Table 2.
Post-operative complications
| Complication | Intervention type | ||||
|---|---|---|---|---|---|
| Angle surgery | Fistulizing procedures | GDI procedures | CPC procedures | ||
| Hyphema | 56–80%a | 7–14% | 6–11% | ||
| Hypotony | 8–72% | 13–18% | |||
| Shallow anterior chamber | 14–40% | 6–11% | |||
| Choroidal detachment | 4–24% | 0–50% | 4% | ||
| Papilledema | 25% | ||||
| Vitreous prolapse | 13% | ||||
| Infection | 6% | ||||
| Cataract progression | 6–21% | 31–48% | 11–50% | 11% | |
| Bleb: Tenon cysts | 6% | ||||
| Tube | Tube block by iris or vitreous | 6–11% | |||
| Cornea-tube touch | 6–11% | ||||
| Tube exposure | 25% | ||||
| Reoperation | 29–48% | 43–62% | 38% | 37% | |
aMostly transient hyphema after angle surgery, only 6% had a total hyphema complicated by increased IOP requiring an anterior chamber washout or another surgical intervention (Ho et al.). GDI Glaucoma drainage implants, CPC Cyclodestructive/cyclophotocoagulation procedure