Publications
183 results found
Lyne J, Wong T, Banner N, et al., 2012, Ablation of Ventricular Fibrillation in an Orthotopic Heart Lung Transplant, PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY, Vol: 35, Pages: e92-e94, ISSN: 0147-8389
Yao Y, Shi R, Wong T, et al., 2012, Endocardial Autonomic Denervation of the Left Atrium to Treat Vasovagal Syncope: An Early Experience in Humans, CIRCULATION-ARRHYTHMIA AND ELECTROPHYSIOLOGY, Vol: 5, Pages: 279-286, ISSN: 1941-3149
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- Citations: 74
Jones DG, Mortsell DH, Rajaruthnam D, et al., 2011, Permanent pacemaker implantation early and late after heart transplantation: Clinical indication, risk factors and prognostic implications, JOURNAL OF HEART AND LUNG TRANSPLANTATION, Vol: 30, Pages: 1257-1265, ISSN: 1053-2498
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- Citations: 31
Duncan AM, Lim E, Mebrate Y, et al., 2011, Underestimation of duration of ventricular activation by 12-lead ECG compared with direct measurement of activation duration derived from implanted pacemaker leads, INTERNATIONAL JOURNAL OF CARDIOLOGY, Vol: 152, Pages: 35-42, ISSN: 0167-5273
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- Citations: 3
Jones DG, McCready JW, Kaba RA, et al., 2011, A multi-purpose spiral high-density mapping catheter: initial clinical experience in complex atrial arrhythmias, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 31, Pages: 225-235, ISSN: 1383-875X
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- Citations: 16
Jordan AN, Lyne J, De Silva R, et al., 2010, Myocarditic Appearance of Arrhythmogenic Right Ventricular Cardiomyopathy, CIRCULATION, Vol: 122, Pages: E556-E557, ISSN: 0009-7322
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- Citations: 6
Uusimaa P, Pedersen M, Wong T, et al., 2010, Left atrial tachycardia in a patient with calcified coronary aneurysms due to Kawasaki disease, EUROPACE, Vol: 12, Pages: 1498-1500, ISSN: 1099-5129
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- Citations: 1
Jordan A, Lyne J, Wong T, 2010, Unusual scarring patterns on cardiac magnetic resonance imaging: A potentially treatable etiology not to be missed., Can J Cardiol, Vol: 26, Pages: 149-150
A case of cardiomyopathy and ventricular tachycardia previously assumed to be idiopathic in origin is described. Investigation with cardiac magnetic resonance imaging prompted the diagnosis and successful treatment of an underlying disorder based on typical scarring patterns seen with late gadolinium enhancement. The present report suggests that clinicians should have a low threshold for actively excluding this condition in patients presenting with cardiomyopathy, even in the absence of other disease features, particularly if typical scarring patterns are found on cardiac magnetic resonance imaging because disease-specific therapy appears to significantly improve both symptoms and prognosis.
Jarman JW, Wong T, Francis DP, et al., 2009, Spatiotemporal Behaviour of High Dominant Frequency During Paroxysmal and Persistent Atrial Fibrillation in the Human Left Atrium, 82nd Scientific Session of the American-Heart-Association, Publisher: LIPPINCOTT WILLIAMS & WILKINS, Pages: S639-S639, ISSN: 0009-7322
Dimopoulos K, Giannakoulas G, Yuksel S, et al., 2009, Atrial Tachyarrhythmias Late After Fontan Operation Are Related to Increase in Mortality and Hospitalization, 82nd Scientific Session of the American-Heart-Association, Publisher: LIPPINCOTT WILLIAMS & WILKINS, Pages: S562-S562, ISSN: 0009-7322
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- Citations: 1
Mortsell DH, Hussain W, Markides V, et al., 2008, The Electrophysiologic indication and the long-term prognostic implication of permanent pacemaker implantation early and late after heart transplantation, 28th Annual Meeting of the International-Society-for-Heart-and-Lung-Transplantation, Publisher: ELSEVIER SCIENCE INC, Pages: S86-S86, ISSN: 1053-2498
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- Citations: 1
Lyne JC, Hayward C, Wong T, 2008, Images in cardiology. Cardiac magnetic resonance image of an electrocuted heart., Can J Cardiol., Vol: 24, Pages: e93-e93
Kojodjojo P, Wong T, Wright AR, et al., 2008, Pulmonary venous stenosis after treatment for atrial fibrillation., BMJ, Pages: 830-832
Segal OR, Wong T, Chow AWC, et al., 2007, Intra-coronary guidewire mapping - A novel technique to guide ablation of human ventricular tachycardia, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 18, Pages: 143-154, ISSN: 1383-875X
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- Citations: 18
Segal OR, Chow AWC, Wong T, et al., 2007, A novel algorithm for determining endocardial VT exit site from 12-lead surface ECG characteristics in human, infarct-related ventricular tachycardia, JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY, Vol: 18, Pages: 161-168, ISSN: 1045-3873
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- Citations: 31
Nakagawa H, Antz M, Wong T, et al., 2007, Initial experience using a forward directed, high-intensity focused ultrasound balloon catheter for pulmonary vein antrum isolation in patients with atrial fibrillation., J Cardiovasc Electrophysiol., Vol: 18, Pages: 136-144
