B' ΚΑΡΔΙΟΛΟΓΙΚΟ ΤΜΗΜΑ
ΤΟΜΕΑΣ ΕΠΕΜΒΑΤΙΚΗΣ ΗΛΕΚΤΡΟΦΥΣΙΟΛΟΓΙΑΣ

Γ.Ν.Α. ‘‘Ο ΕΥΑΓΓΕΛΙΣΜΟΣ - ΟΦΘΑΛΜΙΑΤΡΕΙΟ ΑΘΗΝΩΝ - ΠΟΛΥΚΛΙΝΙΚΗ"

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ΚΑΡΔΙΟΛΟΓΟΣ - ΑΡΡΥΘΜΙΟΛΟΓΟΣ

Αποφοίτησε από την Ιατρική Σχολή του Πανεπιστήμιου Ιωαννίνων το 1997. Το 2003 ολοκλήρωσε την διδακτορική του διατριβή στην Ιατρική Σχολή του Πανεπιστημίου Ιωαννίνων. Έλαβε τον τίτλο της ειδικότητας στην Καρδιολογία το 2007 και μετεκπαιδεύτηκε στην Επεμβατική Ηλεκτροφυσιολογία στην Γερμανία (Universitäts-Herzzentrum Freiburg - Bad Krozingen) στα πλαίσια υποτροφίας της Ευρωπαϊκής Καρδιολογικής Εταιρείας (ESC-EHRA). Το 2009 έλαβε την πιστοποίηση της Ευρωπαϊκής Αρρυθμιολογικής Εταιρείας (EHRA) στην Επεμβατική Ηλεκτροφυσιολογία. Από το 2009 εργάζεται ως Επιμελητής στην Β’ Καρδιολογική Κλινική του Γ.Ν.Α. «Ευαγγελισμός» και πιο συγκεκριμένα στο εργαστήριο Επεμβατικής Ηλεκτροφυσιολογίας. Ασχολείται με την κατάλυση συμβατικών και σύμπλοκων αρρυθμιών με την χρήση σύγχρονων συστημάτων χαρτογράφησης καθώς και με την εμφύτευση ηλεκτροφυσιολογικών συσκευών (βηματοδοτών, απινιδωτών). Είναι υπεύθυνος του ιατρείου κληρονομικών ηλεκτρικών νοσημάτων της καρδιάς και αιφνίδιου καρδιακού θανάτου του Γ.Ν.Α. «Ευαγγελισμός». Εκπροσώπησε την Ελλάδα στην ομάδα των νέων ηλεκτροφυσιολόγων της Ευρωπαϊκής Αρρυθμιολογικής Εταιρείας (EHRA) (2013-2017). Αποτελεί μέλος της εξεταστικής επιτροπής της Ευρωπαϊκής Αρρυθμιολογικής Εταιρείας (EHRA) για την πιστοποίηση στην εξειδίκευση της Επεμβατικής Hλεκτροφυσιολογίας. Είναι Fellow της Ευρωπαϊκής Καρδιολογικής Εταιρείας (FESC) και της Ευρωπαϊκής Αρρυθμιολογικής Εταιρείας (FEHRA). Το ερευνητικό του ενδιαφέρον εστιάζεται στην κατάλυση της κολπικής μαρμαρυγής και στο σύνδρομο Brugada. Έχει περισσότερες από 180 δημοσιεύσεις σε διεθνή ιατρικά περιοδικά.

ΔΗΜΟΣΙΕΥΣΕΙΣ

1. Tpeak-Tend, Tpeak-Tend/QT ratio and Tpeak-Tend dispersion for risk stratification in Brugada Syndrome: A systematic review and meta-analysis.
Tse G, Gong M, Li CKH, Leung KSK, Georgopoulos S, Bazoukis G, Letsas KP, Sawant AC, Mugnai G, Wong MCS, Yan GX, Brugada P, Chierchia GB, de Asmundis C, Baranchuk A, Liu T; International Health Informatics Study (IHIS) Network.
J Arrhythm. 2018 Sep 10;34(6):587-597. doi: 10.1002/joa3.12118. eCollection 2018 Dec.
PMID: 30555602 [PubMed] Free PMC Article

2. Quantification of Beat-To-Beat Variability of Action Potential Durations in Langendorff-Perfused Mouse Hearts.
Tse G, Du Y, Hao G, Li KHC, Chan FYW, Liu T, Li G, Bazoukis G, Letsas KP, Wu WKK, Cheng SH, Wong WT.
Front Physiol. 2018 Nov 27;9:1578. doi: 10.3389/fphys.2018.01578. eCollection 2018.
PMID: 30538638 [PubMed] Free PMC Article

3. A novel desmin mutation causing severe left ventricular arrhythmogenic cardiomyopathy/dysplasia.
Bazoukis G, Letsas KP, Xia Y, Tse G, Li KHC.
J Thorac Dis. 2018 Sep;10(Suppl 26):S3100-S3102. doi: 10.21037/jtd.2018.07.83. No abstract available.
PMID: 30370089 [PubMed] Free PMC Article

4. Higher Dispersion Measures of Conduction and Repolarization in Type 1 Compared to Non-type 1 Brugada Syndrome Patients: An Electrocardiographic Study From a Single Center.
Tse G, Li KHC, Li G, Liu T, Bazoukis G, Wong WT, Chan MTV, Wong MCS, Xia Y, Letsas KP, Chan GCP, Chan YS, Wu WKK.
Front Cardiovasc Med. 2018 Oct 4;5:132. doi: 10.3389/fcvm.2018.00132. eCollection 2018.
PMID: 30338262 [PubMed] Free PMC Article

5. Safety, long-term outcomes and predictors of recurrence following a single catheter ablation procedure for atrial fibrillation.
Efremidis M, Letsas KP, Georgopoulos S, Karamichalakis N, Vlachos K, Lioni L, Bazoukis G, Saplaouras A, Sakellaropoulou A, Kolokathis AM, Rokiza A, Anagnostou A, Valkanas K, Sideris A.
Acta Cardiol. 2018 Oct 10:1-6. doi: 10.1080/00015385.2018.1494114. [Epub ahead of print]
PMID: 30303043 [PubMed - as supplied by publisher]

6. Targeted ablation of specific electrogram patterns in low-voltage areas after pulmonary vein antral isolation in persistent atrial fibrillation: Termination to an organized rhythm reduces atrial fibrillation recurrence.
Efremidis M, Vlachos K, Letsas KP, Bazoukis G, Martin R, Frontera A, Asvestas D, Saplaouras A, Kitamura Τ, Georgopoulos S, Valkanas K, Karamichalakis N, Takigawa M, Sideris A, Derval N, Sacher F, Jais P.
J Cardiovasc Electrophysiol. 2018 Oct 4. doi: 10.1111/jce.13763. [Epub ahead of print]
PMID: 30288830 [PubMed - as supplied by publisher]

7. Electrocardiographic conduction and repolarization markers associated with sudden cardiac death: moving along the ECG waveform.
Reynard JT, Oshodi OM, Lai J, Lai R, Bazoukis G, Fragakis N, Letsas KP, Korantzopoulos P, Liu FZ, Liu T, Xia Y, Tse G, Li KH.
Minerva Cardioangiol. 2018 Sep 26. doi: 10.23736/S0026-4725.18.04775-8. [Epub ahead of print]
PMID: 30260143 [PubMed - as supplied by publisher]

8. Impact of Coronary Artery Chronic Total Occlusion on Arrhythmic and Mortality Outcomes: A Systematic Review and Meta-Analysis.
Chi WK, Gong M, Bazoukis G, Yan BP, Letsas KP, Liu T, Baranchuk A, Nombela-Franco L, Dong M, Tse G; International Health Informatics Study (IHIS) Network.
JACC Clin Electrophysiol. 2018 Sep;4(9):1214-1223. doi: 10.1016/j.jacep.2018.06.011. Epub 2018 Jul 25.
PMID: 30236396 [PubMed - in process]

9. Predictive Value of Tpeak - Tend Indices for Adverse Outcomes in Acquired QT Prolongation: A Meta-Analysis.
Tse G, Gong M, Meng L, Wong CW, Bazoukis G, Chan MTV, Wong MCS, Letsas KP, Baranchuk A, Yan GX, Liu T, Wu WKK.
Front Physiol. 2018 Sep 3;9:1226. doi: 10.3389/fphys.2018.01226. eCollection 2018.
PMID: 30233403 [PubMed] Free PMC Article

10. Left atrial voltage mapping using a new impedance-based algorithm in patients with paroxysmal atrial fibrillation.
Asvestas D, Vlachos K, Bazoukis G, Martin CA, Letsas KP, Sakellaropoulou A, Kossyvakis C, Saplaouras A, Prappa E, Goga C, Vassilikos V, Valkanas K, Deftereos S, Sideris A, Efremidis M.
Pacing Clin Electrophysiol. 2018 Nov;41(11):1447-1453. doi: 10.1111/pace.13501. Epub 2018 Oct 3.
PMID: 30225845 [PubMed - in process]

11. T-Wave Indices and Atherosclerosis.
Tse G, Bazoukis G, Roever L, Liu T, Wu WKK, Wong MCS, Baranchuk A, Korantzopoulos P, Asvestas D, Letsas KP.
Curr Atheroscler Rep. 2018 Sep 17;20(11):55. doi: 10.1007/s11883-018-0756-4. Review.
PMID: 30225618 [PubMed - in process]

12. The efficacy of coronary sinus reducer in patients with refractory angina-A systematic review of the literature.
Bazoukis G, Brilakis ES, Tse G, Letsas KP, Kitsoulis P, Liu T, Baranchuk A, Sideris A, Tsioufis C, Stavrakis S.
J Interv Cardiol. 2018 Dec;31(6):775-779. doi: 10.1111/joic.12560. Epub 2018 Sep 7. Review.
PMID: 30191622 [PubMed - in process]

13. Steroids prevent early recurrence of atrial fibrillation following catheter ablation: a systematic review and meta-analysis.
Lei M, Gong M, Bazoukis G, Letsas KP, Korantzopoulos P, Li G, Bisleri G, Glover B, Li KHC, Tse G, Baranchuk A, Liu T.
Biosci Rep. 2018 Oct 17;38(5). pii: BSR20180462. doi: 10.1042/BSR20180462. Print 2018 Oct 31.
PMID: 30185438 [PubMed - in process]

