Table 1.
Preoperative characteristics of cases with failed DSAEK undergoing re-DSAEK or penetrating keratoplasty
| Preoperative factor | Re-DSAEK group (n=62) | PKP group (n=32) | P |
|---|---|---|---|
| Indication for DSAEK1 | |||
| PBK | 37 (59.7%) | 9 (28.1%) | <0.001 |
| ABK | 2 (3.2%) | 7 (21.9%) | |
| FECD | 18 (29.0%) | 2 (6.3%) | |
| CHED | - | 3 (9.4%) | |
| Herpetic endothelitis | 5 (8.1%) | 3 (9.4%) | |
| Honeybee sting-induced decompensation | - | 3 (9.4%) | |
| Failed graft | - | 4 (12.5%) | |
| Axenfeld-Rieger | - | 1 (3.1%) | |
| Glaucoma1 | 16 (25.8%) | 5 (15.6%) | 0.31 |
| Glaucoma treatment1 | |||
| Medical | 16 (100%) | 1 (25%) | 0.001 |
| Surgical | 0 | 4 (75%) | |
| Trabeculectomy | 3 | ||
| Glaucoma drainage devices | 1 | ||
| Lens status1 | |||
| Phakic | 17 (27.4%) | 11 (34.4%) | <0.001 |
| Pseudophakic | 44 (71.0%) | 13 (40.6%) | |
| PCIOL | 41 (66.1%) | 4 (12.5%) | |
| SFIOL | 3 (4.9%) | 7 (21.9%) | |
| ACIOL | 0 | 2 (6.2%) | |
| Aphakic | 1 (1.6%) | 8 (25%) | |
| Mild paracentral stromal scarring1 | 19 (30.6%) | 18 (56.2%) | 0.025 |
| Corneal thickness (μm)2 | 732.8±82.5 | 974.5±182.5 | <0.001 |
| Time interval to primary surgery (months)3 | 6 (2-60) | 18 (8-48) | <0.001 |
DSAEK=Descemet stripping automated endothelial keratoplasty; PKP=Penetrating keratoplasty; ABK=Aphakic bullous keratopathy; PBK=Pseudophakic bullous keratopathy; FECD=Fuchs’ endothelial corneal dystrophy; CHED=Congenital hereditary endothelial dystrophy; PCIOL=Posterior chamber intraocular lens; SFIOL=Scleral fixated intraocular lens; ACIOL=Anterior chamber intraocular lens. 1Results displayed as number of cases (percentage). 2Results displayed as mean±standard deviation. 3Results displayed as median (range)