International journal of health sciences · 2018
Merits of trabeculectomy in advanced and end-stage glaucoma.
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Sofi Rayees Ahmad, Shafi Shahnawaz, Qureshi Waseem, Ashraf Sehrish
Аннотация
OBJECTIVES: The aim of the study was to evaluate intraocular pressure (IOP) control, potential benefits, and associated complications in advanced cases of glaucoma (visual acuity of <6/60) after trabeculectomy. Although many studies of trabeculectomy in glaucoma patients have been done, very few in such advanced cases.
METHODS: The study was done on 60 cases of advanced primary open-angle glaucoma (POAG). Trabeculectomy was done and IOP control was assessed. Pre-operative workup included a detailed history, slit lamp biomicroscopy, Goldmann applanation tonometry, gonioscopy using Goldmann 2 mirror lens, and detailed fundus examination with the 78D lens. All the patients were to undergo optical coherence tomography and Humphrey automated perimetry.
RESULTS: Out of 60 patients with POAG, 48 were males and 12 were females with a ratio of 4:1. Of all the 60 cases, 36 had a visual acuity of 20/200, 16 had a visual acuity of hand movements, and eight patients had a visual acuity of perception of light. The mean pre-operative IOP was measured as 37.01 mmHg with standard deviation (SD)± 8.82. The mean post-operative IOP was found 17.92 mmHg with SD ± 3.17. There was a mean drop of 19 mmHg of IOP postoperatively. P value was highly significant (P < 0.000).
CONCLUSION: Trabeculectomy is a successful method of controlling IOP in patients with advanced glaucoma. Trabeculectomy is the method of reducing IOP in medically uncontrolled patients. A pain-free eye was associated with better quality of life in patients. A successful trabeculectomy helps to preserve the residual vision in such patients.
METHODS: The study was done on 60 cases of advanced primary open-angle glaucoma (POAG). Trabeculectomy was done and IOP control was assessed. Pre-operative workup included a detailed history, slit lamp biomicroscopy, Goldmann applanation tonometry, gonioscopy using Goldmann 2 mirror lens, and detailed fundus examination with the 78D lens. All the patients were to undergo optical coherence tomography and Humphrey automated perimetry.
RESULTS: Out of 60 patients with POAG, 48 were males and 12 were females with a ratio of 4:1. Of all the 60 cases, 36 had a visual acuity of 20/200, 16 had a visual acuity of hand movements, and eight patients had a visual acuity of perception of light. The mean pre-operative IOP was measured as 37.01 mmHg with standard deviation (SD)± 8.82. The mean post-operative IOP was found 17.92 mmHg with SD ± 3.17. There was a mean drop of 19 mmHg of IOP postoperatively. P value was highly significant (P < 0.000).
CONCLUSION: Trabeculectomy is a successful method of controlling IOP in patients with advanced glaucoma. Trabeculectomy is the method of reducing IOP in medically uncontrolled patients. A pain-free eye was associated with better quality of life in patients. A successful trabeculectomy helps to preserve the residual vision in such patients.