Journal
OPHTHALMOLOGY
Volume 107, Issue 6, Pages 1200-1205Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/S0161-6420(00)00075-0
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Objective: This study aimed to demonstrate specific morphologic patterns in congenital glaucoma after various surgical procedures by means of ultrasound biomicroscopy (UBM) and to investigate correlations between UBM morphology and the effectiveness of glaucoma surgery in reducing intraocular pressure. Design: Observational case series. Participants and Interventions: Thirty four eyes of 18 consecutive patients, not older than 18 years, with congenital glaucoma and with a history of previous antiglaucomatous surgery underwent UBM examination of the anterior chamber angle in the treatment area and in an untreated region, Main Outcome Measures: The morphology of the anterior chamber angle region and the tissue reflectivity were analyzed. Results: Specific UBM patterns of the anterior chamber angle in congenital glaucoma were observed after goniotomy, trabeculotomy, trabeculectomy, deep sclerectomy, and cyclodialysis. In the first months after surgery, a limited correlation was found between morphology and the success of filtering surgery. Adhesions of the iris or the ciliary processes to the trabeculectomy cleft were detected in 19 of 25 eyes after filtering procedures. Conclusions: In cases of cloudy cornea and unknown previous glaucoma surgery, UBM can be used to identify the type and localization of previous surgery in congenital glaucoma, thus assisting surgical planning for subsequent glaucoma management. The correlation between UBM morphology and the effectiveness of filtering surgery is less convincing than previously demonstrated in adults, possibly underlining the importance of individual nonsurgical factors for prognosis in congenital glaucoma. Ophthalmology 2000;107:1200-1205 (C) 2000 by the American Academy of Ophthalmology.
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