14. Inflammation and atrial fibrillation: A comprehensive review.
Korantzopoulos P, Letsas KP, Tse G, Fragakis N, Goudis CA, Liu T.
J Arrhythm. 2018 Jun 4;34(4):394-401. doi: 10.1002/joa3.12077. eCollection 2018 Aug. Review.
PMID: 30167010 [PubMed] Free PMC Article

15. Impact of Implantable Cardioverter-Defibrillator Interventions on All-Cause Mortality in Heart Failure Patients - A Meta-Analysis.
Bazoukis G, Tse G, Korantzopoulos P, Liu T, Letsas KP, Stavrakis S, Naka KK.
Cardiol Rev. 2018 Jul 26. doi: 10.1097/CRD.0000000000000226. [Epub ahead of print]
PMID: 30052536 [PubMed - as supplied by publisher]

16. Oxidative stress and atrial fibrillation: an update.
Korantzopoulos P, Letsas K, Fragakis N, Tse G, Liu T.
Free Radic Res. 2018 Sep 10:1-11. doi: 10.1080/10715762.2018.1500696. [Epub ahead of print]
PMID: 30003814 [PubMed - as supplied by publisher]

17. Atrial Fibrillation Recurrence and Peri-Procedural Complication Rates in nMARQ vs. Conventional Ablation Techniques: A Systematic Review and Meta-Analysis.
Li KHC, Dong M, Gong M, Bazoukis G, Lakhani I, Ting YY, Wong SH, Li G, Wu WKK, Vassiliou VS, Wong MCS, Letsas K, Du Y, Laxton V, Yan BP, Chan YS, Xia Y, Liu T, Tse G; International Health Informatics Study (IHIS) Network.
Front Physiol. 2018 May 22;9:544. doi: 10.3389/fphys.2018.00544. eCollection 2018.
PMID: 29892228 [PubMed] Free PMC Article

18. High risk electrocardiographic markers in Brugada syndrome.
Asvestas D, Tse G, Baranchuk A, Bazoukis G, Liu T, Saplaouras A, Korantzopoulos P, Goga C, Efremidis M, Sideris A, Letsas KP.
Int J Cardiol Heart Vasc. 2018 Mar 8;18:58-64. doi: 10.1016/j.ijcha.2018.03.001. eCollection 2018 Mar. Review.
PMID: 29876505 [PubMed] Free PMC Article

19. Impact of major earthquakes on the incidence of acute coronary syndromes - A systematic review of the literature.
Bazoukis G, Tse G, Naka KK, Kalfakakou V, Vlachos K, Saplaouras A, Letsas KP, Korantzopoulos P, Thomopoulos C, Michelongona P, Bazoukis X, González-Salvado V, Liu T, Michalis LK, Baranchuk A, Itoh T, Efremidis M, Tsioufis C, Stavrakis S.
Hellenic J Cardiol. 2018 May 25. pii: S1109-9666(18)30037-X. doi: 10.1016/j.hjc.2018.05.005. [Epub ahead of print] Review.
PMID: 29807192 [PubMed - as supplied by publisher] Free Article

20. Xanthine Oxidase Inhibitor Allopurinol Prevents Oxidative Stress-Mediated Atrial Remodeling in Alloxan-Induced Diabetes Mellitus Rabbits.
Yang Y, Zhao J, Qiu J, Li J, Liang X, Zhang Z, Zhang X, Fu H, Korantzopoulos P, Letsas KP, Tse G, Li G, Liu T.
J Am Heart Assoc. 2018 May 2;7(10). pii: e008807. doi: 10.1161/JAHA.118.008807.
PMID: 29720500 [PubMed - in process] Free PMC Article

21. Impact of ranolazine on ventricular arrhythmias - A systematic review.
Bazoukis G, Tse G, Letsas KP, Thomopoulos C, Naka KK, Korantzopoulos P, Bazoukis X, Michelongona P, Papadatos SS, Vlachos K, Liu T, Efremidis M, Baranchuk A, Stavrakis S, Tsioufis C.
J Arrhythm. 2018 Jan 12;34(2):124-128. doi: 10.1002/joa3.12031. eCollection 2018 Apr. Review.
PMID: 29657587 [PubMed] Free PMC Article

22. Prognostic value of soluble ST2 postaortic valve replacement: a meta-analysis.
Tse G, Ip C, Luk KS, Gong M, Ting YY, Lakhani I, Bazoukis G, Li G, Letsas KP, Dong M, Liu T, Wong MCS.
Heart Asia. 2018 Mar 6;10(1):e010980. doi: 10.1136/heartasia-2017-010980. eCollection 2018.
PMID: 29636828 [PubMed] Free PMC Article

23. The J-waves of hypothermia.
Mililis P, Bazoukis G, Bakalakos A, Letsas KP.
J Thorac Dis. 2018 Jan;10(1):529-530. doi: 10.21037/jtd.2017.11.140.
PMID: 29600088 [PubMed] Free PMC Article

24. Meta-analysis of T-wave indices for risk stratification in myocardial infarction.
Tse G, Wong CW, Gong MQ, Meng L, Letsas KP, Li GP, Whittaker P, Bhardwaj A, Sawant AC, Wu WK, Wong SH, Shenthar J, Tse LA, Wong MC, Baranchuk A, Yan GX, Liu T; International Health Informatics Study (IHIS) Network.
J Geriatr Cardiol. 2017 Dec;14(12):776-779. doi: 10.11909/j.issn.1671-5411.2017.12.009. No abstract available.
PMID: 29581718 [PubMed] Free PMC Article

25. Meta-analysis of Tpeak-Tend and Tpeak-Tend/QT ratio for risk stratification in congenital long QT syndrome.
Tse G, Gong M, Meng L, Wong CW, Georgopoulos S, Bazoukis G, Wong MCS, Letsas KP, Vassiliou VS, Xia Y, Baranchuk AM, Yan GX, Liu T.
J Electrocardiol. 2018 May - Jun;51(3):396-401. doi: 10.1016/j.jelectrocard.2018.03.001. Epub 2018 Mar 6.
PMID: 29550106 [PubMed - in process]

26. Intermuscular implantation technique for subcutaneous cardioverter-defibrillators.
Letsas KP, Xydonas S, Karamichalakis N, Efremidis M, Manolatos D, Bazoukis G, Asvestas D, Vlachos K, Georgopoulos S, Saplaouras A, Winter J, Sideris A.
Herz. 2018 Feb 21. doi: 10.1007/s00059-018-4688-0. [Epub ahead of print]
PMID: 29468258 [PubMed - as supplied by publisher]

27. Right Ventricular Outflow Tract Electroanatomical Abnormalities Predict Ventricular Fibrillation Inducibility in Brugada Syndrome.
Letsas KP, Efremidis M, Asvestas D, Vlachos K, Georgopoulos S, Tse G, Liu T, Bazoukis G, Sideris A, Baranchuk A, Ehrlich JR, Brugada P.
Circ Arrhythm Electrophysiol. 2018 Feb;11(2):e005928. doi: 10.1161/CIRCEP.117.005928. No abstract available.
PMID: 29437762 [PubMed - in process]

28. Predictors of arrhythmia recurrence in patients with heart failure undergoing left atrial ablation for atrial fibrillation.
Bazoukis G, Letsas KP, Tse G, Naka KK, Korantzopoulos P, Ntzani E, Vlachos K, Saplaouras A, Pagkalidou E, Michalis LK, Sideris A, Efremidis M.
Clin Cardiol. 2018 Jan;41(1):63-67. doi: 10.1002/clc.22850. Epub 2018 Jan 22.
PMID: 29356016 [PubMed - indexed for MEDLINE] Free Article

29. PRRX1 Rs3903239 polymorphism and atrial fibrillation in a Greek population.
Kalinderi K, Fragakis N, Sotiriadou M, Oriol DI, Katritsis D, Letsas K, Korantzopoulos P, Karamanolis A, Pagourelias E, Antoniadis AP, Dalampyras P, Mavroudi M, Kyriakou P, Papadopoulos C, Skeberis V, Vassilikos V, Fidani L.
Hellenic J Cardiol. 2018 Jan 31. pii: S1109-9666(17)30569-9. doi: 10.1016/j.hjc.2018.01.005. [Epub ahead of print] No abstract available.
PMID: 29355724 [PubMed - as supplied by publisher] Free Article

30. Red blood cell distribution width as a predictor of atrial fibrillation.
Shao Q, Korantzopoulos P, Letsas KP, Tse G, Hong J, Li G, Liu T.
J Clin Lab Anal. 2018 Jun;32(5):e22378. doi: 10.1002/jcla.22378. Epub 2018 Jan 8.
PMID: 29315856 [PubMed - indexed for MEDLINE]

31. Spontaneous type 1 pattern, ventricular arrhythmias and sudden cardiac death in Brugada Syndrome: an updated systematic review and meta-analysis.
Bayoumy A, Gong MQ, Christien Li KH, Wong SH, Wu WK, Li GP, Bazoukis G, Letsas KP, Wong WT, Xia YL, Liu T, Tse G; International Health Informatics Study (IHIS) Network.
J Geriatr Cardiol. 2017 Oct;14(10):639-643. doi: 10.11909/j.issn.1671-5411.2017.10.010. No abstract available.
PMID: 29238365 [PubMed] Free PMC Article

32. Coincidental ganglionated plexus modification during radiofrequency pulmonary vein isolation and post-ablation arrhythmia recurrence.
Giannopoulos G, Kossyvakis C, Angelidis C, Panagopoulou V, Tsiachris D, Vrachatis DA, Doudoumis K, Letsas K, Pagoni S, Stefanadis C, Vassilikos VP, Lekakis J, Deftereos S.
Europace. 2017 Dec 1;19(12):1967-1972. doi: 10.1093/europace/euw309.
PMID: 29194518 [PubMed - indexed for MEDLINE]

33. Impact of baseline renal function on all-cause mortality in patients who underwent cardiac resynchronization therapy: A systematic review and meta-analysis.
Bazoukis G, Letsas KP, Korantzopoulos P, Thomopoulos C, Vlachos K, Georgopoulos S, Karamichalakis N, Saplaouras A, Efremidis M, Sideris A.
J Arrhythm. 2017 Oct;33(5):417-423. doi: 10.1016/j.joa.2017.04.005. Epub 2017 May 1. Review.
PMID: 29021843 [PubMed] Free PMC Article

