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Erschienen in:
01.06.2015 | Retinal Disorders
Anterior segment ischemia following diode laser photocoagulation for aggressive posterior retinopathy of prematurity
Erschienen in: Graefe's Archive for Clinical and Experimental Ophthalmology | Ausgabe 6/2015
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Purpose
To describe the clinical and demographical characteristics and treatment outcomes of the premature infants who were presented with the signs of anterior segment ischemia (ASI) following transpupillary diode laser photocoagulation for aggressive posterior retinopathy of prematurity (APROP).
Methods
The records of the premature infants who developed ASI following bilateral laser photocoagulation between November 2010 and December 2013 in a single institution for the treatment of APROP were retrospectively reviewed. The clinical and demographical characteristics, laser parameters, anterior segment complications, and structural outcomes were evaluated.
Results
Nine eyes of five infants (three males, two females) were recruited for the study. Mean gestational age (GA), birth weight (BW), and postmenstrual age (PMA) at the time of laser ablation were 28.2 ± 2.5 weeks, 1,287.0 ± 483.4 g and 34.8 ± 2.2 weeks, respectively. All eyes were treated with a near-confluent pattern of laser ablation. Several anterior segment complications were observed including corneal edema (nine eyes), posterior synechia (nine eyes), pupillary membranes (five eyes), shallow anterior chamber (three eyes), hyphema (three eyes), and focal lens opacities (two eyes), of all resolved completely. Permanent dense cataracts observed in two eyes of two infants who were scheduled for lensectomy and anterior vitrectomy. None of the eyes progressed to phthisis bulbi.
Conclusions
Anterior segment ischemia after laser treatment of APROP is a rarely encountered clinical entity. Mild and transient cases may resolve without any long-term sequelae but severe ones may progress to permanent cataract requiring further surgery.