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Updated: Dec 20, 2025
Biochemical Measurement of Neonatal Hypoxia
Published on: August 24, 2011
Effect on metabolic bone disease markers in the neonatal intensive care unit with implementation of a practice
Elizabeth Marie Sabroske1, Davis Harrison Payne2, Christina Nicole Stine3
1Baylor College of Medicine, San Antonio, TX, USA.
Insights
Implementing a new policy for very low birth weight (VLBW) infants significantly improved vitamin D supplementation timing. This led to a notable decrease in abnormal metabolic bone disease markers, enhancing infant care outcomes.
Area of Science:
- Neonatal Medicine
- Pediatric Endocrinology
- Public Health Policy
Background:
- Metabolic bone disease is a significant concern in very low birth weight (VLBW) infants.
- Early identification and management are crucial for preventing complications.
- Standardized policies can improve care consistency.
Purpose of the Study:
- To evaluate the impact of a 2015 policy on metabolic bone disease management in VLBW infants.
- To assess changes in screening, prevention, and treatment protocols.
- To determine the policy's effect on biochemical markers of bone health.
Main Methods:
- Retrospective cohort study design.
- Comparison of VLBW infants before (2013-2014) and after (2016-2017) policy implementation.
- Analysis of data from two Level IV Neonatal Intensive Care Units (NICUs).
Main Results:
- Vitamin D supplementation initiated earlier post-policy (20.1 days vs. 30.2 days).
- Increased percentage of infants receiving alkaline phosphatase tests.
- Significant reduction in infants with elevated alkaline phosphatase (>800 IU/L) and low phosphorus (<4 mg/dL).
Conclusions:
- The implemented policy effectively improved the timeliness of vitamin D supplementation.
- The policy led to a significant decrease in the detection of abnormal biochemical markers associated with metabolic bone disease.
- Policy adoption enhanced the management of metabolic bone disease in VLBW infants.
Objectives:
To determine the effect of implementing a 2015 policy for the screening, prevention, and management of metabolic bone disease for very low birth weight (VLBW) infants in two Level IV NICUs.
Study Design:
Retrospective cohort study of VLBW infants in the 2 years prior to (2013-2014) and after (2016-2017) policy implementation.
Results:
We identified 316 VLBW infants in 2013-2014 and 292 in 2016-2017 who met study criteria. After policy implementation, vitamin D supplementation began earlier (20.1 ± 15.5 days vs 30.2 ± 20.1 days, p < 0.0005), the percentage of infants with alkaline phosphatase obtained increased (89.7% vs 76.3%, p < 0.0005), while the percentage of infants with alkaline phosphatase >800 IU/L (11.7 vs 4.5%, p = 0.0001) and phosphorous <4 mg/dL (14.2% vs 7.9%, p = 0.014) fell significantly.
Conclusions:
After policy implementation, vitamin D supplementation began significantly earlier and the rate of detecting abnormal biochemical markers of metabolic bone disease decreased significantly.
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