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ORIGINAL ARTICLE
Year : 2015  |  Volume : 16  |  Issue : 2  |  Page : 58-64

Efficacy and safety of the use of freeze-dried (lyophilized) amniotic membrane transplantation with combined trabeculotomy-trabeculectomy for congenital glaucoma


Department of Ophthalmology, Faculty of Medicine, Zagazig University, Zagazig, Egypt

Correspondence Address:
Salah M Al-Mosallamy
Department of Ophthalmology, Faculty of Medicine, Zagazig University, Zagazig 44519
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1110-9173.165060

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Purpose The aim of the study was to evaluate the outcome of the surgical technique that utilizes freeze-dried (lyophilized) amniotic membrane transplantation (AMT) with combined trabeculotomy-trabeculectomy in cases of primary congenital glaucoma with respect to its efficacy and complications. Patients and methods This was a prospective controlled study that included 25 eyes of 19 patients with primary congenital glaucoma. The patients were categorized into two groups: group I included 14 eyes that were treated with combined trabeculotomy-trabeculectomy with AMT and group II included 11 eyes that were treated with combined trabeculotomy-trabeculectomy without adjunctive (control group). Results Nineteen patients were included in the study: 13 were male and six were female. The mean age was 6.2 ± 3.5 months and 5.7 ± 2.9 months in groups I and II, respectively; there were no statistically significant differences between groups I and II regarding the patient demographics and preoperative characteristics. The surgical outcome of the two groups showed that absolute success was achieved in 71.4% and qualified success in 14.3% in group I, and in group II absolute success was achieved in 45.5% and qualified success in 27.2%. This difference was highly significant in terms of absolute success and significant in terms of total success between the two groups. The mean intraocular pressure (IOP) in this study was markedly decreased from preoperative values in both groups during postoperative follow-up visits, with statistically significantly lower IOP in group I than in group II at all postoperative visits. The complications encountered were hyphema in 28.6% of patients in group I and in 27.3% of patients in group II. Shallow anterior chamber associated with hypotony occurred in 21.4 and 18.2% of patients in groups I and II, respectively. One case in each group developed serous choroidal detachment. Flat nonfunctioning bleb with high IOP occurred in 14.3% of patients in group I and in 27.3% in group II. The complication rates were statistically insignificant between the two groups. Conclusion AMT-enhanced combined trabeculotomy-trabeculectomy appears to be an effective procedure for the treatment of primary congenital glaucoma with better long-term control of IOP and without added complications.


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