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The role of blood transfusions and iron intake on retinopathy of prematurity.
Early Human Development 2001 April
BACKGROUND: The role of blood transfusions and iron intake in the pathogenesis or retinopathy of prematurity (ROP) is controversial.
AIM: To evaluate the influence of packed red cell (PRC) transfusions and iron intake on ROP incidence.
STUDY DESIGN: Prospective observational study.
SUBJECTS: Forty-five preterm infants with birthweight <1250 g were studied. After ophthalmological study, they were divided into group A (n=24) that included newborns without ROP, and group B (n=21) that included newborns with ROP.
RESULTS: Logistic regression analysis demonstrated that gestational age (OR 0.61; 95% C.I. 0.41-0.90), transfusion volume during the first week (OR 1.16; 95% C.I. 1.03-1.3) and during the first 2 months of life (OR 2.93; 95% C.I. 1.52-5.62), and iron intake during the first week of life (OR 1.15; C.I. 1.01-1.32) and during the first 2 months of life (OR 2.93; 95% C.I. 1.52-5.62) were associated with the development of ROP.
CONCLUSION: Our study showed that gestational age, blood transfusion volume and iron load by transfusions are associated with the risk of occurrence of ROP in infants with a birthweight of less than 1250 g.
AIM: To evaluate the influence of packed red cell (PRC) transfusions and iron intake on ROP incidence.
STUDY DESIGN: Prospective observational study.
SUBJECTS: Forty-five preterm infants with birthweight <1250 g were studied. After ophthalmological study, they were divided into group A (n=24) that included newborns without ROP, and group B (n=21) that included newborns with ROP.
RESULTS: Logistic regression analysis demonstrated that gestational age (OR 0.61; 95% C.I. 0.41-0.90), transfusion volume during the first week (OR 1.16; 95% C.I. 1.03-1.3) and during the first 2 months of life (OR 2.93; 95% C.I. 1.52-5.62), and iron intake during the first week of life (OR 1.15; C.I. 1.01-1.32) and during the first 2 months of life (OR 2.93; 95% C.I. 1.52-5.62) were associated with the development of ROP.
CONCLUSION: Our study showed that gestational age, blood transfusion volume and iron load by transfusions are associated with the risk of occurrence of ROP in infants with a birthweight of less than 1250 g.
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