Demosthenes Katritsis

Summary

Affiliation: Athens Euroclinic
Country: Greece

Publications

  1. doi request reprint Long-term follow-up after radiofrequency catheter ablation for atrial fibrillation
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 10:419-24. 2008
  2. doi request reprint Autonomic denervation added to pulmonary vein isolation for paroxysmal atrial fibrillation: a randomized clinical trial
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece Electronic address
    J Am Coll Cardiol 62:2318-25. 2013
  3. doi request reprint Classification of electrophysiological types of atrioventricular nodal re-entrant tachycardia: a reappraisal
    Demosthenes G Katritsis
    Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 15:1231-40. 2013
  4. doi request reprint Prognostic significance of ambulatory ECG monitoring for ventricular arrhythmias
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece Electronic address
    Prog Cardiovasc Dis 56:133-42. 2013
  5. doi request reprint Effect of left ventricular ejection fraction and QRS duration on the survival benefit of implantable cardioverter-defibrillators: meta-analysis of primary prevention trials
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Heart Rhythm 10:200-6. 2013
  6. doi request reprint Nonsustained ventricular tachycardia
    Demosthenes G Katritsis
    Athens Euroclinic, Athens, Greece
    J Am Coll Cardiol 60:1993-2004. 2012
  7. doi request reprint Flow patterns at stented coronary bifurcations: computational fluid dynamics analysis
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou St, Athens, Greece
    Circ Cardiovasc Interv 5:530-9. 2012
  8. doi request reprint Sudden cardiac death and implantable cardioverter defibrillators: two modern epidemics?
    Demosthenes G Katritsis
    Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 14:787-94. 2012
  9. ncbi request reprint Retrograde slow pathway conduction in patients with atrioventricular nodal re-entrant tachycardia
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou St, Athens 11521, Greece
    Europace 9:458-65. 2007
  10. ncbi request reprint Inducible supraventricular tachycardias in patients referred for catheter ablation of atrial fibrillation
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Europace 9:785-9. 2007

Collaborators

Detail Information

Publications109 found, 100 shown here

  1. doi request reprint Long-term follow-up after radiofrequency catheter ablation for atrial fibrillation
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 10:419-24. 2008
    ..This report aimed at presenting clinical outcome and AF-free survival after pulmonary vein (PV) isolation over an extended (>3 years) follow-up period...
  2. doi request reprint Autonomic denervation added to pulmonary vein isolation for paroxysmal atrial fibrillation: a randomized clinical trial
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece Electronic address
    J Am Coll Cardiol 62:2318-25. 2013
    ....
  3. doi request reprint Classification of electrophysiological types of atrioventricular nodal re-entrant tachycardia: a reappraisal
    Demosthenes G Katritsis
    Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 15:1231-40. 2013
    ....
  4. doi request reprint Prognostic significance of ambulatory ECG monitoring for ventricular arrhythmias
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece Electronic address
    Prog Cardiovasc Dis 56:133-42. 2013
    ..In addition, Holter monitoring can be used for risk stratification of patients, in the context of the prognostic value of non-sustained ventricular arrhythmias in various clinical settings, as discussed in detail. ..
  5. doi request reprint Effect of left ventricular ejection fraction and QRS duration on the survival benefit of implantable cardioverter-defibrillators: meta-analysis of primary prevention trials
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Heart Rhythm 10:200-6. 2013
    ....
  6. doi request reprint Nonsustained ventricular tachycardia
    Demosthenes G Katritsis
    Athens Euroclinic, Athens, Greece
    J Am Coll Cardiol 60:1993-2004. 2012
    ..The management of patients with NSVT is aimed at treating the underlying heart disease...
  7. doi request reprint Flow patterns at stented coronary bifurcations: computational fluid dynamics analysis
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou St, Athens, Greece
    Circ Cardiovasc Interv 5:530-9. 2012
    ..The ideal bifurcation stenting technique is not established, and data on the hemodynamic characteristics at stented bifurcations are limited...
  8. doi request reprint Sudden cardiac death and implantable cardioverter defibrillators: two modern epidemics?
