{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,13]],"date-time":"2026-08-13T20:49:00Z","timestamp":1786654140674,"version":"build-2736575974"},"reference-count":25,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2019,3,21]],"date-time":"2019-03-21T00:00:00Z","timestamp":1553126400000},"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":["Noninvasive Electrocardiol"],"published-print":{"date-parts":[[2019,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The predictive efficacies of parameters related to P\u2010wave amplitude (PWA) for atrial fibrillation (AF) recurrence after catheter ablation are unclear.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We measured multiple PWA parameters using an automated system in 126 consecutive patients with persistent and long\u2010standing persistent AF who underwent catheter ablation. The relationships between AF recurrence and various PWA parameters were examined, including the association with P\u2010wave vector magnitude (calculated as the square root of the sum of lead II PWA squared, lead V6 PWA squared, and a one\u2010half lead V2 PWA squared).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Atrial fibrillation did not recur in 87 patients (69%) during 32\u00a0\u00b1\u00a015\u00a0months of follow\u2010up. The maximum PWA, mean PWA, and P\u2010wave vector magnitude were lower in patients with AF recurrence than those without (maximum PWA, 0.14\u00a0\u00b1\u00a00.05\u00a0mV vs. 0.16\u00a0\u00b1\u00a00.05\u00a0mV, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.017; mean PWA, 0.05\u00a0\u00b1\u00a00.02\u00a0mV vs. 0.06\u00a0\u00b1\u00a00.02\u00a0mV, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.003; P\u2010wave vector magnitude, 0.09\u00a0\u00b1\u00a00.03\u00a0mV vs. 0.13\u00a0\u00b1\u00a00.04\u00a0mV, <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001). A multivariate Cox regression analysis revealed that the predictive ability of P\u2010wave vector magnitude for AF recurrence was independent of other clinical properties (hazard ratio: 0.153, 95% confidence interval: 0.046\u20130.507, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.002). Atrial fibrillation freedom rates of patients with P\u2010wave vector magnitude higher and lower than 0.13\u00a0mV were 93% and 57%, respectively. P\u2010wave vector magnitude weakly correlated with left atrial dimension (<jats:italic>R<\/jats:italic>\u00a0=\u00a0\u22120.280, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.004).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>P\u2010wave vector magnitude can predict AF recurrence after catheter ablation in patients with persistent AF.<\/jats:p><\/jats:sec>","DOI":"10.1111\/anec.12646","type":"journal-article","created":{"date-parts":[[2019,3,21]],"date-time":"2019-03-21T09:14:45Z","timestamp":1553159685000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["P\u2010wave vector magnitude predicts recurrence of atrial fibrillation after catheter ablation in patients with persistent atrial fibrillation"],"prefix":"10.1111","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5427-5048","authenticated-orcid":false,"given":"Yosuke","family":"Nakatani","sequence":"first","affiliation":[{"name":"Second Department of Internal Medicine University of Toyama Toyama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tamotsu","family":"Sakamoto","sequence":"additional","affiliation":[{"name":"Second Department of Internal Medicine University of Toyama Toyama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshiaki","family":"Yamaguchi","sequence":"additional","affiliation":[{"name":"Second Department of Internal Medicine University of Toyama Toyama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yasushi","family":"Tsujino","sequence":"additional","affiliation":[{"name":"Second Department of Internal Medicine University of Toyama Toyama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naoya","family":"Kataoka","sequence":"additional","affiliation":[{"name":"Second Department of Internal Medicine University of Toyama Toyama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koichiro","family":"Kinugawa","sequence":"additional","affiliation":[{"name":"Second Department of Internal Medicine University of Toyama Toyama 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