{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T05:20:01Z","timestamp":1789708801688,"version":"4.0.1"},"reference-count":28,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2020,5,5]],"date-time":"2020-05-05T00:00:00Z","timestamp":1588636800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Arrhythmia"],"published-print":{"date-parts":[[2020,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The cardiopulmonary function is hypothesized to be associated with atrial fibrillation\/atrial tachyarrhythmia (AF\/AT) recurrence after AF ablation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To clarify the relationship between the cardiopulmonary function after successful ablation and AF\/AT recurrence.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We examined 31 patients with paroxysmal AF who underwent AF ablation. Cardiopulmonary exercise testing (CPET) was performed at 1month after the ablation. A continuously increasing loading method on a bicycle ergometer was employed for the CPET.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>No adverse events, including AF\/AT recurrence, occurred during the CPET. Among 31 patients, AT\/AF recurrence was observed in seven (23%). The ventilatory anaerobic threshold (VAT) and peak oxygen consumption (VO2) were significantly higher in patients without AF\/AT recurrence than in those with AT\/AF recurrences (peak VO2 23.6\u00a0\u00b1\u00a05.7 vs 17.2\u00a0\u00b1\u00a04.1\u00a0mL\/kg\/min; VAT, 16.7\u00a0\u00b1\u00a02.8 vs 13.8\u00a0\u00b1\u00a02.7\u00a0mL\/min\/kg). The areas under the receiver operating characteristic curve for the peak VO2 and VAT were 0.786 (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a0.01) and 0.789(<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a0.01), respectively. Both indices had a sensitivity of 70%\u201380% and specificity of 70%\u201380% for predicting AT\/AF recurrence. Similar results were obtained for the percent values of the predicted peak VO2 and VAT.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The present pilot study found that CPET can be performed safely at approximately 1\u00a0month after AF ablation. The peak VO2 and VAT were significantly associated with AT\/AF recurrence. The peak VO2 and VAT were thought to provide helpful information regarding AT\/AF recurrence.<\/jats:p><\/jats:sec>","DOI":"10.1002\/joa3.12350","type":"journal-article","created":{"date-parts":[[2020,5,5]],"date-time":"2020-05-05T08:04:35Z","timestamp":1588665875000},"page":"456-463","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Correlation of the peak oxygen consumption and ventilatory aerobic threshold by cardiopulmonary exercise testing with atrial fibrillation recurrences after ablation in patients with paroxysmal atrial fibrillation"],"prefix":"10.1002","volume":"36","author":[{"given":"Daiki","family":"Yamashita","sequence":"first","affiliation":[{"name":"Division of Cardiovascular Rehabilitation Okayama Heart Clinic Okayama 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Okayama Heart Clinic Okayama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shozo","family":"Kusachi","sequence":"additional","affiliation":[{"name":"Cardiovascular Center Okayama Heart Clinic Okayama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,5,5]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIR.0b013e3181e52e69"},{"key":"e_1_2_8_3_1","first-page":"1285","article-title":"Cardiopulmonary exercise testing and its application","volume":"93","author":"Albouaini 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