What is aggressive posterior ROP?

Aggressive posterior retinopathy of prematurity (AP-ROP) is a severe and rare form of ROP which is characterized by fast progression to an advanced stage with flat neovascularization in zone 1 or zone 2 [1, 2].

What is retinopathy of prematurity ROP?

Retinopathy of prematurity (ROP) is an eye disorder caused by abnormal blood vessel growth in the light sensitive part of the eyes (retina) of premature infants. ROP generally affects infants born before week 31 of pregnancy and weighing 2.75 pounds (about 1,250 grams) or less at birth.

How is ROP classified?

The aspects that differ from the original classification include introduction of (1) the concept of a more virulent form of retinopathy observed in the tiniest babies (aggressive, posterior ROP), (2) a description of an intermediate level of plus disease (pre-plus) between normal posterior pole vessels and frank plus …

What is Type 2 ROP?

Aggressive posterior ROP A rapidly progressive, ill-defined form of ROP had been previously described as type II ROP or “Rush disease” or “Fulminate ROP”. It was not specifically included in the original ICROP classification. The revised classification defines it as the “aggressive posterior ROP” (Figure 6a).

What is type1 ROP?

ROP was documented according to the International Committee for the Classification of Retinopathy of Prematurity[1]. Type 1 ROP is defined as: (1) any ROP with plus disease in zone I; (2) stage 3 ROP in zone I; (3) stage 2 or 3 ROP with plus disease in zone II[9].

What is Aprop?

APROP is defined as a flat neovascular network at the simple junction between the posterior vascularized and nonvascularized retina, with increased dilation and tortuosity of retinal vessels in all four quadrants and intraretinal shunting in some cases.

Does retinopathy of prematurity go away?

The disease resolves on its own without further progression. Stage II — Moderately abnormal blood vessel growth. Many children who develop stage II improve with no treatment and eventually develop normal vision. The disease resolves on its own without further progression.

When do you treat retinopathy of prematurity?

If your child has mild retinopathy of prematurity (Stage 1 or 2), the abnormal retinal blood vessels usually heal on their own sometime in the first four months of life. But if the ROP worsens, he may need treatment.