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  • Title: Clinical evaluation of a newly developed single-balloon enteroscope.
    Author: Kawamura T, Yasuda K, Tanaka K, Uno K, Ueda M, Sanada K, Nakajima M.
    Journal: Gastrointest Endosc; 2008 Dec; 68(6):1112-6. PubMed ID: 18599052.
    Abstract:
    BACKGROUND: Double-balloon enteroscopy (DBE) is a useful and epoch-making technique for small-bowel diseases. The single-balloon enteroscope (SBE) is a new instrument introduced by Olympus. OBJECTIVE: To evaluate a prototype of the SBE. DESIGN: A prospective case series. SETTING: Kyoto Second Red Cross Hospital, between April 2006 and July 2007. PATIENTS: We used the SBE system to perform 37 enteroscopic examinations on 27 patients, including 22 oral and 15 anal approaches. MAIN OUTCOME MEASUREMENTS: The rate of whole small-bowel visualization, mean time necessary for the investigation, discovery rate of lesions, and complications. RESULTS: We observed the entire small intestine in 1 of 8 cases (12.5%) that we examined. The mean (+/-SD) time necessary for the oral approach was 83 +/- 38 minutes and that for the anal approach was 90 +/- 32 minutes. The preparation time was less than 5 minutes in both approaches. Small-intestinal lesions were detected in 11 of the 27 patients (40.7%). Perforation occurred in one case as a complication, but the injury healed without surgical intervention. LIMITATION: This was a single-center study. CONCLUSIONS: Use of the SBE system in the endoscopic study of the small intestine makes it possible to observe the entire small intestine and to diagnose lesions; thus, the SBE system is a useful instrument for small-bowel diseases. However, the rate of whole small-bowel visualization was inferior to the DBE system.
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