    Demosthenes G Katritsis
    Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 14:787-94. 2012
    ..Recommendations by current guidelines may result in unnecessary overuse of ICD...
  9. ncbi request reprint Retrograde slow pathway conduction in patients with atrioventricular nodal re-entrant tachycardia
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou St, Athens 11521, Greece
    Europace 9:458-65. 2007
    ..To study retrograde slow pathway conduction by means of right- and left-sided septal mapping...
  10. ncbi request reprint Inducible supraventricular tachycardias in patients referred for catheter ablation of atrial fibrillation
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Europace 9:785-9. 2007
    ..To investigate the prevalence of underlying, inducible supraventricular arrhythmias in patients referred for ablation of atrial fibrillation (AF)...
  11. ncbi request reprint A novel technique for placement of coronary sinus pacing leads in cardiac resynchronization therapy
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 9:878-9. 2007
    ..A hydrophilic angioplasty wire is then utilized for the negotiation of the inferior left ventricular vein and successful placement of the left ventricular pacing lead...
  12. ncbi request reprint The atrioventricular nodal reentrant tachycardia circuit: a proposal
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Heart Rhythm 4:1354-60. 2007
    ..In the present article, we summarize the available evidence and propose a comprehensive model of the tachycardia circuit for all forms of atrioventricular nodal reentrant tachycardia based on the concept of atrionodal inputs...
  13. ncbi request reprint Upper and lower common pathways in atrioventricular nodal reentrant tachycardia: refutation of a legend?
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens, Greece
    Pacing Clin Electrophysiol 30:1305-8. 2007
    ..The mechanism and relevance of these concepts remain speculative...
  14. pmc Anatomic characteristics of culprit sites in acute coronary syndromes
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Interv Cardiol 21:140-50. 2008
    ..A detailed analysis of the anatomic relationships of the site of culprit lesions that have resulted in acute coronary syndromes (ACS) has not been reported...
  15. ncbi request reprint Hemodynamic factors and atheromatic plaque rupture in the coronary arteries: from vulnerable plaque to vulnerable coronary segment
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, University of Athens, Athens, Greece
    Coron Artery Dis 18:229-37. 2007
    ....
  16. ncbi request reprint The role of coronary angioplasty in the management of patients with stable coronary artery disease
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Str, 115 21 Athens, Greece
    Cardiovasc Hematol Disord Drug Targets 7:15-20. 2007
    ..The development of more efficient methods for the identification of coronary lesions that should be the target of coronary intervention is certainly needed...
  17. ncbi request reprint Wall shear stress: theoretical considerations and methods of measurement
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Prog Cardiovasc Dis 49:307-29. 2007
    ....
  18. ncbi request reprint Electrophysiological effects of intracoronary transplantation of autologous mesenchymal and endothelial progenitor cells
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 9:167-71. 2007
    ....
  19. ncbi request reprint Thrombosis of drug-eluting stents: fact or fiction?
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Hellenic J Cardiol 47:324-8. 2006
  20. ncbi request reprint Staged circumferential and ostial pulmonary vein ablation for the treatment of paroxysmal atrial fibrillation
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Pacing Clin Electrophysiol 30:102-8. 2007
    ..The aim of this study was to evaluate a staged ablation procedure, every step of which was assessed by means of AF inducibility...
  21. ncbi request reprint Direct versus predilatation drug-eluting stenting: a randomized clinical trial
    Demosthenes G Katritsis
    Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    J Invasive Cardiol 18:475-9. 2006
    ..This study was designed to compare direct stenting with balloon predilatation followed by stent placement using only drug-eluting stents...
  22. ncbi request reprint Atrial arrhythmias following ostial or circumferential pulmonary vein ablation
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou St, Athens, 11521 Greece
    J Interv Card Electrophysiol 16:123-30. 2006
    ..This report describes the incidence and management of atrial arrhythmias occurring after various techniques for the ablative therapy of atrial fibrillation (AF)...
  23. ncbi request reprint Atrial activation during atrioventricular nodal reentrant tachycardia: studies on retrograde fast pathway conduction
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Heart Rhythm 3:993-1000. 2006
    ....
