原发性肾病综合征儿童交感活性与24 h动态血压的关系

Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences(2010)

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Abstract
目的:探讨原发性肾病综合征(PNS)患儿动态血压(ABP)的异常变化和交感神经系统(SNS)活性及两者之间的关系.方法:对114例PNS儿童测ABP和随机血压(CBP),24 h尿去甲肾上腺素(NA)、肾上腺素(A)和多巴胺(DA)水平,并与ABP进行相关分析.结果:114例PNS儿童动态血压升高101例(88.6%),轻重度隐匿性高血压45例(39.5%),非杓型血压80例(70.2%).收缩压(SBP)指数与负荷大于舒张压(DBP).24 h尿NA,A和DA水平高于正常健康对照儿童.SNS水平与血压指数、血压负荷呈明显正相关,与夜间下降率呈明显负相关.结论:24 h动态血压监测发现PNS儿童高血压发病率高,非杓型血压、隐匿性高血压比例高;可以建立重度隐匿性高血压分类法;PNS儿童交感活性明显升高,可能是促使血压水平、血压负荷升高和夜间下降率减低的重要发病机制之一.
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Key words
Ambulatory blood pressure monitoring,Children,Primary nephrotic syndrome,Sympathetic nervous system
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