Autonomic dysfunction in cardiac amyloidosis assessed by heart rate variability and heart rate turbulence

Autonomic dysfunction in cardiac amyloidosis assessed by heart rate variability and heart rate turbulence
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通过心率变异性和心率波动评估心脏淀粉样变性的自主神经功能障碍

DOI:
10.1111/anec.12749
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发表时间:
2020
影响因子:
1.9
通讯作者:
Takeishi Yasuchika
Takeishi Yasuchika
中科院分区:
医学4区
文献类型:
--
作者:
Yamada Shinya;Yoshihisa Akiomi;Hijioka Naoko;Kamioka Masashi;Kaneshiro Takashi;Yokokawa Tetsuro;Misaka Tomofumi;Ishida Takafumi;Takeishi Yasuchika

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背景心脏淀粉样变性(CA)的特点是左心室肥厚(LVH)和淀粉样蛋白浸润导致的自主神经失衡。然而,自主神经功能障碍常见于其他病因引起的心力衰竭 (HF) 合并 LVH 中。我们的目的是从 LVH 的其他病因中表征 CA 的自主神经功能障碍。方法 纳入 55 名 LVH 的 HF 患者(35 名男性,平均年龄 65 ± 16 岁)。 LVH 定义为超声心动图测量的左心室质量指数,女性 >95 g/m2,男性 >115 g/m2。病因如下:淀粉样蛋白轻链 (AL)-CA,n= 14;肥厚型心肌病,n=21;和主动脉瓣狭窄(AS),n=20。在临床病情稳定的情况下,利用动态心电图监测反映自主神经功能障碍的心率变异性(HRV)和心率紊乱(HRT),并在三组之间进行比较。结果三组之间脑钠肽水平、左心室肥厚严重程度、左心室射血分数和组织多普勒指数E/e'没有差异。然而,AL-CA 的 HRV 和 HRT 严重异常。在识别 HF 合并 LVH 中的 AL-CA 的 ROC 分析中,所有 R-R 间期的标准差、5 分钟平均 R-R 间期的标准差、湍流起始和湍流斜率的最佳截止值为 68.5 ms (AUC: 0.865)、58.5 ms (AUC: 0.834)、0.25% (AUC:分别为 0.813) 和 1.00 ms/RR (AUC 0.736)。结论自主神经功能障碍是 AL-CA 的一个标志,通过动态心电图监测对其进行无创评估可能是鉴别诊断 HF 与 LVH 的有用工具。
BackgroundCardiac amyloidosis (CA) is characterized by left ventricular hypertrophy (LVH) and autonomic nervous imbalance due to amyloid infiltration. However, autonomic dysfunction is often seen in heart failure (HF) with LVH from other etiologies. We aimed to characterize autonomic dysfunction in CA from other etiologies of LVH.MethodsFifty‐five HF patients with LVH (35 males, mean age 65 ± 16 years) were enrolled. LVH was defined as left ventricular mass index measured by echocardiography >95 g/m2in women and 115 g/m2in men. The etiology was as follows: amyloid light chain (AL)‐CA,n= 14; hypertrophic cardiomyopathy,n= 21; and aortic stenosis (AS),n= 20. With the patient in a clinically stable condition, heart rate variability (HRV) and heart rate turbulence (HRT), which reflect autonomic dysfunction, were measured using Holter monitoring and compared among the three groups.ResultsBrain natriuretic peptide levels, LVH severity, left ventricular ejection fraction, and tissue Doppler index E/e′ did not differ among the three groups. However, severe abnormalities of HRV and HRT were obtained in AL‐CA. In the ROC analysis to identify AL‐CA in HF with LVH, the best cutoff value for standard deviation of all R‐R intervals, standard deviation of the 5‐min mean R‐R intervals, turbulence onset, and turbulence slope were 68.5 ms (AUC: 0.865), 58.5 ms (AUC: 0.834), 0.25% (AUC: 0.813), and 1.00 ms/RR (AUC 0.736), respectively.ConclusionAutonomic dysfunction is a hallmark of AL‐CA, and its noninvasive assessment by Holter monitoring may be a useful tool for differential diagnosis of HF with LVH.
DOI: 10.3109/13506120009146836
发表时间: 2000-09-01
期刊: AMYLOID-INTERNATIONAL JOURNAL OF EXPERIMENTAL AND CLINICAL INVESTIGATION
影响因子: --
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心肌病的 MRI 鉴别显示左心室肥厚和心力衰竭:心肌淀粉样变性、肥厚性心肌病和高血压性心脏病之间的鉴别
DOI: --
发表时间: 2013
影响因子: 2.1
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发表时间: 2002-02-01
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