First progress report on the Japan Endoscopy Database (JED) project

Abstract

Objectives

The Japan Endoscopy Database (JED) Project was initiated to develop the world's largest endoscopic database, capture the actual performance of endoscopic practice, and standardize the terminology and fundamental items needed for a clinical and research registry. This paper presents a progress report on the first phase of this project undertaken at 8 endoscopic centers in Japan.

Methods

The list of data items to be collected was drafted by the MSED-J (Minimal Standard Endoscopic Database) subcommittee. These items were aggregated offline by integrating data from two endoscopic filing systems between July 2015 and December 2015. The study population included all patients who underwent esophagogastroduodenoscopy or colonoscopy at all 8 centers, patients who underwent enteroscopy at 5 of the 8 centers, and patients who underwent endoscopic retrograde cholangiopancreatography (ERCP) at 4 of the 8 centers.

Results

The data collected in this phase included 61,070 endoscopic procedures, of which 40,475 were esophagogastroduodenoscopies, 215 were enteroscopies, 19,204 were colonoscopies, and 1,176 were ERCPs. The frequencies of complications were 0.68% for esophagogastroduodenoscopy, 0% for enteroscopy, 0.43% for colonoscopy, and 13.34% for ERCP. In addition, we obtained various data including H. pylori infection status, past history of endoscopy in patients who underwent enteroscopy or colonoscopy, and degree of difficulty of ERCP, although the frequencies of reporting was sometimes low, with some items less than 20%.

Conclusions

The results of the first phase suggest that the JED project can provide vast quantities of useful data about endoscopic procedures.

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