Department of Ophthalmology, University of Düsseldorf, Düsseldorf, Germany.
J Glaucoma. 2022 Aug 1;31(8):e72-e74. doi: 10.1097/IJG.0000000000002049. Epub 2022 May 6.
The aim was to present a case of lumen obstruction after implantation of microshunt with subconjunctival drainage and subsequent management.
A 56-year-old male with primary open angle glaucoma underwent uneventful PRESERFLO MicroShunt (PMS) implantation in both eyes. Five months after surgery the patient presented with an intraocular pressure (IOP) of 26 mm Hg in the right eye because of iris obstruction.
The iris fibers were severed and removed surgically to free the lumen. Follow-up showed a normalized IOP of 10 mm Hg and a free lumen.
Uncontrolled IOP because of iris obstruction following PMS was addressed by surgical removal of iris fibers at the lumen entrance without the need for tube repositioning.
介绍一例植入带巩膜下引流的微分流器后发生管腔阻塞的病例，并报告其后续处理方法。
一名 56 岁男性患原发性开角型青光眼，双眼均行 PRESERFLO MicroShunt（PMS）植入术，手术过程顺利。术后 5 个月，患者右眼因虹膜阻塞导致眼压（IOP）升高至 26mmHg。
手术剪断并取出虹膜纤维以疏通管腔。随访显示，IOP 恢复正常，为 10mmHg，管腔通畅。
PMS 术后由于虹膜阻塞导致的眼压控制不良，通过在管腔入口处手术切除虹膜纤维来解决，无需重新调整引流管位置。
