Status of Management of Surgery in Beijing During COVID-19
Gastric CancerColorectal Cancer1 moreThis is a multi-centered, retrospective, observational study aimed at observing the current status of the management of gastrointestinal surgery during the COVID-19 pandemic, particularly the changes on surgery protocols and other key aspects of surgical workflow, so as to share experience with colleagues both domestic and abroad.
Frequency of Functional Gastrointestinal Disorders in Children
Functional Abdominal Pain Syndromecross sectional study to detect frequency of functional gastrointestinal disorders among schhol aged children complaining of recurrent abdominal pain
A Prospective Multi-Center Research on Bowel Dysfunction After Sphincter Preservative Surgery
Bowel DysfunctionRectal CancerThis research plans to collect rectal cancer patients after sphincter-preserving surgery from 14 institutions in China mainland, observe the incidence and risk factors about bowel dysfunction after operation.
Molecular, Pathologic and MRI Investigation of the Prognostic and Redictive Importance of Extramural...
AdenocarcinomaRectal Diseases19 moreExtramural venous invasion (EMVI) is the spread of microscopic tumour cells into the veins around the tumour. Rectal cancer treatment has improved greatly over recent years. However, it is important for us to learn as much about the tumours as possible in order to develop newer therapies. Current treatments may benefit from new genetic information relating to the cancer. We hope to identify genetic differences in certain types of rectal cancer which will allow future treatments.
The Clinical Impact and Outcomes of Interventional Endoscopy Procedures
Gastrointestinal DiseasesThe main purpose of the protocol is to collect and evaluate performance data after patients undergoing various interventional endoscopy procedures performed at H. H. Chao Comprehensive Digestive Disease Center (CDDC).