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Published on: April 2, 2021
Treatment of retinopathy of prematurity
1Aintree NHS Hospitals Trust, UK. DAVID.CLARK@aintree.nhs.uk
Insights
Retinopathy of prematurity treatment, including laser photocoagulation, improves outcomes for premature infants. Earlier intervention for high-risk pre-threshold disease offers significantly better results, though further treatments may be needed.
Area of Science:
- Ophthalmology
- Neonatology
- Developmental Biology
Background:
- Retinopathy of prematurity (ROP) is a leading cause of blindness in premature infants.
- Current treatments like laser photocoagulation aim to reduce adverse structural and visual outcomes.
- Despite treatment, significant visual impairment persists in a notable percentage of cases.
Purpose of the Study:
- To review the efficacy of current treatments for retinopathy of prematurity.
- To highlight the benefits of early intervention in high-risk pre-threshold ROP.
- To discuss outcomes and future therapeutic directions for ROP.
Main Methods:
- Review of landmark studies (CRYO-ROP, ETROP) on ROP treatment.
- Analysis of outcomes associated with cryotherapy and laser photocoagulation.
- Discussion of surgical interventions and emerging therapies like anti-VEGF.
Main Results:
- Laser photocoagulation improves structural and visual outcomes compared to no treatment.
- Early treatment of type 1 pre-threshold ROP yields significantly better results than threshold treatment.
- Retinal detachment remains a complication, with variable outcomes from surgical treatments.
Conclusions:
- Current ablative therapies for ROP offer long-term benefits but do not eliminate visual impairment.
- Early treatment strategies for high-risk ROP are crucial for improved visual acuity.
- Anti-VEGF therapies represent a promising future direction for ROP management.
Abstract:
Retinopathy of prematurity is a potentially blinding disorder of premature infants. Retinal ablation of the avascular retina originally described using cryotherapy but now most commonly undertaken with laser photocoagulation, reduces the unfavourable structural outcomes and improves the functional visual acuity outcome. The CRYO-ROP study showed the long-term benefit of treatment of threshold disease compared with no treatment, however even with cryoablation 44.4% of treated eyes had a visual acuity of 6/60 or worse at 10 year follow-up. The ETROP study of earlier treatment for high-risk pre-threshold disease, rather than treatment at threshold, has shown that pre-threshold treatment of type 1 disease produces a significantly improved outcome. Despite treatment some infants develop retinal detachment for which various surgical treatments have been described, although not always with a good functional outcome. Future treatment modalities may include the use of anti-VEGF therapies.
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