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 24 May 2018

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News

Oil-lubricated colonoscopy is easier and less painful

April's issue of Endoscopy finds that the proposed technique could be a simple, safe, and inexpensive method for easier and less painful colonoscopy as well as facilitate difficult examinations.

News image

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Methods of lubrication are rarely considered to be a matter for study in gastrointestinal endoscopy.

Dr Brocchi and colleagues from Italy evaluated a new technique, i. e. the release of seed oil in discrete amounts from the tip of the scope during colonoscopy.

346 consecutive patients prospectively underwent colonoscopy with a standard lubricating method, using water-soluble jelly in group A or with the standard method plus corn oil instillations through the biopsy channel in group B.

The researchers evaluated variables in the 2 groups that included the success rate for total intubation, and the time required to reach the cecum; the time needed to examine the colon at withdrawal.

The research team also evaluated the detection rates for colorectal diseases; the level of pain and degree of difficulty associated with the examination.

Successful intubation to the cecum was significantly more frequent in the oil lubrication group
Endoscopy

The investigators asked patients in whom total colonoscopy was not achieved to undergo a further examination in which the other lubricating technique was used.

Successful intubation to the cecum was significantly more frequent in the oil lubrication group than in the control group, and less time was needed.

The researchers found no significant differences with regard to time for examination at withdrawal and detection rates for colorectal diseases.

The investigators observed that the level of pain and degree of difficulty during colonoscopy were significantly lower in the oil group.

In the cross-over examinations done in patients in whom total colonoscopy was not achieved, no statistical difference was found between the two groups.

The research team noted no side effects for patients or damage to the instrument.

Dr Brocchi’s team concludes, “The proposed technique could be a simple, safe, and inexpensive method for easier and less painful colonoscopy; moreover, it might facilitate difficult examinations.”

“Further studies are needed to confirm our data and to ensure that the use of this technique is not liable to damage the scope.”

Endoscopy 2005: 37: 340-345
20 April 2005

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