34. Prognosis, risk stratification, and management of asymptomatic individuals with Brugada syndrome: A systematic review.
Letsas KP, Asvestas D, Baranchuk A, Liu T, Georgopoulos S, Efremidis M, Korantzopoulos P, Bazoukis G, Tse G, Sideris A, Takagi M, Ehrlich JR.
Pacing Clin Electrophysiol. 2017 Dec;40(12):1332-1345. doi: 10.1111/pace.13214. Epub 2017 Nov 15. Review.
PMID: 28994463 [PubMed - indexed for MEDLINE]

35. Meta-analysis of Fragmented QRS as an Electrocardiographic Predictor for Arrhythmic Events in Patients with Brugada Syndrome.
Meng L, Letsas KP, Baranchuk A, Shao Q, Tse G, Zhang N, Zhang Z, Hu D, Li G, Liu T.
Front Physiol. 2017 Sep 12;8:678. doi: 10.3389/fphys.2017.00678. eCollection 2017.
PMID: 28955245 [PubMed] Free PMC Article

36. Total cosine R-to-T for predicting ventricular arrhythmic and mortality outcomes: A systematic review and meta-analysis.
Tse G, Gong M, Wong CW, Chan C, Georgopoulos S, Chan YS, Yan BP, Li G, Whittaker P, Ciobanu A, Ali-Hasan-Al-Saegh S, Wong SH, Wu WKK, Bazoukis G, Lampropoulos K, Wong WT, Tse LA, Baranchuk AM, Letsas KP, Liu T; International Health Informatics Study (IHIS) Network.
Ann Noninvasive Electrocardiol. 2018 Mar;23(2):e12495. doi: 10.1111/anec.12495. Epub 2017 Sep 12. Review.
PMID: 28901628 [PubMed - indexed for MEDLINE]

37. Low-voltage areas detected by high-density electroanatomical mapping predict recurrence after ablation for paroxysmal atrial fibrillation.
Vlachos K, Efremidis M, Letsas KP, Bazoukis G, Martin R, Kalafateli M, Lioni L, Georgopoulos S, Saplaouras A, Efremidis T, Liu T, Valkanas K, Karamichalakis N, Asvestas D, Sideris A.
J Cardiovasc Electrophysiol. 2017 Dec;28(12):1393-1402. doi: 10.1111/jce.13321. Epub 2017 Sep 8.
PMID: 28884923 [PubMed - indexed for MEDLINE]

38. Adenosine-guided radiofrequency catheter ablation of atrial fibrillation: A meta-analysis of randomized control trials.
Letsas KP, Georgopoulos S, Efremidis M, Liu T, Bazoukis G, Vlachos K, Karamichalakis N, Lioni L, Sideris A, Ehrlich JR.
J Arrhythm. 2017 Aug;33(4):247-255. doi: 10.1016/j.joa.2017.02.002. Epub 2017 Mar 28. Review.
PMID: 28765753 [PubMed] Free PMC Article

39. Impact of statin therapy on all-cause mortality and ICD interventions in heart failure patients - a systematic review.
Bazoukis G, Papadatos SS, Letsas KP, Pagkalidou E, Korantzopoulos P.
Acta Cardiol. 2017 Oct;72(5):547-552. doi: 10.1080/00015385.2017.1310562. Epub 2017 Jul 7.
PMID: 28685653 [PubMed - in process]

40. P-Wave Indices and Risk of Ischemic Stroke: A Systematic Review and Meta-Analysis.
He J, Tse G, Korantzopoulos P, Letsas KP, Ali-Hasan-Al-Saegh S, Kamel H, Li G, Lip GYH, Liu T.
Stroke. 2017 Aug;48(8):2066-2072. doi: 10.1161/STROKEAHA.117.017293. Epub 2017 Jul 5. Review.
PMID: 28679858 [PubMed - indexed for MEDLINE]

41. Safety and efficacy of DOACs vs acenocoumarol in patients undergoing catheter ablation of atrial fibrillation.
Vlachos K, Efremidis M, Bazoukis G, Letsas KP, Saplaouras A, Georgopoulos S, Karamichalakis N, Rokiza A, Sakellaropoulou A, Kolokathis AM, Efremidis T, Asvestas D, Sideris A.
Clin Cardiol. 2017 Oct;40(10):847-852. doi: 10.1002/clc.22734. Epub 2017 May 31.
PMID: 28561951 [PubMed - indexed for MEDLINE] Free Article

42. The Tpeak - Tend interval as an electrocardiographic risk marker of arrhythmic and mortality outcomes: A systematic review and meta-analysis.
Tse G, Gong M, Wong WT, Georgopoulos S, Letsas KP, Vassiliou VS, Chan YS, Yan BP, Wong SH, Wu WKK, Ciobanu A, Li G, Shenthar J, Saguner AM, Ali-Hasan-Al-Saegh S, Bhardwaj A, Sawant AC, Whittaker P, Xia Y, Yan GX, Liu T.
Heart Rhythm. 2017 Aug;14(8):1131-1137. doi: 10.1016/j.hrthm.2017.05.031. Epub 2017 May 26. Review.
PMID: 28552749 [PubMed - indexed for MEDLINE] Free Article

43. Sudden cardiac death in the young: The emerging role of molecular autopsy.
Letsas KP, Efremidis M, Sideris A.
Hellenic J Cardiol. 2017 Mar - Apr;58(2):151-152. doi: 10.1016/j.hjc.2016.09.010. Epub 2017 May 6. No abstract available.
PMID: 28487204 [PubMed] Free Article

44. Right ventricular outflow tract high-density endocardial unipolar voltage mapping in patients with Brugada syndrome: evidence for electroanatomical abnormalities.
Letsas KP, Efremidis M, Vlachos K, Georgopoulos S, Karamichalakis N, Asvestas D, Valkanas K, Korantzopoulos P, Liu T, Sideris A.
Europace. 2018 Jun 1;20(FI1):f57-f63. doi: 10.1093/europace/eux079.
PMID: 28472282 [PubMed - in process]

45. Thiazolidinedione use and atrial fibrillation in diabetic patients: a meta-analysis.
Zhang Z, Zhang X, Korantzopoulos P, Letsas KP, Tse G, Gong M, Meng L, Li G, Liu T.
BMC Cardiovasc Disord. 2017 Apr 5;17(1):96. doi: 10.1186/s12872-017-0531-4. Review.
PMID: 28381265 [PubMed - indexed for MEDLINE] Free PMC Article

46. Risk of mortality and stroke after atrial fibrillation.
Mihas C, Mariolis A, Letsas KP, Kantzanou M.
Lancet. 2017 Mar 4;389(10072):906. doi: 10.1016/S0140-6736(17)30589-5. No abstract available.
PMID: 28271838 [PubMed - indexed for MEDLINE]

47. Serum glycated hemoglobin level as a predictor of atrial fibrillation: A systematic review with meta-analysis and meta-regression.
Qi W, Zhang N, Korantzopoulos P, Letsas KP, Cheng M, Di F, Tse G, Liu T, Li G.
PLoS One. 2017 Mar 7;12(3):e0170955. doi: 10.1371/journal.pone.0170955. eCollection 2017. Review.
PMID: 28267752 [PubMed - indexed for MEDLINE] Free PMC Article

48. Permanent pacemaker implantation in octogenarians with unexplained syncope and positive electrophysiologic testing.
Giannopoulos G, Kossyvakis C, Panagopoulou V, Tsiachris D, Doudoumis K, Mavri M, Vrachatis D, Letsas K, Efremidis M, Katsivas A, Lekakis J, Deftereos S.
Heart Rhythm. 2017 May;14(5):694-699. doi: 10.1016/j.hrthm.2017.01.012. Epub 2017 Jan 12.
PMID: 28089877 [PubMed - indexed for MEDLINE]

49. A meta-analysis on the prognostic significance of inferolateral early repolarization pattern in Brugada syndrome.
Georgopoulos S, Letsas KP, Liu T, Kalafateli M, Korantzopoulos P, Bürkle G, Vlachos K, Giannopoulos G, Efremidis M, Deftereos S, Sideris A, Takagi M, Yan GX, Ehrlich JR.
Europace. 2018 Jan 1;20(1):134-139. doi: 10.1093/europace/euw394. Review.
PMID: 28087596 [PubMed - indexed for MEDLINE]

50. Catheter ablation of anteroseptal accessory pathways from the aortic cusps: A case series and a review of the literature.
Letsas KP, Efremidis M, Vlachos K, Georgopoulos S, Karamichalakis N, Saplaouras A, Xydonas S, Valkanas K, Sideris A.
J Arrhythm. 2016 Dec;32(6):443-448. Epub 2016 Apr 19. Review.
PMID: 27920827 [PubMed] Free PMC Article

51. Brugada Syndrome:Risk Stratification And Management.
Letsas KP, Georgopoulos S, Vlachos K, Karamichalakis N, Liatakis I, Korantzopoulos P, Liu T, Efremidis M, Sideris A.
J Atr Fibrillation. 2016 Aug 31;9(2):1413. doi: 10.4022/jafib.1413. eCollection 2016 Aug-Sep. Review.
PMID: 27909531 [PubMed] Free PMC Article

52. Efficacy and safety of novel anticoagulants in the elderly.
Karamichalakis N, Georgopoulos S, Vlachos K, Liatakis I, Efremidis M, Sideris A, Letsas KP.
J Geriatr Cardiol. 2016 Aug;13(8):718-723. Review.
PMID: 27781063 [PubMed] Free PMC Article

53. Role of ranolazine in the prevention and treatment of atrial fibrillation: A meta-analysis of randomized clinical trials.
Gong M, Zhang Z, Fragakis N, Korantzopoulos P, Letsas KP, Li G, Yan GX, Liu T.
Heart Rhythm. 2017 Jan;14(1):3-11. doi: 10.1016/j.hrthm.2016.10.008. Epub 2016 Oct 13. Review.
PMID: 27746384 [PubMed - indexed for MEDLINE]

54. Adenosine-Guided Pulmonary Vein Antral Isolation for Paroxysmal Atrial Fibrillation: A Randomized Study.
Efremidis M, Letsas KP, Lioni L, Vlachos K, Georgopoulos S, Saplaouras A, Geladari E, Giannopoulos G, Liu T, Deftereos S, Sideris A.
J Cardiovasc Electrophysiol. 2016 Nov;27(11):1288-1292. doi: 10.1111/jce.13059. Epub 2016 Aug 30.
PMID: 27478152 [PubMed]

