Keywords Esophageal and gastric varices;Gastrointestinal hemorrhage;Hemostasis;endoscopic;Injections;intralesional;Balloon dilatation;Sclerosing solutions;

• 食管和胃静脉曲张;胃肠出血;止血;内窥镜;注射;病灶内;气囊扩张术;硬化溶液;