scleral cerclage

The purpose of scleralbuckling is to reduce the traction of the vitreous to the retina. Scleral cerclage is one of two methods of scleralbuckling. Treatment of diseases: retinal tears, vitreoretinopathy, retinal detachment Indication 1. Multiple retinal tears in more than two quadrants, or in two opposite quadrants, or one retinal equatorial degeneration with two or more quadrants. 2. Retinal detachment combined with severe proliferative vitreoretinopathy. 3. Greatly ruptured retinal detachment. 4. Retinal detachment has not been found. 5. Aphakic or intraocular lens retinal detachment. Contraindications Patients with inflammation in the eye need to be treated before surgery. Preoperative preparation Surgical procedure 1. After the hole mark and condensation, the needle is inserted into the equator of the sclera between the four rectus muscles with a 4-0 white silk thread or a polyester thread parallel to the limbus to make a h-shaped suture. 2. Use a 2.5 to 3.5 mm wide ligature to pass under the muscles and pass through the preset line of the equator. 3. Use a 3% polyester thread to cross the loops and then ligature them. You can also insert the ends of the loops into the looped cuffs. 4. Use a hemostat to clamp the ends of the loop wrap slightly to shorten the loop wrap. 5. Subretinal fluid drainage for subretinal fluid for a long time. After the liquid is discharged, the "fish mouth phenomenon" appears in the crack hole or the retinal wrinkles appear on the ring ridge. The loop is too tight, and the loop band can be loosened slightly, and the air is injected into the eye when it is not relieved. 6. The ligature band should be located at the equator. When the hole is not pressed, an extra silicone sponge should be applied. Be careful not to make two adjacent external presses in one quadrant to prevent the retina from forming a new hole between the two adjacent outer pressurizations. When there are two split holes, one of the holes can be pressurized by the loop wrap. Another center-to-center split is combined with a silicone sponge to pressurize. 7. Before closing the conjunctival incision, first rinse the conjunctival sac with saline or antibiotic solution, and then use 5% silk round needle for sutured suture. Do not use tenon capsule as conjunctival suture. complication infection.

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