MARK COLEMAN - Consultant Surgeon
Mark Coleman
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Tel: 01752 761834


A colonoscope is a long, flexible telescope, attached to a tv monitor. For colonoscopy, telescope is inserted though to back passage to examine the inside of the bowel (rectum and colon) It is carried out under a light anaesthetic injection and usually takes 30-40 minutes. During colonoscopy the bowel is inflated with air to allow visualisation of the lining. Biopsies (tissue samples) can be taken and polyps removed during the procedure. The day before the colonoscopy the bowel is prepared by taking a stong laxative drink (Picolax) accompanied by clear oral fluids.

Exact instructions will be sent out by post with the appointment (link to pt info). These instructions are important to adhere to as they help to obtain the best possible views of the bowel. Because of the anaesthetic, patients cannot drive or use machinery on the day of and the day after the procedure is carried out. Successful examination is possible in over 90% of cases. If full examination is not possible, completion of the examination requires an x-ray which, in most cases, is done on the same day. There is a very small risk of serious complications (less than 1 in 1000 procedures) such as perforation of the bowel or bleeding. Such eventualities will often require urgent surgery to rectify. It is normal to experience wind and mild bloating after the procedure. If severe of constant pain is present, urgent medical help should be sought.

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