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  • Title: Initial experience of real-time capsule endoscopy in monitoring progress of the videocapsule through the upper GI tract.
    Author: Lai LH, Wong GL, Lau JY, Sung JJ, Leung WK.
    Journal: Gastrointest Endosc; 2007 Dec; 66(6):1211-4. PubMed ID: 17945224.
    Abstract:
    BACKGROUND: Wireless capsule endoscopy (WCE) is one of the most important investigations for small bowel examination. Although newer-generation WCE is equipped with a real-time viewer, the role of this advancement in daily practice remains unknown. OBJECTIVE: Our purpose was to determine the role of the real-time viewer for monitoring of the videoendoscope passage through the upper GI tract. DESIGN: Case-control comparison. SETTING: Single tertiary referral center. PATIENTS: Forty-five consecutive patients who underwent capsule endoscopy in a 12-month period were studied. Twenty-seven patients received conventional WCE, whereas 18 patients were examined by real-time WCE. Passage into the small bowel was monitored with the real-time viewer in the second group of patients. Gastric transit time and the rate of complete small bowel examination were compared. INTERVENTIONS: On-demand polyethylene glycol and erythromycin were prescribed according to the progress as viewed by the real-time monitor. MAIN OUTCOME MEASUREMENTS: Small bowel examination completion rate and gastric transit time. RESULTS: Small bowel examination was completed in 19 (70.4%) and 17 (94.4%) patients undergoing conventional and real-time WCE, respectively (P = .048). With the real-time monitoring and on-demand preparations, gastric passage time was significantly reduced (100 vs 59 minutes, P = .02). LIMITATIONS: Nonrandomized study. CONCLUSIONS: The use of the real-time viewer may help to secure the passage of the capsule endoscope into the small bowel and hence result in a higher rate of complete small bowel examination.
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