[Interventional endoscopy: what is new?].

New trends in therapeutic endoscopy are presented concerning endoprostheses of the esophagus, endoscopic sclerotherapy of varices and non-variceal bleeding, endoscopic therapy of bile duct stones, palliation of malignant stenoses of the bile duct, endoscopic therapy of acute pancreatitis. Advantages and disadvantages of these new techniques are discussed by analysis of preliminary results and compared with the well established techniques of endoscopy, radiology and surgery.