#38. Retinopathy of prematurity (ROP).

Question 1

What is RETINOPATHY of PREMATURITY?

Answer 1

• A RETINAL DISORDER that attributes to the DISURPTION of NORMAL DEVELOPMENT of the RETINAL Vasculature
• IN Pre-term Infants
• With Birth Weight LESS THAN &laquo_space;2500g

Question 2

What are the STAGES of ROP?

Answer 2

Stage 1 = DEMARCATION
- Border BTW Vascularised + Non-Vascularised Retina

Stage 2 = FORMATION of RIDGE
- DEVELOPING the INTRARETINAL Proliferative Tissue

Stage 3 = Ridge WITH EXTRARETINAL Proliferation

Stage 4 = SUBTOTAL Retinal DETACHMENT

Stage 5 = TOTAL Retinal DETACHMENT

Question 3

What is the EPIDEMIOLOGY of ROP?

Answer 3

• Disorder is RARE
• Infants with Birth Weight BELOW &laquo_space;1000g are at HIGH RISK of developing this disorder
• NOT ALWAYS Preventable, DESPITE the OPTIMUM Care + Strict MONITORING of PARTIAL Pa of O2

Question 4

What are the CAUSES of ROP?

Answer 4

• Pre-Term Birth
• Exposure to Oxygen, DISTURBS Normal Development of Retinal Vasculature
• Vessel OBLITERATION causing Vitreous Haemorrhage / Retinal Detachment / Late Scarring Stage

Question 5

What are the SYMPTOMS of ROP?

Answer 5

• Vitreous Haemorrhage
• Retinal Detachment
• Secondary Strabismus

Question 6

What are the DIFFERENTIAL DIAGNOSIS of ROP?

Answer 6

• Retinoblastoma
• Cataract

Question 7

What is the TREATMENT for ROP?

Answer 7

Stage 3 = Ridge WITH EXTRARETINAL Proliferation
0 LASER PHOTOCOAUGULATION
0 CRYOTHERAPY in the Non-Vascularised Part