Objective: Gastric antral vascular ectasia (GAVE) is characterized by vascular ectasias accounting for 4% of nonvariceal upper gastrointestinal bleeds, which can range from occult bleeds to severe acute upper gastrointestinal bleeding. In turn, GAVE can lead to severe morbidity and recurrent hospitalization. Current endoscopic treatments for GAVE include argon plasma coagulation (APC), endoscopic band ligation (EBL), and radiofrequency ablation. With this significant burden in mind, a systematic review and network meta-analysis were conducted to compare the efficacy and safety of various modalities in the treatment of GAVE.
Methods: All studies that involved adults and children with endoscopic characteristics of GAVE undergoing treatment with APC, EBL, radiofrequency ablation, or a combination of 2 treatment modalities were included.
Results: There was no statistical difference in the rate of adverse events and the number of red blood cell transfusions across all 3 groups (APC, EBL, and APC + EBL). However, statistical differences were noted for outcomes of bleeding recurrence, length of hospitalization, and change in hemoglobin status. EBL exhibited a significant decrease in bleeding recurrence when compared with APC. Moreover, shorter hospitalization stays were seen in APC + EBL and EBL groups compared with APC, and a beneficial change in hemoglobin status was also more often seen in APC + EBL and EBL groups compared with APC.
Conclusions: Based on this study, EBL was found to have superior efficacy when compared with APC for the treatment of GAVE; however, there was no significant difference in rates of adverse events between APC, EBL, and combination therapy.
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