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Training in early gastric cancer diagnosis improves the detection rate of early gastric cancer: an observational study in China.

Abstract：

:Few studies have analyzed the training of endoscopists in the diagnosis of early gastric cancer (EGC). This study assessed whether specific training of endoscopists improves the detection rate of EGC. The rates of detection of EGC by endoscopists at the Digestive Endoscopy Center of the Affiliated Nanfang Hospital of China Southern Medical University between January 2013 and May 2014 were retrospectively analyzed. Because some endoscopists received training in the diagnosis of EGC, beginning in September 2013, the study was divided into 3 time periods: January to September 2013 (period 1), September 2013 to January 2014 (period 2), and January to May 2014 (period 3). The rates of EGC detection during these 3 periods were analyzed. From January 2013 to May 2014, a total of 25,314 gastroscopy examinations were performed at our center, with 48 of these examinations (0.2%) detecting EGCs, accounting for 12.1% (48/396) of the total number of gastric cancers detected. The EGC detection rates by trained endoscopists during periods 1, 2, and 3 were 0.3%, 0.6%, and 1.5%, respectively, accounting for 22.0%, 39.0%, and 60.0%, respectively, of the gastric cancers detected during these time periods. In comparison, the EGC detection rates by untrained endoscopists during periods 1, 2, and 3 were 0.05%, 0.08%, and 0.10%, respectively, accounting for 3.1%, 6.0%, and 5.7%, respectively, of the gastric cancers detected during these times. After training, the detection rate by some trained endoscopists markedly increased from 0.2% during period 1 to 2.3% during period 3. Further, the use of magnifying endoscopy with narrow-band imaging (M-NBI) (odds ratio = 3.1, 95% confidence interval 2.4-4.1, P < 0.001) contributed to the diagnosis of EGC. In conclusion, specific training could improve the endoscopic detection rate of EGC. M-NBI contributed to the diagnosis of EGC.

journal_name

Medicine (Baltimore)

journal_title

Medicine

authors

Zhang Q,Chen ZY,Chen CD,Liu T,Tang XW,Ren YT,Huang SL,Cui XB,An SL,Xiao B,Bai Y,Liu SD,Jiang B,Zhi FC,Gong W

doi

10.1097/MD.0000000000000384

subject

Has Abstract

pub_date

2015-01-01 00:00:00

pages

e384

issue

eissn

0025-7974

issn

1536-5964

pii

00005792-201501020-00010

journal_volume

pub_type

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Training in early gastric cancer diagnosis improves the detection rate of early gastric cancer: an observational study in China.