This study is the evaluation of ultrafine endoscope (with small caliber and turning radius )for colonoscopy in decreasing abdominal pain of patients . 60 patients will be accepted in this trial.
The aim of this study is to investigate the advantages of an endoscope with smaller turning radius and softer insert section in reducing patients' abdominal pain in colonoscopy. Transnasal gastroscope was selected in this study , because of its small caliber (5.9mm) and small turning radius . Visual analogue scale(VAS),cecum intubation time and cecum intubation rate were evaluated.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
SINGLE
Enrollment
60
Ultrafine endoscope reaching to the cecum within 15mins is thought to be successful.Water colonoscopy with standard colonoscope will be performed in unsuccessful subjects subsequently.
The Gastroenterology Department of The 1st Affiliated Hospital of Harbin Medical University
Harbin, Heilongjiang, China
VAS abdominal pain scores
VAS abdominal pain scores include pain scores in the insertion phase of splenic flexure,hepatic flexure,and ileocecal junction.(0=no pain and 10=most severe pain imaginable).
Time frame: up to two months
Cecum intubation time
Insertion time from rectum to reach the cecum.
Time frame: up to two months
The time to reach the splenic flexure
Insertion time from rectum to reach the flexure.
Time frame: up to two months
The time to reach the hepatic flexure
Insertion time from rectum to hepatic flexure.
Time frame: up to two months
The success rate of the cecal intubation within 15 minutes
Percentage of successful colonoscopy (insertion of ultrafine endoscope into cecum within 15 minutes).
Time frame: up to two months
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