Abstract

ObjectiveUrinary tract infection (UTI) is among the most common infection diseases in children with nephrotic syndrome (NS), resulting in treatment failure and relapse. No systematic reviews have estimated the prevalence of UTI in children with NS on a global scale, therefore, did the first systematic review and meta-analysis study to estimate the prevalence of UTI in children with NS in different geographical regions and different countries. MethodsPubMed, EMBASE, Scopus, Web of Science and Google Scholar databases were systematically searched up to 20 February 2019, for studies assessing the prevalence of UTI in children with NS. Pooled prevalence of UTI was calculated using the random effects model. Data were stratified based on WHO geographical regions and individual countries. Subgroup analysis regarding the gender and socio-demographic variables were also performed. ResultsThirty studies involving 6314 children with NS were included. The pooled prevalence of UTI was 21.6% (95%CI, 17.1–26.5%), with the highest prevalence in the African region (34.8%, 95%CI: 4.7–73.9%), and lowest prevalence in the region of the Americas (7.4%, 95% CI: 1.7–16.2%). With respect to countries, the lowest and highest prevalence rates were reported from USA (3.3%) and Indonesia (45.9%). In subgroup analyses, a higher prevalence was observed in females, and in countries with lower levels of income and human development index. The most common isolated bacteria were Escherichia coli (28%), and Klebsiella spp. (22.4%). ConclusionsThe high prevalence of UTI in children with NS reported in this study is a significant health threat for these patients. These results call for intervention strategies and preventive measures for children with NS to reduce the burden of UTI.

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