JPEN. Journal of parenteral and enteral nutrition · 2023
Inflammation and micronutrient deficiency as major risk factors for anemia in children with intestinal failure: A longitudinal cohort study.
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Leite Heitor P, Hatanaka Eduardo F, Galati Sabio Giovana S, Carvalho de Camargo Maria F
Аннотация
BACKGROUND: Most data on anemia in children with intestinal failure (IF) have been obtained from studies in which the data were collected at a single point in time. We aimed to identify the frequency of anemia and factors associated with hemoglobin levels in children with IF during their course of home parenteral nutrition.
METHODS: We performed a longitudinal cohort study of patients with IF followed up at a pediatric intestinal rehabilitation center. Outcome variables were hemoglobin levels and prevalence of anemia during the follow-up period. The exposure variables were age, duration of parenteral nutrition, chronic disease, and serum concentrations of C-reactive protein, iron, copper, selenium, vitamins A, D, B12 , and folic acid.
RESULTS: Twenty-five children with a median time of receiving parenteral nutrition of 40.7 months were included. A median (and interquartile range) of 40.7 (25.2-58) hemoglobin measurements were performed per patient. Mean (SD) hemoglobin was 10.7 (1.8) g/dL at baseline and 11.6 (0.9) g/dL in the last observation (paired t test, P = 0.07); 32% of patients had mean hemoglobin values below the lower limit for age. In a multivariable predictive model, having C-reactive protein >1 mg/dL was associated with a decrease of 0.57 g/dL in hemoglobin (95% CI, -0.90 to -0.24, P = 0.01), and an increase of 1 mg/L in vitamin A concentration was associated with the increase of 0.93 g/dL in Hb level (95% CI, 0.24-1.61; P = 0.008).
CONCLUSION: Anemia affects almost one-third of children with IF and its frequency decreases during the follow-up period. Hemoglobin levels are associated with inflammatory response and serum micronutrient concentrations.
METHODS: We performed a longitudinal cohort study of patients with IF followed up at a pediatric intestinal rehabilitation center. Outcome variables were hemoglobin levels and prevalence of anemia during the follow-up period. The exposure variables were age, duration of parenteral nutrition, chronic disease, and serum concentrations of C-reactive protein, iron, copper, selenium, vitamins A, D, B12 , and folic acid.
RESULTS: Twenty-five children with a median time of receiving parenteral nutrition of 40.7 months were included. A median (and interquartile range) of 40.7 (25.2-58) hemoglobin measurements were performed per patient. Mean (SD) hemoglobin was 10.7 (1.8) g/dL at baseline and 11.6 (0.9) g/dL in the last observation (paired t test, P = 0.07); 32% of patients had mean hemoglobin values below the lower limit for age. In a multivariable predictive model, having C-reactive protein >1 mg/dL was associated with a decrease of 0.57 g/dL in hemoglobin (95% CI, -0.90 to -0.24, P = 0.01), and an increase of 1 mg/L in vitamin A concentration was associated with the increase of 0.93 g/dL in Hb level (95% CI, 0.24-1.61; P = 0.008).
CONCLUSION: Anemia affects almost one-third of children with IF and its frequency decreases during the follow-up period. Hemoglobin levels are associated with inflammatory response and serum micronutrient concentrations.