The purpose of this study is to compare the performance of a new prototype colonoscope with a standard colonoscope used world-wide today. The prototype colonoscope is more flaccid with a smaller diameter than the standard colonoscope. The hypothesis to be tested is that the prototype will improve negotiation of sharp bends and inflict less discomfort or pain to the patient. Both colonoscopes are manufactured by the same company.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
SINGLE
Enrollment
190
Screening colonoscopy with a prototype colonoscope
Screening colonoscopy
Sørlandet Sykehus HF
Kristiansand, Norway
Patients´ evaluation of pain and discomfort
Analysis of validated feed-back questionnaires to be filled in on the day after the proceudre by the trial participants.
Time frame: 24 hours
Time used to reach the caecum
The time used to reach the caecum will be recorded with a stop watch during the procedure.
Time frame: 1 hour
Need for sedation/analgesics during the colonoscopy procedure
If sedation/analgesics is administered during the colonoscopy procedure, the name of the agent, dose and route of administration will be recorded immediately.
Time frame: 1 hour
Need to change to a different colonoscope to complete the procedure
If the colonoscopist decides to change to a different colonoscope during the procedure, the reason is recorded immediately after the procedure. The number of procedures where there is a change of colonoscope will be recorded.
Time frame: 10 minutes
Caecum intubation rate
The colonic segment reached during each colonoscopy is recorded immediately following the procedure. Caecal intubation rate describes the number of complete colonoscopies.
Time frame: 30 minutes
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