Imperial College London
Dr Vias Markides

DrViasMarkides

Faculty of Medicine, National Heart & Lung Institute

Honorary Clinical Senior Lecturer
 
 
 
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Contact

 

+44 (0)20 7351 8619v.markides

 
 
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Assistant

 

Dr Tom Wong +44 (0)20 7351 8619

 
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Location

 

Chelsea WingRoyal Brompton Campus

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Summary

 

Publications

Publication Type
Year
to

165 results found

Wong T, Markides V, Peters NS, Davies DWet al., 2004, Percutaneous pulmonary vein cryoablation to treat atrial fibrillation, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 11, Pages: 117-126, ISSN: 1383-875X

Journal article

Kojodjojo P, Segal OR, Hussein W, Kanagaratnam P, Markides V, Peters NSet al., 2004, First report of the effects of the gap junction uncoupler carbenoxolone on human myocardial conduction and arrhythmogenicity, ESC Congress 2004, Publisher: W B SAUNDERS CO LTD, Pages: 634-635, ISSN: 0195-668X

Conference paper

Kojodjojo P, Kanagaratnam P, Markides V, Davies WYND, Peters NSet al., 2004, Conduction in patients prone to paroxysmal atrial fibrillation, ESC Congress 2004, Publisher: W B SAUNDERS CO LTD, Pages: 133-133, ISSN: 0195-668X

Conference paper

Kojodjojo P, Kanagaratnam P, Wright I, Wong T, Markides V, Davies WYND, Peters NSet al., 2004, Age-related changes in human conduction velocity, ESC Congress 2004, Publisher: W B SAUNDERS CO LTD, Pages: 477-477, ISSN: 0195-668X

Conference paper

Wong T, Segal OR, Markides V, Davies DW, Peters NSet al., 2004, Cryoablation of focal atrial tachycardia originating close to the atrioventricular node, JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY, Vol: 15, Pages: 838-838, ISSN: 1045-3873

Journal article

Sporton SC, Davies DW, Earley MJ, Markides V, Nathan AW, Schilling RJet al., 2004, Catheter inversion: a technique to complete isthmus ablation and cure atrial flutter., Pacing Clin Electrophysiol, Vol: 27, Pages: 775-778, ISSN: 0147-8389

Cure of typical atrial flutter (AFL) by catheter ablation to produce bidirectional block across the tricuspid annulus-inferior vena cava isthmus (IS) is highly effective, but failures may occur. We describe a technique that may allow creation of bidirectional block where a conventional strategy has failed. AFL ablation was performed using the conventional approach with a mapping/ablation (ablation) catheter introduced via the right femoral vein (RFV) to create a line of bidirectional block across the IS. If this was not achieved after five passes of the ablation catheter from the tricuspid annulus to the inferior vena cava (IVC) a catheter inversion technique was used. This allowed stable positioning of the ablation catheter at the IVC end of the isthmus. In 11 patients, a mean of 17 (range 3 to 45) radiofrequency (RF) applications was given before the catheter inversion technique was applied. Following catheter inversion a mean of 4 (1 to 14) further RF applications achieved bidirectional isthmus block in every patient. No complications occurred. Catheter inversion provides a simple, safe, and effective means of achieving bidirectional isthmus conduction block in cases where a conventional ablation strategy might have failed.

Journal article

Segal OR, Kojodjojo P, Hussein W, Kanagaratnam P, Markides V, Peters NSet al., 2004, First report of the effects of the gap-junction uncoupler carbenoxolone on human myocardial conduction and arrhythmogenicity, Annual Conference of the British-Cardiac-Society, Publisher: B M J PUBLISHING GROUP, Pages: A36-A36, ISSN: 1355-6037

Conference paper

Wong T, Markides V, Peters NS, Davies DWet al., 2004, Clinical usefulness of cryomapping for ablation of tachycardias involving perinodal tissue, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 10, Pages: 153-158, ISSN: 1383-875X

Journal article

Wong T, Markides V, Peters NS, Wright AR, Davies DWet al., 2004, Percutaneous isolation of multiple pulmonary veins using an expandable circular cryoablation catheter, PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY, Vol: 27, Pages: 551-554, ISSN: 0147-8389

Journal article

Segal OR, Markides V, Kanagaratnam P, Wong T, Peters NSet al., 2004, Multiple distinct right atrial endocardial origins in a patient with atrial tachycardia: Mapping and ablation using noncontact mapping, PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY, Vol: 27, Pages: 541-544, ISSN: 0147-8389

Journal article

Wong T, Markides V, Peters NS, Davies DWet al., 2004, Early changes in pulmonary vein activation predict effectiveness during pulmonary vein isolation using a novel curvilinear cryoablation catheter, 54th Annual Scientific Session of the American-College-of-Cardiology, Publisher: ELSEVIER SCIENCE INC, Pages: 114A-114A, ISSN: 0735-1097

Conference paper

Wong T, Markides V, Peters NS, Davies DWet al., 2004, Percutaneous cryothermic pulmonary vein isolation for the treatment of atrial fibrillation: Impact of specific catheter design, 54th Annual Scientific Session of the American-College-of-Cardiology, Publisher: ELSEVIER SCIENCE INC, Pages: 118A-119A, ISSN: 0735-1097

Conference paper

Markides V, Segal OR, Tondato F, Peters NSet al., 2004, Mapping, Cardiac Electrophysiology: From Cell to Bedside, Pages: 858-868, ISBN: 9780721603230

Book chapter

Markides V, Segal OR, Peters NS, 2004, Mapping, Cardiac Electrophysiology. From Cell to Bedside (ISBN 0-7216-0323-8), Publisher: Saunders, Pages: 858-868

