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Diagnostic utility of absolute neutrophil count as a new marker of spontaneous bacterial peritonitis; multicenter study

Article scientifique 2022 Anglais

Résumé

Abstract Background. Spontaneous bacterial peritonitis (SBP) is a fatal complication of liver cirrhosis with high mortality rates. Objective: The aim of this study is to investigate the diagnostic utility of absolute neutrophil count (ANC) as a non-invasive marker for SBP diagnosis. Methods. Six hundred patients with cirrhotic ascites were included in the study. All patients underwent abdominal paracentesis and the ascitic fluid was processed for cell count and culture. Results. Absolute neutrophil count was significantly higher in SBP versus non-SBP and in culture positive SBP versus culture negative SBP. ANC at cutoff value > 2.804 has 84% sensitivity and 78% specificity for diagnosis of SBP with positive and negative predictive values (79.4% and 83.6 respectively). At a cut-off point > 5.6, ANC is capable of differentiating culture positive SBP from culture negative SBP cases with 62.07% sensitivity and 60.87 % specificity. Increased ANC, WBC, CRP, creatinine and decreased platelet emerged as independent risk factors for SBP development, while increased ANC, WBC and decreased platelets were independent predictors of culture positive SBP. Conclusion. This study demonstrates that, ANC count is simple, non-invasive diagnostic marker for SBP. Increased ANC, WBC, CRP, creatinine and decreased platelet emerged as independent risk factors for SBP development.

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Mousa, N., Abdelrazik, A., Sheta, T., Deiab, A., Taha, K., Mahmoud, R., Yassen, A., Habib, A., Amer, A., Mousa, E., El‐Wakeel, N., El-Sabbagh, A., AWAD, M., Diasty, M., Fathy, A., El-Emam, O., Abdelsalam, M., Elgamal, A., Elmahdi, E., Elhammady, D. (2022). Diagnostic utility of absolute neutrophil count as a new marker of spontaneous bacterial peritonitis; multicenter study. https://doi.org/10.21203/rs.3.rs-1331927/v1

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Nasser Mousa Ahmed Abdelrazik Tarek Fouad Sheta Ahmed Deiab Khaled Taha Rasha Mahmoud Ahmed Yassen Alaa Habib Amany Amer Eman Mousa Niveen El‐Wakeel Amr Mohamed El-Sabbagh M.D. ABDULLAH S. AYOUB TAHA A. AWAD Muhammad Diasty Aya Ahmed Fathy Ola El-Emam Mostafa Abdelsalam Ayman Elgamal Essam Elmahdi Dina Elhammady

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