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肠道微生物和代谢物概况在肠切除后小肠口腔瘤的婴儿
Hannah G Piper1, Michael Bording-Jorgensen2, Simona Veniamin2
1Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada.
Journal of pediatric gastroenterology and nutrition
|July 24, 2024
概括
患有小肠口腔的婴儿在口腔排水中具有独特的肠道细菌和代谢副产品. 这些差异与生长不良和肠道耐受性相关,影响营养吸收.
科学领域:
- 新生儿手术 新生儿手术
- 胃肠病学 胃肠病学
- 微生物组研究的研究.
背景情况:
- 患有小肠口腔瘤 (SBstoma) 的婴儿经常经历吸收不良,需要食管营养 (PN).
- 仅仅根据解剖学来预测肠道吸收是具有挑战性的.
- 这项研究研究了口腔排泄物微生物群和代谢物,以了解吸收.
研究的目的:
- 描述肠道细菌组和胃口污水中的代谢副产品.
- 将这些发现与临床特征和肠道吸收相关联.
- 确定生物标志物来预测患有SBstoma的婴儿的结果.
主要方法:
- 对新生儿进行前性队列研究,SBstoma (N=23) 和结肠口检查 (N=6).
- 采集了16S rRNA测序 (细菌体),短链脂肪酸 (SCFA) 和胆汁酸 (BA) 的体样本.
- 评估液体和能量损失,与肠道长度,PN依赖性和生长相关.
主要成果:
- 与对照组相比,小肠≤50%的婴儿损失了更多的液体,但能量损失与对照组相比相似.
- 发育不良的婴儿在肠道细菌组中表现出蛋白质细菌的丰富.
- 增加的二次胆酸与预后不佳的因素相关,如肠道长短和高PN依赖.
结论:
- 患有SBstoma和生长不良的婴儿表现出不同的细菌群.
- 胃口排水中的代谢差异与肠道耐受性差有关.
- 微生物群和代谢物分析提供了对SBstoma新生儿吸收和生长的见解.
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