目的 探讨儿童Dent病合并肾衰竭的病因及预后.方法 分析2014年1月至2016年12月收治的2例Dent病合并肾衰竭患儿的临床资料,并结合文献进行复习.结果 2例患儿均为男性,年龄分别为8、10岁;既往肾功能均正常,无肾脏钙化;肾衰竭发病前1周内均有上呼吸道病毒感染史.例1疾病急性期(10天)肾活检提示合并急性小管间质性肾炎,经激素治疗后肾功能完全恢复;例2病程6个月时肾活检提示合并亚急性小管间质性肾炎,经激素治疗后肾功能稍有改善但未恢复正常.结论 对于Dent病患儿发生急性肾衰竭,特别是有上呼吸道病毒感染等诱因者,应及早行肾活检,以除外合并急性间质性肾炎的可能,从而及时治疗、改善预后.%Objective To explore the etiology and prognosis of Dent disease combined with renal failure in children. Methods The clinical data of 2 children with Dent disease combined with renal failure from January 2014 to December 2016 were analyzed and the related literature was reviewed. Results Both of them were male, with the age of 8 and 10 years old respectively. Their renal functions were normal, and no renal calcification. Both of them had the history of upper respiratory tract virus infections within 1 week before the onset of renal failure. In case 1, acute phase (10 days) renal biopsy showed combined with acute tubulointerstitial nephritis, and his renal function recovered completely after glucocorticoids treatment. In case 2, renal biopsy at 6 months in course of disease showed the combined with subacute tubulointerstitial nephritis, and his renal function was improved partly after glucocorticoids treatment. Conclusions For children with Dent disease combined with acute renal failure, especially with upper respiratory tract virus infections and other inducement, renal biopsy should be early performed to exclude the possibility of acute tubulointerstitial nephritis, so that the treatment can be timely conducted and the prognosis can be improved.
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