BLOCK OF CONDUCTION IN “MITRAL ISTHMUS” DURING RADIOFREQUENCY ABLATION OF LEFT LATERAL ACCESSORY ATRIOVENTRICULAR PATHWAY
Abstract
A case report is presented of change in the sequence of the left atrium retrograde activation during orthodromic atrioventricular tachycardia with participation of the left accessory atrioventricular pathway during radiofrequency ablation of the accessory atrioventricular pathway due to a partial and subsequently complete block in “mitral isthmus".
About the Authors
S. M. Yashin
Северо-западный центр диагностики и лечения аритмий при ГОУВПО СПбГМА им. И.И.Мечникова Росздрава, Санкт-Петербург
Russian Federation
Russian Federation
E. V. Lyan
Северо-западный центр диагностики и лечения аритмий при ГОУВПО СПбГМА им. И.И.Мечникова Росздрава, Санкт-Петербург
Russian Federation
Russian Federation
Ya. Yu. Dumpis
Северо-западный центр диагностики и лечения аритмий при ГОУВПО СПбГМА им. И.И.Мечникова Росздрава, Санкт-Петербург
Russian Federation
Russian Federation
A. S. Klyukvin
Северо-западный центр диагностики и лечения аритмий при ГОУВПО СПбГМА им. И.И.Мечникова Росздрава, Санкт-Петербург
Russian Federation
Russian Federation
A. B. Vainshtein
Северо-западный центр диагностики и лечения аритмий при ГОУВПО СПбГМА им. И.И.Мечникова Росздрава, Санкт-Петербург
Russian Federation
Russian Federation
References
1. Cabo C., Pertsov A., Baxter W. et al. Wave-front curvature as a cause of slow conduction and block in isolated cardiac muscle // Cirsulation Research.- 1994.- V.75.-P.1014-1028.
2. Cosio F., Anderson R., Kuck K. et al. ESCWGA/ NASPE/P experts consensus statement: living anatomy of the atrioventricular junctions. A guide to electrophysi-ologic mapping // Journal of Cardiovascular Electrophysiology.- 1999.- V.10.- P.1162-1170.
3. Fujiki A., Usuda K., Mizumaki K. et al. Double poten tials at successful catheter ablation site of left-sided retrograde accessory pathway: Mitral isthmus block or conduction through coronary sinus musculature // International Journal of Cardiology.- 2007.- V.117.- P.90-96.
4. Luria D., Nemec J., Etheridge S. et al. Intra-atrial conduction block along the mitral valve annulus during accessory pathway ablation: evidence for a left atrial «Isthmus» // Journal of Cardiovascular Electrophysiology.- 2001.-V.12.- P. 744-749.
Review
For citations:
Yashin S.M., Lyan E.V., Dumpis Ya.Yu., Klyukvin A.S., Vainshtein A.B. BLOCK OF CONDUCTION IN “MITRAL ISTHMUS” DURING RADIOFREQUENCY ABLATION OF LEFT LATERAL ACCESSORY ATRIOVENTRICULAR PATHWAY. Journal of Arrhythmology. 2008;52(52):76-77. (In Russ.)
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