{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T06:34:12Z","timestamp":1768977252248,"version":"3.49.0"},"reference-count":25,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circ: Arrhythmia and Electrophysiology"],"published-print":{"date-parts":[[2009,6]]},"abstract":"<jats:p>\n            <jats:bold>\n              <jats:italic>Background\u2014<\/jats:italic>\n            <\/jats:bold>\n            Atrial fibrillation originates mostly from the pulmonary vein (PV) foci or non-PV foci in the posterior left atrium (LA). The present study was designed to evaluate the feasibility and safety of a novel radiofrequency hot balloon catheter for the treatment of patients with atrial fibrillation by electrically isolating the posterior LA, including all PVs.\n          <\/jats:p>\n          <jats:p>\n            <jats:bold>\n              <jats:italic>Methods and Results\u2014<\/jats:italic>\n            <\/jats:bold>\n            One hundred consecutive patients with drug-resistant atrial fibrillation (63 paroxysmal, 37 persistent) were enrolled. The isolation of the PVs was performed by wedging the balloon at each PV antrum to create circumferential lesions in each case. Contiguous linear lesions were also created at the roof between the superior PVs and at the bottom of the posterior LA between the inferior PVs by dragging the balloon along the endocardium. Complete elimination of the posterior LA and PV potentials was achieved in all 100 cases, confirmed by either conventional or electro-anatomic mapping system. The total procedure time was 129\ufffd26 minutes, inclusive of 29.9\ufffd7.3 minutes of fluoroscopy time. Follow-up during 11.0\ufffd4.8 months confirmed that 92 patients (60 paroxysmal, 32 persistent) were free from atrial fibrillation without antiarrhythmic drugs, and in the remaining patients except for 2 with LA tachycardia, sinus rhythm was maintained with antiarrhythmic drugs. With precautions of esophageal cooling by irrigation dictated by temperature monitoring and monitoring phrenic nerve pacing, no LA-esophageal fistula or permanent phrenic nerve injury occurred.\n          <\/jats:p>\n          <jats:p>\n            <jats:bold>\n              <jats:italic>Conclusion\u2014<\/jats:italic>\n            <\/jats:bold>\n            This feasibility study supports the safety and efficacy of radiofrequency hot balloon catheter for complete isolation of the posterior LA and PVs.\n          <\/jats:p>","DOI":"10.1161\/circep.108.817205","type":"journal-article","created":{"date-parts":[[2009,4,3]],"date-time":"2009-04-03T00:54:57Z","timestamp":1238720097000},"page":"225-232","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":68,"title":["Feasibility of the Radiofrequency Hot Balloon Catheter for Isolation of the Posterior Left Atrium and Pulmonary Veins for the Treatment of Atrial Fibrillation"],"prefix":"10.1161","volume":"2","author":[{"given":"Hiroshi","family":"Sohara","sequence":"first","affiliation":[{"name":"From the Heart Rhythm Center (H.S., H.T., H.U., S.S.) and the Division of Anesthesia (T.O.), Hayama Heart Center, Kanagawa, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroshi","family":"Takeda","sequence":"additional","affiliation":[{"name":"From the Heart Rhythm Center (H.S., H.T., H.U., S.S.) and the Division of Anesthesia (T.O.), Hayama Heart Center, Kanagawa, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hideki","family":"Ueno","sequence":"additional","affiliation":[{"name":"From the Heart Rhythm Center (H.S., H.T., H.U., S.S.) and the Division of Anesthesia (T.O.), Hayama Heart Center, Kanagawa, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshiyuki","family":"Oda","sequence":"additional","affiliation":[{"name":"From the Heart Rhythm Center (H.S., H.T., H.U., S.S.) and the Division of Anesthesia (T.O.), Hayama Heart Center, Kanagawa, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shutaro","family":"Satake","sequence":"additional","affiliation":[{"name":"From the Heart Rhythm Center (H.S., H.T., H.U., S.S.) and the Division of Anesthesia (T.O.), Hayama Heart Center, Kanagawa, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"key":"e_1_3_2_1_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM199809033391003"},{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1161\/circ.100.18.1879"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1161\/circ.102.20.2463"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1161\/circ.102.21.2619"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1161\/circep.108.769752"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8167.2007.00911.x"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2007.11.006"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(01)01666-7"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2003.02577.x"},{"key":"e_1_3_2_10_2","first-page":"264.","volume":"8","year":"2006","unstructured":"Sohara H, Satake S, Tanaka K, Watanabe Y. 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Comparison in thermal effects between conventional catheter ablation and radiofrequency thermal balloon catheter ablation: a porcine experimental study. Circulation J. 2005; 69 (Suppl I): 256.","journal-title":"Circulation J"},{"key":"e_1_3_2_21_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2003.02490.x"},{"key":"e_1_3_2_22_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2006.12.006"},{"key":"e_1_3_2_23_2","doi-asserted-by":"publisher","DOI":"10.1161\/circep.108.789552"},{"key":"e_1_3_2_24_2","first-page":"711.","volume":"72","year":"2008","unstructured":"Sohara H, Takeda H, Ueno H, Satake S. Monitoring the esophageal temperature during hot balloon catheter ablation for atrial fibrillation to avoid asymptomatic esophageal ulcer. 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