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Colorectal Dis. 2012 Oct;14(10):e735-9. doi: 10.1111/j.1463-1318.2012.03107.x.

Colonoscopic enema as rescue for inadequate bowel preparation before colonoscopy: a prospective, observational study.

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1
Digestive Disease Center, Showa Inan General Hospital, Komagane, Japan. horiuchi.akira@sihp.jp

Abstract

AIM:

Colonoscopy may need to be rescheduled because of inadequate bowel preparation. We evaluated the effectiveness of colonoscopic enema as rescue for an inadequate 1-day bowel preparation before colonoscopy.

METHOD:

Patients referred for afternoon colonoscopy were prospectively enrolled in the study during a 1-year period. Patients took bowel preparation (polyethylene glycol) solution on the morning of the endoscopy. If during colonoscopy the bowel preparation was poor, an enema of polyethylene glycol solution (500 ml) was instilled into the colon at the level of the hepatic flexure via the biopsy channel of the colonoscope which was then removed. The patient was allowed to recover from the propofol sedation and used the bathroom to evacuate the enema. The colonoscope was then introduced and the examination continued.

RESULTS:

Of 504 patients undergoing colonoscopy, 26 (4.9%) received an enema. The median age was 59 (29-79) years and 19 (73%) were female. A subsequent successful colonoscopy was achieved in 25/26 (96%). There were no complications. The mean time spent for the entire colonoscopy from the initial preparation to the end of the examination including the enema was 7.6± 1.1h (5.4 h preparation, 0.2h first colonoscopy+enema, 0.66h waiting in the lavatory, 0.33h second colonoscopy and 1 h for recovery).

CONCLUSION:

Colonoscopic enema was highly successful as rescue for patients with inadequate bowel preparation and avoided postponement of the procedure.

[Indexed for MEDLINE]

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