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    Incidencia de enfermedad metab贸lica 贸sea en neonatos

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    Introduction. Metabolic bone disease of premature infants is a rare complication, established due to lower mineral content in bone tissue. Objective. To establish the incidence of metabolic bone disease in premature infants and associated risk factors. Materials and method. A descriptive prospective cohort study was carried out for one year in all newborns under 32 weeks or 1500 g at the Hospital Universitario de Santander, to determine the incidence of metabolic bone disease. In the selected patients, demographic data and prenatal history were established, later a measurement of serum alkaline phosphatase and serum phosphorus was performed at the third week of birth, having reference values for diagnosis <5.6mg/dl and alkaline phosphatase >500IU/ L. For the analysis of the information, statistical tools were applied such as average proportions, dispersion measures, distribution measures, association measures, and binomial regression. Results. A total of 58 patients were, of which 7 had a diagnosis of metabolic bone disease, with an incidence of 12%. The weight was reported as an independent variable for the development of the disease, being significant in children under 1160g, as well as prolonged parenteral nutrition >24 days. When performing the multivariate analysis, weight and time of parenteral nutrition are described as risk factors, but also maternal age below <22 years and birth weight under 1160g are characterized by having a higher relative risk than weight <1160g. Conclusion. The importance of early intervention in patients with metabolic bone disease-enhancing risk factors, such as weight and prolonged parenteral nutrition, is established to prevent severe complications.Introducci贸n. La enfermedad metab贸lica 贸sea del prematuro es una complicaci贸n poco com煤n, establecida por menor contenido mineral en el hueso. Objetivo. Establecer la incidencia de la enfermedad metab贸lica 贸sea en prematuros y factores de riesgo asociados. Materiales y m茅todos. Se realiz贸 un estudio de cohorte prospectivo descriptivo durante un a帽o a todos los reci茅n nacidos menores de 32 semanas o <1500 g en el Hospital Universitario de Santander. En los pacientes seleccionados se establecieron datos demogr谩ficos y antecedentes prenatales, posteriormente se realiz贸 una medici贸n de fosfatasa alcalina y f贸sforo s茅ricos a la tercera semana de nacimiento, con valores de referencia diagn贸stica < 5,6mg/dl y fosfatasa alcalina > 500UI/L. Para el an谩lisis de la informaci贸n se aplicaron herramientas estad铆sticas como proporciones de promedio, medidas de dispersi贸n, distribuci贸n, y asociaci贸n; y regresi贸n binomial. Resultados. Se obtuvieron un total de 58 pacientes, de los cuales 7 tuvieron diagn贸stico de enfermedad metab贸lica 贸sea, con una incidencia del 12%. De las variables estudiadas, el peso se report贸 como variable independiente para el desarrollo de la enfermedad, siendo significativa en menores de 1160g, igualmente la nutrici贸n parenteral prolongada >24 d铆as. Al realizar el an谩lisis multivariado se describen el peso y tiempo de nutrici贸n parenteral como factores de riesgo, adem谩s la edad materna <22 a帽os present贸 un riesgo relativo mayor, a comparaci贸n del peso <1160 g. Conclusi贸n. Se establece la importancia de intervenci贸n temprana de pacientes con factores de riesgo potenciadores de enfermedad metab贸lica 贸sea, como el peso y nutrici贸n parenteral prolongada mayor a 24 d铆as, con el fin de prevenir complicaciones severas
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