  24. doi request reprint Clinical outcome of left atrial ablation for paroxysmal atrial fibrillation is related to the extent of radiofrequency ablation
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    J Interv Card Electrophysiol 22:31-7. 2008
    ..We investigated whether the extent of atrial damage conferred by radiofrequency lesions is a predictor of success after ablation, regardless of the method employed for ablation...
  25. doi request reprint Cellular replacement therapy for arrhythmia treatment: early clinical experience
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    J Interv Card Electrophysiol 22:99-105. 2008
    ..However, clinical experience is limited...
  26. doi request reprint Catheter ablation of atrial fibrillation guided by electrogram fractionation and dominant frequency analysis
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 115 21 Athens, Greece
    Expert Rev Cardiovasc Ther 9:631-6. 2011
    ..The concept of electrogram-based catheter ablation of AF by identifying complex fractionated electrograms and dominant frequency sites is valid only if these sites are temporally stable...
  27. doi request reprint Ruptured versus stable plaques in human coronary arteries
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Coron Artery Dis 22:345-51. 2011
    ..To derive a model for the identification of left anterior descending (LAD) coronary artery stenoses predisposed to plaque rupture and thrombosis...
  28. doi request reprint Rapid pulmonary vein isolation combined with autonomic ganglia modification: a randomized study
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Heart Rhythm 8:672-8. 2011
    ..Evidence indicates that the combination of left atrial ganglionated plexi (GP) ablation and pulmonary vein (PV) isolation is beneficial for treatment of paroxysmal atrial fibrillation (AF)...
  29. doi request reprint An approach to left septal slow pathway ablation
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou St, Athens 11521, Greece
    J Interv Card Electrophysiol 30:73-9. 2011
    ..Slow pathway ablation or modification eliminates typical atrioventricular nodal re-entrant tachycardia (AVNRT), but in less than 5% of patients cannot be accomplished from the right side...
  30. doi request reprint Antiendothelial cell antibodies in patients with coronary artery ectasia
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Coron Artery Dis 21:352-6. 2010
    ..Circulating antiendothelial cell antibodies (AECA) are often detectable in systemic vasculitis and have been implicated in the pathogenesis of endothelial injury. Their prevalence in CAE is not known...
  31. doi request reprint Vortex formation and recirculation zones in left anterior descending artery stenoses: computational fluid dynamics analysis
    D G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Phys Med Biol 55:1395-411. 2010
    ..CFD simulations in a reconstructed model of stenotic LAD segments indicate that specific anatomic characteristics create zones of vortices and flow recirculation that promote thrombus formation and potentially myocardial infarction...
  32. doi request reprint Use of a circular mapping and ablation catheter for ablation of atypical right ventricular outflow tract arrhythmia
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 12:277-8. 2010
    ..A new circular mapping and ablation catheter initially designed for pulmonary vein ablation was used. Abolition of ectopic activity was achieved with minimal fluoroscopy and ablation times...
  33. doi request reprint Three-dimensional analysis of vulnerable segments in the left anterior descending artery
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Coron Artery Dis 20:199-206. 2009
    ..This study aimed at performing a three-dimensional analysis of recanalized left anterior descending (LAD) coronary arteries in patients who had suffered an anterior ST-elevation myocardial infarction (STEMI)...
  34. doi request reprint Complex fractionated atrial electrograms at anatomic sites of ganglionated plexi in atrial fibrillation
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 11:308-15. 2009
    ..To investigate the relationship of complex fractionated atrial electrograms (CFAEs) with the activity of the ganglionated plexi (GP) in the cardiac autonomic nervous system...
  35. doi request reprint Percutaneous coronary intervention for stable coronary artery disease
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Am Coll Cardiol 52:889-93. 2008
    ..Operators should take into account long-term consequences of adopted techniques rather than immediate angiographic results. We review existing evidence and provide our recommendations in this setting...
  36. doi request reprint Regional endocardial left atrial voltage and electrogram fractionation in patients with atrial fibrillation
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Cardiovasc Electrophysiol 19:1254-8. 2008
    ..This study aimed at investigating endocardial voltage in different regions of the left atrium in patients with atrial fibrillation (AF)...
