Patients with obscure gastrointestinal bleeding are defined as those who have overt bleeding such as hematemesis, melena, or hematochezia, and have negative results on both upper endoscopy and colonoscopy. Digestive System
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. A confirmed diagnosis of obscure gastrointestinal bleeding (OGIB) 2. Admission to one of the following institutions: The First Affiliated Hospital of Zhengzhou University, Henan Provincial People’s Hospital, or Qinghai Provincial People’s Hospital 3. Underwent single-balloon enteroscopy (SBE) between January 2016 and December 2024
Exclusion criteria
Exclusion criteria: 1. Declined to participate in the follow-up 2. Were lost to follow-up during the study period
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Re-bleeding events, defined as the recurrence of overt gastrointestinal bleeding such as hematemesis, melena, or hematochezia after the initial complete or incomplete single balloon enteroscopy. Clinical presentation, diagnosis, and interventions at the time of re-bleeding are collected from patient records | — |
Secondary
| Measure | Time frame |
|---|---|
| Clinical findings and diagnoses from the initial single balloon enteroscopy, either complete or incomplete, are collected from patient records | — |
Countries
China