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Factors that affect visibility during endoscopic hemostasis for upper GI bleeding: a prospective study

Title
Factors that affect visibility during endoscopic hemostasis for upper GI bleeding: a prospective study
Author
박찬혁
Keywords
UPPER GASTROINTESTINAL HEMORRHAGE; ESOPHAGEAL VARICEAL EPISODES; RANDOMIZED CONTROLLED-TRIAL; DOUBLE-BLIND TRIAL; ERYTHROMYCIN INFUSION; GASTRIC LAVAGE; MANAGEMENT; SCLEROTHERAPY; SOMATOSTATIN; CONSENSUS
Issue Date
2015-06
Publisher
MOSBY-ELSEVIER
Citation
GASTROINTESTINAL ENDOSCOPY, v. 81, NO 6, Page. 1392-1400
Abstract
Background: Adequate visibility is an important factor for achieving successful endoscopic hemostasis for the treatment of upper GI bleeding (UGIB). The independent factors that affect visibility during endoscopic procedures have yet to be determined. Objective: To determine the factors that affect endoscopic visibility and to create a model that can predict in which patients unacceptable visibility is suspected before emergent endoscopic procedures for UGIB. Design: Prospective, observational study. Setting: University-affiliated tertiary care hospital in South Korea. Patients: A total of 121 patients admitted because of UGIB. Intervention: Analysis of the visibility score of the emergency endoscopies for UGIB. Main Outcome Measurements: Factors affecting the visibility score of endoscopy and a classification and regression tree (CART) model for predicting of visibility. Results: The EGD time and the appearance of the nasogastric (NG) tube aspirate were independent factors that were significantly associated with visibility (EGD time, P < .001; red blood appearance in NG tube aspirate, P < .001; coffee grounds appearance of NG tube aspirate, P = .006). Based on these results, a CART model was developed by using 70 patients who had been allocated to the training set. The CART generated algorithms that proposed the use of the appearance of the NG tube aspirate and the EGD time (8.5 hours) to predict visibility. The sensitivity and specificity for predicting poor visibility were 71.4% and 86.4%, respectively. Conclusion: The use of the CART model enables the prediction of which patients will have poor visibility during emergent endoscopy.
URI
http://www.sciencedirect.com/science/article/pii/S0016510714025942http://hdl.handle.net/20.500.11754/25929
ISSN
1097-6779; 0016-5107
DOI
10.1016/j.gie.2014.12.024
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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