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Phosphate, alkaline phosphatase and bone mineralization in preterm neonates
S W Ryan1, J Truscott, M Simpson
1Institute of Child Health, University of Liverpool, UK.
Acta Paediatrica (Oslo, Norway : 1992)
|June 1, 1993
Summary
Blood phosphate and alkaline phosphatase levels show a weak link to bone mineralization in preterm infants. These markers alone cannot identify neonates with significant bone mineral deficits.
Area of Science:
- Neonatology
- Pediatric Bone Health
- Biochemistry
Background:
- Preterm neonates are at high risk for poor bone mineralization.
- Accurate assessment of bone mineral deficits is crucial for timely intervention.
- Biochemical markers like phosphate and alkaline phosphatase are often used to assess bone health.
Purpose of the Study:
- To investigate the relationship between bone mineralization and blood concentrations of phosphate and alkaline phosphatase in preterm neonates.
- To determine if these biochemical markers can reliably identify neonates with significant bone mineral deficits.
Main Methods:
- Single photon absorptiometry was used to measure bone mineralization in 71 preterm neonates.
- Blood samples were analyzed for phosphate and alkaline phosphatase concentrations.
Main Results:
- Both phosphate and alkaline phosphatase concentrations were significantly related to bone mineral content.
- Alkaline phosphatase concentrations also showed a relationship with bone mineral content relative to weight.
- However, these markers explained only a small portion of the variation in bone mineralization.
Conclusions:
- Neither blood phosphate nor alkaline phosphatase concentrations alone are sufficient to identify preterm neonates with substantial bone mineral deficits.
- Further research may be needed to identify more reliable markers for assessing bone health in this population.