期刊
GASTROINTESTINAL ENDOSCOPY
卷 67, 期 6, 页码 890-897出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.gie.2007.07.047
关键词
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Background: Double-balloon enteroscopy (DBE) allows direct visualization and intervention in the entire small intestine. Concerns include long procedure times and a long learning curve after training. Objectives: To analyze the initial experience of a single endoscopist when using DBE; assess resource utilization, safety, clinical utility, and the learning curve. Design: Prospective study. Setting: Tertiary-referral center. Patients: A total of 137 consecutive patients with bleeding or other small-intestine disorders. Main Outcome Measures: Clinical impact at the time of DBE and changes in the procedure time and extent with experience. Results: Two hundred DBE procedures were performed without major complications. For 115 oral DBEs, the mean (SD) procedure duration was 101 +/- 35 minutes and length of examined small intestine was 220 +/- 80 cm, with no significant change with experience. For 85 anal DBEs, the mean (SD) procedure duration was 96 +/- 33 minutes, and the length examined was 124 +/- 60 cm; the length examined increased with experience, but the duration did not decrease. The percentage of patients in which a DBE had a helpful clinical impact rose from 58% in the first 50 DBEs, to 86% in the last 50 of 200 DBEs. The total enteroscopy rose from 8% in the first 50 DBEs, to 63% in the last 50 of 200 DBEs. Limitations: No follow-up data on outcomes. Conclusions: DBEs required significant time and did not always allow for a total enteroscopy. DBEs were safe and helpful in the management of most patients. An experienced endoscopist may perform a safe and useful DBE after limited training, but the development of expertise may require more than 100 to 150 DBE procedures.
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