{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T17:52:28Z","timestamp":1774374748640,"version":"3.50.1"},"reference-count":35,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,10,19]],"date-time":"2023-10-19T00:00:00Z","timestamp":1697673600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["8180020802"],"award-info":[{"award-number":["8180020802"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Cardiology"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>As an indicator of cardiac autonomic nervous activity, heart rate variability (HRV) is closely linked to premature ventricular complexes (PVCs). However, its role in patients with frequent PVCs originating from the ventricular outflow tract remains unclear.<\/jats:p><\/jats:sec><jats:sec><jats:title>Hypothesis<\/jats:title><jats:p>Here, we hypothesize that there may be alterations in HRV among patients with frequent PVCs originating from the ventricular outflow tract, which could play significant roles in the management of such patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective study was conducted, including 106 patients with frequent outflow tract PVCs and 106 healthy participants as controls. HRV was assessed based on the 24\u2010hour Holter recording. The originating foci of PVCs were identified during radiofrequency catheter ablation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Patients with frequent outflow tract PVCs exhibited decreased levels of high frequency (HF), standard deviation of all NN intervals, and standard deviation of the average NN intervals, but increased ratios of low frequency to HF (LF\/HF ratio), even after propensity score\u2010matched analysis. Further investigation revealed that patients with PVCs originating from right ventricular outflow tract\u00a0(RVOT) had much higher LF\/HF ratios. Multivariate logistic regression analysis demonstrated that the LF\/HF ratio was independently associated with PVCs originating from RVOT. Receiver operating characteristics curve indicated that the LF\/HF ratio effectively determined the origin of PVCs (the area under the curve = 0.75, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Patients with frequent outflow tract PVCs exhibited impaired HRV. Additionally, the LF\/HF ratio played a significant role in determining the origin of outflow tract PVCs.<\/jats:p><\/jats:sec>","DOI":"10.1002\/clc.24174","type":"journal-article","created":{"date-parts":[[2023,10,20]],"date-time":"2023-10-20T05:53:06Z","timestamp":1697781186000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["The significance of heart rate variability in patients with frequent premature ventricular complex originating from the ventricular outflow tract"],"prefix":"10.1002","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7043-0370","authenticated-orcid":false,"given":"Baowei","family":"Zhang","sequence":"first","affiliation":[{"name":"Center of Cardiology, Shanghai East Hospital Tongji University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinbo","family":"Yu","sequence":"additional","affiliation":[{"name":"Center of Cardiology, Shanghai East Hospital Tongji University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yizhang","family":"Wu","sequence":"additional","affiliation":[{"name":"Center of Cardiology, Shanghai East Hospital Tongji University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaorong","family":"Li","sequence":"additional","affiliation":[{"name":"Center of Cardiology, Shanghai East Hospital Tongji University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xin","family":"Xie","sequence":"additional","affiliation":[{"name":"Center of Cardiology, Shanghai East Hospital Tongji University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aibin","family":"Tao","sequence":"additional","affiliation":[{"name":"Department of Cardiology the affiliated People's Hospital of Jiangsu University 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