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        Double-Balloon Endoscopy after Incomplete Colonoscopy and Its Comparison with Computed Tomography Colonography

        Carlijn Hermans,Dennis van der Zee,Lennard Gilissen 대한소화기내시경학회 2018 Clinical Endoscopy Vol.51 No.1

        Background/Aims: Because of the national screening program for colorectal carcinoma in The Netherlands, the number ofcolonoscopies has increased. In case of incomplete colonoscopy, computed tomography colonography (CTC) and double-ballooncolonoscopy (DBc) are alternative options. This study evaluated cecal intubation rate and pathology detection rate in the previouslyunexplored part of the colon, complication rate of DBc, and CTC results after incomplete colonoscopy. Methods: Retrospective observational study in a tertiary referral hospital regarding DBc and CTC reports from cases with incompletecolonoscopy. Results: Sixty-three DBcs were performed after incomplete colonoscopy. Cecal intubation rate was 95%. Detection rate was 58% (5%carcinoma and 3% high-grade dysplastic adenoma). CTC preceded 54% of DBcs and 62% of CTC findings were confirmed. In 16%,a biopsy was taken, and in 60%, an intervention (mostly polypectomy) was performed. One major complication (1.5%) occurred, i.e.,arterial bleeding due to polypectomy necessitating right hemicolectomy. CTC (n=213) showed a possible lesion in 35%, and could beconfirmed by follow-up endoscopy or surgery in 65%. Conclusions: DBc is effective and safe for completion of colon inspection in incomplete colonoscopy. In patients with a high likelihoodof pathology, DBc is preferred over CTC.

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        Double-Balloon Endoscopy in Overt and Occult Small Bowel Bleeding: Results, Complications, and Correlation with Prior Videocapsule Endoscopy in a Tertiary Referral Center

        Carlijn Hermans,Arnold Stronkhorst,Annemarie Tjhie-Wensing,Jan Kamphuis,Bas van Balkom,Rob Dahlmans,Lennard Gilissen 대한소화기내시경학회 2017 Clinical Endoscopy Vol.50 No.1

        Background/Aims: Videocapsule endoscopy (VCE) and double-balloon endoscopy (DBE) allow deep exploration in patients with suspected small bowel pathology. VCE is often performed as an initial small bowel examination to explore whether an intervention by DBE is indicated and to determine insertion route. The study aim was to evaluate the correlation between DBE and VCE in patients with obscure or overt bleeding or anemia, as well as intervention frequency, and complications. Methods: Retrospective observational study. Results: DBE procedures (n=205) showed small bowel lesions in 64% cases. Antegrade DBE showed positive results in 79% cases, mostly angiodysplasias (63%). Retrograde DBE showed positive results in 22% cases. An intervention was performed in 64% of DBE procedures. The major complication rate was 0.5%, which was one case of perforation. Pancreatitis did not occur. The overall diagnostic agreement was 66% among the 134 DBEs with preceded VCE. Conclusions: In cases of overt or occult bleeding or anemia, DBE was positive in 64%, with only a few complications. Positive correlation was 66% among initially performed VCEs and DBEs. Owing to the time-consuming and invasive character of DBE, performing VCE before DBE might still be clinically relevant.

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