CC BY-NC-ND 4.0 · Endosc Int Open 2018; 06(10): E1190-E1197
DOI: 10.1055/a-0655-7382
Original article
Owner and Copyright © Georg Thieme Verlag KG 2018

Differences in upper gastrointestinal neoplasm detection rates based on inspection time and esophagogastroduodenoscopy training

Shoichi Yoshimizu
Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
,
Toshiaki Hirasawa
Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
,
Yusuke Horiuchi
Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
,
Masami Omae
Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
,
Akiyoshi Ishiyama
Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
,
Toshiyuki Yoshio
Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
,
Tomohiro Tsuchida
Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
,
Junko Fujisaki
Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
› Author Affiliations
Further Information

Publication History

submitted 14 March 2018

accepted after revision 25 June 2018

Publication Date:
08 October 2018 (online)

Abstract

Background and study aims Esophagogastroduodenoscopy (EGD) has utility in early detection of upper gastrointestinal (UGI) neoplasms. However, previous studies report shorter inspection times and inexperienced endoscopists contribute to overlooking gastric neoplasms. We investigated neoplasm detection rates according to inspection time and extent of EGD training.

Patients and methods In this retrospective observational study, we reviewed routine EGDs for 3,925 consecutive cases between October 2014 and March 2015. We divided the endoscopists into three groups based on median inspection time during EGD without undergoing biopsy. Using cut-off median inspection times of 7 and 10 minutes, three, five, and eight endoscopists were classified into the fast, moderate, and slow groups, respectively. We compared detection rates according to inspection time and the extent of EGD training.

Results The median inspection time among all endoscopists was 9.3 minutes (range, 6.6 – 12.0 min). The detection rate for UGI neoplasms was as follows: fast group, 3.6%; moderate group, 3.3 %; and slow group, 3.1 % (P = 0.807). The median inspection time was significantly shorter among the intensive training ≥ 1-year group than among the < 1-year group (< 1-year: median 6.3 min; range 8.2 – 13.9 min, ≥ 1-year: median 8.9 min; range 6.4 – 11.4 min, P < 0.001). The detection rate for UGI neoplasms was significantly higher among the intensive training ≥ 1-year group than among the < 1-year group (< 1-year: 2.2 %; ≥ 1-year: 3.7 %, OR = 1.65, 95 % CI: 1.02 – 2.68, P = 0.041).

Conclusions There was no association between inspection times and neoplasm detection rates. The quality of EGD, as measured by neoplasm detection rates, may be improved by ≥ 1-year of intensive training.