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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 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 |
|
| Control | Placebo Comparator | Electrodes are pasted at the Neiguan, Zusanli, Gongsun, Taichong acupoints but no electrical stimulation is given |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| transcutaneous electrical acupoint stimulation | Other | electrical stimulation at 2Hz/10Hz is given from induction to end of surgery |
|
| Measure | Description | Time Frame |
|---|---|---|
| pH value at middle-esophageal part at end of surgery | at end of surgery |
| Measure | Description | Time Frame |
|---|---|---|
| number of gastric reflux episodes | from intubation of igel to end of surgery, at an average of 2 hours | |
| total duration of gastric reflux episodes | from intubation of igel to end of surgery, at an average of 2 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Zhihong Lu | Contact | 86-13891975018 | deerlu23@163.com |
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| ID | Term |
|---|---|
| D005764 | Gastroesophageal Reflux |
| C564133 | Ige Responsiveness, Atopic |
| ID | Term |
|---|---|
| D015154 | Esophageal Motility Disorders |
| D003680 | Deglutition Disorders |
| D004935 | Esophageal Diseases |
| D005767 | Gastrointestinal Diseases |
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| electrodes attachment | Other | Electrodes are pasted to the skin of Neiguan, Zusanli, Gongsun, Taichong acupoints |
|
| longest duration of gastric reflux episodes | from intubation of igel to end of surgery, at an average of 2 hours |
| pH value at glottis at the end of surgery | at end of surgery |
| percentage of patients suffering postoperative nausea and vomiting by 24 hours after surgery | from end of surgery to 24 hours after surgery |
| D004066 | Digestive System Diseases |