55. Prediction of atrial fibrillation development and progression: Current perspectives.
Vlachos K, Letsas KP, Korantzopoulos P, Liu T, Georgopoulos S, Bakalakos A, Karamichalakis N, Xydonas S, Efremidis M, Sideris A.
World J Cardiol. 2016 Mar 26;8(3):267-76. doi: 10.4330/wjc.v8.i3.267. Review.
PMID: 27022458 [PubMed] Free PMC Article

56. Linear Ablation Following Pulmonary Vein Isolation in Patients with Atrial Fibrillation: A Meta-Analysis.
Zhang Z, Letsas KP, Zhang N, Efremidis M, Xu G, Li G, Liu T.
Pacing Clin Electrophysiol. 2016 Jun;39(6):623-30. doi: 10.1111/pace.12841. Epub 2016 Apr 18.
PMID: 26970360 [PubMed - indexed for MEDLINE]

57. Mineralocorticoid receptor antagonists and atrial fibrillation: a meta-analysis.
Liu T, Korantzopoulos P, Shao Q, Zhang Z, Letsas KP, Li G.
Europace. 2016 May;18(5):672-8. doi: 10.1093/europace/euv366. Epub 2015 Dec 23.
PMID: 26705563 [PubMed - indexed for MEDLINE]

58. Association between serum uric acid and atrial fibrillation recurrence following catheter ablation: A meta-analysis.
Zhao J, Liu T, Korantzopoulos P, Letsas KP, Zhang E, Yang Y, Zhang Z, Qiu J, Li J, Li G.
Int J Cardiol. 2016 Feb 1;204:103-5. doi: 10.1016/j.ijcard.2015.11.167. Epub 2015 Nov 23. No abstract available.
PMID: 26655551 [PubMed - indexed for MEDLINE]

59. Managing atrial fibrillation in the very elderly patient: challenges and solutions.
Karamichalakis N, Letsas KP, Vlachos K, Georgopoulos S, Bakalakos A, Efremidis M, Sideris A.
Vasc Health Risk Manag. 2015 Oct 27;11:555-62. doi: 10.2147/VHRM.S83664. eCollection 2015. Review.
PMID: 26604772 [PubMed - indexed for MEDLINE] Free PMC Article

60. Catheter Ablation of Ventricular Arrhythmias Arising from the Distal Great Cardiac Vein.
Letsas KP, Efremidis M, Vlachos K, Georgopoulos S, Xydonas S, Valkanas K, Sideris A.
Heart Lung Circ. 2016 Mar;25(3):e37-40. doi: 10.1016/j.hlc.2015.08.018. Epub 2015 Oct 17.
PMID: 26559008 [PubMed - indexed for MEDLINE]

61. Notching early repolarization pattern in inferior leads increases risk of ventricular tachyarrhythmias in patients with acute myocardial infarction: a meta-analysis.
Zhang Z, Letsas KP, Yang Y, Korantzopoulos P, Li G, Yan GX, Liu T.
Sci Rep. 2015 Nov 2;5:15845. doi: 10.1038/srep15845.
PMID: 26521690 [PubMed - indexed for MEDLINE] Free PMC Article

62. A review on atrioventricular junction ablation and pacing for heart rate control of atrial fibrillation.
Vlachos K, Letsas KP, Korantzopoulos P, Liu T, Efremidis M, Sideris A.
J Geriatr Cardiol. 2015 Sep;12(5):547-54. doi: 10.11909/j.issn.1671-5411.2015.05.005. Review.
PMID: 26512247 [PubMed] Free PMC Article

63. An update on risk factors for drug-induced arrhythmias.
Vlachos K, Georgopoulos S, Efremidis M, Sideris A, Letsas KP.
Expert Rev Clin Pharmacol. 2016;9(1):117-27. doi: 10.1586/17512433.2016.1100073. Epub 2015 Oct 13. Review.
PMID: 26460585 [PubMed - indexed for MEDLINE]

64. Catheter ablation of idiopathic fascicular ventricular tachycardia: The role of isolated diastolic potentials during mapping in sinus rhythm.
Letsas KP, Efremidis M, Vlachos K, Asvestas D, Georgopoulos S, Xydonas S, Valkanas K, Sideris A, Toutouzas K, Tousoulis D.
Int J Cardiol. 2015 Dec 15;201:212-4. doi: 10.1016/j.ijcard.2015.08.008. Epub 2015 Aug 3. No abstract available.
PMID: 26298383 [PubMed - indexed for MEDLINE]

65. Low dose dabigatran versus uninterrupted acenocoumarol for peri-procedural anticoagulation in atrial fibrillation catheter ablation.
Efremidis M, Vlachos K, Letsas KP, Giannopoulos G, Lioni L, Georgopoulos S, Vadiaka M, Deftereos S, Sideris A.
J Electrocardiol. 2015 Sep-Oct;48(5):840-4. doi: 10.1016/j.jelectrocard.2015.06.011. Epub 2015 Jun 19.
PMID: 26152604 [PubMed - indexed for MEDLINE]

66. Gastroesophageal reflux disease and atrial fibrillation.
Letsas KP, Efremidis M, Sideris A.
Int J Cardiol. 2015 Nov 1;198:31. doi: 10.1016/j.ijcard.2015.05.189. Epub 2015 Jul 2. No abstract available.
PMID: 26149335 [PubMed - indexed for MEDLINE]

67. Association Between rs2200733 Polymorphism on Chromosome 4q25 and Atrial Fibrillation in a Greek Population.
Kalinderi K, Fragakis N, Koskinas KC, Katritsis D, Letsas K, Efremidis M, Korantzopoulos P, Rossios K, Pagourelias E, Giannakopoulou P, Mavroudi M, Kyriakou P, Skeberis V, Geleris P, Vassilikos V, Fidani L.
Hellenic J Cardiol. 2015 May-Jun;56(3):224-9.
PMID: 26021244 [PubMed - indexed for MEDLINE] Free Article

68. Meta-Analysis on Risk Stratification of Asymptomatic Individuals With the Brugada Phenotype.
Letsas KP, Liu T, Shao Q, Korantzopoulos P, Giannopoulos G, Vlachos K, Georgopoulos S, Trikas A, Efremidis M, Deftereos S, Sideris A.
Am J Cardiol. 2015 Jul 1;116(1):98-103. doi: 10.1016/j.amjcard.2015.03.044. Epub 2015 Apr 8.
PMID: 25933735 [PubMed - indexed for MEDLINE]

69. Amino-terminal B-natriuretic peptide levels and postablation recurrence in hypertensive patients with paroxysmal atrial fibrillation.
Giannopoulos G, Kossyvakis C, Angelidis C, Efremidis M, Panagopoulou V, Letsas K, Bouras G, Vassilikos VP, Goudevenos J, Tousoulis D, Lekakis J, Deftereos S.
Heart Rhythm. 2015 Jul;12(7):1470-5. doi: 10.1016/j.hrthm.2015.04.002. Epub 2015 Apr 3.
PMID: 25847478 [PubMed - indexed for MEDLINE]

70. Catheter ablation of persistent atrial fibrillation: The importance of substrate modification.
Letsas KP, Efremidis M, Sgouros NP, Vlachos K, Asvestas D, Sideris A.
World J Cardiol. 2015 Mar 26;7(3):111-8. doi: 10.4330/wjc.v7.i3.111.
PMID: 25810810 [PubMed] Free PMC Article

71. Early pulmonary vein reconnection as a predictor of left atrial ablation outcomes for paroxysmal atrial fibrillation.
Efremidis M, Letsas K, Giannopoulos G, Lioni L, Vlachos K, Asvestas D, Karlis D, Kareliotis V, Geladari H, Sideris A, Deftereos S.
Europace. 2015 May;17(5):741-6. doi: 10.1093/europace/euu216. Epub 2015 Feb 16.
PMID: 25687747 [PubMed - indexed for MEDLINE]

72. Gastroesophageal reflux disease is a predictor of atrial fibrillation recurrence following left atrial ablation.
Lioni L, Letsas KP, Efremidis M, Vlachos K, Karlis D, Asvestas D, Mihas CC, Sideris A.
Int J Cardiol. 2015 Mar 15;183:211-3. doi: 10.1016/j.ijcard.2015.01.083. Epub 2015 Jan 29. No abstract available.
PMID: 25675903 [PubMed - indexed for MEDLINE]

73. Catheter ablation of atrial fibrillation in the elderly.
Lioni L, Letsas KP, Efremidis M, Vlachos K, Giannopoulos G, Kareliotis V, Deftereos S, Sideris A.
J Geriatr Cardiol. 2014 Dec;11(4):291-5. doi: 10.11909/j.issn.1671-5411.2014.04.003.
PMID: 25593577 [PubMed] Free PMC Article

74. Differences in quality of life, anxiety and depression in patients with paroxysmal atrial fibrillation and common forms of atrioventricular reentry supraventricular tachycardias.
Lioni L, Vlachos K, Letsas KP, Efremidis M, Karlis D, Asvestas D, Kareliotis V, Xydonas S, Dimopoulos N, Korantzopoulos P, Trikas A, Sideris A.
Indian Pacing Electrophysiol J. 2014 Oct 6;14(5):250-7. eCollection 2014 Sep.
PMID: 25408565 [PubMed] Free PMC Article

75. Post myocardial infarction risk stratification for sudden cardiac death in patients with preserved ejection fraction: PRESERVE-EF study design.
Gatzoulis KA, Tsiachris D, Arsenos P, Dilaveris P, Sideris S, Simantirakis E, Efremidis M, Dagres N, Korantzopoulos P, Fragkakis N, Letsas K, Flevari P, Vasilikos V, Sideris A, Iliodromitis E, Goudevenos I, Lekakis I, Vardas P, Kallikazaros I, Stefanadis C.
Hellenic J Cardiol. 2014 Sep-Oct;55(5):361-8. No abstract available.
PMID: 25243434 [PubMed - indexed for MEDLINE] Free Article

