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首页> 外文期刊>Circulation journal >Right atrial anatomical remodeling affects early outcomes of nonvalvular atrial fibrillation after radiofrequency ablation
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Right atrial anatomical remodeling affects early outcomes of nonvalvular atrial fibrillation after radiofrequency ablation

机译：右房解剖结构改变影响射频消融后非瓣膜性心房颤动的早期结果

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Background: The impact of the right atrial (RA) anatomical remodeling on outcomes of atrial fibrillation (AF) after radiofrequency ablation (RFA) is unclear. Methods and Results: Sixty-three patients (50 men, 57±10 years, 23 persistent AF [PeAF]) who underwent RFA for AF were enrolled. Both RA and left atrial (LA) volumes, measured with multidetector computed tomography, as well as echocardiographic parameters were compared between subjects with early (3 months, n=13) or 1-year (n=19) recurrence after RFA and without recurrence. The RA volume index (RAVI) was larger (98±21 vs. 77±22 ml/ m 2) and PeAF was more common (62% vs. 30%) in the early recurrence group (P0.05 for all), whereas the LA volume index (LAVI) was similar between the 2 groups (78±15 vs. 72±19 ml/m 2, P=0.23). Notably, RAVI was the only independent predictor of early recurrence (for each 10 ml/m 2 increase, OR: 1.650, 95%CI: 1.017-2.677, P=0.04). PeAF was the only independent predictor of 1-year recurrence after RFA (OR: 4.496, 95%CI: 1.110-18.211, P=0.04), whereas RAVI and LAVI were not. Conclusions: RA anatomical remodeling might affect the early recurrence of AF after RFA. However, the chronicity of AF, rather than RA and LA anatomical remodeling, is a determinant of 1-year recurrence of AF after RFA.
机译：背景：射频消融（RFA）后右心房（RA）解剖结构重构对房颤（AF）结局的影响尚不清楚。方法和结果：纳入了63例接受RFA进行AF的患者（50名男性，57±10岁，23持续性AF [PeAF]）。比较使用RF术后复发（<3个月，n = 13）或1年（n = 19）且未进行RFA复发的受试者的多探测器计算机断层扫描测量的RA和左心房（LA）体积，以及超声心动图参数。复发。在早期复发组中，RA体积指数（RAVI）较大（98±21对77±22 ml / m 2），PeAF较常见（62％对30％）（所有P均＜0.05），而两组之间的LA体积指数（LAVI）相似（78±15对72±19 ml / m 2，P = 0.23）。值得注意的是，RAVI是早期复发的唯一独立预测因子（每增加10 ml / m 2，或：1.650，95％CI：1.017-2.677，P = 0.04）。 PeAF是RFA后1年复发的唯一独立预测因子（OR：4.496，95％CI：1.110-18.211，P = 0.04），而RAVI和LAVI并非如此。结论：RA解剖重塑可能会影响RFA后房颤的早期复发。然而，房颤的慢性而不是RA和LA的解剖重塑是RFA后房颤1年复发的决定因素。

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