BACKGROUND: A high-intensity-focused ultrasound balloon catheter (HIFU-BC) is designed to isolate pulmonary veins (PV) outside the ostia (PV antrum). This catheter uses a parabolic CO2 balloon (behind water balloon) to focus a 20-, 25-, or 30-mm diameter ring of ultrasound forward of the balloon (parallel to catheter shaft). The purpose of this study is to test the safety and efficacy of the HIFU-BC for PV antrum isolation in patients with atrial fibrillation (AF). METHODS AND RESULTS: Twenty-seven patients with paroxysmal (19 patients) or persistent (8 patients) AF were studied. Double transseptal puncture was performed for left atrial deployment of a Lasso catheter (for PV mapping) and the 14 Fr HIFU-BC. The HIFU-BC was positioned outside the PV orifice over a guidewire. HIFU energy (acoustic power 45 watts) was applied for 40 seconds with a 20-mm sonicating ring and 40 or 60 seconds with a 25-mm or 30-mm sonicating ring. No other ablation system was utilized. PV antrum isolation was attempted using HIFU-BC in 78 of 104 PVs (25/27 RSPVs, all 23 LSPVs, all 23 LIPVs, all four left common trunks and 3/27 RIPVs). HIFU-BC successfully isolated 68 (87%) of the 78PV antra with 1-26 (median 3) HIFU applications. The complications include transient bleeding from a distal branch of the left superior PV resulting from guidewire manipulation in one patient and right phrenic nerve injury in another patient. No PV stenosis (>50% narrowing) and no LA-esophageal fistula occurred. At the 12-month follow-up, 16 (59%) of the 27 patients were free of symptomatic episodes of AF (only 3 of the 16 patients were receiving antiarrhythmic medications). CONCLUSIONS: Forward-focused HIFU applications isolated PVs outside the PV ostium with elimination of AF in 16 (59%) of the 27 patients at 12 months following the single ablation procedure.
Wong T, Hussain W, Markides V, et al., 2006, Ablation of difficult right-sided accessory pathways aided by mapping of tricuspid annular activation using a Halo™ catheter -: Halo-mapping of right sided accessory pathways, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 16, Pages: 175-182, ISSN: 1383-875X
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- Citations: 7
Lindsay AC, Wong T, Segal O, et al., 2006, An unusual twist: ventricular tachycardia induced by a loop in a right ventricular pacing wire, QJM-AN INTERNATIONAL JOURNAL OF MEDICINE, Vol: 99, Pages: 347-348, ISSN: 1460-2725
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- Citations: 5
Wong T, Markides V, Peters NS, et al., 2006, Anatomic left atrial circumferential ablation to electrically isolate pulmonary veins using a novel focused ultrasound balloon catheter, HEART RHYTHM, Vol: 3, Pages: 370-371, ISSN: 1547-5271
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- Citations: 7
Wong T, Markides V, Peters NS, et al., 2004, Percutaneous pulmonary vein cryoablation to treat atrial fibrillation, JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, Vol: 11, Pages: 117-126, ISSN: 1383-875X
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- Citations: 24
Wong T, Segal OR, Markides V, et 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
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- Citations: 6
Wong T, Mayet J, Casula RP, 2004, Minimal invasive direct revascularisation of the left anterior descending artery using a novel magnetic vascular anastomotic device., Heart, Vol: 90
Wong T, Davlouros PA, Li W, et al., 2004, Mechano-electrical interaction late after Fontan operation - Relation between P-wave duration and dispersion, right atrial size, and atrial arrhythmias, CIRCULATION, Vol: 109, Pages: 2319-2325, ISSN: 0009-7322
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- Citations: 47
Segal OR, Markides V, Kanagaratnam P, et 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
Wong T, Markides V, Peters NS, et 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
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- Citations: 14
Wong T, Markides V, Peters NS, et 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
Wong T, Markides V, Peters NS, et 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
Segal OR, Markides V, Wong T, et al., 2002, Too focused?: The perils of a fashionable diagnosis, JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY, Vol: 13, Pages: 1058-1060, ISSN: 1045-3873
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- Citations: 1
Wong T, Kilner PJ, Gatzoulis MA, 2002, Asymptomatic aortic dissection in Marfan syndrome, HEART, Vol: 87, Pages: 66-66, ISSN: 1355-6037
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- Citations: 5
Wong T, Darzi A, Foale R, et al., 2001, Virtual reality permanent pacing: Validation of a novel computerised permanent pacemaker implantation simulator, JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, Vol: 37, Pages: 493A-494A, ISSN: 0735-1097
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- Citations: 9
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