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Baerveldt 植入物用于治疗常规抗青光眼手术效果不佳的顽固性青光眼。该植入物比Molteno 植入物体积大,与巩膜曲率一致,两翼必须植入到相邻的两条直肌的腱膜下间隙而不能楔入肌肉附着点下方。植入物350mm~2,宽32mm,纵深14mm,盘通过无阀门的硅胶管与前房相通。为防止早期滤过过强,在植入物被包裹之前,用可吸收缝线结扎硅胶管。几周后,结扎线可用激光切断或通过酶解作用被吸收。据我们所知,青光眼植入物发生 Brown氏上斜肌腱鞘综合征尚未见报道。当滑车与上斜肌附着点之间的距离由于机械原因不能增加时便发生上述综合征。其临床表现是:眼球内转位时,随意和强制运动试验均不能上转。
Baerveldt implants are used to treat refractory glaucoma in which conventional glaucoma surgery is ineffective. The implants are larger than the Molteno implants and conform to the curvature of the sclera. The wings must be implanted into the aponeurosis of two adjacent rectus muscles without wedging under the muscle attachment point. Implants 350mm ~ 2, width 32mm, depth 14mm, the disc through the valve without silicone tube communicating with the anterior chamber. To prevent early filtration too much, use an absorbable suture to ligate the silicone tube before the implant is wrapped. After a few weeks, the ligatures can be either laser cut or absorbed by enzymatic cleavage. To the best of our knowledge, Brown’s upper oblique tendon sheath syndrome has not been reported in glaucoma implants. The above syndrome occurs when the distance between the tackle and the upper oblique attachment point can not be increased due to mechanical reasons. The clinical manifestations are: intraocular translocation, random and forced exercise test can not be transferred.