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Introduction. With the use of aggressive parenteral nutrition in very low birth weight infants, alterations in calcium and phosphate metabolism were detected. In 2016, a prevention strategy was implemented through calcium phosphate monitoring and early supplementation. Our objective was to study whether this strategy reduces the prevalence of osteopenia and to identify associated risk factors. Population and methods. Quasi-experiment comparing the prevalence of osteopenia between two groups: one after implementing the calcium phosphate monitoring and supplementation strategy (01/01/2017-12/31/2019) and another prior to such intervention (01/01/2013-12/31/2015). Results. A total of 226 patients were included: 133 in the pre-intervention period and 93 in the post-intervention period. The overall prevalence of osteopenia was 26.1% (95% CI: 20.5-32.3) and it was reduced from 29.3% (95% CI: 21.7-37.8) in the pre-intervention period to 21.5% (95% CI: 13.6-31.2) in the post-intervention period, with no statistical significance (p = 0.19). In the multivariate analysis, the NEOCOSUR score for risk of death at birth, use of postnatal corticosteroids, and the intervention period were independently associated with osteopenia. Being born after the intervention reduced the probability of alkaline phosphatase > 500 IU/L by 71%, regardless of the other variables included in the model. Conclusion. Calcium phosphate monitoring and early supplementation is a protective factor against the development of osteopenia in very low birth weight infants.Sociedad Argentina de Pediatría.


Maria P Carrascal Gutiérrez, María C Janis, Pablo H Brener Dik, María F Galletti, Gonzalo L Mariani. Prevalence of osteopenia of prematurity before and after implementing an early strategy with the use of calcium and phosphate. Archivos argentinos de pediatria. 2023 Aug 17:e202303001e202303001

PMID: 37578389

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