Book chapter

Segal OR, Chow AW, Markides V, Trevisi N, Lowe MD, Della Bella P, Davies DW, Peters NSet al., 2003, A novel algorithm for determining endocardial VT exit site location from surface 12 lead ECG morphology in human, infarct related ventricular tachycardia, 76th Annual Scientific Session of the American-Heart-Association, Publisher: LIPPINCOTT WILLIAMS & WILKINS, Pages: 685-686, ISSN: 0009-7322

Conference paper

Segal OR, Chow AW, Markides V, Davies DW, Peters NSet al., 2003, Characterisation of left ventricular activation in left bundle branch block; Implications for cardiac resynchronisation therapy, 76th Annual Scientific Session of the American-Heart-Association, Publisher: LIPPINCOTT WILLIAMS & WILKINS, Pages: 544-544, ISSN: 0009-7322

Conference paper

Markides V, Schilling RJ, 2003, Atrial fibrillation: classification, pathophysiology, mechanisms and drug treatment., Heart, Vol: 89, Pages: 939-943

Journal article

Segal OR, Chow AWC, Markides V, Davies DW, Peters NSet al., 2003, Correlation between surface 12 lead ECG morphology and endocardial exit site in human infarct related ventricular tachycardia, Annual Scientific Conference of the British-Cardiac-Society, Publisher: B M J PUBLISHING GROUP, Pages: A61-A61, ISSN: 1355-6037

Conference paper

Segal OR, Chow AW, Schilling RJ, Markides V, Peters NS, Davies DWet al., 2003, The use of a percutaneous non-contact mapping system in targeting human ventricular tachycardia ablation: Results from the first 50 patients, Annual Scientific Conference of the British-Cardiac-Society, Publisher: B M J PUBLISHING GROUP, Pages: A34-A34, ISSN: 1355-6037

Conference paper

Segal OR, Chow AW, Markides V, Davies DW, Peters NSet al., 2003, Characterisation of left-ventricular activation in left bundle branch block; implications for cardiac resynchronisation therapy, Congress of the European-Society-of-Cardiology, Publisher: W B SAUNDERS CO LTD, Pages: 396-396, ISSN: 0195-668X

Conference paper

Segal OR, Chow AWC, Markides V, Trevisi N, Della Bella P, Davies DW, Peters NSet al., 2003, A novel algorithm for determining endocardial ventricular tachycardia exit site location from surface 12-lead electrocardiogram morphology in human, infarct related ventricular tachycardia, Congress of the European-Society-of-Cardiology, Publisher: W B SAUNDERS CO LTD, Pages: 718-718, ISSN: 0195-668X

Conference paper

Wong T, Markides V, Peters NS, Davies DWet al., 2003, Pulmonary vein isolation using a novel circular cryoablation catheter: early changes in pulmonary vein activation predict effectiveness, Congress of the European-Society-of-Cardiology, Publisher: W B SAUNDERS CO LTD, Pages: 165-165, ISSN: 0195-668X

Conference paper

Markides V, Schilling RJ, Ho SY, Chow AWC, Davies DW, Peters NSet al., 2003, Characterization of left atrial activation in the intact human heart, CIRCULATION, Vol: 107, Pages: 733-739, ISSN: 0009-7322

Journal article

Segal OR, Chow AW, Schilling RJ, Markides V, Peters NS, Davies DWet al., 2002, The use of a percutaneous non-contact mapping system in targeting human ventricular tachycardia ablation: Results from the first 50 patients, American-Heart-Association Abstracts From Scientific Sessions, Publisher: LIPPINCOTT WILLIAMS & WILKINS, Pages: 341-341, ISSN: 0009-7322

Conference paper

Segal OR, Markides V, Wong T, Peters NSet al., 2002, Too focused?: The perils of a fashionable diagnosis, JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY, Vol: 13, Pages: 1058-1060, ISSN: 1045-3873

Journal article

Segal OR, Chow AW, Schilling RJ, Markides V, Peters NS, Davies DWet al., 2002, The use of a percutaneous non-contact mapping system in targeting human ventricular tachycardia ablation: results from the first 50 patients, Congress of the European-Society-of-Cardiology, Publisher: W B SAUNDERS CO LTD, Pages: 485-485, ISSN: 0195-668X

Conference paper

Markides V, Peters NS, 2002, Mechanisms underlying the development of atrial arrhythmias in heart failure., Heart Fail Rev, Vol: 7, Pages: 243-253, ISSN: 1382-4147

There is an important association between heart failure and the development of atrial arrhythmias. Although most often associated with atrial fibrillation, there is some evidence to suggest an association between heart failure and other atrial arrhythmias and, in particular, atrial flutter and atrial tachycardia. The mechanisms by which these common atrial arrhythmias may arise in patients with heart failure are discussed.

Journal article

Wong T, Markides V, Chow AWC, Peters NS, Davies DWet al., 2002, Cryoablation for pulmonary vein isolation to treat atrial fibrillation, JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, Vol: 39, Pages: 117A-117A, ISSN: 0735-1097

Journal article

Peters NS, Schilling RJ, Kanagaratnam P, Markides Vet al., 2002, Atrial fibrillation: strategies to control, combat, and cure, LANCET, Vol: 359, Pages: 593-603, ISSN: 0140-6736

Journal article

Markides V, Schilling RJ, Chow AW, Peters NS, Davies DWet al., 2001, Identification of the mechanisms of initiation of atrial fibrillation using non-contact mapping, CIRCULATION, Vol: 104, Pages: 158-158, ISSN: 0009-7322

Journal article

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