Diagnosis of Spontaneous Bacterial Peritonitis in Children by Reagent Strips
This study was aimed to evaluate the efficacy of dipstick tests (leukocyte esterase and nitrite) in diagnosis of spontaneous bacterial peritonitis (SBP) in cirrhotic patients. Forty six children with ascites hospitalized between 2009 and 2010 in Children Medical Center were enrolled in this study. Reagent strip assays for leukocyte esterase and nitrite were performed on ascetic fluid and the results were compared to manual cell counting and ascitic fluid culture. SBP was defined as having a polymorphonuclear ascites count of ≥ 250/mm3. Twenty children were female and twenty six were male with mean age of 3±3.9 years. The sensitivity specificity, positive and negative predictive values of the leukocyte esterase reagent strips were all 100%. The sensitivity, specificity, positive and negative predictive value of the nitrite reagent strip test were 100%, 97%, 90% and 100% respectively. Leukocyte esterase reagent strips may provide a rapid, bedside diagnostic test for the diagnosis of SBP.
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