Wang BZ, Wu LF, Li GP, Yang WA. Use of capsule endoscopy to diagnose colon diseases.
Shijie Huaren Xiaohua Zazhi 2009;
17:2010-2013. [DOI:
10.11569/wcjd.v17.i19.2010]
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Abstract
AIM: To explore the use of capsule endoscopy to detect colon disorders following the completion of small intestine disease diagnosis on the basis of implementation of energy consumption control for the endoscope, body position adjustment and food serving.
METHODS: Seventy-six patients who received capsule endoscopy examination to exclude ileus were divided into two study groups: Group 1 (n = 39) and Group 2 (n = 37). Patients in Group 1 were examined by ordinary procedures. In contrast, patients in Group 2 were examined by modified procedures. The endoscope was manipulated to reduce the frequency of photographing and the brightness of endoscopic image before the capsule reached the duodenum. Within two hours after the capsule traveled inside the duodenum, the position of the moving capsule was observed continuously while the patient's body position was adjusted. The patients were laid flat with buttocks slightly elevated when the capsule moved into the colon. Meanwhile, the patients were served with food. When the capsule reached the hepatic flexure, the patients were laid on their left side. When the capsule reached the splenic flexure, the patients were laid in flat position. After the capsule battery was exhausted, the recorder was retrieved. The position of the capsule inside the patient's body was examined by X-ray.
RESULTS: Endoscopic capsules worked for 4 ± 0.9 h in the colon in Group 1. The capsules reached the recta in only four cases, and remained in the ileocecus in the other 35 cases, of which two cases of ileocecal polypi were detected. In contrast, endoscopic capsules worked for 5 ± 0.7 h in the colon in Group 2. The movement inside the colon was active after the patients took food. The capsules reached beyond the colon ascendens in 19 (51.4%) cases. Seven (18.9%) cases of colon diseases were detected in Group 2. Statistical differences were noted in the detection rate of colon diseases and the working duration of endoscopic capsules between the two groups (both P < 0.05). Moreover, a significant difference was observed in the effective rate of colon detection between the two groups (P < 0.01).
CONCLUSION: Implementation of battery energy control, patient position adjustment, and food serving during capsule endoscopy can effectively prolong the working duration of endoscopic capsules in the colon and increase the detection rate of colon diseases.
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