42例婴幼儿急性肾盂肾炎临床资料分析

目的探讨婴幼儿急性肾盂肾炎（APN）的临床特点。方法对2004年9月至2008年5月徐汇区中心医院住院确诊的42例婴幼儿APN的临床资料作回顾性分析。结果婴幼儿APN以〈1岁的小婴儿为主；不明原因的发热是最突出的起病方式；高热、外周血白细胞计数和C反应蛋白（CRP）水平增高是婴幼儿APN的高危因素；大肠埃希菌仍然是最常见的致病菌。结论婴幼儿APN的发病现状令人担忧；对婴幼儿不明原因的发热有必要常规开展影像学方面的检查；DMSA是诊断APN的金指标。

Analysis on clinical data of 42 cases of acute pyelonephritis in infants and young children

Objective Investigate clinical characteristics of acute pyelonephritis(APN)in infants and young children.MethodsRetrospective analysis on 42 cases of confirmed APN in infants and young children hospitalized in Xuhui District Central Hospital during September 2004 through May 2008 wore performed.Results APN of infants and young children are most often seen in those of less than one year of age.Fever of unknown origin is the most prominent pattern of onset,high fever,increased peripheral white blood cells and elevated level of C-reactive protein are risk factors for APN:E.Coil is still the most commonly seen pathogen.Conclusion The current prevalence of APN caused concern:routine imaging examiination should be performed for fever of unknown origin in infants and young children;DMSA is:gold criterion"for the diagnosis of APN.