To investigate whether the positive rates of methane and hydrogen breath test were different between the experimental group and the control group.
Age 18-65 years old and gender;
Patients with functional gastrointestinal disease are characterized by abdominal symptoms (abdominal distension, early satiety, diarrhea, constipation, abdominal pain, etc.)
have the autonomy to complete methane and hydrogen breath testing and gastrointestinal symptom scoring independently or with medical assistance;
able to complete the signing of informed consent as required.
Patients whose gastroenteroscopy within one year indicated malignant tumor of digestive tract, or whose above examination proved peptic ulcer within two months;
A history of malignant tumors of the digestive system (not limited to the digestive tract), a history of inflammatory bowel disease, or a history of false or mechanical ileus;
Gastrointestinal resection, appendectomy and cholecystectomy within one year;
History of gastrointestinal perforation, gastrointestinal bleeding, cholangitis, acute and chronic pancreatitis within one year;
Shanghai Jiao Tong University School of Medicine
Lead sponsor
First Affiliated Hospital, Sun Yat-Sen University
Collaborator
West China Hospital
Collaborator
First Affiliated Hospital of Kunming Medical University
Collaborator
Second Affiliated Hospital, School of Medicine, Zhejiang University
Collaborator