obscure gastrointestinal bleeding
Conditions
Interventions
magnetic-controlled capsule endoscopy:In this group of patients, the capsule endoscopy was sent to the duodenum and the duodenum was observed by magnetic control. Then the magnetic control was not use
conventional capsule endoscopy:After swallowing conventional capsule endoscopy, the patients were performed according to the routine examination process, that is, there was no external force to contro
Sponsors
West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
15 Years to 99 Years
Inclusion criteria
Inclusion criteria: The following criteria must also be met: (1) Symptoms of gastrointestinal bleeding, including hematemesis (vomiting of coffee-like gastric contents or blood), melena, bloody stool and positive fecal occult blood (2)Esophagogastroduodenoscopy and colonoscopy were negative, and abdominal CT did not suggest lesions suspected for gastrointestinal bleeding (e.g small intestinal stromal tumor, etc.)
Exclusion criteria
Exclusion criteria: Exclusion was required if any of the following criteria were met: (1) no informed consent was obtained (2) pregnant or lactating (3) suspected or known gastrointestinal obstruction, stenosis, sinus formation, or dysphagia (4) refusal or lack of surgical conditions (in case of capsule retention requiring surgical removal) (5) have MRI-incompatible intracorporeal metal or electrical implantable devices (e.g., pacemakers, cochlear implants, nerve stimulators, etc.) (6) inability to cooperate due to physical or mental illness (7) currently participating in other clinical studies
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| diagnosis efficiency; | — |
Secondary
| Measure | Time frame |
|---|---|
| Length of stay;Completion rate of total small bowel examination ;Capsule retention rate ;endoscopic intervention rates;transcatheter arterial embolization intervention rates;surgical intervention rates; | — |
Countries
China
Contacts
Public ContactXue Xiao
Department of Gastroenterology and Hepatology, West China Hospital, Sichuan University
Outcome results
None listed