胆囊切除术后肠道微生物群遵循时间变化的变化-试点研究
Yu-Tse Chiu1,2,3, Fu-Jen Lee1,3, Chen-Ya Kuo1,3
1Division of Gastroenterology and Hepatology, Department of Internal Medicine Fu Jen Catholic University Hospital New Taipei City Taiwan.
胆囊切除术后腹 (PCD) 与肠道微生物群随着时间的推移而发生的变化有关. 这项研究观察到微生物多样性和特定细菌种群的显著变化,这表明对了解PCD至关重要的时间依赖关系.
科学领域:
- 胃肠病学 胃肠病学
- 微生物学 微生物学
- 外科手术 医疗外科手术
背景情况:
- 肠道微生物群在胆囊切除术后腹 (PCD) 中起着关键作用.
- 随着时间的推移,PCD症状会减少,这表明微生物群的变化取决于时间.
- 了解这些时间变化对于管理PCD至关重要.
研究的目的:
- 在胆囊切除术后的不同时间点分析肠道微生物群组成和多样性.
- 为了澄清肠道微生物群与PCD相关的时间变化的特征.
- 研究特定微生物种群与PCD发展之间的关系.
主要方法:
- 预期招募20至70岁的患者进行腹腔镜胆囊切除术.
- 排除了以前经历过腹部手术,全身疾病或最近使用抗生素/益生菌/PPI的受试者.
- 在基线,手术后6个月和12个月的便样本分析使用R phyloseq,LEfSe和metagenomeSeq.
主要成果:
- 手术后6个月,微生物多样性显著降低 (p=0.036/0.002).
- 细菌种群中观察到明显的变化,包括增加的*Fusobacterium*和*Prevotella*,以及改变的*Lactobacillus*/*Ruminococcus*水平.
- 6个月后*Firmicutes*/*Bacteroidetes*比率下降表明与易怒肠综合征不同的机制.
结论:
- 这项研究表明,在胆囊切除术后,肠道微生物多样性和组成的趋势随时间变化而变化.
- 观察到的微生物转移与胆囊切除术后的腹有关.
- 需要进行更大规模的研究来验证这些依赖时间的发现.
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