A chinese study of gut microbiota in patients before and after cardiac surgery

we conducted a nested case-control study among patients undergoing off-pump coronary artery bypass grafting, focusing on postoperative delirium as the main outcome.Fecal samples were collected pre- and post-surgery to assess gut microbiota changes.

我们针对接受非体外循环冠状动脉旁路移植术（off-pump coronary artery bypass grafting）的患者开展了一项巢式病例对照研究，以术后谵妄作为主要结局指标。研究分别于术前及术后采集粪便样本，用以评估肠道菌群的变化情况。