胃残留量监测在危重患者肠内营养中的应用

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目的:探讨胃残留量监测在危重患者肠内营养中的临床应用。方法选取住院无法维持自主进食需进行肠内营养的重症患者180例,随机分为对照组与观察组,每组90例。两组患者均选择鼻胃管作为肠内营养管饲的首要途径,采用复尔凯800营养泵以持续、均匀、低流速方式输注肠内营养液。对照组患者予以常规监护,实验组在常规监护的基础上实施胃残留量测定。结果实验组患者呕吐、腹胀、返流、胃潴留的发生率均明显低于对照组(均P<0.01),两组患者肠内营养结束4 h后GRV值比较有明显统计学差异( P<0.01),200 ml≥GRV>150 ml、250 ml≥GRV>200 ml及GRV>250 ml频繁误吸均明显高于少有误吸(均P<0.05)。结论胃残留量监测在危重患者肠内营养中的应用,可及时了解胃排空情况,评估胃肠道功能及误吸风险,明显降低胃肠道并发症的发生,避免误吸的发生。
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