Rapid diagnosis of spontaneous bacterial peritonitis using leukocyte esterase reagent strips in Emergency Department: Uri-Quick Clini-10SG® vs. Multistix 10SG®
Journal Title: Annals of Hepatology - Year 2012, Vol 11, Issue 5
Abstract
Background and aim. Bacterial peritonitis (SBP) is the most frequent infection in patients with cirrhosis causing significant mortality. Delay in SBP diagnosis is a serious problem. The aim of this study was to evaluate the diagnostic yield of Uri-Quick Clini-10SG® vs. Multistix 10SG® reagent strips in an Emergency Department. Material and methods. A prospective study of consecutive patients with ascites and paracentesis attending to Emergency Department from March 2005 to February 2007 was made. SBP was defined by ≥ 250 neutrophiles /mm 3 . The ascites obtained at bedside was immediately tested in a dry testtube with both the Uri-Quick Clini 10SG® and MultistixSG10®. The Uri-Quick Clini 10SG® and Multistix SG10®. Strips were considered positive at grade ≥ 3 (≥125 leukocytes/mL). Results. A total of 223 ascitic fluid samples were obtained. There were 49 episodes of SBP. Median age was 54 (range 18-87 year) years;62.3% were female. The sensitivity, specificity, PPV, NPV, and 95% CI for Uri-Quick Clini 10SG® were 79.6 (64-87), 98.2 (94-99), 90.5 (78-96) and 93.9 (89-96), respectively. For MultistixSG10® the values were 77.5 (64-88), 97.7 (93-98), 90 (77.9-96.2), and 94 (89.4-96.6), respectively. Conclusion. The use of reagent strip is useful for SBP diagnosis in an emergency setting. The high PPV allow start antibiotic treatment. In areas without the resources to perform conventional ascites fluid analyses, these strips could be presently used.
Authors and Affiliations
Félix Téllez-Ávila, Norberto Chávez-Tapia, Ada Franco-Guzmán, Misael Uribe, Florencia Vargas-Vorackova
Keywords
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