Abstract
Preterm, low-birth-weight neonates are predisposed to metabolic bone disease (MBD). This survey aimed to assess screening, diagnostic, and treatment practices in U.S. level IIIB/IIIC neonatal intensive care units (NICUs). A 29-question anonymous online survey was e-mailed to American Academy of Pediatrics Perinatal Section members. 338 neonatologists, representing 246 IIIB/IIIC NICUs, responded. 86% reported MBD screening. Screening was primarily based on gestational age (71%), with thresholds <26 to <36 weeks. Other criteria included birth weight (64%), total parenteral nutrition duration (48%), X-ray findings (56%), diuretic use (41%), and exclusive breast-feeding (9.6%). Almost universally, diagnosis was based on elevated alkaline phosphatase, most commonly >500 U/L (58.6%). 52% used X-ray for diagnosis. Treatment included human milk fortification (83%), vitamin D (67%), calcium (65%), and phosphorus (65%) supplementation. Our survey confirms widespread awareness of MBD but highlights lack of consensus regarding definition, screening, and treatment. Further research is needed to develop and optimize strategies to prevent, recognize, and manage MBD.
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