Sedation Versus No Sedation for Detection Rates of Precancerous Lesions and Cancer

Sedation Versus No Sedation for Diagnostic Esophagogastroduodenoscopies and Detection Rates of Precancerous Lesions and Cancer: a Case-control Study

The influence of sedation on the endoscopic detection rate of the precancerous lesions and cancer of upper digestive system has not been assessed. In the daily medical routine of China, patients have the right to choose the sedation style according to his or her own situation, whose detailed endoscopic data of patients are recorded in the endoscopy quality control system. The aim of this research is to detect whether the use of sedation can help improve detection rate of precancerous lesions and cancer of upper digestive system.

The influence of sedation on the endoscopic detection rate of the precancerous lesions and cancer of upper digestive system has not been assessed. In the daily medical routine of China, patients have the right to choose the sedation style according to his or her own situation, whose detailed endoscopic data of patients are recorded in the endoscopy quality control system. The aim of this research is to detect whether the use of sedation can help improve detection rate of precancerous lesions and cancer of upper digestive system.

Inclusion Criteria:

• Patients aged more than 18 years with or without GI symptoms attending for endoscopy from 2012 to 2019.

Exclusion Criteria:

• Patients unable to cooperated the endoscopy or unable to complete it. People with endoscopy contraindications are naturally excluded.