  37. doi request reprint Anatomic approach for ganglionic plexi ablation in patients with paroxysmal atrial fibrillation
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Am J Cardiol 102:330-4. 2008
    ..0 to 6.6, p = 0.038). In conclusion, anatomically guided GP ablation is feasible and safe in the electrophysiology laboratory, but this approach yields inferior clinical results compared with circumferential ablation...
  38. doi request reprint Anatomically left-sided septal slow pathway ablation in dextrocardia and situs inversus totalis
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 10:1004-5. 2008
    ....
  39. doi request reprint Catheter ablation of atrial fibrillation: for whom and how?
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Angiology 59:103S-6S. 2008
    ..Electrogram-guided and combined approaches are also used, particularly in patients with persistent atrial fibrillation, whereas new methods such as autonomic denervation are under investigation...
  40. doi request reprint Three-dimensional analysis of the left anterior descending coronary artery: comparison with conventional coronary angiograms
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Coron Artery Dis 19:265-70. 2008
    ..This study aimed at comparing three-dimensional (3-D) reconstruction with two-dimensional coronary angiograms with respect to anatomical parameters that might affect plaque formation and rupture...
  41. doi request reprint Spot drug-eluting stenting for long coronary stenoses: long-term results of a randomized clinical study
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Interv Cardiol 24:437-41. 2011
    ..In the present study, we report long-term results of this trial...
  42. ncbi request reprint Does diagnostic coronary angiography induce significant coronary microembolization in stable, ischemic patients? A prospective study
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Interv Cardiol 19:346-9. 2006
    ..The aim of the study was to investigate whether diagnostic coronary angiography results in coronary microembolization and consequent subtle, subclinical myocardial necrosis with enzyme elevations...
  43. doi request reprint Optimal timing of coronary angiography and potential intervention in non-ST-elevation acute coronary syndromes
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Str, Athens, Greece
    Eur Heart J 32:32-40. 2011
    ....
  44. ncbi request reprint Comparison of effectiveness of carvedilol versus bisoprolol for maintenance of sinus rhythm after cardioversion of persistent atrial fibrillation
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Am J Cardiol 92:1116-9. 2003
    ..86) lower risk of relapse of AF compared with patients in the bisoprolol group, although results were statistically insignificant (p = 0.661) after controlling for patient age, gender, baseline heart rate, and left atrial diameter...
  45. ncbi request reprint Sirolimus-versus paclitaxel-eluting stents: a comparison of two consecutive series in routine clinical practice
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Interv Cardiol 19:31-7. 2006
    ..We compared two consecutive series of patients treated with sirolimus-eluting stents (SES) or paclitaxel-eluting stents (PES)...
  46. doi request reprint Association of neutrophil gelatinase-associated lipocalin with the severity of coronary artery disease
    Theodoros Zografos
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Am J Cardiol 104:917-20. 2009
    ..Further clinical studies are needed to confirm the use of NGAL as a biomarker for the detection and extent of CAD...
  47. ncbi request reprint Comparison of enoxaparin and unfractionated heparin in coronary angioplasty
    Socrates Korovesis
    Cardiology Department, Athens Euroclinic, Athens, Greece
    Hellenic J Cardiol 46:46-51. 2005
    ....
  48. ncbi request reprint Proarrhythmic effects of atrial fibrillation ablation techniques
    Eleftherios Giazitzoglou
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Hellenic J Cardiol 47:211-7. 2006
    ..The incidence of proarrhythmia induced by ablation for atrial fibrillation (AF) is not entirely known. We describe the incidence and management of atrial arrhythmias occurring after various techniques for the ablative therapy of AF...
  49. doi request reprint Measurement of systolic and diastolic arterial wall shear stress in the ascending aorta
    Efstathios P Efstathopoulos
    Second Department of Radiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
    Phys Med 24:196-203. 2008
    ..The purpose of this work is to present in vivo systolic and diastolic WSS calculations in the human ascending aorta by the application of three straightforward methodologies based on Poiseuille's theory of flow...
  50. ncbi request reprint Epicardial foci of atrial arrhythmias apparently originating in the left pulmonary veins
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, Greece
    J Cardiovasc Electrophysiol 13:319-23. 2002
    ....
