Journal
SEMINARS IN FETAL & NEONATAL MEDICINE
Volume 17, Issue 1, Pages 26-29Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.siny.2011.08.007
Keywords
Infection; Inflammation; Retinopathy of prematurity
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Funding
- National Institutes of Health [EY019253]
- European Union [HEALTH-F2-2009-241778]
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The major known risk factors for retinopathy of prematurity (ROP) are extremely low gestational age, exposure to high levels of oxygen early after birth (phase I) and relatively lower oxygen levels later (phase II). In this review, we summarize recent data suggesting that exposure to perinatal infection/inflammation is associated with an increased risk for ROP. Part of this effect might be due to direct exposure of the developing retina to circulating products of infection and/or inflammation. Another potential mechanism that deserves exploration is that inflammation and/or oxidative stress can modify the known increased risk of oxygen-associated ROP Taken together, accumulating evidence suggests that prenatal, perinatal, and postnatal systemic inflammation contribute to a 'pre-phase', sensitizing the pre-ROP retina for subsequent insults, setting the stage for what are now called phase I and phase II of ROP pathogenesis. Strategies targeting inflammatory responses might help reduce the risk for ROP in extremely low gestational age newborns. (C) 2011 Elsevier Ltd. All rights reserved.
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