Endoscopic tissue shielding to prevent bleeding after endoscopic submucosal dissection: a prospective multicenter randomized controlled trial
The study compared the PGA shielding method with polyglycolic acid (PGA) sheets and fibrin glue for the prevention of adverse events after ESD. Post-ESD bleeding occurred in three patients (4.5%) in the PGA group and in four patients (5.7%) in a control group.

Related Post