Research Article
Surgical Outcomes of a Second Ahmed Glaucoma Valve Implantation in Asian Eyes with Refractory Glaucoma
Table 1
Demographic characteristics of patients and eyes in the study sample at the time of the second Ahmed glaucoma valve implantation.
| | Characteristic | Results |
| | Number of eyes (patient) | 21 (20) | | Age, mean years (SD†) | 48.8 (17.6) | | Gender, n (%) patients | | | Male | 18 (90.0) | | Female | 2 (10.0) | | Race, n (%) patients | | | Chinese | 12 (60.0) | | Malay | 2 (10.0) | | Indian | 3 (15.0) | | Others | 3 (15.0) | | Prior trabeculectomy done, n (%) eyes | | | Yes | 5 (23.8) | | No | 16 (76.2) | | Diagnosis, n (%) eyes | | | Primary open-angle glaucoma (POAG) | 7 (33.3) | | Neovascular glaucoma | 1 (4.8) | | Traumatic glaucoma | 2 (9.5) | | Uveitic glaucoma | 4 (19.0) | | Aphakic glaucoma | 1 (4.8) | | Silicone oil induced glaucoma | 2 (9.5) | | Congenital glaucoma | 2 (9.5) | | Juvenile glaucoma | 1 (4.8) | | Glaucoma secondary to Rieger’s anomaly | 1 (4.8) | | Lens status, n (%) eyes | | | Phakic | 3 (14.2) | | Pseudophakic | 17 (81.0) | | Aphakic | 1 (4.8) | | First GDD‡ model, n (%) eyes | | | AGV§—FP7 | 16 (76.2) | | AGV—S2 | 3 (14.4) | | Baerveldt shunt | 1 (4.8) | | Unknown | 1 (4.8) | | Time between first GDD and second AGV implantation, mean years (SD) | 5.4 (0.7) | | Second AGV location, n (%) eyes | | | Superotemporal | 5 (23.7) | | Superonasal | 9 (42.9) | | Inferotemporal | 6 (28.6) | | Inferonasal | 1 (4.8) |
|
|
†SD = standard deviation; ‡GDD = glaucoma drainage device, §AGV = Ahmed glaucoma valve.
|