  51. doi request reprint Prevalence and potential mechanisms of sustained ventricular arrhythmias during dobutamine stress echocardiography: a literature review
    Ilias Karabinos
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Am Soc Echocardiogr 21:1376-81. 2008
    ..The clinical significance of dobutamine stress echocardiography-induced sustained ventricular tachycardia is uncertain, and this condition probably does not represent an adverse prognostic sign...
  52. doi request reprint Catheter ablation of atrial fibrillation the search for substrate-driven end points
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Am Coll Cardiol 55:2293-8. 2010
    ..We also provide a paradigm for the future development of novel substrate-driven procedural end points...
  53. doi request reprint Wall shear stress calculation in ascending aorta using phase contrast magnetic resonance imaging. Investigating effective ways to calculate it in clinical practice
    Efstathios P Efstathopoulos
    2nd Department of Radiology, Medical School, University of Athens, Rimini 1, Chaidari, 12464 Athens, Greece
    Phys Med 24:175-81. 2008
    ..This study aimed at investigating whether the most straightforward and easier to apply of these methods give comparable results in clinical practice...
  54. ncbi request reprint Acute changes in N-terminal pro-brain natriuretic peptide induced by dobutamine stress echocardiography
    Ilias Karabinos
    Department of Cardiology, Athens Euroclinic, 9 Athanasiadou Street, Athens 11521, Greece
    Eur J Echocardiogr 8:265-74. 2007
    ..Aim of the study was to determine the effect of dobutamine stress echocardiography (DSE)-induced ischemia on circulating levels of N-terminal fragment of B-type natriuretic peptide (NT-pro-BNP)...
  55. ncbi request reprint Drug-eluting stents: immediate and long-term results
    Socrates Korovesis
    Cardiology Department, Athens Euroclinic, Greece
    Hellenic J Cardiol 46:330-5. 2005
    ..In this study we present our findings from a series of patients who underwent coronary angioplasty and implantation of drug-eluting stents with rapamycin or paclitaxel...
  56. ncbi request reprint Comparison of the transseptal approach to the transaortic approach for ablation of left-sided accessory pathways in patients with Wolff-Parkinson-White syndrome
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Am J Cardiol 91:610-3. 2003
  57. ncbi request reprint Recurrence of left atrium-pulmonary vein conduction following successful disconnection in asymptomatic patients
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 6:425-32. 2004
    ..The clinical significance of conduction recurrences in isolated pulmonary veins of patients with atrial fibrillation is not established...
  58. doi request reprint Autonomic modulation of complex fractionated atrial electrograms in patients with paroxysmal atrial fibrillation
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens, 11521, Greece
    J Interv Card Electrophysiol 31:217-23. 2011
    ..This study aimed at investigating the contribution of parasympathetic activity to formation of CFAE...
  59. ncbi request reprint Organised atrial fibrillation simulating atrial flutter
    Eleftherios Giazitzoglou
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Hellenic J Cardiol 47:123-7. 2006
    ..On electrophysiological study, careful mapping revealed that the regular rhythm actually represented organised slow atrial fibrillation. Circumferential pulmonary vein ablation resulted in the abolition of both arrhythmias...
  60. ncbi request reprint Conduction patterns in the cardiac veins: electrophysiologic characteristics of the connections between left atrial and coronary sinus musculature
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Interv Card Electrophysiol 10:51-8. 2004
    ..The pattern of circumferential activation in the CS has not been investigated. Furthermore, no data exist on conduction characteristics within the great cardiac vein (GCV) or the middle cardiac vein (MCV)...
  61. ncbi request reprint Subacute thrombosis following implantation of zotarolimus-eluting stent
    Socrates Korovesis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Hellenic J Cardiol 47:310-2. 2006
    ....
