Comparison of complications after Ahmed versus Baerveldt implant in glaucoma patients: One year follow-up

Sara Listyani Koentjoro, Widya Artini, Iwan Soebijantoro, Vira Wardhana Istiantoro, Emma Rusmayani, Rini Sulastiwaty, Zeiras Eka Djamal, Arini Safira Nurul Akbar, Muhammad Yoserizal

Research output: Contribution to journalArticlepeer-review


• AIM: To compare surgical results of the Ahmed and Baerveldt implant procedures in glaucoma patients at 1y follow-up at Jakarta Eye Center (JEC) Eye Hospitals. • METHODS: This cohort retrospective study was conducted on glaucoma patients aged ≥18y who had undergone Ahmed and Baerveldt implant surgery. Intraocular pressure (IOP), visual acuity, glaucoma medication, success rate, early and late postoperative complications, and the number of resurgeries were analyzed. • RESULTS: A total of 351 eyes in the Ahmed group and 94 eyes in the Baerveldt group were included in this study. At 1y follow-up, the mean IOP was found to be significantly lower in the Baerveldt group (13±4.47 mm Hg) compared to the Ahmed group (15.02±5.73 mm Hg; P=0.025). Glaucoma medication was required in both the Ahmed and Baerveldt groups (58.92% vs 71.67%). Comparable success rate was found in both groups. The Ahmed group revealed a complete and qualified success of 86.82%, and failure of 13.17%. Similarly, the Baerveldt group showed complete and qualified success in 87.75% and failure in 12.25% cases. In the Ahmed group, 11.97% early complications, 26.06% late complications and 9.97% resurgeries were observed. In comparison, in the Baerveldt group, 23.40% early complications, 30.95% late complications and 11.70% resurgeries were observed. • CONCLUSION: Both groups of glaucoma implants show significant IOP reduction, however, the Baerveldt implant group demonstrates greater IOP reduction with more failure rates and complications than the Ahmed implant group.

Original languageEnglish
Pages (from-to)1908-1914
Number of pages7
JournalInternational Journal of Ophthalmology
Issue number12
Publication statusPublished - 18 Dec 2020


  • Ahmed implant
  • Baerveldt implant
  • Complications
  • Intraocular pressure
  • Success rate


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