title: Electroanatomical mapping and radiofrequency catheter ablation of atrial tachycardia originating from the recipient heart with recipient-to-donor atrio-atrial conduction after orthotopic heart transplantation.
abstract: Atrial tachycardias resulting from recipient-to-donor atrio-atrial conduction after orthotopic heart transplantation are difficult to treat. We present two patients in whom atrial tachycardia originating in the recipient heart were successfully treated by radiofrequency ablation guided by electroanatomical CARTO mapping system. These cases illustrate that such atrial tachycardia are curable by radiofrequency ablation. Electroanatomical CARTO mapping is useful in identifying the site of origin of the tachycardia and the atrio-atrial conduction sites.
authors.affiliation: Department of Cardiology, Albert Einstein Medical Center, Philadelphia, Pennsylvania 19141, USA. kanthariab@einstein.edu
authors.forename: Bharat K
authors.initials: BK
authors.lastname: Kantharia
authors.forename: Sabrina L
authors.initials: SL
authors.lastname: Wilbur
authors.forename: Steven P
authors.initials: SP
authors.lastname: Kutalek
authors.forename: Farooq A
authors.initials: FA
authors.lastname: Padder
mesh_terms: D000368:Aged; D017115:Catheter Ablation / Q000379:methods*; D004562:Electrocardiography; D022062:Electrophysiologic Techniques, Cardiac; D006329:Heart Conduction System / Q000503:physiopathology*; D016027:Heart Transplantation / Q000009:adverse effects*; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008297:Male; D008875:Middle Aged; D013612:Tachycardia, Ectopic Atrial / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery*
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