Department of Cardiovascular Surgery of Nanfang HospitalGuangdong Regional Medical Ethics Committee of Nanfang HospitalGastrointestinal dysfunctioncardiac arresttranscutaneous electrical acupoint stimulationChinese Trial Registryacupressure
…ure or TEAS for 3 days. The patients will be recruited from the Department of Cardiovascular Surgery of Nanfang Hospital. The primary outcome is the time of the first postoperative ana…