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床旁超声比较脂类物质含量不同两种营养液长期卧床老年患者胃排空差异性研究

宗 国, 何 丹, 林 娜

摘要

目的:通过床旁超声检查监测胃残余量 (Gastric residue volume,GRV),比较鼻饲两种脂类物质含量不同营养液后
老年患者胃排空的差异性,从而为鼻饲营养液选择提供参考,优化老年患者的营养方案。方法:选择鼻饲肠内营养治疗的
80例老年患者进行研究,随机分为参照组40例,研究组40例。鼻饲只有脂类物质含量不同两种营养液,参照组脂类物质
含量20mg/ml,研究组脂类物质含量30mg/ml。记录两组患者鼻饲营养液后胃排空的时间和喂养不耐受(包括腹泻、恶心呕吐、
胃排空障碍)的例数。结果:两组患者在年龄、性别、病情等基线资料上无显著差异,保证了研究结果的可靠性。参照组
与研究组老年患者平均胃排空时间分别为(87.5±25.70min)、(106.12±27.54min),二者差异均有统计学意义(P<0.05);
参照组与研究组老年患者不耐受发生率分别为7.5%、25%,二者差异存在统计学意义(P<0.05)。结论:在满足能量摄入
的前提下,老年鼻饲患者应给予脂类物质含量较低的营养液,可以缩短胃排空时间,有效减少临床上喂养不耐受的发生。

关键词

床旁超声;胃排空;老年患者;鼻饲营养液

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