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Radiofrequency catheter ablation (RFCA) was performed using a three\u2010dimensional electroanatomic mapping system. After completion of left and right circumferential pulmonary vein isolation (CPVI), an intravenous bolus of adenosine triphosphate (ATP, 20 mg) was administered to evaluate the electric reconduction between the pulmonary vein (PV) and left atrium (LA). Although no PV\u2013LA reconduction was observed, atrial fibrillation (AF) was reproducibly induced. As the duration of AF was very short (&lt;20 s), no further RFCA to the LA was performed. One month later, the patient presented with frequent atrial tachyarrhythmias (ATs), and RFCA was repeated. Although no electric reconduction was observed in the left\u2010 or right\u2010sided PVs, incessant ATs and AF were induced after an intravenous bolus administration of ATP. The earliest atrial activation site initiating ATs was consistently identified from electrodes positioned in the superior vena cava (SVC), and both ATs and AF were no longer inducible after electric isolation of the SVC. ATP\u2010induced PV\/non\u2010PV ectopy may be a marker of increased susceptibility to autonomic triggers of AF and could potentially predict recurrent AF after CPVI.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.joa.2015.03.004","type":"journal-article","created":{"date-parts":[[2015,4,22]],"date-time":"2015-04-22T01:16:34Z","timestamp":1429665394000},"page":"318-322","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":4,"title":["A case of paroxysmal atrial fibrillation with a non\u2010pulmonary vein trigger identified by intravenous adenosine triphosphate infusion"],"prefix":"10.1002","volume":"31","author":[{"given":"Masahiro","family":"Esato","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naoto","family":"Nishina","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshitomi","family":"Kida","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"YeongHwa","family":"Chun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,4,22]]},"reference":[{"key":"e_1_2_5_2_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.0000074206.52056.2D"},{"key":"e_1_2_5_3_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1460-9592.2003.t01-1-00243.x"},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2005.40665.x"},{"key":"e_1_2_5_5_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2004.04031.x"},{"key":"e_1_2_5_6_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8167.2007.00842.x"},{"key":"e_1_2_5_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9149(84)90104-8"},{"key":"e_1_2_5_8_2","doi-asserted-by":"publisher","DOI":"10.1111\/jce.12252"},{"key":"e_1_2_5_9_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10840-013-9862-y"},{"key":"e_1_2_5_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0008-6363(99)00166-2"},{"key":"e_1_2_5_11_2","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCEP.112.971945"},{"key":"e_1_2_5_12_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.83.5.1499"},{"key":"e_1_2_5_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2005.11.008"},{"key":"e_1_2_5_14_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8167.2010.01787.x"},{"key":"e_1_2_5_15_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8167.2007.00909.x"},{"key":"e_1_2_5_16_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.83.5.1668"},{"key":"e_1_2_5_17_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2003.02462.x"},{"key":"e_1_2_5_18_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.0000018443.44005.D8"},{"key":"e_1_2_5_19_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8167.2009.01571.x"},{"key":"e_1_2_5_20_2","doi-asserted-by":"publisher","DOI":"10.1111\/jce.12362"},{"key":"e_1_2_5_21_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8167.2006.00753.x"}],"container-title":["Journal 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