{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T22:05:48Z","timestamp":1782511548565,"version":"3.54.5"},"reference-count":18,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2024,8,6]],"date-time":"2024-08-06T00:00:00Z","timestamp":1722902400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pacing Clinical Electrophis"],"published-print":{"date-parts":[[2024,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Global longitudinal strain (GLS) and atrial voltage are acknowledged markers for worse rhythm outcome after ablation of persistent atrial fibrillation (PeAF). The majority of research efforts have been directed towards the left atrium (LA), with relatively fewer studies focusing on the right atrium (RA). The aim of this study was to investigate the effect of the biatrial substrate on the outcome following radiofrequency catheter ablation (RFCA).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>All patients underwent two\u2010dimensional speckle tracking echocardiography (2D\u2010STE) and high\u2010density mapping (HDM) on LA and RA in preoperative and postoperative stages of RFCA. Atrial substrate was assessed by GLS, average voltage, and low voltage zone (LVZ).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>This retrospective study enrolled 48 patients. With a follow\u2010up of 385.98\u00a0\u00b1\u00a0161.78\u00a0days, 22.92% (11\/48) of all patients had AF recurrence and 63.64% in low strain group. Left atrial\u2010low voltage zone (LA\u2010LVZ) prior to RFCA was 67.52\u00a0\u00b1\u00a015.27% and 54.21\u00a0\u00b1\u00a020.07%, respectively, in the recurrence group and non\u2010recurrence group. Multivariate regression analysis showed that preoperative LA\u2010GLS (<jats:italic>OR<\/jats:italic> 0.047, 95%<jats:italic>CI<\/jats:italic> 0.002\u20130.941, <jats:italic>p\u00a0<\/jats:italic>=\u00a0.046) was independent predictors of AF recurrence. Biatrial average voltage in preoperative and postoperative stages were positively correlated (preoperative: <jats:italic>r\u00a0<\/jats:italic>=\u00a00.563 <jats:italic>p\u00a0<\/jats:italic>&lt;\u00a0.001; postoperative: <jats:italic>r\u00a0<\/jats:italic>=\u00a00.464 <jats:italic>p\u00a0<\/jats:italic>=\u00a0.002). There was no significant difference in the proportion of RA in the recurrence group except the septum in preoperative and postoperative stages.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Low LA\u2010GLS and high LA\u2010LVZ may be predictors of RFCA recurrence in PeAF patients. Biatrial average voltage were positively correlated in preoperative and postoperative stages.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.15054","type":"journal-article","created":{"date-parts":[[2024,8,6]],"date-time":"2024-08-06T15:24:34Z","timestamp":1722957874000},"page":"1157-1167","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Relationships between biatrial substrate and recurrence after radiofrequency ablation in patients with persistent atrial fibrillation"],"prefix":"10.1111","volume":"47","author":[{"given":"Yalin","family":"Lu","sequence":"first","affiliation":[{"name":"Department of Cardiology Dalian Municipal Central Hospital  Dalian China"},{"name":"China Medical University  Shenyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liang","family":"Ma","sequence":"additional","affiliation":[{"name":"Department of Cardiology Dalian Municipal Central Hospital  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Cardiology Dalian Municipal Central Hospital  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinyang","family":"Jin","sequence":"additional","affiliation":[{"name":"Department of Cardiology Dalian Municipal Central Hospital  Dalian China"},{"name":"Dalian Medical University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tao","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Cardiology Dalian Municipal Central Hospital  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jing","family":"Gao","sequence":"additional","affiliation":[{"name":"Department of Cardiology Dalian Municipal Central Hospital  Dalian China"},{"name":"Dalian Medical University  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yawen","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Cardiology Dalian Municipal Central Hospital  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ni","family":"Zhang","sequence":"additional","affiliation":[{"name":"Ultrasound Diagnosis Department Dalian Municipal Central Hospital  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingxiong","family":"Yue","sequence":"additional","affiliation":[{"name":"Ultrasound Diagnosis Department Dalian Municipal Central Hospital  Dalian China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0896-486X","authenticated-orcid":false,"given":"Shijun","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Cardiology Dalian Municipal Central Hospital  Dalian 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right atrial ablation for persistent atrial fibrillation with right atrial enlargement: a pilot study","volume":"40","author":"Xu C","year":"2023","journal-title":"Can J Cardiol"},{"key":"e_1_2_12_15_1","doi-asserted-by":"publisher","DOI":"10.1161\/JAHA.122.026028"},{"key":"e_1_2_12_16_1","doi-asserted-by":"publisher","DOI":"10.1002\/clc.23051"},{"key":"e_1_2_12_17_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12574-017-0341-9"},{"key":"e_1_2_12_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejcts.2010.11.008"},{"key":"e_1_2_12_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/jce.14837"}],"container-title":["Pacing and Clinical 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