Laser Treatment of Zone I Prethreshold and Stage 3 Threshold Retinopathy of Prematurity

Récsán, Zsuzsa; Vámos, Rita; Salacz, György
July 2003
Journal of Pediatric Ophthalmology & Strabismus;Jul/Aug2003, Vol. 40 Issue 4, p204
Academic Journal
Purpose: To analyze the structural outcomes of zone I prethreshold and stage 3 threshold retinopathy of prematurity following laser ablation. Patients and Methods: This nonrandomized observational case series evaluated 71 eyes of 36 infants who weighed less than 1,250 g at birth. Infants were treated at either prethreshold or threshold severity. The structural outcomes were compared using Fisher's exact test. Results: The structural outcome was favorable in 96% and 80% of the prethreshold and threshold groups, respectively (P = .069). When an unfavorable outcome was defined as dragging of the temporal vessels, the difference was significant (P = .0257).


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