[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100618963":3},{"organization":4,"outcomesModule":7,"designInfo":26,"detailedDescription":11,"studyPopulation":11,"armGroups":36,"interventions":49,"overallOfficials":11,"centralContacts":58,"locations":11,"responsibleParty":64,"collaborators":11,"id":68,"slug":11,"hasResults":69,"nctId":70,"briefTitle":71,"officialTitle":72,"acronym":73,"eligibilityCriteria":74,"healthyVolunteers":69,"sex":75,"minAge":76,"maxAge":11,"enrollmentInfo":77,"targetDuration":11,"studyType":80,"phases":81,"briefSummary":83,"conditions":84,"keywords":86,"overallStatus":91,"whyStopped":11,"lastUpdateSubmitDate":92,"lastUpdatePostDateStruct":93,"startDateStruct":96,"completionDateStruct":98,"leadSponsor":100,"locationsCount":11},{"fullName":5,"class":6},"Air Force Military Medical University, China","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":11},[9],{"measure":10,"description":11,"timeFrame":12},"pH value at middle-esophageal part at end of surgery",null,"at end of surgery",[14,17,19,21,23],{"measure":15,"description":11,"timeFrame":16},"number of gastric reflux episodes","from intubation of igel to end of surgery, at an average of 2 hours",{"measure":18,"description":11,"timeFrame":16},"total duration of gastric reflux episodes",{"measure":20,"description":11,"timeFrame":16},"longest duration of gastric reflux episodes",{"measure":22,"description":11,"timeFrame":12},"pH value at glottis at the end of surgery",{"measure":24,"description":11,"timeFrame":25},"percentage of patients suffering postoperative nausea and vomiting by 24 hours after surgery","from end of surgery to 24 hours after surgery",{"allocation":27,"interventionModel":28,"interventionModelDescription":11,"primaryPurpose":29,"observationalModel":11,"timePerspective":11,"maskingInfo":30},"RANDOMIZED","PARALLEL","PREVENTION",{"masking":31,"maskingDescription":11,"whoMasked":32},"TRIPLE",[33,34,35],"PARTICIPANT","CARE_PROVIDER","OUTCOMES_ASSESSOR",[37,44],{"label":38,"type":39,"description":40,"interventionNames":41},"Electrical stimulation","EXPERIMENTAL","Electrodes are pasted at the Neiguan, Zusanli, Gongsun, Taichong acupoints and electrical stimulation is given from anesthesia induction to end of surgery",[42,43],"Other: transcutaneous electrical acupoint stimulation","Other: electrodes attachment",{"label":45,"type":46,"description":47,"interventionNames":48},"Control","PLACEBO_COMPARATOR","Electrodes are pasted at the Neiguan, Zusanli, Gongsun, Taichong acupoints but no electrical stimulation is given",[43],[50,54],{"type":6,"name":51,"description":52,"armGroupLabels":53,"otherNames":11},"transcutaneous electrical acupoint stimulation","electrical stimulation at 2Hz\u002F10Hz is given from induction to end of surgery",[38],{"type":6,"name":55,"description":56,"armGroupLabels":57,"otherNames":11},"electrodes attachment","Electrodes are pasted to the skin of Neiguan, Zusanli, Gongsun, Taichong acupoints",[45,38],[59],{"name":60,"role":61,"phone":62,"phoneExt":11,"email":63},"Zhihong Lu","CONTACT","86-13891975018","deerlu23@163.com",{"type":65,"investigatorFullName":66,"investigatorTitle":67,"investigatorAffiliation":5,"oldNameTitle":11,"oldOrganization":11},"PRINCIPAL_INVESTIGATOR","Zhihong LU","Professor","100618963",false,"NCT07338448","Electrical Acupoint Stimulation on Gastric Reflux During I-gel Ventilation","The Effect of Electrical Acupoint Stimulation on Gastric Reflux During Anesthesia With I-gel Ventilation","ASGARD-igel","Inclusion Criteria:\n\n* age ≥18 years old\n* scheduled for surgery under general anesthesia with igel ventilation\n\nExclusion Criteria:\n\n* American society of anesthesiologists status higher than grade 3\n* history of gastrointestinal surgery\n* Currently taking acidic medications, or medications that affect gastric acid secretion or gastrointestinal motility\n* High risk of reflux or aspiration (e.g., symptomatic gastroesophageal reflux disease or hiatal hernia)\n* History of postoperative nausea and vomiting (PONV)\n* Intraoperative requirement of Trendelenburg position\n* Expected surgery duration exceeding 4 hours\n* Contraindications for acupoint electrical stimulation, such as patients with implanted electrophysiological devices, or skin infection\u002Flesions at acupoint sites","ALL","18 Years",{"count":78,"type":79},116,"ESTIMATED","INTERVENTIONAL",[82],"NA","This study will compare the effects of transcutaneous acupoint electrical stimulation versus no stimulation on intraoperative gastric reflux in patients undergoing general anesthesia with i-gel airway device ventilation.",[85],"Anesthesia",[87,88,89,90],"acupoint stimulation","general anesthesia","gastric reflux","igel","NOT_YET_RECRUITING","2026-01-03",{"date":94,"type":95},"2026-01-13","ACTUAL",{"date":97,"type":79},"2026-01-12",{"date":99,"type":79},"2026-07-31",{"name":5,"class":6}]