Methods: 7 patients with idiopathic intractable epistaxis were treated with superselective endovascular embolization under DSA using gelatin sponge grains.

• 方法：7例患者均在DSA直视下寻找出血的部位和（或）责任血管然后以明胶海绵颗粒行超选择性血管内栓塞治疗。