76. Central sympathetic inhibition to reduce postablation atrial fibrillation recurrences in hypertensive patients: a randomized, controlled study.
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.
Circulation. 2014 Oct 14;130(16):1346-52. doi: 10.1161/CIRCULATIONAHA.114.010999. Epub 2014 Aug 21.
PMID: 25147079 [PubMed - indexed for MEDLINE]

77. Exhaled breath condensate in acute and chronic heart failure: new insights into the role of lung injury and barrier dysfunction.
Pappas LK, Giannopoulos G, Loukides S, Gavrielatos G, Athanasopoulou E, Alexanian IP, Farmakis D, Korovesi I, Letsas KP, Parissis JT, Deftereos S, Pyrgakis VN, Kotanidou A, Kremastinos DT, Filippatos GS.
Am J Respir Crit Care Med. 2014 Aug 1;190(3):342-5. doi: 10.1164/rccm.201402-0272LE. No abstract available.
PMID: 25084262 [PubMed - indexed for MEDLINE]

78. Headache: An unusual presentation of acute myocardial infraction.
Asvestas D, Vlachos K, Salachas A, Letsas KP, Sideris A.
World J Cardiol. 2014 Jun 26;6(6):514-6. doi: 10.4330/wjc.v6.i6.514.
PMID: 24976924 [PubMed] Free PMC Article

79. Prospective European survey on atrial fibrillation ablation: clinical characteristics of patients and ablation strategies used in different countries.
Themistoclakis S, Raviele A, China P, Pappone C, De Ponti R, Revishvili A, Aliot E, Kuck KH, Hoff PI, Shah D, Almendral J, Manolis AS, Chierchia GB, Oto A, Vatasescu RG, Sinkovec M, Cappato R; Atrial Fibrillation Survey Investigators.
J Cardiovasc Electrophysiol. 2014 Oct;25(10):1074-81. doi: 10.1111/jce.12462. Epub 2014 Jul 8.
PMID: 24891043 [PubMed - indexed for MEDLINE]

80. Association of quality of life, anxiety, and depression with left atrial ablation outcomes.
Efremidis M, Letsas KP, Lioni L, Giannopoulos G, Korantzopoulos P, Vlachos K, Dimopoulos NP, Karlis D, Bouras G, Sideris A, Deftereos S.
Pacing Clin Electrophysiol. 2014 Jun;37(6):703-11. doi: 10.1111/pace.12420. Epub 2014 May 9.
PMID: 24809737 [PubMed - indexed for MEDLINE]

81. Electrocardiographic characteristics of premature ventricular contractions in subjects with type 1 pattern of Brugada syndrome.
Letsas KP, Asvestas D, Vlachos K, Karlis D, Korantzopoulos P, Efremidis M, Sideris A.
J Electrocardiol. 2014 May-Jun;47(3):351-5. doi: 10.1016/j.jelectrocard.2014.02.012. Epub 2014 Mar 2.
PMID: 24636795 [PubMed - indexed for MEDLINE]

82. The impact of catheter ablation in the interpulmonary isthmus on atrial fibrillation ablation outcomes: a randomized study.
Letsas KP, Efremidis M, Vlachos K, Karlis D, Lioni L, Asvestas D, Valkanas K, Mihas CC, Sideris A.
J Cardiovasc Electrophysiol. 2014 Jul;25(7):709-13. doi: 10.1111/jce.12399. Epub 2014 Mar 28.
PMID: 24597730 [PubMed - indexed for MEDLINE]

83. 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.
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.
Eur Heart J. 2014 Jun 7;35(22):1466-78. doi: 10.1093/eurheartj/ehu001. Epub 2014 Jan 31.
PMID: 24487524 [PubMed - indexed for MEDLINE]

84. Endocardial late potentials during sinus rhythm define the re-entry circuit of ventricular tachycardia in arrhythmogenic right ventricular cardiomyopathy.
Efremidis M, Prappa E, Charalampous C, Protonotarios N, Letsas KP, Sideris A.
Hellenic J Cardiol. 2013 Sep-Oct;54(5):394-6.
PMID: 24100184 [PubMed - indexed for MEDLINE] Free Article

85. Drug-induced Brugada syndrome by noncardiac agents.
Letsas KP, Kavvouras C, Kollias G, Tsikrikas S, Korantzopoulos P, Efremidis M, Sideris A.
Pacing Clin Electrophysiol. 2013 Dec;36(12):1570-7. doi: 10.1111/pace.12234. Epub 2013 Aug 30. Review.
PMID: 23992531 [PubMed - indexed for MEDLINE]

86. Ibutilide and novel indexes of ventricular repolarization in persistent atrial fibrillation patients.
Korantzopoulos P, Letsas KP, Kotsia A, Baltogiannis G, Kalantzi K, Kyrlas K, Goudevenos JA.
World J Cardiol. 2013 Jul 26;5(7):242-6. doi: 10.4330/wjc.v5.i7.242.
PMID: 23888193 [PubMed] Free PMC Article

87. The impact of vagotonic, adrenergic, and random type of paroxysmal atrial fibrillation on left atrial ablation outcomes.
Efremidis M, Letsas KP, Lioni L, Deftereos S, Giannopoulos G, Kossyvakis C, Tsikrikas S, Charalampous C, Kollias G, Xydonas S, Synetos A, Sideris A, Toutouzas K, Stefanadis C.
Int J Cardiol. 2013 Oct 9;168(4):4015-8. doi: 10.1016/j.ijcard.2013.06.075. Epub 2013 Jul 17.
PMID: 23870637 [PubMed - indexed for MEDLINE]

88. Mechanisms of drug-induced proarrhythmia in clinical practice.
Konstantopoulou A, Tsikrikas S, Asvestas D, Korantzopoulos P, Letsas KP.
World J Cardiol. 2013 Jun 26;5(6):175-85. doi: 10.4330/wjc.v5.i6.175.
PMID: 23847724 [PubMed] Free PMC Article

89. CHADS2 and CHA2DS2-VASc scores as predictors of left atrial ablation outcomes for paroxysmal atrial fibrillation.
Letsas KP, Efremidis M, Giannopoulos G, Deftereos S, Lioni L, Korantzopoulos P, Vlachos K, Xydonas S, Kossyvakis C, Sideris A.
Europace. 2014 Feb;16(2):202-7. doi: 10.1093/europace/eut210. Epub 2013 Jun 28.
PMID: 23813452 [PubMed - indexed for MEDLINE]

90. Idiopathic ventricular tachycardia arising from the right ventricular apex.
Letsas KP, Efremidis M, Tsikrikas S, Sideris A.
Indian Pacing Electrophysiol J. 2013 Mar;13(2):80-3. Epub 2013 Mar 7.
PMID: 23573062 [PubMed] Free PMC Article

91. The epidemiology of atrial fibrillation in end-stage renal disease.
Korantzopoulos P, Liu T, Letsas KP, Fragakis N, Kyrlas K, Goudevenos JA.
J Nephrol. 2013 Jul-Aug;26(4):617-23. doi: 10.5301/jn.5000270. Epub 2013 Apr 3. Review.
PMID: 23553528 [PubMed - indexed for MEDLINE]

92. Sinus node disease in subjects with type 1 ECG pattern of Brugada syndrome.
Letsas KP, Korantzopoulos P, Efremidis M, Weber R, Lioni L, Bakosis G, Vassilikos VP, Deftereos S, Sideris A, Arentz T.
J Cardiol. 2013 Mar;61(3):227-31. doi: 10.1016/j.jjcc.2012.12.006. Epub 2013 Feb 9.
PMID: 23403368 [PubMed - indexed for MEDLINE] Free Article

93. The impact of hemodialysis on the dispersion of ventricular repolarization.
Kalantzi K, Gouva C, Letsas KP, Vlachopanou A, Foulidis V, Bechlioulis A, Katopodis KP, Goudevenos JA, Korantzopoulos P.
Pacing Clin Electrophysiol. 2013 Mar;36(3):322-7. doi: 10.1111/pace.12066. Epub 2013 Jan 10.
PMID: 23305256 [PubMed - indexed for MEDLINE]

94. Pacemaker lead perforation into the right lung.
Xydonas S, Letsas KP, Tsikrikas S, Charitos C, Sideris A.
Ann Thorac Surg. 2012 Dec;94(6):2130. doi: 10.1016/j.athoracsur.2012.04.131. No abstract available.
PMID: 23176934 [PubMed - indexed for MEDLINE]

95. Pacing-facilitated proarrhythmia.
Tsikrikas S, Bramos D, Kollias G, Letsas KP, Efremidis M, Sideris A.
Hellenic J Cardiol. 2012 Jul-Aug;53(4):327-8.
PMID: 22796822 [PubMed - indexed for MEDLINE] Free Article

96. Xanthine oxidase and uric Acid in atrial fibrillation.
Korantzopoulos P, Letsas KP, Liu T.
Front Physiol. 2012 May 24;3:150. doi: 10.3389/fphys.2012.00150. eCollection 2012. No abstract available.
PMID: 22654765 [PubMed] Free PMC Article

97. ESC-EURObservational Research Programme: the Atrial Fibrillation Ablation Pilot Study, conducted by the European Heart Rhythm Association.
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.
Europace. 2012 Aug;14(8):1094-103. Epub 2012 May 24.
PMID: 22628450 [PubMed - indexed for MEDLINE]

98. Isolation of a pulmonary vein originating from the roof of the left atrium.
Efremidis M, Letsas K, Kollias G, Skoufogianni P, Sideris A.
Hellenic J Cardiol. 2012 Jan-Feb;53(1):72-3. No abstract available.
PMID: 22275746 [PubMed - indexed for MEDLINE] Free Article

99. Novel indexes of heterogeneity of ventricular repolarization in subjects with early repolarization pattern.
Letsas KP, Charalampous C, Korantzopoulos P, Tsikrikas S, Bramos D, Kollias G, Efremidis M, Sideris A.
Europace. 2012 Jun;14(6):877-81. doi: 10.1093/europace/eur390. Epub 2011 Dec 19.
PMID: 22186777 [PubMed - indexed for MEDLINE]

100. Catheter Ablation of Atrial Fibrillation in Overweight and Obese Patients.
Lioni L, Korantzopoulos P, Letsas KP.
J Atr Fibrillation. 2011 Dec 20;4(4):1216. doi: 10.4022/jafib.454. eCollection 2011 Dec. Review.
PMID: 28496711 [PubMed] Free PMC Article

