Abstract
Purpose
The purpose was to explore underlying maternal, obstetric, and neonatal risk factors of retinal hemorrhages (RH) in healthy full-term newborns.
Methods
A total of 1199 full-term infants, with gestational age more than 37 weeks and Apgar score of 7 or above, were included in this study. Infants with severe systemic diseases or any other eye diseases were excluded. Eye examinations with RetCamIII within 1 week of birth were performed in all infants. Maternal, obstetric, and neonatal parameters were analyzed and compared between newborns with RH and those without RH.
Results
RH was seen in 294 of the 1199 infants (24.5 %) in this study. Among factors examined in the study, spontaneous vaginal delivery (SVD) (odds ratio [OR] =3.811 [95 % CI2.649–5.483], P < 0.001) and cephalhematoma (OR = 1.823 [95 % CI1.009–3.296], P = 0.047) correlated positively with RH occurrence in newborns, while a history of cesarean delivery correlated negatively with RH occurrence (OR = 0.296 [95 % CI0.139–0.630], P = 0.002). There was no statistical correlation found between RH and the other risk factors examined in this study. These factors included gender, gestational age, birth weight, maternal age, volume, and turbidity of amniotic fluid, duration of the first or second stage of labor, anemia, hypertensive disorders complicating pregnancy (HDCP), fetal distress, intracranial hemorrhage, and neonatal hyperbilirubinemia.
Conclusions
RH is common in full-term newborns. A lower prevalence of newborn RH was found in infants delivered by mothers with a history of cesarean delivery. In contrast, SVD and cephalhematoma were found to be potential risk factors for the development of newborn RH in full-term infants. Infants with these risk factors may, therefore, require greater attention in regard to RH development.
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Funding
This study was supported by the Zhongshan City Science and Technology Planning Project (No.20122A003) and the National Natural Science Foundation of China (No.81341028).
Contribution statement
Dr. Qi Zhao and Dr. Yanli Zhang contributed equally to this work and share the first authorship.
The various contributors and their contributions were: design and conduct of study (Q.Z., Y.Z., X.D.); collection of data (Y.Z., Y.Y., Z.L., Y.L., C.W.); management, analysis, and interpretation of data (Y.Y., R.L.); preparation of the manuscript (X.D., Y.Y.); and review and approval of manuscript (X.D., Y.Y.).
Conflict of interest disclosures
All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or nonfinancial interest in the subject matter or materials discussed in this manuscript.
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Qi Zhao and Yanli Zhang contributed equally to this work.
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Zhao, Q., Zhang, Y., Yang, Y. et al. Birth-related retinal hemorrhages in healthy full-term newborns and their relationship to maternal, obstetric, and neonatal risk factors. Graefes Arch Clin Exp Ophthalmol 253, 1021–1025 (2015). https://doi.org/10.1007/s00417-015-3052-9
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DOI: https://doi.org/10.1007/s00417-015-3052-9