michael, Skardoutsos, Spyridon, Nikolaou, Joulia, Tsolakis, Apostolos, Mourmouris, Christos, and Pattakos, Stratis

Abstract

INTRODUCTION: Transcatheter aortic valve replacement (TAVR) is now an established treatment for certain patients with severe aortic valve stenosis (AS). However, as the number of patients screened for TAVR increases, many are found to have absolutely no option for peripheral artery access. Transaortic valve replacement (TAoVR) has been proposed as a new alternative route in patients deemed unsuitable for conventional approaches. We present our first series of TAoVR cases using the Edwards Sapien-XT and the Medtronic CoreValve prostheses. METHODS: Twenty-five (25) symptomatic patients (mean age 78 ± 8 years, mean logistic EuroSCORE I 25 ± 11%) with severe AS underwent TAoVR using the Sapien-XT valve (10 patients) or the CoreValve (15 patients). RESULTS: The mean fluoroscopy time was 15.6 ± 4.2 minutes, the mean time in the intensive care unit was 1.9 ± 1.0 days, and the mean hospital stay was 6.4 ± 1.6 days. The mean effective aortic valve area increased (from 0.68 ± 0.15 cm(2) to 1.82 ± 0.34 cm(2), p<0.001) and the mean transvalvular pressure gradient declined (from 48 ± 15 mmHg to 9 ± 5 mmHg, p<0.05) post implantation. The procedural mortality was 0% and the in-hospital mortality was 4% (one death at day 3 due to cardiogenic shock). The mean NYHA functional class improved from 3.2 ± 0.4 to 1.5 ± 0.9 at 30 days. CONCLUSIONS: Our initial experience with the TAoVR approach using both the Edwards Sapien-XT and the Medtronic CoreValve prosthesis demonstrated that it could be performed safely, resulting in substantial acute echocardiographic and early clinical improvement.

Published
2015

24. LONG-TERM OUTCOMES IN PATIENTS RECEIVING PERMANENT PACEMAKER AFTER TRANSCATHETER AORTIC VALVE REPLACEMENT

Author

Stathogiannis, Konstantinos, primary, Toutouzas, Konstantinos, additional, Spargias, Konstantinos, additional, Latsios, George, additional, Synetos, Andreas, additional, Brili, Styliani, additional, Mastrokostopoulos, Antonios, additional, Chrissoheris, Michael, additional, Halapas, Antonios, additional, Adoniades, Aias, additional, Pavlides, Gregory, additional, and Stefanadis, Christodoulos I, additional

Published
2014
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28. Sudden Death After Transcatheter Aortic Valve Implantation. Are Bradyarrhythmias Always The Cause?

Author

Papavasileiou, Lida P., Halapas, Antonios, Chrisocheris, Michael, Bellos, Kyriakos, Bouboulis, Nikolaos, Pattakos, Stratis, Zervopoulos, Georgios, Santini, Luca, Spargias, Konstantinos, Romeo, Francesco, Forleo, Giovanni, and Apostolopoulos, Theodoros

Subjects
*SUDDEN death, *THANATOLOGY
Abstract

Transcatheter Aortic-Valve Implantation (TAVI) is considered to be highly effective in the treatment of high-risk patients with severe aortic stenosis. After TAVI, the rate of pacemaker implantation is 6.5%-40%. Some reports of sudden death after TAVI are mostly attributed to bradyarrhythmias. We report the case of three patients who experienced sudden cardiac death or aborted sudden cardiac death after TAVI. All patients were affected from ischemic heart disease with an ejection fraction of approximately 40% and underwent pacemaker implantation (PM) after the procedure due to 1rst degree atrioventricular block (AV) and left bundle branch block (LBBB). One of the patients died suddenly 30 days after the procedure. The PM interrogation revealed many episodes of non sustain ventricular tachycardias (NSVT) and one episode of ventricular fibrillation (VF) that led to death. The other two patients had syncope and during PM interrogation episodes of ventricular tachycardia >12 sec were recorded. Patients affected by ischemic heart disease undergoing TAVI, especially with borderline coronary lesions should receive particular attention in order to avoid potentially lethal ventricular arrhythmias. In addition, the physiopathologic mechanism of sudden arrhythmic death in these patients needs to be clarified. [ABSTRACT FROM AUTHOR]

Published
2015

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