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Original Article
Indications for Detection, Completion, and Retention Rates of Small Bowel Capsule Endoscopy Based on the 10-Year Data from the Korean Capsule Endoscopy Registry
Yun Jeong Lim, Oh Young Lee, Yoon Tae Jeen, Chi Yeon Lim, Dae Young Cheung, Jae Hee Cheon, Byong Duk Ye, Hyun Joo Song, Jin Su Kim, Jae Hyuk Do, Kwang Jae Lee, Ki-Nam Shim, Dong Kyung Chang, Cheol Hee Park, Byung Ik Jang, Jeong Seop Moon, Hoon Jai Chun, Myung-Gyu Choi, Jin Oh Kim, Korean Gut Image Study Group
Clin Endosc 2015;48(5):399-404.   Published online September 30, 2015
DOI: https://doi.org/10.5946/ce.2015.48.5.399
AbstractAbstract PDFPubReaderePub
Background/Aims

Capsule endoscopy (CE) is widely used. However, CE has limitations including incomplete examination, inadequate bowel preparation, and retention. The aim of this study was to estimate the indications for and detection, completion, and retention rates of small intestine CE based on the 10-year data from the Korean Capsule Endoscopy Registry.

Methods

Twenty-four hospitals participated in this study. Clinical information, such as reasons for CE, method and quality of bowel preparation, and incomplete examination and capsule retention rates, was collected and analyzed.

Results

A total of 2,914 CEs were registered. The most common reason for CE was obscure gastrointestinal bleeding (59%). Significant lesions were detected in 66% of cases. Positive CE diagnosis occurred in 63% of cases. The preparation method did not significantly affect the quality of bowel preparation for CE. The overall incomplete rate was 33%, and was high in the elderly and those with poor bowel preparation. Capsule retention was 3% and high in patients with small bowel tumors and Crohn's disease and in children under 10 years of age.

Conclusions

CE is a valuable technique; while the overall detection rate is high, incompletion and retention rates are also relatively high. CE should be carefully considered in the elderly and children less than 10 years of age, as well as in patients with small bowel tumors and Crohn's disease.

Citations

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Review
Guidelines for Video Capsule Endoscopy: Emphasis on Crohn's Disease
Soo-Kyung Park, Byong Duk Ye, Kyeong Ok Kim, Cheol Hee Park, Wan-Sik Lee, Byung Ik Jang, Yoon Tae Jeen, Myung-Gyu Choi, Hyun Jung Kim, The Korean Gut Image Study Group
Clin Endosc 2015;48(2):128-135.   Published online March 27, 2015
DOI: https://doi.org/10.5946/ce.2015.48.2.128
AbstractAbstract PDFPubReaderePub

Video capsule endoscopy (VCE) is an ingestible video camera that transmits high-quality images of the small intestinal mucosa. This makes the small intestine more readily accessible to physicians investigating the presence of small bowel disorders, such as Crohn's disease (CD). Although VCE is frequently performed in Korea, there are no evidence-based guidelines on the appropriate use of VCE in the diagnosis of CD. To provide accurate information and suggest correct testing approaches for small bowel diseases, the Korean Gut Image Study Group, part of the Korean Society of Gastrointestinal Endoscopy, developed guidelines on VCE. Teams were set up to develop guidelines on VCE. Four areas were selected: diagnosis of obscure gastrointestinal bleeding, small bowel preparation for VCE, diagnosis of CD, and diagnosis of small bowel tumors. Three key questions were selected regarding the role of VCE in CD. In preparing these guidelines, a systematic literature search, evaluation, selection, and meta-analysis were performed. After writing a draft of the guidelines, the opinions of various experts were solicited before producing the final document. These guidelines are expected to play a role in the diagnosis of CD. They will need to be updated as new data and evidence become available.

Citations

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  • 148 Download
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Original Article
Learning Curve of Capsule Endoscopy
Korean Gut Image Study Group, Yun Jeong Lim, Young Sung Joo, Dae Young Jung, Byong Duk Ye, Ji Hyun Kim, Jae Hee Cheon, Seong Eun Kim, Jae Hyuk Do, Byung Ik Jang, Jeong Seop Moon, Jin Oh Kim, Hoon Jae Chun, Myung-Gyu Choi
Clin Endosc 2013;46(6):633-636.   Published online November 19, 2013
DOI: https://doi.org/10.5946/ce.2013.46.6.633
AbstractAbstract PDFPubReaderePub
Background/Aims

Capsule endoscopy (CE) has become an important tool for the diagnosis of small bowel disease. Although CE does not require the skill of endoscope insertion, the images should be interpreted by a person with experience in assessing images of the gastrointestinal mucosa. This investigation aimed to document the number of cases needed by trainees to gain the necessary experience for CE competency.

Methods

Fifteen cases were distributed to 12 trainees with no previous experience of CE during their gastroenterology training as clinical fellows. Twelve trainees and an expert were asked to read CE images from one patient each week for 15 weeks. The diagnosis was reported using five categories (no abnormalities detected, small bowel erosion or ulcer, small bowel tumor, Crohn disease, and active small bowel bleeding with no identifiable source). We then examined, using the κ coefficient, how the degree of mean agreements between the trainees and the expert changed as the training progressed each week.

Results

The agreement rate of CE diagnosis increased as the frequencies of interpretation increased. Most of the mean κ coefficients were >0.60 and >0.80 after week 9 and 11, respectively.

Conclusions

Experience with approximately 10 cases of CE is appropriate for trainees to attain CE competency.

Citations

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Review
Guideline for Capsule Endoscopy: Obscure Gastrointestinal Bleeding
Ki-Nam Shim, Jeong Seop Moon, Dong Kyung Chang, Jae Hyuk Do, Ji Hyun Kim, Byung Hoon Min, Seong Ran Jeon, Jin-Oh Kim, Myung-Gyu Choi, Korean Gut Image Study Group
Clin Endosc 2013;46(1):45-53.   Published online January 31, 2013
DOI: https://doi.org/10.5946/ce.2013.46.1.45
AbstractAbstract PDFPubReaderePub

Capsule endoscopy (CE) is considered as a noninvasive and reliable diagnostic tool of examining the entire small bowel. CE has been performed frequently at many medical centers in South Korea; however, there is no evidence-based CE guideline for adequate diagnostic approaches. To provide accurate information and suggest correct testing approaches for small bowel disease, the guideline on CE was developed by the Korean Gut Image Study Group, a part of the Korean Society of Gastrointestinal Endoscopy. Operation teams for developing the guideline were organized into four areas: obscure gastrointestinal bleeding, small bowel preparation, Crohn's disease, and small bowel tumor. A total of 20 key questions were selected. In preparing this guideline, MEDLINE, Cochrane library, KMbase, KISS, and KoreaMed literature searches were performed. After writing a draft of the guideline, opinions from various experts were reflected before approving the final document. The guideline should be regarded as recommendations only to gastroenterologists in providing care to their patients. These are not absolute rules and should not be construed as establishing a legal standard of care. Although further revision may be necessary as new data appear, this guideline is expected to play a role for adequate diagnostic approaches of various small bowel diseases.

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