Title: LONG-TERM INCIDENCE OF ATRIAL FIBRILLATION AFTER LONE PERSISTENT ATRIAL FLUTTER RADIOFREQUENCY ABLATION
Abstract: Asrac Caeor: 16. Arrhhmias: AF/SVTreseaio Numer: 1239-274Auhors: Fernando Adrian Scazzuso, Santiago Rivera, Gaston Albina, Ruben Laino, Luis Gomez, Alberto Giniger, Instituto Cardiovascular de Buenos Aires(ICBA), Buenos Aires, ArgentinaBackground: Curre uielies esalishe cavoricusi ishmus (CTI) alaio as class I hera or recurre AFL. Neverheless a hih roorio o aies wih ical loe ersise Arial Fluer (AFL) have recurre eisoes o Arial Firillaio (AF). The aim o his su was o evaluae he resece o AF i aies uerwe CTI alaio wihou rior ocumee AF.Methods: 179 aies eliile or CTI alaio were iclue. rior hisor AF was assesse i 61 aies a eclue. CTI alaio was erorme i 118 remaii aies as escrie reviousl. aies ha mohl cliical ollow-u a 12-lea elecrocarioram or a miimum o ear. Ever 2 mohs a 48 Holer moior was erorme o eermie AF iciece aer CTI alaio aer a ear. Arial irillaio iaosis was eermie as a eisoe o more ha 30 secos. Aiarrhhmic rus were iscoiue aer roceure a aicoaulaio oe moh aer.Results: A oal o 118 aies (77.09% male; Ae 66 +/- 8 ears) were aalze. Biirecioal loc a he CTI was achieve i all a ies. A aie resee AF uri simulaio maeuvers or aer isoroereol amiisraio. Aer a ear AF was oserve i 85 aies (72%) uri he ollow u. Boh rous variales were aalze. Arial irillaio reicors aer CTI alaio were: Heresio ( = 0.003). Le arium area >23.3 cm2.Conclusions: CTI alaio i aies wih loe arial luer (AF) is o curaive as mos o he aies will evelo AF wihi a ear. Le arial area was he sro reicor or arial irillaio evelome i aies uerwe AFL alaio. Heresio ma e he ricial cause o LA elareme. os roceural aicoaulaio srae mus e revise ace o hese resuls a iall, i woul e wise o erorm oh CTI a LA alaio i aies resei wih loe AFL a le arium elareme. Furher rials ma hel o eie he eei o his sraey.