Abstract:
BACKGROUND AND AIMS:Upper gastrointestinal endoscopy remains the gold standard for diagnosis of esophageal varices. Trans-abdominal ultrasound, as a noninvasive routine examination for the follow-up of cirrhosis patient, is safe, cheap, easy to perform, and plays an important role. In this study, we attempt to design a practical classification analysis model to predict esophageal varices via ultrasound. METHODS:Compared with endoscopy, the ultrasound qualitative signs (lower esophageal Doppler signals, left gastric vein hepatofugal flow, and paraumbilical vein recanalization) and quantitative parameters (spleen diameter, spleen vein diameter, portal vein diameter, and portal vein velocity) have been evaluated in 286 cirrhosis patients. RESULTS:The classification analysis model is designed as that: the patients are defined with esophageal varices high risk, who with any ultrasound qualitative signs or who with spleen diameter greater than 162 mm without qualitative parameters. The sensitivity for detecting esophageal varices is 97.5% and the specificity is 82.6%, while the positive predictive value is 96.7%, negative predictive value is 83.4%, and the omission diagnostic rate is 2.5%. CONCLUSIONS:This classification analysis model design includes ultrasound qualitative signs and spleen diameter, which can be detected easily via routine ultrasound without other auxiliary. The classification analysis model is useful in detecting esophageal varices, which may be a supplement for predicting of esophageal varices, and reducing the frequency of endoscopy in the follow-up of cirrhosis patients.
journal_name
J Gastroenterol Hepatoljournal_title
Journal of gastroenterology and hepatologyauthors
Zhang CX,Xu JM,Li JB,Kong DR,Wang L,Xu XY,Zhao DMdoi
10.1111/jgh.13045subject
Has Abstractpub_date
2016-01-01 00:00:00pages
194-9issue
1eissn
0815-9319issn
1440-1746journal_volume
31pub_type
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