{"id":1277,"date":"2022-03-16T06:50:53","date_gmt":"2022-03-16T06:50:53","guid":{"rendered":"https:\/\/beat-af.com\/?page_id=1277"},"modified":"2022-03-21T11:54:00","modified_gmt":"2022-03-21T11:54:00","slug":"ablation-par-champ-pulse","status":"publish","type":"page","link":"https:\/\/beat-af.com\/?page_id=1277&lang=fr","title":{"rendered":"Ablation par champ puls\u00e9"},"content":{"rendered":"\r\n\t<section class=\"section\" id=\"section_1474948994\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t<div class=\"section-content relative\">\n\t\t\t <div class=\"row\"  id=\"row-181682307\"> \n\t<div class=\"col small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\r\n<h1 style=\"text-align: center;\"><strong><span style=\"font-size: 60px;\">Qu&#8217;est-ce que l&#8217;ablation en champ puls\u00e9 ?<\/span><\/strong><\/h1>\r\n\t<div id=\"gap-1160369430\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style scope=\"scope\">\n\n#gap-1160369430 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t \t\t<\/div>\n\t<\/div>\n\n\t \n\t<div class=\"col medium-7 small-12 large-7\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t \t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_442972521\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:100%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/beat-af.com\/wp-content\/uploads\/2021\/10\/Image-06-HD-800x800.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/beat-af.com\/wp-content\/uploads\/2021\/10\/Image-06-HD-800x800.jpg 800w, https:\/\/beat-af.com\/wp-content\/uploads\/2021\/10\/Image-06-HD-400x400.jpg 400w, https:\/\/beat-af.com\/wp-content\/uploads\/2021\/10\/Image-06-HD-280x280.jpg 280w, https:\/\/beat-af.com\/wp-content\/uploads\/2021\/10\/Image-06-HD-768x768.jpg 768w, https:\/\/beat-af.com\/wp-content\/uploads\/2021\/10\/Image-06-HD-1536x1536.jpg 1536w, https:\/\/beat-af.com\/wp-content\/uploads\/2021\/10\/Image-06-HD-2048x2048.jpg 2048w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style scope=\"scope\">\n\n#image_442972521 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t \t\t<\/div>\n\t<\/div>\n\n\t \n\t<div class=\"col medium-5 small-12 large-5\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\r\n<p><span style=\"font-size: 150%;\">Contrairement \u00e0 la cryoablation ou \u00e0 l&#8217;ablation par radiofr\u00e9quence, l&#8217;ablation par champ puls\u00e9 n&#8217;utilise pas de forme d&#8217;apport d&#8217;\u00e9nergie thermique pour effectuer une ablation irr\u00e9versible. Au lieu de cela, des champs \u00e9lectriques \u00e0 haute tension puls\u00e9s localement rapides sont g\u00e9n\u00e9r\u00e9s, ce qui conduit \u00e0 la formation de pores irr\u00e9versibles dans la membrane cellulaire (\u00e9lectroporation) et donc \u00e0 la mort cellulaire. En ajustant pr\u00e9cis\u00e9ment l&#8217;\u00e9lectroporation, seuls les myocytes sont d\u00e9truits ; les structures adjacentes telles que l&#8217;\u0153sophage, le nerf phr\u00e9nique ou les art\u00e8res coronaires sont \u00e9pargn\u00e9es.<\/span><br \/><br \/><\/p>\r\n<p>&nbsp;<\/p>\r\n\t\t<\/div>\n\t<\/div>\n\n\t \n\t<div class=\"col small-12 large-12\"  >\n\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t \t<div id=\"gap-1816145236\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style scope=\"scope\">\n\n#gap-1816145236 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t \t<div id=\"gap-1923796687\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style scope=\"scope\">\n\n#gap-1923796687 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\r\n<p style=\"font-size: 18px;\"><span style=\"font-size: 120%;\">De plus, &#8220;l&#8217;architecture tissulaire&#8221; du tissu ablat\u00e9 reste largement intacte, de sorte que, par exemple, il n&#8217;y a pratiquement pas de r\u00e9duction de volume physiologique du tissu cicatriciel due \u00e0 la contraction des fibres de collag\u00e8ne contenues dans la cicatrice. En positionnant le cath\u00e9ter PFA dans les veines pulmonaires, l&#8217;isolement de la veine pulmonaire peut \u00eatre r\u00e9alis\u00e9 et le risque de complications redout\u00e9es telles qu&#8217;une st\u00e9nose de la veine pulmonaire ou une l\u00e9sion \u0153sophagienne peut \u00eatre \u00e9vit\u00e9.<\/span><\/p>\r\n\t\t<\/div>\n\t<\/div>\n\n\t <\/div> \t\t<\/div>\n\n\t\t\n<style scope=\"scope\">\n\n#section_1474948994 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n  background-color: #1f3989;\n}\n<\/style>\n\t<\/section>\n\t \t<section class=\"section dark\" id=\"section_1874333208\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n\t<div id=\"gap-323881878\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style scope=\"scope\">\n\n#gap-323881878 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  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