サトウ　キヨウコ   SATOU Kiyouko   佐藤　恭子    所属   医学部 医学科（附属足立医療センター）    職種   講師
論文種別	原著
言語種別	英語
査読の有無	査読あり
表題	Rhythm-independent feature of heart rate dynamics common to atrial fibrillation and sinus rhythm in patients with paroxysmal atrial fibrillation.
掲載誌名	正式名：Journal of cardiology 略　 称：J Cardiol ISSNコード：0914-5087(Print)0914-5087(Linking)
巻・号・頁	42(6),pp.269-76
著者・共著者	Sato Kyoko, Yamasaki Fumiyasu, Furuno Takashi, Hamada Tomio, Mukai Seiji, Hayano Junichiro, Sugiura Tetsuro, Doi Yoshinori
担当区分	筆頭著者
発行年月	2003/12
概要	OBJECTIVES:To examine if the long-range correlation in heart rate variability is a rhythm-independent characteristic common to both atrial fibrillation (AF) and sinus rhythm (SR) periOBJECTIVES:ods in patients with paroxysmal atrial fibrillation (PAF).METHODS:Holter electrocardiography was analyzed during sleep in 18 patients with paroxysmal atrial fibrillation during the atrial fibrillation (PAF-AF) and sinus rhythm (PAF-SR) periods, and also in 19 healthy controls with sinus rhythm (CTR-SR). The heart rate dynamics were assessed with the power-law spectral exponent (slope) of the log-log power spectrum between 0.0001 Hz and the breakpoint frequency.RESULTS:The slope showed a significant correlation between PAF-SR and PAF-AF (r = 0.614, pRESULTS:<RESULTS:0.01). During sinus rhythm, the slope in paroxysmal atrial fibrillation with cardiovascular disease [PAF-SR (cvd+)RESULTS:]RESULTS:was steeper than that in paroxysmal atrial fibrillation without cardiovascular disease [PAF-SR (cvd-)RESULTS:]RESULTS:(pRESULTS:<RESULTS:0.05). Although the slope was comparable between PAF-SR (cvd-) and CTR-SR, the slope in PAF-SR (cvd+) was steeper than that in CTR-SR (pRESULTS:<RESULTS:0.05). A similar tendency was shown during atrial fibrillation. The slope in paroxysmal atrial fibrillation with cardiovascular disease [PAF-AF (cvd+)RESULTS:]RESULTS:was steeper than that in paroxysmal atrial fibrillation without cardiovascular disease [PAF-AF (cvd-)RESULTS:]RESULTS:(pRESULTS:<RESULTS:0.05). Although the slope was comparable between PAF-AF (cvd-) and CTR-SR, the slope in PAF-AF (cvd+) tended to be steeper than that in CTR-SR.CONCLUSIONS:The long-range correlation in heart rate variability during sleep was a rhythm-independent characteristic and so may have a similar clinical value during atrial fibrillation and sinus rhythm in patients with paroxysmal atrial fibrillation.
文献番号	14723019