{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T22:49:51Z","timestamp":1782946191511,"version":"3.54.5"},"reference-count":33,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2017,8,23]],"date-time":"2017-08-23T00:00:00Z","timestamp":1503446400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001030","name":"National Heart Foundation of Australia","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001030","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001173","name":"Cardiac Society of Australia and New Zealand","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001173","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2017,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>The right atrium (RA) is readily accessible; however, it is unclear whether changes in the RA are representative of the LA. We performed detailed biatrial electroanatomic mapping to determine the electrophysiological relationship between the atria.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and results<\/jats:title><jats:p>Consecutive patients with persistent AF underwent biatrial electroanatomical mapping with a contact force catheter acquiring points with a CF\u00a0&gt;10\u00a0g prior to ablation. Points were analyzed for tissue voltage, complex electrograms, low voltage (&lt;0.5\u00a0mV), scar (&lt;0.05\u00a0mV), and conduction velocity (CV). Forty patients (mean age 59 \u00b1 9.2 years, AF duration 12.9 \u00b1 9.2 months, LA area: 28 \u00b1 5.2, RA area: 25 \u00b1 6.4\u00a0mm<jats:sup>2<\/jats:sup>, LVEF: 44 \u00b1 15%) underwent mapping during CS pacing. Bipolar voltage (R\u00a0=\u00a00.57, P\u00a0&lt;0.001), unipolar voltage (R\u00a0=\u00a00.68, P\u00a0&lt;0.001), low voltage (&lt;0.5 nV) (R\u00a0=\u00a00.48, P\u00a0=\u00a00.002), fractionation (R\u00a0=\u00a00.73, P\u00a0&lt;0.001), and CV (R\u00a0=\u00a00.49, P\u00a0=\u00a00.001) correlated well between atria. There was no difference in global bipolar voltage (LA 1.89 \u00b1 0.77\u00a0vs. RA 1.77 \u00b1 0.57\u00a0mV, P\u00a0=\u00a00.57); complex electrograms (LA 20%\u00a0vs. RA 20%, P\u00a0=\u00a00.99) or low voltage (LA 15%\u00a0vs. RA 16%, P\u00a0=\u00a00.84). Global unipolar voltage was significantly higher in the LA compared to the RA (2.95 \u00b1 1.14\u00a0vs. 2.28 \u00b1 0.65\u00a0mV, P\u00a0=\u00a00.002) and CV was significantly slower in the RA compared to the LA (0.93 \u00b1 0.15\u00a0m\/s\u00a0vs. 1.01 \u00b1 0.19\u00a0m\/s, P\u00a0=\u00a00.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>AF is associated with remodeling processes affecting both atria. The more accessible RA provides an insight into the biatrial process associated with AF in various disease states without trans\u2010septal access.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.13297","type":"journal-article","created":{"date-parts":[[2017,7,21]],"date-time":"2017-07-21T08:37:13Z","timestamp":1500626233000},"page":"1109-1116","source":"Crossref","is-referenced-by-count":30,"title":["A comparison of the electrophysiologic and electroanatomic characteristics between the right and left atrium in persistent atrial fibrillation: Is the right atrium a window into the left?"],"prefix":"10.1111","volume":"28","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2694-2245","authenticated-orcid":false,"given":"Sandeep","family":"Prabhu","sequence":"first","affiliation":[{"name":"Department of Cardiology Alfred Hospital  Victoria Australia"},{"name":"Baker Heart and Diabetes Institute  Victoria Australia"},{"name":"Cardiology Department Royal Melbourne Hospital  Victoria 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of Melbourne  Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kah Y.","family":"Peck","sequence":"additional","affiliation":[{"name":"Department of Cardiology Alfred Hospital  Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bhupesh","family":"Pathik","sequence":"additional","affiliation":[{"name":"Cardiology Department Royal Melbourne Hospital  Victoria Australia"},{"name":"Faculty of Medicine, Dentistry, and Health Sciences University of Melbourne  Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chrishan J.","family":"Nalliah","sequence":"additional","affiliation":[{"name":"Cardiology Department Royal Melbourne Hospital  Victoria Australia"},{"name":"Faculty of Medicine, Dentistry, and Health Sciences University of Melbourne  Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geoff R.","family":"Wong","sequence":"additional","affiliation":[{"name":"Cardiology Department Royal Melbourne Hospital  Victoria Australia"},{"name":"Faculty of Medicine, Dentistry, and Health Sciences University of Melbourne  Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sonia M.","family":"Azzopardi","sequence":"additional","affiliation":[{"name":"Department of Cardiology Alfred Hospital  Victoria Australia"},{"name":"Baker Heart and Diabetes Institute  Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geoffrey","family":"Lee","sequence":"additional","affiliation":[{"name":"Cardiology Department Royal Melbourne Hospital  Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Justin","family":"Mariani","sequence":"additional","affiliation":[{"name":"Department of Cardiology Alfred Hospital  Victoria Australia"},{"name":"Baker Heart and Diabetes Institute  Victoria 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