Orphanet journal of rare diseases · 2014
Follow-up on pediatric patients with bronchiolitis obliterans treated with corticosteroid pulse therapy.
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Tomikawa Silvia Onoda, Adde Fabíola Villac, da Silva Filho Luiz Vicente Ribeiro Ferreira, Leone Claudio, Rodrigues Joaquim Carlos
Аннотация
BACKGROUND: Bronchiolitis obliterans (BO) is a rare but severe disease in children. Currently, there is no consensus on the treatment for BO with respect to the systemic use of corticosteroids. Here we report on the follow-up of children with a diagnosis of BO who were treated with corticosteroid pulse therapy.
METHODS: Forty patients fulfilling the BO diagnosis criteria were treated with methylprednisolone pulse therapy in monthly cycles until clinical improvement. After the pulse therapy began, we analyzed the clinical and laboratory data at intervals. Statistical analyses were performed using non-parametric tests to compare repeated measures (Friedman, Wilcoxon) or paired nominal data (McNemar) (α = 5%).
RESULTS: The frequency of wheezing exacerbations and hospitalizations was reduced (p = 0.0042 and p < 0.0001, respectively) and oxygen saturation improved (p = 0.0002) in the pulse therapy-treated patients. Prolonged oral corticosteroid therapy was discontinued in 83% of these patients. The mean Z-score length for age improved from -1.08 to -0.63, and the mean Z-score weight for age improved from -0.91 to -0.59. The adverse effects during the infusion were temporary and none were serious.
CONCLUSIONS: Our data suggest that pulse corticotherapy could be a safe alternative to prolonged systemic oral corticotherapy in children with BO, thus minimizing the adverse effects of the oral therapy. New prospective controlled studies are required to confirm this proposition.
METHODS: Forty patients fulfilling the BO diagnosis criteria were treated with methylprednisolone pulse therapy in monthly cycles until clinical improvement. After the pulse therapy began, we analyzed the clinical and laboratory data at intervals. Statistical analyses were performed using non-parametric tests to compare repeated measures (Friedman, Wilcoxon) or paired nominal data (McNemar) (α = 5%).
RESULTS: The frequency of wheezing exacerbations and hospitalizations was reduced (p = 0.0042 and p < 0.0001, respectively) and oxygen saturation improved (p = 0.0002) in the pulse therapy-treated patients. Prolonged oral corticosteroid therapy was discontinued in 83% of these patients. The mean Z-score length for age improved from -1.08 to -0.63, and the mean Z-score weight for age improved from -0.91 to -0.59. The adverse effects during the infusion were temporary and none were serious.
CONCLUSIONS: Our data suggest that pulse corticotherapy could be a safe alternative to prolonged systemic oral corticotherapy in children with BO, thus minimizing the adverse effects of the oral therapy. New prospective controlled studies are required to confirm this proposition.