  62. ncbi request reprint The natural history of a penetrating atherosclerotic ulcer at the aortic arch
    Ilias K Karabinos
    Cardiology Department, Athens Euroclinic, Greece
    Hellenic J Cardiol 47:308-9. 2006
  63. ncbi request reprint Cryoablation versus radiofrequency ablation for atrioventricular nodal reentrant tachycardia in children: long-term results
    John Papagiannis
    Division of Pediatric Cardiology, Mitera Children s Hospital, Athens, Greece
    Hellenic J Cardiol 51:122-6. 2010
    ..We sought to compare the long-term outcomes of cryoablation (Cryo) vs. radiofrequency (RF) ablation for the treatment of AVNRT in children...
  64. ncbi request reprint In vivo wall shear stress measurements using phase-contrast MRI
    Ioannis Pantos
    Athens Euroclinic, Department of Cardiology, 9 Athanassiadou St, Athens 11521, Greece
    Expert Rev Cardiovasc Ther 5:927-38. 2007
    ....
  65. ncbi request reprint Spontaneous coronary artery dissection during a dobutamine stress echocardiography
    Ilias Karabinos
    Cardiology Department Echo Laboratory, Euroclinic of Athens, Athens, Greece
    Echocardiography 23:232-4. 2006
    ..Immediate coronary angiogram revealed a minor dissection of the distal part of the right coronary artery...
  66. ncbi request reprint Both ramipril and telmisartan reverse indices of early diabetic cardiomyopathy: a comparative study
    Phivos Symeonides
    Department of Cardiology, Euroclinic Hospital, Athens, Greece
    Eur J Echocardiogr 8:480-6. 2007
    ..We tested the hypothesis that renin-angiotensin system inhibition could reverse left ventricular diastolic dysfunction in patients with type 2 diabetes...
  67. ncbi request reprint Reperfusion in acute myocardial infarction: current concepts
    Demosthenes Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Prog Cardiovasc Dis 45:481-92. 2003
    ..The efficacy and safety of this approach are currently evaluated in several ongoing trials...
  68. ncbi request reprint Stent thrombosis four and a half years after implantation of a sirolimus-eluting stent
    Socrates Korovesis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Hellenic J Cardiol 50:423-5. 2009
    ..This case underlines the possible need for long-term antiplatelet medication in patients receiving sirolimus-eluting stents...
  69. ncbi request reprint Transcoronary transplantation of autologous mesenchymal stem cells and endothelial progenitors into infarcted human myocardium
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Catheter Cardiovasc Interv 65:321-9. 2005
    ..Intracoronary transplantation of MSCs and EPCs is feasible, safe, and may contribute to regional regeneration of myocardial tissue early or late following MI...
  70. ncbi request reprint Is isolation of all four pulmonary veins necessary in patients with paroxysmal atrial fibrillation?
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Pacing Clin Electrophysiol 27:938-40. 2004
    ..Such a staged approach might offer slightly lower success rates but with a significantly lower radiation exposure and procedural time and at a smaller risk of ablation induced PV stenosis...
  71. ncbi request reprint Right and left inferior extensions of the atrioventricular node may represent the anatomic substrate of the slow pathway in humans
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Greece
    Heart Rhythm 1:582-6. 2004
    ..The purpose of this study was to investigate the electrophysiologic characteristics of the inferior extensions of the human atrioventricular (AV) node and their possible relationship to slow pathway conduction...
  72. ncbi request reprint Effect of slow pathway ablation in atrioventricular nodal reentrant tachycardia on the electrophysiologic characteristics of the inferior atrial inputs to the human atrioventricular node
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Greece
    Am J Cardiol 97:860-5. 2006
    ....
  73. doi request reprint Two and three-dimensional quantitative coronary angiography
    Ioannis Pantos
    Department of Cardiology, Coronary Flow Research Unit, Athens Euroclinic, 9 Athanassiadou Street, 115 21 Athens, Greece
    Cardiol Clin 27:491-502. 2009
    ..This new technology may solve many of the limitations inherent in two-dimensional QCA and provide stenosis assessment capabilities not available with two-dimensional imaging...
  74. ncbi request reprint Percutaneous coronary intervention versus conservative therapy in nonacute coronary artery disease: a meta-analysis
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Circulation 111:2906-12. 2005
    ..Therefore, we performed a meta-analysis of 11 randomized trials comparing PCI to conservative treatment in patients with stable CAD...
