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Middle East African Journal of Ophthalmology Middle East African Journal of Ophthalmology
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Year : 2019  |  Volume : 26  |  Issue : 3  |  Page : 141-147

One-year results of stab incision glaucoma surgery and radiofrequency-assisted stab incision in management of open-angle glaucoma

Department of Ophthalmology, Cairo University Hospitals, Cairo, Egypt

Correspondence Address:
Dr. Rehab Mahmoud Abdel-Hamid
5 Oman St., Dokki, Cairo
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/meajo.MEAJO_153_18

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PURPOSE: The aim of the study is to evaluate the surgical outcome of stab incision glaucoma surgery (SIGS) and compare it with radiofrequency-assisted stab incision in the treatment of uncontrolled open-angle glaucoma. PATIENTS AND METHODS: A prospective, interventional study included 50 eyes who were assigned into two equal groups: Group A underwent stab incision procedure with preoperative subconjunctival (SC) mitomycin-C (MMC) and Group B underwent radiofrequency-assisted technique without MMC. Intraoperative and postoperative complications, visual acuity, intraocular pressure (IOP), and bleb status were evaluated up to 12 months. RESULTS: Mean preoperative IOP in Group A was 26.96 ± 2.42 reduced to 13.43 ± 2.31 while in Group B was 27.20 ± 3.57 reduced to 15.48 ± 3.68 mmHg (P < 0.001) with a mean reduction of 50.61% ± 8.42% and 43.56% ± 12.83%, 12 months postoperatively in Groups A and B, respectively. Non-basal peripheral iridectomy was the most encountered intraoperative complication in 8 eyes (32%) and 9 eyes (36%) and hypotony was the most reported postoperative complication in 5 eyes (20%) and 9 eyes (36%) in Groups A and B, respectively. Flat bleb area had been reported at the end of follow-up time in 3 eyes (13%) and 7 eyes (30%) in Groups A and B, respectively. Complete success rate was 52.2% and 28.6% while qualified success rate was 28.8% and 42.9% in Groups A and B, respectively. CONCLUSION: SIGS with SC MMC is an effective and safe procedure in IOP lowering, while radiofrequency-assisted stab incision had high incidence of subconjunctival scarring and ostium closure.

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