Can we predict spontaneous capsule passage after retention? A nationwide study to evaluate the incidence and clinical outcomes of capsule retention
- Authors
- Cheon, J. H.; Kim, Y. -S.; Lee, I. -S.; Chang, D. K.; Ryu, J. -K.; Lee, K. J.; Moon, J. -S.; Park, C. H.; Kim, J. -O.; Shim, K. -N.; Choi, C. H.; Cheung, D. Y.; Jang, B. I.; Seo, G. -S.; Chun, H. -J.; Choi, M. -G.
- Issue Date
- Dec-2007
- Publisher
- GEORG THIEME VERLAG KG
- Citation
- ENDOSCOPY, v.39, no.12, pp 1046 - 1052
- Pages
- 7
- Journal Title
- ENDOSCOPY
- Volume
- 39
- Number
- 12
- Start Page
- 1046
- End Page
- 1052
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/23901
- DOI
- 10.1055/s-2007-966978
- ISSN
- 0013-726X
1438-8812
- Abstract
- Background and study aims: Although capsule endoscopy has become a central diagnostic tool for small-bowel evaluation, retention of a capsule remains a major concern. This study attempted to investigate the incidence and clinical outcomes of capsule retention, and to determine the factors predictive of spontaneous capsule passage after retention. Patients and methods: Through a nationwide multicenter survey, we retrospectively reviewed the records of 1291 patients who had a capsule endoscopy between February 2002 and July 2006 in Korea. Clinical and procedural characteristics and postprocedural outcomes were analyzed for the cases with capsule retention. Results: Capsule retention occurred in 2.5% of total cases (32/1291). The major diseases accompanying capsule retention were Crohn's disease, malignant tumors, and tuberculous enterocolitis, in decreasing order. In 11 of the 32 patients (34.4%), early surgical or endoscopic interventions were instituted for diagnosis or treatment of diseases before retention symptoms developed. The remaining 21 (65.6 %)patients initially received medical treatments. Of these, 10 (31.3 %) ultimately underwent surgical intervention due to the development of symptoms of intestinal obstruction or medical treatment failure. The other 11 (34.4%) eventually passed the capsule. The presence of a larger lumen diameter (greater than two-thirds of the capsule diameter) at the stricture site was associated with spontaneous passage. Conclusions: Our large-scale study suggests that retention occurs infrequently during capsule endoscopy. Moreover, a retained capsule might indicate the best intervention for the offending pathology, or it may spontaneously pass in the long run, particularly in patients with less small bowel stricture.
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