Table 10.
Complications in eyes treated for rop early or at threshold*
| Complication | Eyes treated at high-risk prethreshold† (n = 361) | Eyes treated conventionally at threshold† (n = 236) |
|---|---|---|
| Intraoperative ocular complications | ||
| Conjunctival or subjunctival hematoma | 30 (8.3) | 16 (6.8) |
| Conjunctival laceration, unintended | 16 (4.4) | 5 (2.1) |
| Hemorrhage (retinal, preretinal, vitreous) | 14 (3.9) | 12 (5.1) |
| Closure of the central retinal artery | 0 (0.0) | 2 (0.8) |
| Inadvertent burn or freeze to area outside of target zone | 2 (0.6) | 1 (0.4) |
| Other | 2 (0.6) | 0 (0) |
| Systemic complications | ||
| Apnea, bradycardia, or arrhythmia | 31 (8.6) | 10 (4.2) |
| Acquired or increased cyanosis | 13 (3.6) | 4 (1.7) |
| Need for reintubation within 10 days of treatment after stopping artificial ventilator | 40 (11.1) | 12 (5.1) |
| Other | 1 (0.3) | 1 (0.4) |
*
Data are presented as number (percentage).
†
Mean ± SD postmenstrual age at treatment in the early treatment group was 35.2 ± 2.3 weeks and in the threshold treatment group was 37.0 ± 2.5 weeks.