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Differential diagnostic value of heart rate variability analysis in children with somatoform autonomic dysfunction and virus myocarditis
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- Author:
- No author available
- Journal Title:
- JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY
- Issue:
- 23
- DOI:
- 10.3321/j.issn:1000-2790.2004.23.013
- Key Word:
- 心率;自主神经系统疾病;心肌炎;诊断;儿童
Abstract： 目的: 探讨心率变异(HRV)对于儿童躯体形式自主神经紊乱及心肌炎鉴别诊断的意义. 方法: 对49例躯体形式自主神经紊乱患儿、47例病毒性心肌炎患儿、40例正常儿童行24 h动态心电图分析,观察HRV时域、频域十项指标24 h、清醒期和睡眠期的改变. 结果:躯体形式自主神经紊乱和心肌炎患儿均存在HRV异常,前者HRV升高,总功率谱密度(TP) [(4009±1005) vs (3121±569) ms2/Hz] (P<0.017 vs control), 高频(HF) [(831±371) vs (667±16) ms2/Hz] (P<0.017 vs control), 睡眠期与清醒期差值增大,HF [(497±210) vs (215±253) ms2/Hz] (P<0.017 vs control), pNN50 (27±16)% vs (14±17)% (P<0.017 vs control); 后者HRV持续降低,TP [(2647±1328) vs (3121±569) ms2/Hz] (P<0.017), HF [(305±199) vs (667±16) ms2/Hz] (P<0.017); 睡眠期与清醒期差值减小或消失, HF [(7±42) vs (215±253) ms2/Hz] (P<0.017), pNN50 (1±6)% vs (14±17)% (P<0.017). 结论: HRV对于躯体形式自主神经紊乱及心肌炎患儿的诊断和鉴别诊断具有重要意义.
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