Erik A Jensen1, Ammie M White2, Peihui Liu3, Keolamau Yee1, Brenda Waber1, Heather M Monk4, Huayan Zhang1. 1. Division of Neonatology, Department of Pediatrics, The Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania. 2. Division of Radiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania. 3. Department of Pediatrics, Affiliated Shenzhen Maternity & Child Healthcare Hospital of Southern Medical University, Shenzhen, China. 4. Department of Pharmacy Services, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
Abstract
OBJECTIVE: Nonrespiratory comorbidities are common among preterm infants with severe bronchopulmonary dysplasia (BPD) referred to tertiary perinatal centers. We evaluated the incidence, severity, and risk factors for metabolic bone disease (MBD) in this population. STUDY DESIGN: We conducted a retrospective cohort study of all infants born ≤ 1,500 g who were diagnosed with severe BPD in our single, tertiary referral center between September 2010 and October 2012. MBD severity was classified by serial radiography. RESULTS: Among the 83 infants diagnosed with severe BPD, 26 (31%) developed severe MBD (rickets). Male gender and lower gestational age and birth weight were associated with increased odds of severe MBD. After adjustment for these potential confounders, cytomegalovirus infection, postnatal growth restriction, surgical necrotizing enterocolitis, and blood culture confirmed sepsis were associated with increased odds of severe MBD. The cumulative duration of therapy with furosemide, hydrocortisone, and prednisolone each correlated with significantly greater probability of severe MBD. CONCLUSIONS: Severe MBD was common in this referral-based cohort with severe BPD. The high incidence in this population is likely explained by the coexistence of multiple exposures and comorbidities associated with bone demineralization. Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.
OBJECTIVE: Nonrespiratory comorbidities are common among preterm infants with severe bronchopulmonary dysplasia (BPD) referred to tertiary perinatal centers. We evaluated the incidence, severity, and risk factors for metabolic bone disease (MBD) in this population. STUDY DESIGN: We conducted a retrospective cohort study of all infants born ≤ 1,500 g who were diagnosed with severe BPD in our single, tertiary referral center between September 2010 and October 2012. MBD severity was classified by serial radiography. RESULTS: Among the 83 infants diagnosed with severe BPD, 26 (31%) developed severe MBD (rickets). Male gender and lower gestational age and birth weight were associated with increased odds of severe MBD. After adjustment for these potential confounders, cytomegalovirus infection, postnatal growth restriction, surgical necrotizing enterocolitis, and blood culture confirmed sepsis were associated with increased odds of severe MBD. The cumulative duration of therapy with furosemide, hydrocortisone, and prednisolone each correlated with significantly greater probability of severe MBD. CONCLUSIONS: Severe MBD was common in this referral-based cohort with severe BPD. The high incidence in this population is likely explained by the coexistence of multiple exposures and comorbidities associated with bone demineralization. Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.
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