  75. ncbi request reprint Sustained ventricular tachycardia induced by dobutamine stress echocardiography: a prospective study
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Greece
    Europace 7:433-9. 2005
    ..To investigate the prognostic significance and electrophysiological characteristics of dobutamine stress echo (DSE)-induced sustained monomorphic ventricular tachycardia (VT)...
  76. ncbi request reprint Ablation of superior pulmonary veins compared to ablation of all four pulmonary veins:
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Cardiovasc Electrophysiol 15:641-5. 2004
    ..The aim of this study was to compare a superior PV isolation approach with isolation of all PVs for treatment of PAF...
  77. ncbi request reprint Antegrade visualisation of the coronary sinus for left ventricular pacing
    Eleftherios Giazitzoglou
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Hellenic J Cardiol 49:102-5. 2008
    ..Failure to achieve left ventricular pacing remains one of the obstacles to cardiac resynchronisation therapy...
  78. ncbi request reprint Measurement of glycated hemoglobin (HbA1c) with an automated POCT instrument in comparison with HPLC and automated immunochemistry method: evaluation of the influence of hemoglobin variants
    Alexander Haliassos
    Central Laboratories, Athens Euroclinic, Athens, Greece
    Clin Chem Lab Med 44:223-7. 2006
    ..We conclude that samples with the HbS trait should be interpreted with caution when tested using the POCT instrument...
  79. ncbi request reprint Patient dosimetry during coronary interventions: a comprehensive analysis
    Efstathios P Efstathopoulos
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Am Heart J 147:468-75. 2004
    ..We performed a detailed analysis of patient radiation during coronary interventions, comparing dose measurements to established dose reference levels, assessing coronary artery doses, and estimating total radiation risk of fatal cancer...
  80. ncbi request reprint Intravenous glycoprotein IIb/IIIa receptor antagonists reduce mortality after percutaneous coronary interventions
    Evangelia Karvouni
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    J Am Coll Cardiol 41:26-32. 2003
    ..We sought to evaluate the impact of intravenous antagonists of the platelet IIb/IIIa receptor on the survival of patients undergoing percutaneous coronary interventions (PCIs)...
  81. ncbi request reprint Handgrip-enhanced myocardial fractional flow reserve for assessment of coronary artery stenoses
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Am Heart J 151:1107.e1-7. 2006
    ..Fractional flow reserve (FFR) may yield false-negative results in up to 12% of lesions tested, and there is a zone of uncertainty at borderline values...
  82. ncbi request reprint Medical personnel and patient dosimetry during coronary angiography and intervention
    Efstathios P Efstathopoulos
    2nd Department of Radiology, University of Athens, 20 Papadiamantopoulou Str, 11828 Athens, Greece
    Phys Med Biol 48:3059-68. 2003
    ..Exposure optimization though should be constantly sought through continuous review of procedures...
  83. ncbi request reprint Meta-analysis comparing drug-eluting stents with bare metal stents
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Am J Cardiol 95:640-3. 2005
    ....
  84. ncbi request reprint The coronary sinus: passive bystander or source of arrhythmia?
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Greece
    Heart Rhythm 1:113-6. 2004
    ..Thus, the coronary sinus may serve both as a bystander to arrhythmia circuits as well as an original source of cardiac arrhythmia...
  85. ncbi request reprint Plasma profiles of peripheral monocyte-related inflammatory markers in patients with arterial hypertension. Correlations with plasma endothelin-1
    John T Parissis
    Department of Cardiology, Athens Euroclinic, Greece
    Int J Cardiol 83:13-21. 2002
    ....
  86. ncbi request reprint Quinolones: cardioprotective or cardiotoxic
    Demosthenes Katritsis
    Athens Euroclinic, Athens, Greece
    Pacing Clin Electrophysiol 26:2317-20. 2003
    ..ECG monitoring during initiation of quinolone treatment is indicated only in patients with conditions known to predispose to torsades or to those receiving concomitant medications that prolong the QT interval...
  87. ncbi request reprint Nonsustained ventricular tachycardia: where do we stand?
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Eur Heart J 25:1093-9. 2004
    ..The prognostic value of NSVT in conditions such as the long-QT syndromes, primary ventricular fibrillation, and Brugada syndrome, as well as in patients with hypertension and valvular disease, has not been established...
