新生儿败血症代谢物群特点研究
Chinese Journal of Neonatology（2021）
Abstract
目的:探讨超高效液相色谱-四级杆飞行时间串联质谱（ultra-high performance liquid chromatography/quadrupole time-of-flight mass spectrometer，UHPLC/Q-TOF-MS）技术在新生儿败血症早期诊断中的应用。方法:前瞻性选择2019年1月至2020年1月在湖南省人民医院新生儿科住院的新生儿败血症患儿为败血症组，选择同期门诊体检的健康新生儿为对照组，取患儿入院第1天/体检当天的静脉血标本，采用UHPLC/Q-TOF-MS技术进行代谢组学分析，探讨败血症患儿代谢产物特点。结果:共纳入败血症组20例，对照组10例。败血症组患儿血苯丙氨酸、法尼基焦磷酸、6-磷酸葡萄糖、乳糖、4-羟基甲苯丁酰胺、伊洛前列素、顺式8，11，14，17-二十碳四烯酸、皮质酮、雌三醇3-硫酸盐16-葡糖醛酸、苯乙酰胺、血氧烷B2、二氯二甲基二乙胺共12种代谢产物高于对照组（ P<0.05），采用受试者工作特征曲线对这些代谢物进行可信度分析，得到7种可信度较高的代谢物，分别为4-羟基甲苯丁酰胺、皮质酮、雌三醇3-硫酸盐16-葡糖醛酸、法尼焦磷酸、6-磷酸葡萄糖、苯乙酰胺、苯丙氨酸。 结论:新生儿败血症患儿代谢产物明显异常，4-羟基甲苯丁酰胺、皮质酮、雌三醇3-硫酸盐16-葡糖醛酸、法尼基焦磷酸、6-磷酸葡萄糖、苯乙酰胺、苯丙氨酸7种代谢物水平明显升高。
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