
handle: 10481/27898
Objetivos: Evaluar el estado del hierro del organismo mediante estudios multiparamétricos combinando el receptor de transferrina soluble (RTfs) con Ferritina, hemoglobina, saturación de transferrina (%). Materiales y Métodos: Adultos Sanos (AS)(n=51) y Anémicos Ferroprivos (AF)(n=50). RTfs y Ferritina se determinaron por ELISA. Resultados: El intervalo de confianza de la media del RTfs IC95(μ) fue 15.5-18.1 nmol/L con un 95% de probabilidad en AS. En el grupo AF el mv y rango del RTfs fueron 66.3 nmol/L y 16.1-148.4 nmol/L, (α) 0.05, respectivamente, y el índice RTfs/F fue mayor (75.8) que en AS (nivel de significación 5%).El estudio de la relación RTfs/Hb (p<0.001), 71% (r2) y Ferritina/ Hb (p<0.001), 70 % (r2), mostró que para valores de Hb <120g/L, el RTfs es más sensible que la Ferritina. El índice RTfs/F (p<0,001), 72% (r2) mostró aumentos significativos para valores de Ferritinas <12μg/L. Conclusiones: Nuestros estudios confirman que el RTfs detecta con eficiencia diagnóstica cambios sensibles del hierro funcional. El uso combinado del RTfs con parámetros convencionales permite una rápida evaluación del estado del hierro.
Objetive: Multi-parameter studies combining serum Transferrin Receptor (sTfR) with Ferritin, hemoglobin, transferrin saturation percentage for an assessment of iron status. Materials and Methods.Subjects: Healthy Adults (HA)(n=51) and Iron-Deficient Anemic Patients (IDAP) (n=50). sTfR and Ferritin were measured by ELISA. Results: Mean confidence interval IC95(μ) showed that the mean value for sTfR was 15.5-18.1 nmol/L (95% probability) in HA group. In IDAP both the sTfR mv and range (66.3 nmol/ L, 16.1-148.4 nmol/L, (α) 0.05), and the sTfR/F Index (75.8) were greater than in HA (5% significance level). TfR/Hb (p<0.001), 71% (r2), and Ferritin/Hb (p<0.001), 70 % (r2), showed that for Hb <120g/ L, sTfR is more sensitive than Ferritin. sTfR/Ferritin (p<0.001), 72% (r2) showed significant sTfR increases for ferritins <12μg/L. Conclusion: Our studies confirm that the sTfR detects iron-sensitive changes with a diagnostic accuracy. The combined use of sTfR and conventional parameters allows for easier iron status assessment.
Ferritin, Ferritina, Iron deficiency anemia, Anemia ferropriva, Healthy subjects, Adultos sanos, Receptor de transferrina soluble, Soluble transferrin receptor
Ferritin, Ferritina, Iron deficiency anemia, Anemia ferropriva, Healthy subjects, Adultos sanos, Receptor de transferrina soluble, Soluble transferrin receptor
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