Clinical Endoscopy

Case Report

Corrosive Esophagitis Caused by Ingestion of Picosulfate: Jae Yong Seo, Ki Joo Kang, Ho Suk Kang, Seong Eun Kim, Ji Won Park, Sung Hoon Moon, Jong Hyeok Kim, Choong Kee Park; Clin Endosc 2015;48(1):66-69. Published online January 31, 2015; DOI: https://doi.org/10.5946/ce.2015.48.1.66

Corrosive esophagitis is characterized by caustic injury due to the ingestion of chemical agents, mainly alkaline substances such as detergents. Esophageal bleeding, perforation, or stricture can be worsened by high-degree corrosive esophagitis. Picosulfate is a commonly used laxative frequently administered for bowel preparation before colonoscopy or colon surgery. Picosulfate powder should be completely dissolved in water before ingestion because the powder itself may cause chemical burning of the esophagus and stomach. Here, we report a case of corrosive esophagitis due to the ingestion of picosulfate powder that was not completely dissolved in water.

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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

Abstract PDF PubReader ePub

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.

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