New Endoscopic Classification of Gastric Antral Vascular Ectasia by Narrow Spectrum Technology in Patients with Liver Cirrhosis

Aims: Aim of our study was to assess the efficacy of narrow band technology in comparison to histopathology in diagnosis and classification of GAVE.

Methods A cross-sectional study included 50 patients with liver cirrhosis recruited from Alexandria Main University Hospital. Patients with connective tissue diseases, chronic kidney disease were excluded. All patients were examined by both conventional White Light Endoscopy (WLE) and Narrow Band Technology Video Intelligent Staining Technology (VIST) using Sonoscape endoscope HD500. GAVE was diagnosed as tortuous columns of ectatic vessels in the gastric antrum. Histopathological examination was used as the gold standard tool for diagnosis of GAVE.

Results Total of 50 patients were included, 28 patients (56 %) were diagnosed as GAVE by pathology vs 22 (44 %) as non-GAVE. VIST detected in 23/28 (78.6 %) of cases of GAVE. In comparison to pathology, VIST had superior sensitivity than WLE in detection of GAVE, 82.1 % vs 59.1 %. While WLE had higher specificity 95.5 % vs 7.1 % by VIST. There was no statistical significance between VIST and pathology in diagnosis of GAVE, but statistical significance was found in favor to VIST compared to WLE, p<0.001. VIST has identified two types of GAVE, Focal (13/28) cases and Diffuse in (10/28), where five only were not diagnosed by VIST.

Fig.1

Conclusions Narrow Spectrum Technology as VIST could be used as an alternative tool to histopathological diagnosis of GAVE. GAVE can be focal group of ectatic vessels which adds a new class to GAVE classification that was misdiagnosed before.

Citation: Abd Elmoneim RS, Abd Elmoety A, Salem P et al. eP163 NEW ENDOSCOPIC CLASSIFICATION OF GASTRIC ANTRAL VASCULAR ECTASIA BY NARROW SPECTRUM TECHNOLOGY IN PATIENTS WITH LIVER CIRRHOSIS. Endoscopy 2021; 53: S149.

Publication History

Article published online:
19 March 2021