101. Single right coronary artery.
Tsikrikas S, Bramos D, Rouska E, Letsas KP, Gavaliatsis IP, Sideris A.
Hellenic J Cardiol. 2011 Sep-Oct;52(5):475. No abstract available.
PMID: 21940300 [PubMed - indexed for MEDLINE] Free Article

102. Methods and indications for ablation of ventricular tachycardia.
Letsas KP, Charalampous C, Weber R, Tsikrikas S, Efremidis M, Arentz T, Sideris A.
Hellenic J Cardiol. 2011 Sep-Oct;52(5):427-36. Review. No abstract available.
PMID: 21940290 [PubMed - indexed for MEDLINE] Free Article

103. Gender effects on novel indexes of heterogeneity of repolarization in patients with stable coronary artery disease.
Korantzopoulos P, Letsas KP, Christogiannis Z, Kalantzi K, Massis I, Goudevenos JA.
Hellenic J Cardiol. 2011 Jul-Aug;52(4):311-5.
PMID: 21933762 [PubMed - indexed for MEDLINE] Free Article

104. Anticoagulation and antiplatelet therapy in implantation of electrophysiological devices.
Korantzopoulos P, Letsas KP, Liu T, Fragakis N, Efremidis M, Goudevenos JA.
Europace. 2011 Dec;13(12):1669-80. doi: 10.1093/europace/eur210. Epub 2011 Jul 25. Review.
PMID: 21788280 [PubMed - indexed for MEDLINE]

105. The impact of body mass index on the efficacy and safety of catheter ablation of atrial fibrillation.
Letsas KP, Siklódy CH, Korantzopoulos P, Weber R, Bürkle G, Mihas CC, Kalusche D, Arentz T.
Int J Cardiol. 2013 Mar 20;164(1):94-8. doi: 10.1016/j.ijcard.2011.06.092. Epub 2011 Jul 2.
PMID: 21726910 [PubMed - indexed for MEDLINE]

106. Epicardial ventricular tachycardia ablation: the last frontier in interventional electrophysiology?
Efremidis M, Letsas KP, Tsikrikas S, Charalampous C, Sideris A.
Hellenic J Cardiol. 2011 May-Jun;52(3):253-5. Review. No abstract available.
PMID: 21642074 [PubMed - indexed for MEDLINE] Free Article

107. Electrocardiographic and electrophysiologic characteristics of ventricular extrasystoles arising from the aortomitral continuity.
Letsas KP, Efremidis M, Kollias G, Xydonas S, Sideris A.
Cardiol Res Pract. 2011;2011:864964. doi: 10.4061/2011/864964. Epub 2011 May 24.
PMID: 21637720 [PubMed] Free PMC Article

108. Osborn waves.
Tsikrikas S, Lavos N, Koutras K, Letsas KP, Sideris A.
Angiology. 2011 Oct;62(7):588-9. doi: 10.1177/0003319711401372. Epub 2011 May 8. No abstract available.
PMID: 21555315 [PubMed - indexed for MEDLINE]

109. Sustained polymorphic ventricular tachycardia induced during radiofrequency catheter ablation of idiopathic right ventricular outflow tract extrasystoles.
Letsas KP, Efremidis M, Bramos D, Charalampous C, Tsikrikas S, Skoufogianni P, Sideris A.
Indian Pacing Electrophysiol J. 2011 Mar 25;11(2):56-8. No abstract available.
PMID: 21468250 [PubMed] Free PMC Article

110. Long-term prognosis of asymptomatic individuals with spontaneous or drug-induced type 1 electrocardiographic phenotype of Brugada syndrome.
Letsas KP, Weber R, Efremidis M, Korantzopoulos P, Astheimer K, Charalampous C, Tsikrikas S, Fragakis N, Kalusche D, Sideris A, Arentz T.
J Electrocardiol. 2011 May-Jun;44(3):346-9. doi: 10.1016/j.jelectrocard.2010.12.007. Epub 2011 Mar 21.
PMID: 21419423 [PubMed - indexed for MEDLINE]

111. Current ablation strategies for persistent and long-standing persistent atrial fibrillation.
Letsas KP, Efremidis M, Charalampous C, Tsikrikas S, Sideris A.
Cardiol Res Pract. 2011 Mar 3;2011:376969. doi: 10.4061/2011/376969.
PMID: 21403874 [PubMed] Free PMC Article

112. Epsilon-like waves and ventricular conduction abnormalities in subjects with type 1 ECG pattern of Brugada syndrome.
Letsas KP, Efremidis M, Weber R, Korantzopoulos P, Protonotarios N, Prappa E, Kounas SP, Evagelidou EN, Xydonas S, Kalusche D, Sideris A, Arentz T.
Heart Rhythm. 2011 Jun;8(6):874-8. doi: 10.1016/j.hrthm.2011.01.043. Epub 2011 Apr 11.
PMID: 21315837 [PubMed - indexed for MEDLINE]

113. A case of severe asymptomatic aortic coarctation in an adult female.
Tsikrikas S, Charalampous C, Letsas KP.
Case Rep Cardiol. 2011;2011:535463. doi: 10.1155/2011/535463. Epub 2011 Jul 10.
PMID: 24826221 [PubMed] Free PMC Article

114. Atypical Brugada ECG phenotype involving ST-segment elevation in lateral leads.
Letsas KP, Weber R, Tsikrikas S, Charalampous C, Arentz T.
Hellenic J Cardiol. 2010 Nov-Dec;51(6):563-4. No abstract available.
PMID: 21169193 [PubMed - indexed for MEDLINE] Free Article

115. Low back pain following intravenous administration of amiodarone.
Tsikrikas S, Charalampous C, Letsas KP, Efremidis M, Sideris A.
Hellenic J Cardiol. 2010 Nov-Dec;51(6):544-5.
PMID: 21169188 [PubMed - indexed for MEDLINE] Free Article

116. Exercise-induced repolarization changes in patients with stable coronary artery disease.
Korantzopoulos P, Letsas KP, Christogiannis Z, Kalantzi K, Massis I, Milionis HJ, Pappas C, Goudevenos JA.
Am J Cardiol. 2011 Jan;107(1):37-40. doi: 10.1016/j.amjcard.2010.08.038.
PMID: 21146683 [PubMed - indexed for MEDLINE]

117. The influence of diabetes on novel electrocardiographic indexes of arrhythmic risk in patients with stable coronary artery disease.
Korantzopoulos P, Letsas KP, Christogiannis Z, Kalantzi K, Milionis HJ, Massis I, Pappas C, Goudevenos JA.
Int J Cardiol. 2011 Jan 21;146(2):267-8. doi: 10.1016/j.ijcard.2010.10.075. Epub 2010 Nov 20. No abstract available.
PMID: 21094537 [PubMed - indexed for MEDLINE]

118. Proarrhythmia in the setting of acute ST-segment elevation.
Weber R, Letsas KP, Bürkle G, Arentz T, Kalusche D.
J Electrocardiol. 2010 Sep-Oct;43(5):464-5. doi: 10.1016/j.jelectrocard.2010.05.002. Epub 2010 Jul 17. No abstract available.
PMID: 20638667 [PubMed - indexed for MEDLINE]

119. Uric acid elevation in atrial fibrillation.
Letsas KP, Korantzopoulos P, Filippatos GS, Mihas CC, Markou V, Gavrielatos G, Efremidis M, Sideris A, Kardaras F.
Hellenic J Cardiol. 2010 May-Jun;51(3):209-13.
PMID: 20515852 [PubMed - indexed for MEDLINE] Free Article

120. Electrocardiographic differentiation of common type atrioventricular nodal reentrant tachycardia from atrioventricular reciprocating tachycardia via a concealed accessory pathway.
Letsas KP, Weber R, Siklody CH, Mihas CC, Stockinger J, Blum T, Kalusche D, Arentz T.
Acta Cardiol. 2010 Apr;65(2):171-6.
PMID: 20458824 [PubMed - indexed for MEDLINE]

121. Narrow QRS complex tachycardia inducing Wide QRS complex tachycardia: what is the mechanism?
Letsas KP, Efremidis M, Manolatos D, Sideris A.
Pacing Clin Electrophysiol. 2010 May;33(5):615-7. doi: 10.1111/j.1540-8159.2010.02687.x. Epub 2010 Feb 1. No abstract available.
PMID: 20132508 [PubMed - indexed for MEDLINE]

122. Pulmonary vein parasystolic activity following circumferential isolation in a patient with paroxysmal atrial fibrillation.
Letsas KP, Efremidis M, Sideris A.
Hellenic J Cardiol. 2010 Jan-Feb;51(1):62-3. No abstract available.
PMID: 20118046 [PubMed - indexed for MEDLINE] Free Article

123. QRS complex abnormalities in subjects with idiopathic ventricular fibrillation.
Letsas KP, Weber R, Kalusche D, Arentz T.
Int J Cardiol. 2010 Nov 19;145(2):342-345. doi: 10.1016/j.ijcard.2009.12.008. Epub 2010 Jan 6.
PMID: 20051302 [PubMed - indexed for MEDLINE]

124. Tpeak-Tend interval and Tpeak-Tend/QT ratio as markers of ventricular tachycardia inducibility in subjects with Brugada ECG phenotype.
Letsas KP, Weber R, Astheimer K, Kalusche D, Arentz T.
Europace. 2010 Feb;12(2):271-4. doi: 10.1093/europace/eup357. Epub 2009 Nov 6.
PMID: 19897501 [PubMed - indexed for MEDLINE]

125. Recurrent syncope associated with a distinct ECG pattern consisting of short QT interval, early repolarization and atrioventricular block.
Efremidis M, Letsas KP, Weber R, Gavrielatos G, Filippatos GS, Sideris A, Kardaras F.
Clin Res Cardiol. 2009 Dec;98(12):807-10. doi: 10.1007/s00392-009-0083-4. Epub 2009 Sep 23. No abstract available.
PMID: 19774329 [PubMed - indexed for MEDLINE]

126. Wide QRS complex supraventricular tachycardia with negative precordial concordance.
Pappas LK, Efremidis M, Letsas KP, Gavrielatos GD, Alexanian IP, Sideris A, Kardaras F.
Am Heart Hosp J. 2009 Summer;7(1):67-8.
PMID: 19742439 [PubMed - indexed for MEDLINE]