  88. doi request reprint Double versus single stenting for coronary bifurcation lesions: a meta-analysis
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Circ Cardiovasc Interv 2:409-15. 2009
    ..Several trials have addressed whether bifurcation lesions require stenting of both the main vessel and side branch, but uncertainty remains on the benefits of such double versus single stenting of the main vessel only...
  89. doi request reprint Comparison of long versus short ("spot") drug-eluting stenting for long coronary stenoses
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Am J Cardiol 104:786-90. 2009
    ..Selective stenting of only the significantly stenosed parts of the lesion is an appropriate therapeutic alternative in this setting, offering a favorable clinical outcome...
  90. ncbi request reprint Patient and staff radiation dosimetry during cardiac electrophysiology studies and catheter ablation procedures: a comprehensive analysis
    Efstathios P Efstathopoulos
    2nd Department of Radiology, Medical Physics Unit, University of Athens, Athens, Greece
    Europace 8:443-8. 2006
    ..To perform a comprehensive analysis of all aspects of patient and in-room personnel radiation dosimetry in interventional electrophysiology...
  91. ncbi request reprint Wide-QRS tachycardia inducible by both atrial and ventricular pacing
    Eleftherios Giazitzoglou
    Department of Cardiology, Athens Euroclinic, Athens, Greece
    Hellenic J Cardiol 49:446-50. 2008
    ..We describe an interesting case of an atriofascicular re-entrant tachycardia due to a Mahaim pathway. The differential diagnosis is discussed and a review of the relevant literature is presented...
  92. ncbi request reprint Latent arterial hypertension in apparently lone atrial fibrillation
    Demosthenes G Katritsis
    Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens, 11521, Greece
    J Interv Card Electrophysiol 13:203-7. 2005
    ..Longitudinal studies on lone AF are rare and the incidence of hypertension in this population unknown. This study aimed at investigating the incidence of arterial hypertension in patients with apparently lone atrial fibrillation (AF)...
  93. ncbi request reprint Classification and differential diagnosis of atrioventricular nodal re-entrant tachycardia
    Demosthenes G Katritsis
    Department of Cardiology Athens Euroclinic, 9 Athanassiadou Street, Athens 11521, Greece
    Europace 8:29-36. 2006
    ....
  94. ncbi request reprint Meta-analysis of fractional flow reserve versus quantitative coronary angiography and noninvasive imaging for evaluation of myocardial ischemia
    Maria A C Christou
    Clinical and Molecular Epidemiology Unit, Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece
    Am J Cardiol 99:450-6. 2007
    ..In conclusion, QCA does not predict the functional significance of coronary lesions. FFR shows modest concordance with noninvasive imaging tests. The prognostic implications of discordant FFR and imaging results need further study...
  95. ncbi request reprint Eccentric retrograde atrial activation in atrioventricular nodal reentrant tachycardia
    Demosthenes G Katritsis
    Heart Rhythm 2:1394-5; author reply 1395. 2005
  96. ncbi request reprint Can we compartmentalize the left atrium in the electrophysiology laboratory?
    Demosthenes G Katritsis
    Heart Rhythm 4:731-2. 2007
  97. ncbi request reprint Is there an upper common pathway in AVNRT?
    Demosthenes G Katritsis
    Heart Rhythm 4:1119; author reply 1119-20. 2007
  98. ncbi request reprint Catheter ablation of atrial fibrillation: do we know what we are doing?
    Demosthenes G Katritsis
    Europace 9:1002-5. 2007
  99. ncbi request reprint Anti-inflammatory medication for atrial fibrillation
    Demosthenes G Katritsis
    Eur Heart J 25:1762. 2004
  100. ncbi request reprint Catheter ablation of supraventricular tachycardias paper
    Demosthenes G Katritsis
    Heart Rhythm 2:336. 2005
  101. doi request reprint Carvedilol is more effective than metoprolol in preventing atrial fibrillation (AF) after coronary artery bypass
    Demosthenes G Katritsis
    Heart Rhythm 5:504; author reply 504-5. 2008