Ear-Vagus Nerve Stimulation and Body Acupuncture for Gut Motility in Elderly ICU Patients

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This study aims to investigate whether acupuncture, specifically a combination of body acupuncture and ear vagus nerve stimulation (taVNS), can improve gastrointestinal function in critically ill elderly patients in the Intensive Care Unit (ICU). Gastrointestinal motility problems, such as delayed stomach emptying and constipation, are common in elderly ICU patients and can interfere with feeding, increase infection risk, and worsen outcomes. This research will test if adding acupuncture to standard care helps patients tolerate tube feeding (enteral nutrition) faster, reduces the need for intravenous nutrition, and improves overall recovery. Participants will be randomly assigned to one of three groups: standard care alone, standard care plus body acupuncture, or standard care plus both body acupuncture and ear vagus nerve stimulation. The study will compare the time it takes to achieve target feeding goals, changes in gastrointestinal function scores, and other clinical outcomes. This single-center, prospective, randomized controlled trial will enroll 60 elderly patients from the Geriatric ICU of Jiangsu Province Hospital and aims to provide evidence for integrating traditional Chinese medicine into critical care practice.