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Study shows unsedated colonoscopy for colorectal cancer screening well accepted by patients
Date:10/26/2009

, 10: worst pain). Acceptance of the procedure was graded in four categories: excellent, good, fair, and poor. A trained nurse, who was blinded to the type of procedure, evaluated the severity of pain, acceptance of the procedure, and need for sedation immediately after the examination in a separate room without the presence of the endoscopist. Need for sedation was evaluated by asking the patient, ''Is sedation necessary for the endoscopic examination you just underwent?''

Results

Approximately 90 percent of patients surveyed after unsedated colonoscopy or sigmoidoscopy did not feel that sedation was necessary for the examination. No significant differences were seen in pain, acceptance, need for sedation, and the rate of complete examination between patients undergoing unsedated colonoscopy and sigmoidoscopy. No complications were noted during or after the procedure in either group. Only 9.4 percent of patients in the sigmoidoscopy group and 10.8 percent of patients in the colonoscopy group considered sedation necessary for the procedure. The patient's sex and the endoscopist who performed the procedure, but not the type of procedure, were associated with severity of pain and need for sedation. Women were more likely to request or demonstrate a desire for sedation.

Researchers acknowledged some study limitations, specifically that the choice between colonoscopy or sigmoidoscopy was not random, but rather was subject to the patient's preference because the examinations were self-paid. In addition, only 14 percent of eligible patients agreed to undergo unsedated colonoscopy. It may be argued that those patients might have had a higher threshold for pain. However, they concluded that primary colorectal cancer screening with unsedated colonoscopy is feasible and may be the first-choice strategy in most Asian countries because it is more effective and may save costs and time compared with sigmoidoscopy. The researchers advise that furt
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Contact: Anne Brownsey
abrownsey@asge.org
630-570-5635
American Society for Gastrointestinal Endoscopy
Source:Eurekalert

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