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Akil J. Pascal, Ayaz Shaikh, Mohammedyusuf E. Hajee, Douglas R. Lazzaro, Eric M. Shrier; Association of Intraventricular Hemorrhage with Retinopathy of Prematurity. Invest. Ophthalmol. Vis. Sci. 2011;52(14):3141.
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Previous studies have shown an association between Intraventricular Hemorrhage (IVH) and threshold Retinopathy of Prematurity (ROP). The aim of this study is to describe the incidence of ROP and IVH in infants from the neonatal intensive care unit (NICU) at Kings County Hospital Center (KCHC) and examine their association with sex, ethnic origin, birth weight, gestational age, exposure to oxygen, and apgar score at 1 and 5 minutes.
This study was a retrospective chart review of neonates admitted to KCHC's NICU who were screened for ROP over a 5 year period from January of 2004 to December of 2009. Information such as birth weight, gestational age, sex, ethnic origin, stage of ROP and grade of IVH were recorded and analyzed to re-examine the association between ROP and IVH.
During the 5 year peiod, 339 infants were screened for ROP. There were 86 infants identified to have ROP, of these 52 (61%) infants had stage 1, 23 (27%) had Stage 2, 8 (9%) had Stage 3, and 3 (3%) had Stage 4. There were 39 infants who were found to have an IVH, of these 10 (26%) had grade 1, 17 (44%) had grade 2, 8 (21%) had grade 3, and 4 (9%) had grade 4. Of the patients found to have ROP, 15 were found to have an IVH, 2 (13%) had grade 1, 9 (60%) had grade 2, 3 (20%) had grade 3 and 1 (7%) had grade 4.
There was an increased risk of developing an IVH in infants who were identified to have ROP. In contrast to previous reports, there was no correlation between grade of IVH, stage of ROP, sex, ethnic origin, birth weight, gestational age, exposure to oxygen, and apgar score at 1 minute and apgar score at 5 minutes.
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