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01.12.2014 | Research article | Ausgabe 1/2014 Open Access

BMC Gastroenterology 1/2014

High success rate of repeat colonoscopy with standard endoscopes in patients referred for prior incomplete colonoscopy

Zeitschrift:
BMC Gastroenterology > Ausgabe 1/2014
Autoren:
Andrew J Gawron, Annapoorani Veerappan, Rajesh N Keswani
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1471-230X-14-56) contains supplementary material, which is available to authorized users.

Competing interest

The authors declare that they have no competing interest.

Authors’ contributions

AJG: Analysis and Interpretation of Data, Writing of Manuscript. AV: Data Acquisition. RNK: Study Conception and Design, Analysis and Interpretation of Data, Writing of Manuscript. All authors read and approved the final manuscript.

Abstract

Background

In patients with incomplete colonoscopy, cecal intubation is sometimes unsuccessful due to a redundant or tortuous colon. Repeat colonoscopy may be successful with the use of alternate endoscopes or careful attention to technique but limited outcomes data is available. The aim of this study was to describe the technique, success rate and outcomes of consecutive patients referred for previous incomplete colonoscopy.

Methods

We conducted a retrospective chart review of incomplete colonoscopy procedures in patients age 18-90 at an academic teaching hospital referred to an endoscopist specializing in difficult colonoscopy.

Results

Cecal intubation was successful in 96 of 100 repeat colonoscopies and 83 procedures were completed with a standard endoscope (adult, pediatric, or gastroscope). The adenoma detection rate was 28% for successful repeat colonoscopies; a majority of these patients had no adenomas identified on incomplete exam. In 69.4% of cases, an endoscope was used to successfully complete colonoscopy that was not used in the incomplete colonoscopy. The median insertion time was significantly less for the complete colonoscopy (10.6 min) compared to the incomplete colonoscopy (18.8 min, P = 0.004).

Conclusions

Repeat colonoscopy has a high success rate and identified a significant number of new adenomas. Use of all available endoscopes should be considered prior to procedure termination in patients with a tortuous colon. Repeat colonoscopy can often be accomplished using a standard endoscope and is not attributed to increased endoscope insertion time.
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