Table 2.
Intraoperative patient characteristics, failure to cure, and postoperative complications following pars-plana vitrectomy for rhegmatogenous retinal detachment
| Characteristic | Total (n = 119) | |
|---|---|---|
| Combined cataract surgery, n (%) | 20 | 16.8% |
| Duration of surgery (mins), mean (SD) | 71.9 | 23.9 |
| Number of tears, mean (SD) | 2.6 | 1.8 |
| One, n (%) | 40 | 33.6% |
| Two, n (%) | 29 | 24.4% |
| Three, n (%) | 13 | 10.9% |
| Four or more, n (%) | 32 | 26.8% |
| Location of tear, n (%) | ||
| Supero-temporal | 65 | 54.6% |
| Supero-nasal | 38 | 31.9% |
| Infero-nasal | 30 | 25.2% |
| Infero-temporal | 40 | 33.6% |
| Number of laser shots, mean (SD) | 969.8 | 519.0 |
| Q1 | 550 | |
| Q2 | 843 | |
| Q3 | 1323 | |
| Q4 | 1776 | |
| Intraoperative 360° Photocoagulation, n (%) | 84 | 70.6% |
| Intraoperative ILM peeling, n (%) | 0 | 0.0% |
| Intraoperative cryotherapy, n (%) | 14 | 11.8% |
| Failure to cure and postoperative complications | ||
|---|---|---|
| ERM formation, n (%) | 69 | 58.0% |
| Stage 1 | 56 | 47.1% |
| Stage 2 | 9 | 7.6% |
| Stage 3 | 3 | 2.5% |
| Stage 4 | 1 | 0.8% |
| Reoperation for ERM | 6 | 5.0% |
| Mean time to reoperation for ERM, days (SD) | 488 | 351 |
| PVR Grade C, n (%) | 2 | 1.7% |
| Re-detachment, n (%) | 2 | 1.7% |
| Macular hole, n (%) | 4 | 3.4% |
| Full thickness, n (%) | 2 | 1.7% |
| Lamellar, n (%) | 2 | 1.7% |
| Severe macular edema a *, n (%) | 1 | 0.8% |
| Subretinal perflurocarbon, n (%) | 1 | 0.8% |
SD standard deviation, Q quartile, ILM internal limiting membrane, ERM epiretinal membrane, PVR proliferative vitreoretinopathy
a *Severe macular edema defined as central foveal thickness greater than 400um with no ERM or tractional component present