127. Cardiac amyloidosis and Brugada-like ECG pattern.
Bramos D, Koutras K, Kollias G, Prappa E, Letsas KP, Sideris A.
Int J Cardiol. 2010 Nov 19;145(2):249-251. doi: 10.1016/j.ijcard.2009.08.045. Epub 2009 Sep 9.
PMID: 19740556 [PubMed - indexed for MEDLINE]

128. Potential-guided versus anatomic-guided approach for slow pathway ablation of the common type atrioventricular nodal reentry tachycardia: a randomized study.
Efremidis M, Sideris A, Letsas KP, Alexanian IP, Pappas LK, Mihas CC, Manolatos D, Xydonas S, Gavrielatos G, Filippatos GS, Kardaras F.
Acta Cardiol. 2009 Aug;64(4):477-83.
PMID: 19725440 [PubMed - indexed for MEDLINE]

129. Brugada-type ECG pattern in patients treated with oral flecainide for lone atrial fibrillation: is there any clinical implication?
Letsas KP, Weber R, Arentz T, Kalusche D.
Hellenic J Cardiol. 2009 Jul-Aug;50(4):338-9. No abstract available.
PMID: 19622506 [PubMed - indexed for MEDLINE] Free Article

130. Pacemaker dependency after implantation of electrophysiological devices.
Korantzopoulos P, Letsas KP, Grekas G, Goudevenos JA.
Europace. 2009 Sep;11(9):1151-5. doi: 10.1093/europace/eup195. Epub 2009 Jul 16. Review.
PMID: 19617204 [PubMed - indexed for MEDLINE]

131. Excessive vagal response during left atrial ablation in a patient with paroxysmal atrial fibrillation.
Efremidis M, Letsas KP, Pappas L, Filippatos G, Sideris A, Kardaras F.
Hellenic J Cardiol. 2009 May-Jun;50(3):227-9.
PMID: 19465367 [PubMed - indexed for MEDLINE] Free Article

132. Adenosine sensitive focal atrial tachycardia originating from the non-coronary aortic cusp.
Weber R, Letsas KP, Arentz T, Kalusche D.
Europace. 2009 Jun;11(6):823-6. doi: 10.1093/europace/eup086. Epub 2009 Apr 21.
PMID: 19383671 [PubMed - indexed for MEDLINE]

133. Predictors of atrial fibrillation recurrence in patients with long-lasting atrial fibrillation.
Efremidis M, Alexanian IP, Oikonomou D, Manolatos D, Letsas KP, Pappas LK, Gavrielatos G, Vadiaka M, Mihas CC, Filippatos GS, Sideris A, Kardaras F.
Can J Cardiol. 2009 Apr;25(4):e119-24.
PMID: 19340356 [PubMed - indexed for MEDLINE] Free PMC Article

134. Predictors of atrial tachyarrhythmias in subjects with type 1 ECG pattern of Brugada syndrome.
Letsas KP, Weber R, Astheimer K, Mihas CC, Stockinger J, Blum T, Kalusche D, Arentz T.
Pacing Clin Electrophysiol. 2009 Apr;32(4):500-5. doi: 10.1111/j.1540-8159.2009.02311.x.
PMID: 19335860 [PubMed - indexed for MEDLINE]

135. Sensitivity and specificity of sodium channel blocking test in the diagnosis of Brugada syndrome.
Gavrielatos G, Letsas KP, Pappas LK, Efremidis M, Sideris A, Kardaras F.
Int J Cardiol. 2010 May 28;141(2):e31-3. doi: 10.1016/j.ijcard.2008.11.147. Epub 2009 Jan 13.
PMID: 19141363 [PubMed - indexed for MEDLINE]

136. Prevalence of early repolarization pattern in inferolateral leads in patients with Brugada syndrome.
Letsas KP, Sacher F, Probst V, Weber R, Knecht S, Kalusche D, Haïssaguerre M, Arentz T.
Heart Rhythm. 2008 Dec;5(12):1685-9. doi: 10.1016/j.hrthm.2008.09.021. Epub 2008 Sep 23.
PMID: 19084806 [PubMed - indexed for MEDLINE]

137. Clinical characteristics of patients with drug-induced QT interval prolongation and torsade de pointes: identification of risk factors.
Letsas KP, Efremidis M, Kounas SP, Pappas LK, Gavrielatos G, Alexanian IP, Dimopoulos NP, Filippatos GS, Sideris A, Kardaras F.
Clin Res Cardiol. 2009 Apr;98(4):208-12. doi: 10.1007/s00392-008-0741-y. Epub 2008 Nov 24.
PMID: 19031039 [PubMed - indexed for MEDLINE]

138. Histological recognition and classification of the atrioventricular node artery variants: a new approach.
Nerantzis CE, Gavrielatos G, Kalogrias N, Pappas LK, Letsas KP, Karakoukis NG, Koutsaftis PN.
Cardiovasc Pathol. 2009 Nov-Dec;18(6):346-51. doi: 10.1016/j.carpath.2008.09.006. Epub 2008 Nov 20.
PMID: 19026574 [PubMed - indexed for MEDLINE]

139. Pre-ablative predictors of atrial fibrillation recurrence following pulmonary vein isolation: the potential role of inflammation.
Letsas KP, Weber R, Bürkle G, Mihas CC, Minners J, Kalusche D, Arentz T.
Europace. 2009 Feb;11(2):158-63. doi: 10.1093/europace/eun309. Epub 2008 Nov 13.
PMID: 19010799 [PubMed - indexed for MEDLINE]

140. Determinants of plasma NT-pro-BNP levels in patients with atrial fibrillation and preserved left ventricular ejection fraction.
Letsas KP, Filippatos GS, Pappas LK, Mihas CC, Markou V, Alexanian IP, Efremidis M, Sideris A, Maisel AS, Kardaras F.
Clin Res Cardiol. 2009 Feb;98(2):101-6. doi: 10.1007/s00392-008-0728-8. Epub 2008 Oct 30.
PMID: 18975023 [PubMed - indexed for MEDLINE]

141. ECG findings of acute myocardial infarction and atrioventricular block during a transseptal procedure for left atrial ablation.
Efremidis M, Letsas KP, Xydonas S, Koutras K, Sideris A, Kardaras F.
Hellenic J Cardiol. 2008 Jul-Aug;49(4):284-7.
PMID: 18935717 [PubMed - indexed for MEDLINE] Free Article

142. Catheter ablation of recipient-to-donor atrioatrial conduction with Wenckebach-like phenomenon after orthotopic heart transplantation.
Letsas KP, Weber R, Arentz T, Kalusche D.
J Heart Lung Transplant. 2008 Aug;27(8):917-20. doi: 10.1016/j.healun.2008.05.010. Epub 2008 Jun 24.
PMID: 18656808 [PubMed - indexed for MEDLINE]

143. Neurally mediated susceptibility in individuals with Brugada-type ECG pattern.
Letsas KP, Efremidis M, Gavrielatos G, Filippatos GS, Sideris A, Kardaras F.
Pacing Clin Electrophysiol. 2008 Apr;31(4):418-21. doi: 10.1111/j.1540-8159.2008.01010.x.
PMID: 18373759 [PubMed - indexed for MEDLINE]

144. Neurocardiogenic injury in subarachnoid hemorrhage.
Letsas KP, Gavrielatos G, Sideris A.
J Emerg Med. 2008 Oct;35(3):315-6. doi: 10.1016/j.jemermed.2007.10.023. Epub 2008 Mar 19. No abstract available.
PMID: 18353599 [PubMed - indexed for MEDLINE]

145. Ablation of atrial fibrillation in patients with heart failure: reversal of atrial and ventricular remodelling.
Efremidis M, Sideris A, Xydonas S, Letsas KP, Alexanian IP, Manolatos D, Mihas CC, Filippatos GS, Kardaras F.
Hellenic J Cardiol. 2008 Jan-Feb;49(1):19-25.
PMID: 18350778 [PubMed - indexed for MEDLINE] Free Article

146. Reversal of premature ventricular complex-induced cardiomyopathy following successful radiofrequency catheter ablation.
Efremidis M, Letsas KP, Sideris A, Kardaras F.
Europace. 2008 Jun;10(6):769-70. doi: 10.1093/europace/eun060. Epub 2008 Mar 12.
PMID: 18339610 [PubMed - indexed for MEDLINE]

147. Large left atrial myxoma presented as fever of unknown origin: a challenging diagnosis and a review of the literature.
Gavrielatos G, Letsas KP, Pappas LK, Dedeilias P, Sioras E, Kardaras F.
Cardiovasc Pathol. 2007 Nov-Dec;16(6):365-7. Epub 2007 Feb 22. Review.
PMID: 18005878 [PubMed - indexed for MEDLINE]

148. The natural history of arrhythmogenic right ventricular cardiomyopathy.
Letsas KP, Gavrielatos G, Efremidis M, Sideris A, Kardaras F.
Am Heart Hosp J. 2007 Fall;5(4):259-62.
PMID: 17982306 [PubMed - indexed for MEDLINE]

149. Drug-induced long QT syndrome.
Letsas KP, Efremidis M, Filippatos GS, Sideris AM.
Hellenic J Cardiol. 2007 Sep-Oct;48(5):296-9. Review. No abstract available.
PMID: 17966685 [PubMed - indexed for MEDLINE] Free Article

150. Prevalence of Brugada sign in a Greek tertiary hospital population.
Letsas KP, Gavrielatos G, Efremidis M, Kounas SP, Filippatos GS, Sideris A, Kardaras F.
Europace. 2007 Nov;9(11):1077-80. Epub 2007 Oct 11.
PMID: 17932024 [PubMed - indexed for MEDLINE]

151. Post-mortem angiographic and histologic findings of coronary artery fibromuscular dysplasia.
Nerantzis CE, Kalogrias NF, Letsas KP, Gavrielatos G, Salachas AJ, Antonellis I, Koutsaftis PN.
Int J Cardiol. 2007 Nov 30;122(3):e32-5. Epub 2007 Oct 1.
PMID: 17905452 [PubMed - indexed for MEDLINE]

152. Prevalence of paroxysmal atrial fibrillation in Brugada syndrome: a case series and a review of the literature.
Letsas KP, Sideris A, Efremidis M, Pappas LK, Gavrielatos G, Filippatos GS, Kardaras F.
J Cardiovasc Med (Hagerstown). 2007 Oct;8(10):803-6. Review.
PMID: 17885518 [PubMed - indexed for MEDLINE]

