The purpose of this study is to assess whether confocal laser endomicroscopy can reduce the biopsy number needed per patient for the detection of gastric intestinal metaplasia without the loss of corresponding diagnostic yield.
Gastric intestinal metaplasia is a well-known premalignant lesions for intestinal type gastric cancer. However, present guidelines such as the updated Sydney System require multiple biopsies whereas reveal an unsatisfactory yield considering the detection and surveillance of these lesions. Confocal laser endomicroscopy is a newly developed endoscopic device that enables microscopic view of the digestive tract. Previous study has showed high sensitivity and specificity for in vivo diagnosis of gastric intestinal metaplasia using confocal laser endomicroscopy. This study aims to assess the real number of biopsies that can be reduced for the detection of gastric intestinal metaplasia using confocal laser endomicroscopy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
SINGLE
Enrollment
168
Pentax EC3870K, Tokyo, Japan
Pentax EG-2931 gastroscope
Department of Gastroenterology, Qilu Hospital, Shandong University
Jinan, Shandong, China
the diagnostic yield of gastric intestinal metaplasia
Time frame: Seven months
the biopsy number needed in each group
Time frame: Seven months
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