{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T13:44:31Z","timestamp":1791121471702,"version":"4.1.0"},"reference-count":41,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circ: Arrhythmia and Electrophysiology"],"published-print":{"date-parts":[[2012,2]]},"abstract":"<jats:sec>\n            <jats:title>Background\u2014<\/jats:title>\n            <jats:p>Catheter ablation of ganglionated plexi (GP) in the left atrium has been proposed in different subgroup of patients with atrial fibrillation (AF). Anatomic studies found a high prevalence of GP in the posterior surface of the right atrium (RA). Experimental data suggested the potential role of right atrial GP in the AF initiation and maintenance. The aim of our study was to assess the efficacy of GP ablation in RA in patients with vagal AF.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods and Results\u2014<\/jats:title>\n            <jats:p>\n              Thirty-four patients without structural heart diseases were randomly assigned for a selective ablation procedure targeted on the elimination of vagal reflex evoked by high frequency stimulation or an extensive approach at anatomic sites of GP. All patients underwent Holter ECG and heart rate variability evaluation at baseline and at 3, 6, 12, and 18 months of follow-up. At a mean follow-up of 19.7\u00b15.2 months, AF recurred in 5 of 17 patients with anatomic ablation and in 13 of 17 patients with a selective approach (\n              <jats:italic>P<\/jats:italic>\n              =0.01). No patient had major complications. After ablation, heart rate variability parameters showed a significant parasympathetic (and sympathetic) denervation in the first 6 months, which was more prominent in patients with anatomic GP ablation and in those without AF recurrence.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions\u2014<\/jats:title>\n            <jats:p>This study demonstrates that in a selected population of vagal paroxysmal AF, the anatomic ablation of GPs in the RA is effective in about 70% of patients. These results confirm that atrial vagal denervation can abolish AF, as suggested by experimental and clinical data.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/circep.111.964262","type":"journal-article","created":{"date-parts":[[2011,12,7]],"date-time":"2011-12-07T05:37:24Z","timestamp":1323236244000},"page":"22-31","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":69,"title":["Catheter Ablation of Right Atrial Ganglionated Plexi in Patients With Vagal Paroxysmal Atrial Fibrillation"],"prefix":"10.1161","volume":"5","author":[{"given":"Leonardo","family":"Cal\u00f2","sequence":"first","affiliation":[{"name":"From the Division of Cardiology, Policlinico Casilino (L.C., M.R., L.S., L.D.L., A.F., L.M., M.P., E.d.R., E.L.), ASL Roma B, Rome, Italy; and Biosense Webster Italy, Johnson &amp; Johnson Medical (P.P., S.D.), Milan, Italy."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco","family":"Rebecchi","sequence":"additional","affiliation":[{"name":"From the Division of Cardiology, Policlinico Casilino (L.C., M.R., L.S., L.D.L., A.F., L.M., M.P., E.d.R., E.L.), ASL Roma B, Rome, Italy; and Biosense Webster Italy, Johnson &amp; Johnson Medical (P.P., S.D.), Milan, Italy."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luigi","family":"Sciarra","sequence":"additional","affiliation":[{"name":"From the Division of Cardiology, Policlinico Casilino (L.C., M.R., L.S., L.D.L., A.F., L.M., M.P., E.d.R., E.L.), ASL Roma B, Rome, Italy; and Biosense Webster Italy, Johnson &amp; Johnson Medical (P.P., S.D.), Milan, Italy."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucia","family":"De Luca","sequence":"additional","affiliation":[{"name":"From the Division of Cardiology, Policlinico Casilino (L.C., M.R., L.S., L.D.L., A.F., L.M., M.P., E.d.R., E.L.), ASL Roma B, Rome, Italy; and Biosense Webster Italy, Johnson &amp; Johnson Medical (P.P., S.D.), Milan, Italy."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alessandro","family":"Fagagnini","sequence":"additional","affiliation":[{"name":"From the Division of Cardiology, Policlinico Casilino (L.C., M.R., L.S., L.D.L., A.F., L.M., M.P., E.d.R., E.L.), ASL Roma B, Rome, Italy; and Biosense Webster Italy, Johnson &amp; Johnson Medical (P.P., S.D.), Milan, Italy."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lorenzo Maria","family":"Zuccaro","sequence":"additional","affiliation":[{"name":"From the Division of Cardiology, Policlinico Casilino (L.C., M.R., L.S., L.D.L., A.F., L.M., M.P., E.d.R., E.L.), ASL Roma B, Rome, Italy; and Biosense Webster Italy, Johnson &amp; Johnson Medical (P.P., S.D.), Milan, Italy."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pietro","family":"Pitrone","sequence":"additional","affiliation":[{"name":"From the Division of Cardiology, Policlinico Casilino (L.C., M.R., L.S., L.D.L., A.F., L.M., M.P., E.d.R., E.L.), ASL Roma B, Rome, Italy; and Biosense Webster Italy, Johnson &amp; Johnson Medical (P.P., S.D.), Milan, Italy."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Serena","family":"Dottori","sequence":"additional","affiliation":[{"name":"From the Division of Cardiology, Policlinico Casilino (L.C., M.R., L.S., L.D.L., A.F., L.M., M.P., E.d.R., E.L.), ASL Roma B, Rome, Italy; 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