Fakülteler / Faculties

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Author: search.filters.author.Eksioglu, UmitSubject: search.filters.subject.Risk factors

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    Factors affecting the surgical success of trabeculectomy performed as the first surgery in primary pediatric glaucoma
    (2022) Demirok, Gulizar; Ozkan, Guner; Kaderli, Ahmet; Guvenc, Umay; Yakin, Mehmet; Eksioglu, Umit; 0000-0002-3061-7162; 35353293; ABG-2501-2020
    Purpose To present the outcomes and factors affecting the success of trabeculectomy performed as the first surgery in primary pediatric glaucoma. Methods Pediatric patients with primary glaucoma who underwent trabeculectomy as the first surgery were retrospectively reviewed. Age, gender, preoperative intraocular pressure (IOP), operation age, axial length, corneal diameter, anterior segment findings, antimetabolite used, complications, and 1-month, 3-months, 1-year, and most recent postoperative findings were recorded. Postoperative IOP with/without medication of 18 mmHg or less was considered successful. Factors that may have affected surgical success were also evaluated using multivariate analysis. Results Included in the study were 48 patients, of whom 30 had primary congenital glaucoma and 18 had juvenile glaucoma. The mean preoperative IOP was 36.84 +/- 6.30 mmHg, and the mean follow-up time was 7.95 +/- 6.93 years. The median operation age value was 100.00 +/- 100.83 (median: 60; IQR: 153) months. The postoperative IOP at the 1-month, 3-months, 1-year, and most recent follow-ups were 15.39 +/- 6.88, 15.70 +/- 7.36, 16.28 +/- 7.86, and 17.48 +/- 8.44 mmHg, respectively (p = 0.565). While there were no postoperative complications in 24 of the patients (50.0%), the most common complications were choroidal detachment and hypotony. Postoperative complication development was found to be significant as a factor affecting surgical success in the multivariate logistic regression analysis. Surgical success rates for all of the patients were 71.7%, 65.9%, 65.0%, and 61.4% at the 1-month, 3-months, 1-year, and most recent follow-ups, respectively. A significant difference was found between the congenital and juvenile groups in terms of surgical success only at 3 months (p = 0.953, p = 0.042,p = 0.191, p = 0.218; respectively). Discussion/Conclusion The fact that surgical success was partially higher in the juvenile group confirmed the idea that the results of trabeculectomy will be more favorable in patients of older age and without anterior segment anomalies.
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    Assessing risk factors for postoperative hypotony in Ahmed glaucoma valve implantation surgery
    (2021) Kaderli, Ahmet; Demirok, Gulizar; Uney, Guner; Yakin, Mehmet; Gunal, Berku; Eksioglu, Umit; 34019191
    Purpose To assess the risk factors associated with the development of hypotony after Ahmed glaucoma valve (AGV) implantation. Methods One hundred and ninety-three eyes of 177 patients with various types of glaucoma that were treated with AGV implantation were retrospectively evaluated. Intraocular pressure lower than 6 mmHg related to the surgery is defined as postoperative hypotony. Patients' demographic characteristics, type of glaucoma, preoperative and postoperative visual acuity, necessity of antiglaucoma treatments, lens status, previous ocular surgeries, intraocular pressure (IOP) measurements before and after surgeries, the need for additional procedures and postoperative complications were recorded from the patients' charts. Results Hypotony was seen in 68 of 193 eyes (35.2%) postoperatively. In 45 eyes (23.3%), it has occurred in first postoperative day and in 23 eyes (11.9%) after the first day within the first week. There was no difference in intraocular pressures between two groups in the first year follow-up. Pre- and postoperative best-corrected visual acuities, age and gender were not statistically different between hypotony and no hypotony groups (p > 0.05). Also, lens status, history of previous ocular surgery, type of glaucoma and number of preoperative glaucoma medication usage were not found to be different between groups (p > 0.05). Conclusions Potential risk factors such as age, sex, lens status, history of previous ocular surgeries, preoperative glaucoma medication usage or glaucoma type are not found to influence upon postoperative hypotony prevalence for AGV surgery. Surgery type and personal ocular factors, which could not be determined beforehand, could be more important than demographic features.