Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus · 2008
Human recombinant erythropoietin and the incidence of retinopathy of prematurity: a multiple regression model.
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Suk Kevin K, Dunbar Jennifer A, Liu Anthony, Daher Noha S, Leng Cheri K, Leng Jason K, Lim Pauline, Weller Samantha, Fayard Elba
Аннотация
BACKGROUND: Recombinant human erythropoietin (rhEPO) is used for the treatment of anemia of prematurity. However, it has also been found to have properties similar to vascular endothelial growth factor (VEGF), the major angiogenic factor implicated in the pathogenesis of retinopathy of prematurity (ROP). We sought to determine whether rhEPO is an independent risk factor for the development of ROP.
METHODS: Data were analyzed from 264 infants admitted to the Loma Linda University Children's Hospital neonatal intensive care unit in 1994 and 2002. The data included demographic characteristics, incidence of major morbidities, rhEPO treatment, number of red blood cell transfusions received, and incidence and severity of ROP. A multiple logistic regression model was used to determine the relation of the studied risk factors to the incidence (any stage) and severity (threshold ROP requiring cryotherapy or laser photocoagulation) of ROP.
RESULTS: The risk of developing ROP increased among infants who received >20 doses of rhEPO was higher compared with those who received < or =20 doses (OR, 3.53; 95% CI, 1.59, 7.85). These infants were also more likely to require laser photocoagulation (OR, 4.31; 95% CI, 1.99, 9.33). The age at which rhEPO was started was also a significant risk factor, with those starting rhEPO after 20 days of age having almost fourfold the risk of ROP compared with those starting it on or before 20 days of age (OR, 3.57; 95% CI, 1.59, 8.03).
CONCLUSIONS: rhEPO was found to be a significant independent risk factor for the development of ROP.
METHODS: Data were analyzed from 264 infants admitted to the Loma Linda University Children's Hospital neonatal intensive care unit in 1994 and 2002. The data included demographic characteristics, incidence of major morbidities, rhEPO treatment, number of red blood cell transfusions received, and incidence and severity of ROP. A multiple logistic regression model was used to determine the relation of the studied risk factors to the incidence (any stage) and severity (threshold ROP requiring cryotherapy or laser photocoagulation) of ROP.
RESULTS: The risk of developing ROP increased among infants who received >20 doses of rhEPO was higher compared with those who received < or =20 doses (OR, 3.53; 95% CI, 1.59, 7.85). These infants were also more likely to require laser photocoagulation (OR, 4.31; 95% CI, 1.99, 9.33). The age at which rhEPO was started was also a significant risk factor, with those starting rhEPO after 20 days of age having almost fourfold the risk of ROP compared with those starting it on or before 20 days of age (OR, 3.57; 95% CI, 1.59, 8.03).
CONCLUSIONS: rhEPO was found to be a significant independent risk factor for the development of ROP.