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Retinal features predictive of progressive stage 4 retinopathy of prematurity
M Elizabeth Hartnett1, Janet R McColm
1Department of Ophthalmology, University of North Carolina, Chapel Hill, North Carolina 27599, USA. hartnet@med.unc.edu
Insights
Clear vitreous, less than six clock hours of ridge elevation, and fewer than two quadrants of plus disease predict progressive retinopathy of prematurity (ROP) after laser treatment. This helps manage ROP progression.
Area of Science:
- Ophthalmology
- Neonatal Medicine
- Retinal Diseases
Background:
- Retinopathy of prematurity (ROP) is a leading cause of childhood blindness.
- Laser treatment for threshold ROP aims to prevent severe visual impairment.
- Predicting disease progression after treatment is crucial for timely intervention.
Purpose of the Study:
- Identify retinal features that predict progressive stage 4 ROP after laser treatment.
- Improve management strategies for infants with threshold ROP.
Main Methods:
- Retrospective review of 72 eyes from 37 infants treated for threshold ROP.
- Analysis of retinal features within 1-2 weeks post-laser treatment.
- Generalized estimating equation model used to identify predictive factors.
Main Results:
- Absence of clear vitreous humor was a significant predictor of progression.
- Ridge elevation involving six or more clock hours indicated higher risk.
- Two or more quadrants of plus disease also predicted progressive retinal detachment.
- Neovascularization in two or more quadrants did not predict progression.
Conclusions:
- Specific retinal findings predict the need for surgical intervention in stage 4 ROP.
- Clear vitreous, limited ridge elevation, and less severe plus disease suggest favorable outcomes.
- Findings aid in managing eyes post-laser treatment for threshold ROP.
Purpose:
To determine the retinal features predictive of progressive stage 4 retinopathy of prematurity (ROP) after laser treatment for threshold ROP.
Methods:
Retrospective review of 72 eyes of 37 infants after laser treatment for threshold ROP between 1993 and 2002. Retinal features were abstracted from examinations made within 1 week of development of stage 4A ROP or 2 weeks after laser treatment in eyes with regressed threshold disease. Predictive features of progressive stage 4 ROP were determined using a generalized estimating equation model to account for within-subject variability.
Results:
The generalized estimating equation showed that vitreous state, ridge elevation of six or more clock hours, and two or more quadrants of plus disease predicted progressive retinal detachment, whereas two or more quadrants of neovascularization did not.
Conclusions:
Progressive stage 4 ROP requiring surgical intervention was predicted by the absence of clear vitreous, ridge elevation of six or more clock hours, and two or more quadrants of plus disease, but not by neovascularization. These results may be useful in the management of eyes after laser treatment for threshold ROP.
