Dacryocystorectomy Nasolacrimal Circumcision

The lacrimal sac incision nasolacrimal duct circumcision is suitable for nasolacrimal duct obstruction and chronic dacryocystitis. Surgery can be used to change symptoms such as lacrimal stenosis or obstruction of the lacrimal duct, but it is not suitable for elderly dysfunction, and the vital organs such as heart and lung are poorly functioning. Treatment of diseases: lacrimal duct obstruction chronic dacryocystitis Indication For nasolacrimal duct obstruction, chronic dacryocystitis. Contraindications The age of the body is weak, the vital organs such as the heart and lungs are poor, and the surgery does not restore hope. Preoperative preparation 1. Rinse the lacrimal sac and drop antibiotic eye drops into the conjunctival sac. Prepare a silicone tube with a diameter of 3 mm and a length of 60 mm. 2. Use a bone 2.6 mm outer diameter needle as a trephine. Surgical procedure 1. According to the lacrimal sac removal, the skin is cut, the subcutaneous tissue and muscle are separated, and the lacrimal sac expander is placed to expose the internal hemorrhoids. Cut the front wall of the lacrimal sac. 2. Insert the bone through the incision from the anterior wall of the lacrimal sac into the lacrimal sac, point to the obstruction of the nasolacrimal duct, and push the circumcision while pushing, until the nasolacrimal duct obstruction is drilled. 3. Pull out the bone and then rinse the lacrimal passage. Insert one end of the silicone tube into the nasolacrimal duct. 4. Use a No. 1 thread and put on the needle at both ends. Pass through the upper end of the silicone tube at 2 mm. The two wires are respectively from the lacrimal sac cavity, through the top of the lacrimal sac, and the skin is pierced above the inner iliac crest, and gently knotted on a plastic pad to prevent the cannula from coming into the nasal cavity. At the same time, pull the lower end of the cannula to the edge of the nostril. 5. Intermittently suture the anterior wall of the lacrimal sac with a 6-0 nylon thread. Suture the orbicularis muscle, skin, and tear capsule removal. complication Common complications are recurrence of dacryocystitis, and even inflammation around the lacrimal sac. If the general antibiotic treatment can not control inflammation for 3 to 5 days, sensitive antibiotics should be selected according to the culture.

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