153. Sotalol unmasks susceptibility to drug-induced long QT syndrome and torsades de pointes.
Letsas KP, Efremidis M, Sideris A.
Int J Cardiol. 2008 Mar 14;124(3):366-7; author reply 368-9. Epub 2007 Apr 2. No abstract available.
PMID: 17400314 [PubMed - indexed for MEDLINE]

154. Brugada electrocardiographic pattern induced during febrile state with marked leukocytosis.
Gavrielatos G, Letsas KP, Pappas LK, Efremidis M, Sideris A, Kardaras F.
Pacing Clin Electrophysiol. 2007 Jan;30(1):135-6.
PMID: 17241329 [PubMed - indexed for MEDLINE]

155. Acute myocardial infarction with normal coronary arteries in a patient with Hodgkin's disease: a late complication of irradiation and chemotherapy.
Letsas KP, Korantzopoulos P, Evangelou D, Pappas LK, Kardaras F.
Tex Heart Inst J. 2006;33(4):512-4.
PMID: 17215984 [PubMed - indexed for MEDLINE] Free PMC Article

156. Fine-needle aspiration biopsy-RT-PCR expression analysis of prothymosin alpha and parathymosin in thyroid: novel proliferation markers?
Letsas KP, Vartholomatos G, Tsepi C, Tsatsoulis A, Frangou-Lazaridis M.
Neoplasma. 2007;54(1):57-62.
PMID: 17203893 [PubMed - indexed for MEDLINE]

157. Pathophysiology and management of syncope in Kearns-Sayre syndrome.
Letsas KP, Efremidis M, Pappas LK, Gavrielatos G, Sideris A, Charitos C.
Am Heart Hosp J. 2006 Fall;4(4):301-2.
PMID: 17086014 [PubMed - indexed for MEDLINE]

158. ST-segment elevation induced during the transseptal procedure for radiofrequency catheter ablation of atrial fibrillation.
Letsas KP, Pappas LK, Gavrielatos G, Efremidis M, Sideris A, Kardaras F.
Int J Cardiol. 2007 Jan 2;114(1):e12-4. Epub 2006 Oct 17.
PMID: 17049645 [PubMed - indexed for MEDLINE]

159. Secondary prevention of sudden cardiac death in coronary artery spasm: is implantable cardioverter defibrillator always efficient?
Letsas KP, Filippatos GS, Efremidis M, Sideris A, Kardaras F.
Int J Cardiol. 2007 Apr 12;117(1):141-3. Epub 2006 Oct 12.
PMID: 17046086 [PubMed - indexed for MEDLINE]

160. Anomalous origin of the entire coronary system with separate ostia within the right sinus of valsalva: a rare congenital anomaly and a review of the literature.
Gavrielatos G, Letsas KP, Pappas LK, Antonellis I, Kardaras F.
Cardiology. 2007;107(3):209-12. Epub 2006 Aug 23. Review.
PMID: 16946599 [PubMed - indexed for MEDLINE]

161. Swimming-triggered aborted sudden cardiac death in a patient with Andersen-Tawil syndrome.
Efremidis M, Pappas LK, Sideris A, Letsas KP, Gavrielatos GD, Kardaras F.
Int J Cardiol. 2006 Sep 20;112(2):e45-7. Epub 2006 Jul 21.
PMID: 16859779 [PubMed - indexed for MEDLINE]

162. Giant left atrium secondary to rheumatic mitral valve disease.
Letsas KP, Sideris A, Kounas SP, Pappas LK, Kardaras F.
Am J Geriatr Cardiol. 2006 Jul-Aug;15(4):253-4. No abstract available.
PMID: 16849894 [PubMed - indexed for MEDLINE]

163. Open ended circulation pattern: a rare case of a protective coronary artery variation and review of the literature.
Gavrielatos G, Letsas KP, Pappas LK, Markou V, Antonellis J, Tavernarakis A, Kardaras F.
Int J Cardiol. 2006 Oct 10;112(3):e63-5. Epub 2006 Jul 17.
PMID: 16844248 [PubMed - indexed for MEDLINE]

164. Enterovirus-induced fulminant myocarditis and hemophagocytic syndrome.
Letsas KP, Filippatos GS, Delimpasi S, Spanakis N, Kounas SP, Efremidis M, Tsakris A, Kardaras F.
J Infect. 2007 Feb;54(2):e75-7. Epub 2006 Jun 2.
PMID: 16733067 [PubMed - indexed for MEDLINE]

165. Fine needle aspiration biopsy-RT-PCR molecular analysis of thyroid nodules: a useful preoperative diagnostic tool.
Letsas KP, Andrikoula M, Tsatsoulis A.
Minerva Endocrinol. 2006 Jun;31(2):179-82. Review.
PMID: 16682941 [PubMed - indexed for MEDLINE]

166. Surfing on prothymosin alpha proliferation and anti-apoptotic properties.
Letsas KP, Frangou-Lazaridis M.
Neoplasma. 2006;53(2):92-6. Review.
PMID: 16575463 [PubMed - indexed for MEDLINE]

167. QT interval prolongation associated with venlafaxine administration.
Letsas K, Korantzopoulos P, Pappas L, Evangelou D, Efremidis M, Kardaras F.
Int J Cardiol. 2006 Apr 28;109(1):116-7.
PMID: 16574528 [PubMed - indexed for MEDLINE]

168. Early repolarization syndrome: is it always benign?
Letsas KP, Efremidis M, Pappas LK, Gavrielatos G, Markou V, Sideris A, Kardaras F.
Int J Cardiol. 2007 Jan 18;114(3):390-2. Epub 2006 Mar 30.
PMID: 16574260 [PubMed - indexed for MEDLINE]

169. QT interval prolongation and Torsades de Pointes in a patient receiving zolpidem and amiodarone.
Letsas KP, Filippatos GS, Kounas SP, Efremidis M, Sideris A, Kardaras F.
Cardiology. 2006;105(3):146-7. Epub 2006 Jan 4. No abstract available.
PMID: 16449812 [PubMed - indexed for MEDLINE]

170. Giant left-ventricular pseudoaneurysm following silent myocardial infarction.
Evangelou D, Letsas KP, Gavrielatos G, Alexanian IP, Pappas LK, Sioras E, Kardaras F.
Cardiology. 2006;105(3):137-8. Epub 2006 Jan 20. No abstract available.
PMID: 16428885 [PubMed - indexed for MEDLINE]

171. Primary antiphospholipid syndrome and factor V Leiden mutation in a young patient with non-bacterial thrombotic endocarditis and transient ischemic stroke.
Letsas KP, Filippatos GS, Kounas SP, Pappas LK, Gavrielatos G, Kardaras F.
Thromb Haemost. 2005 Dec;94(6):1331-2. No abstract available.
PMID: 16411415 [PubMed - indexed for MEDLINE]

172. Hypertrophic cardiomyopathy in a patient with Crohn's disease: a case report.
Letsas KP, Kounas SP, Evangelou D, Pappas LK, Efremidis M, Sideris A, Kardaras F.
Int J Cardiol. 2007 Jan 2;114(1):108-10. Epub 2005 Dec 20.
PMID: 16364468 [PubMed - indexed for MEDLINE]

173. Transcription factor-mediated proliferation and apoptosis in benign and malignant thyroid lesions.
Letsas KP, Frangou-Lazaridis M, Skyrlas A, Tsatsoulis A, Malamou-Mitsi V.
Pathol Int. 2005 Nov;55(11):694-702.
PMID: 16271081 [PubMed - indexed for MEDLINE]

174. QT interval prolongation and torsade de pointes associated with indapamide.
Letsas KP, Alexanian IP, Pappas LK, Kounas SP, Efremidis M, Sideris A, Kardaras F.
Int J Cardiol. 2006 Oct 10;112(3):373-4. Epub 2005 Nov 2.
PMID: 16260053 [PubMed - indexed for MEDLINE]

175. Spontaneous coronary artery dissection associated with oral contraceptive use: a case report and review of the literature.
Evangelou D, Letsas KP, Korantzopoulos P, Antonellis I, Sioras E, Kardaras F.
Int J Cardiol. 2006 Oct 10;112(3):380-2. Epub 2005 Oct 26. Review.
PMID: 16256224 [PubMed - indexed for MEDLINE]

176. Right atrial thrombosis mimicking myxoma in a patient with primary antiphospholipid syndrome.
Letsas K, Kounas S, Pappas L, Efremidis M, Kardaras F.
Minerva Cardioangiol. 2005 Aug;53(4):337-8. No abstract available.
PMID: 16177680 [PubMed - indexed for MEDLINE]

177. Exercise-induced second-degree atrioventricular block.
Pappas LK, Efremidis M, Sideris A, Letsas KP, Kounas SP, Kardaras F.
Int J Cardiol. 2006 Aug 28;111(3):461-3. Epub 2005 Aug 3.
PMID: 16083979 [PubMed - indexed for MEDLINE]

178. Drug-induced QT interval prolongation after ciprofloxacin administration in a patient receiving olanzapine.
Letsas KP, Sideris A, Kounas SP, Efremidis M, Korantzopoulos P, Kardaras F.
Int J Cardiol. 2006 May 10;109(2):273-4. Epub 2005 Jun 1.
PMID: 15935493 [PubMed - indexed for MEDLINE]

179. QT interval prolongation and torsades de pointes due to a coadministration of metronidazole and amiodarone.
Kounas SP, Letsas KP, Sideris A, Efraimidis M, Kardaras F.
Pacing Clin Electrophysiol. 2005 May;28(5):472-3.
PMID: 15869686 [PubMed - indexed for MEDLINE]

180. Thoracic actinomycosis as a cause of superior vena cava syndrome: report of a case.
Kotoulas C, Foroulis C, Letsas K, Papamichalis G, Lioulias A.
Surg Today. 2004;34(5):447-9.
PMID: 15108086 [PubMed - indexed for MEDLINE]

181. Bilious pericardial effusion at initial presentation in a patient with lung cancer.
Kotoulas CS, Foroulis C, Letsas K, Kostikas K, Konstantinou M.
World J Surg Oncol. 2003 Nov 8;1(1):24.
PMID: 14613553 [PubMed - as supplied by publisher] Free PMC Article

 

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