X综合征的心脏自主神经变化及意义探讨Change and signifance of the autonomic cardial function in patients with X syndrome
舒茂琴,何国祥,宋志远,司良毅,王敏中,胡亚琴
摘要(Abstract)：
分析16例X综合征病人(X组)心率变异(HRIV)的时域及频域指标,选择20例健康对照组(C组)和 20例同样有心绞痛样症状(无心肌缺血),且高血压倒数和曾服药情况(β-阻滞剂和ACEI)与X组相似的另一对照组(N组).结果表明:N组和C组的HRV各项指标无统计学差异,而X组HRV的各项指标有程度不等的下降,其中代表迷走活性的指标(rMSSD、PNN50、HF)降低显著,此组的相对交感活性(LF/HF)增强,并有较快的24小时平均心率.提示X综合征患者心血管自主神经系统存在交感和副交感神经的失平衡现象.
关键词(KeyWords)： X综合征;心率变异
基金项目(Foundation):
作者(Author): 舒茂琴,何国祥,宋志远,司良毅,王敏中,胡亚琴
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