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  • Title: Mitomycin C in Filtering Surgery for Primary Congenital Glaucoma: A Comparison of Exposure Durations.
    Author: Bayoumi NH.
    Journal: J Pediatr Ophthalmol Strabismus; 2018 May 01; 55(3):164-170. PubMed ID: 29384564.
    Abstract:
    PURPOSE: To compare the effect of two exposure durations of mitomycin C in combined angle and filtering surgery for primary congenital glaucoma. METHODS: This was a prospective study conducted in the Department of Ophthalmology at Alexandria Main University Hospital, Alexandria, Egypt, on 75 eyes with primary congenital glaucoma that underwent combined trabeculotomy-trabeculectomy with intraoperative mitomycin C application for 1 minute (MMC 1) or 2 minutes (MMC 2) and were followed up for 24 months. Success rates were studied and complications noted. Success was defined by a composite primary end point of an intraocular pressure (IOP) of less than 16 mm Hg under general anesthesia, without any IOP-lowering medications and with no hypotony-related complications and/or lack of IOP-related progression of the disease as evidenced by worsening of the ocular biometric characteristics. RESULTS: The mean age of the study participants was 6.7 ± 4.1 months (range: 2 to 16 months; median: 6 months) in the MMC 1 group (35 eyes) and 7.7 ± 5.7 months (range: 1 to 32 months; median: 6.5 months) in the MMC 2 group (40 eyes). The initial surgery was successful in 32 (91.5%) and 31 (77.5%) eyes in the MMC 1 and MMC 2 groups, respectively. The mean IOP was 18.4 ± 5.1 and 18.1 ± 6.1 mm Hg preoperatively and 5.5 ± 3.5 and 4.8 ± 2.8 mm Hg at the end of follow-up in the MMC 1 and MMC 2 groups, respectively. There was no statistically significant difference in the clinical parameters between the two groups. Complications included cataracts in each group and hypotony optic disc edema in 3 eyes (7.5%) in the MMC 2 group. CONCLUSIONS: Both mitomycin C application durations were effective in combined trabeculotomy-trabeculectomy with mitomycin C for primary congenital glaucoma. The longer duration was not advantageous in disease control and there were no significant differences in complications. [J Pediatr Ophthalmol Strabismus. 2018;55(3):164-170.].
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