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室间隔缺损患儿血浆脑钠素浓度与心功能关系的探讨

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摘要 目的研究室间隔缺损(VSD)患儿血浆脑钠素(BNP)水平的变化与心功能的关系。方法将48例VSD患儿分成2组,A组(室间隔缺损>0.5 cm)和B组(室间隔缺损≤0.5 cm),并按照小儿心衰改良Ross标准进行临床评分,同时选择正常对照组20例。采用酶联免疫吸附试验检测血浆BNP浓度,彩色多普勒测定左室舒张末期容量指数(LVEDVI)、左室收缩末期室壁应力(LVESWS)、心脏排血指数(CI)、左室射血分数(LVEF)。结果A组患儿血浆BNP浓度显著高于B组及正常对照组(P<0.01),其心功能参数(CI、LVEF、LVEDVI、LVESWS)与正常对照组比较也有显著性差异;而B组与正常对照组血浆BNP浓度及心功能参数比较均无明显改变。结论VSD>0.5 cm的患儿血浆BNP水平明显升高,VSD≤0.5 cm患儿血浆BNP水平无明显变化。提示血浆BNP水平能较好地反映VSD患儿的左心室功能的状态。
出处 《徐州医学院学报》 CAS 2005年第6期540-541,共2页 Acta Academiae Medicinae Xuzhou
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