{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T09:04:35Z","timestamp":1768813475803,"version":"3.49.0"},"reference-count":16,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2022,4,7]],"date-time":"2022-04-07T00:00:00Z","timestamp":1649289600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pacing Clinical Electrophis"],"published-print":{"date-parts":[[2022,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Left atrial posterior wall isolation (LAPWI) is often performed in addition to pulmonary vein isolation (PVI) in the setting of persistent atrial fibrillation (AF) ablation.<\/jats:p><jats:p>The aim of this study was to evaluate the feasibility and safety of a new cryoballoon ablation system in achieving PVI + LAPWI isolation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The study was a prospective, non\u2010randomized, single center study. Forty consecutive patients, undergoing PVI + LAPWI with the novel POLARx\u2122, were compared to 40 consecutive patients who underwent the same procedure with the established Arctic Front Advance PRO\u2122.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Acute isolation was achieved in all PVs in both groups and left posterior wall isolation (LAPWI) was achieved in 38 patients (95%) in the POLARx group and in 36 patients (90%) in Arctic Front group. Procedural outcomes were similar between both groups, except for lower temperatures during cryoenergy in the POLARx group, for both pulmonary vein isolation (PVI) and LAPWI.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>LAPWI + PVI with the novel POLARx\u2122 Cryoballoon is feasible and safe; the results are comparable with the Arctic Front Advance PRO\u2122 system.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.14495","type":"journal-article","created":{"date-parts":[[2022,3,30]],"date-time":"2022-03-30T05:23:40Z","timestamp":1648617820000},"page":"605-611","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Feasibility and safety of left atrial posterior wall isolation with a new Cryoballoon technology in patients with persistent atrial fibrillation"],"prefix":"10.1111","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3938-4948","authenticated-orcid":false,"given":"Antonio","family":"Bisignani","sequence":"first","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"},{"name":"Institute of Cardiology Catholic University of the Sacred Heart  Rome Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9769-1511","authenticated-orcid":false,"given":"Luigi","family":"Pannone","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vincenzo","family":"Miraglia","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juan","family":"Sieira","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2131-1110","authenticated-orcid":false,"given":"Saverio","family":"Iacopino","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"},{"name":"Electrophysiology Unit Maria Cecilia Hospital  Cotignola Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gezim","family":"Bala","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erwin","family":"Str\u00f6ker","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ingrid","family":"Overeinder","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexandre","family":"Almorad","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana\u00efs","family":"Gauthey","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5373-1689","authenticated-orcid":false,"given":"Cinzia","family":"Monaco","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gaetano","family":"Paparella","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thiago Guimar\u00e3es","family":"Os\u00f3rio","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio","family":"Sorgente","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  Brussels Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luc","family":"Jordaens","sequence":"additional","affiliation":[{"name":"Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard\u2010Heart Vrije Universiteit Brussel  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