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English Abstract
Journal Article
[Clinical effects of pediatric penetrating keratoplasty for congenital corneal opacity].
[Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology 2017 December 12
Objective: To report the clinical results of pediatric penetrating keratoplasty (PKP) in patients under 3 years old with congenital corneal opacity. Methods: Retrospective study. Sixteen eyes of 12 patients who were treated with PKP in Aier Eye Hospital Group from June 2009 to December 2016 were enrolled in this study. All the patients were diagnosed as congenital corneal opacities: 8 cases (11 eyes) with Peter's anomaly I, 2 cases (3 eyes) with sclerocornea, and 2 cases (2 eyes) with corneal dermoid tumor combined with iris synechia. Seven cases (7 eyes) were under 1 year old. Eight cases (10 eyes) could not follow the light. Only 1 case (2 eyes) received PKP with extracapsular cataract extraction, and the others only had PKP. Postoperative examinations were performed more frequently than in adults, and sometimes general anesthesia was needed. Results: The follow-up period was from 8 months to 6 years (33.17±22.60 months). The postoperative visual acuity improvement was found in all eyes from 1 week to 1 month after surgery except a 3-year-old patient with corneal dermoid tumor with serious esotropia. All the surgeries were successful without intraoperative complications. Graft rejection occurred in 4 cases (4 eyes). The graft of a 33-month-old patient became semitransparent. The grafts of 2 cases under 1 year old were clear after drug therapy. And the vision of a 3-year-old patient with Peter anomaly improved obviously, but immune rejection occurred 2 years after surgery. The second PKP was performed, but rejection occurred again. Secondary glaucoma was found in the other eye early after operation; anti-glaucoma surgery failed, and the graft became cloudy. Graft infection associated with loosened sutures was observed in one case (2 eyes) of sclerocornea, and the second PKP failed. Conclusions: For the patients with congenital corneal opacities, there is often a noticeable visual improvement after PKP. Good postoperative care, appropriate amblyopia treatment and timely examination are the keys to success. (Chin J Ophthalmol, 2017, 53: 941-946) .
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