慢性泪囊炎,药物治疗无效,手术方可治愈。我院自1987年9月至1992年3月共行957例,其中19例为二次手术,占1.99%。仅就其中8例分析其失败原因。为使手术成功,术前应详细检查,术中正确填入止血麻醉纱条,减少术中出血。骨窗一般以15mm×10mm为宜,吻合时一定要将鼻粘膜与泪囊粘膜完整对合,避免上下错位。泪囊过小者可尽量吻合前唇,必要时留置引流管。 Chronic dacryocystitis, drug treatment is invalid, the operation can be cured. Our hospital from September 1987 to March 1992 a total of 957 cases, of which 19 cases were secondary surgery, accounting for 1.99%. Only eight of them analyzed the causes of failure. In order to make the operation successful, preoperative examination should be carried out in detail. Intraoperative anesthesia gauze should be correctly filled to reduce intraoperative bleeding. Bone window is generally 15mm × 10mm is appropriate, must be consistent with the nasal mucosa of the nasal mucosa and lacrimal sac completely, to avoid up and down misplaced. Tears can be as small as possible anastomosis before the lip, if necessary indwelling drainage tube.